Technical Description

Transkript

Private Communication Systems
of the Siemens A1
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
1 (54)
CONTENTS
0 History of changes....................................................................................................3
1 General.......................................................................................................................4
2 Notes on safety for the user....................................................................................4
2.1 Electrical safety ........................................................................................................ 4
2.2 Aircraft safety ........................................................................................................... 4
2.3 Environments with explosive substances ..................................................................... 4
2.4 Safety on the road..................................................................................................... 4
2.5 Non-ionizing radiation ................................................................................................ 4
2.6 Electronics in medical equipment ............................................................................... 4
2.7 Precautions in the event of loss/theft of the Siemens A1 and the SIM card ..................... 4
3 General product description ...................................................................................5
4 System environment.................................................................................................6
5 Software interface.....................................................................................................7
5.1 Standard Hayes commands for controlling the Siemens A1........................................... 7
5.2 Result codes for normal data communication............................................................... 8
5.3 AT commands and responses according to GSM 07.07 and GSM 07.05 ........................ 9
5.4 AT cellular commands according to GSM 07.07........................................................... 9
5.4.1 Overview............................................................................................................. 9
5.4.2 Detailed descriptions of commands .................................................................... 10
5.5 AT commands according to GSM 07.05 for SMS ....................................................... 21
5.5.1 Overview........................................................................................................... 21
5.6 Self-defined commands for controlling the A1............................................................. 27
5.6.1 Overview........................................................................................................... 27
5.7 Summary of all unsolicited result codes .................................................................... 36
5.8 Summary of possible error codes per command......................................................... 36
6 Using the Siemens A1 in the test environment ..................................................40
7 Booting the software ..............................................................................................41
8 Power supply ...........................................................................................................41
8.1 Power supply, radio................................................................................................. 41
8.2 Power supply, logic ................................................................................................. 42
9 Hardware interfaces ...............................................................................................43
9.1 Overview................................................................................................................. 43
9.2 Connector 1 (20-pin AMP micro-match connector)...................................................... 43
9.3 Connector 2 (8-pin AMP micro-match connector) ....................................................... 45
9.4 GSM antenna ......................................................................................................... 46
10 EMC and ESD requirements................................................................................46
11 Environmental trials..............................................................................................46
12 CE conformity ........................................................................................................46
13 Acoustics ................................................................................................................47
13.1 Auxiliary handset................................................................................................... 47
13.1.1 Standard auxiliary handset ............................................................................... 47
13.1.2 Other auxiliary handsets .................................................................................. 48
13.2 Handsfree operation............................................................................................... 48
14 Diagnostics ............................................................................................................50
14.1 Diagnosis via the Siemens A1 software ................................................................... 50
14.2 Other diagnostics .................................................................................................. 50
15 Technical data .......................................................................................................51
15.1 Technical data of the Siemens A1........................................................................... 51
15.2 Design drawing for the A1....................................................................................... 53
15.3 Technical data, accessories ................................................................................... 54
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
2 (54)
0 History of changes
Date
12.12.1996
13.12.1996
09.01.1997
25.02.1997
14.03.1997
17.03.1997
15.05.1997
Version
51
52
53
54
55
01
02
Author/ID
Canbolant
Canbolant
Canbolant
Canbolant
Canbolant
Dellantoni
Schladofsky
18.06.1997
03
Karner
09.12.1997
04
Schwarz
16.01.1998
05
Protic
Description
Initial compilation
Inclusion of results of 1st internal review
Inclusion of results of internal review
Inclusion of results of external review
Inclusion of results of 2nd external review
Inclusion of results of final review
Inclusion of AT cellular commands, Modification of power
supply
Inclusion of AT^SCNI in table 5.6.1, new CME error codes,
corrections to ser. software interface, formal corrections
Formal corrections, various references to sections within the
document, additional AT+CNMI, AT^SMSO & AT^SNFV test
commands, new AT+CSCB command
Note inserted: Pull-down resistance at IGNITION. Section 13
“Acoustics” & AT^SNFS, AT^SNFA, AT^SNFC commands
revised. Remarks relating to AT^SLCK or AT+CPWD and
AT^SPWD inserted.
Software release 03 and higher: AT^SDLD new, AT^SRTC
revised.
“Important note” inserted below.
IMPORTANT note:
This edition of the Technical Description applies to series equipment
with hardware release 08 or higher and
software release 03 or higher.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
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Siemens A1
Page
3 (54)
1
General
This document describes the control functions, the power supply and the interfaces of the Siemens A1
and states the requirements for the base unit for operation of the A1. The list of AT commands
implemented at the serial interface, the options for external diagnosis and the notes on safety for users
the Siemens A1 are also part of this document, as is the technical data of the Siemens A1.
Important: Users of the Siemens A1 are expressly requested to begin by reading the
notes on safety in Section 2.
2 Notes on safety for the user
2.1 Electrical safety
This note is applicable to certain classes of mobile units connecting to power supply units or battery
chargers using voltages in excess of 50 V (effective mean) alternating current or 75 V direct current.
Consequently, it does not apply to the Siemens A1 (see Section 8).
2.2 Aircraft safety
Use of the Siemens A1 on-board aircraft is forbidden. Use of a radio telephone in an aircraft can
endanger navigation, interferes with the cellular network and is illegal. Failure to comply with this
prohibition may lead to temporary suspension or permanent cancellation of radio-telephone services for
the person who infringes this prohibition and/or to legal action against said person.
2.3 Environments with explosive substances
a)
b)
Users are advised not to use the device in automotive service stations.
Users are reminded of the necessity of complying with restrictions regarding the use of radio
devices in fuel depots, chemicals plants and locations where explosives are ignited.
2.4 Safety on the road
a)
When receiving calls on a public highway, mobile units should not use "warning" devices which
permit the vehicle’s horn to sound or the lights to flash.
b)
Drivers are advised not to use the handheld microphone or the telephone handset while their
vehicle is in motion, except in emergencies. Use the handsfree facility to speak only if it does
not divert your attention from the traffic.
2.5 Non-ionizing radiation
As is the case with other mobile radio transmitters, users should note that, for the sake of satisfactory
use of the devices and safety of the operating personnel, it is advisable to use the device only in the
normal operating position.
2.6 Electronics in medical equipment
Operation of radio transmitters, including radio telephones, can disrupt the operability of inadequately
protected medical equipment. Please address all questions to a doctor or the manufacturer of the
medical device.
2.7 Precautions in the event of loss/theft of the Siemens A1 and the SIM card
If your A1, your SIM card or both go missing, notify your network operator immediately in order to avoid
misuse.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
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4 (54)
3 General product description
The Siemens A1 is a Phase II GSM terminal for transmitting voice and SMS MO (Short Message Service
Mobile Originated) and SMS MT (Short Message Service Mobile Terminated). The services supported
are listed in the table below.
GSM services
TS 11
TS 21
TS 22
Name
Voice
SMS Mobile Originated
SMS Mobile Terminated
The Siemens A1 (A stands for "Automobile") features a single, fully shielded board with components
mounted on both sides. The electronics are grouped in the radio-part, power-module and logic
components. The board also has terminals for the power supply to radio and logic, the SIM card reader
and the antenna adapter, plus interfaces for remote control of the Siemens A1 by the base unit (e.g. car
radio or Integrated Driver Information System (IDIS)) and for the audio signals (microphone, loudspeaker).
Fig. 1 is a block diagram of the Siemens A1.
The interface for connecting the SIM card reader is an especially important feature. The SIM card reader
must afford the user external access and is therefore part of the base unit, instead of being integrated on
the Siemens A1 board.
Fig. 1:
Block diagram of the Siemens A1
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
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Siemens A1
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5 (54)
4 System environment
The Siemens A1 is designed for use in a system environment comprising a GSM mobile radio network
with one or more network operators per country. A corresponding infrastructure of a configuration level
suitable for the use of terminals with 2 watts transmitting power is a basic requirement.
The functional environment for the Siemens A1 is constituted by the base unit. This can be, for example,
a car radio, an IDIS or other telematic terminal which the GSM uses as a medium for transmitting voice
and short text messages (SMS). The precondition is that the base unit must implement master
functionality for controlling the Siemens A1 and must support the interfaces for Siemens A1 operation as
laid down in this Technical Description.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
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Siemens A1
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6 (54)
5 Software interface
The operating functions of the A1 are implemented in the base unit in which the A1 is integrated. The
corresponding functions are implemented in conformance to V.25ter, GSM 07.07 and GSM 07.05. AT+C
commands conforming to GSM 07.07 and GSM 07.05 and a number of manufacturer-specific AT
commands are available via the serial interface of the Siemens A1 for implementing the relevant
functions. These commands are described in detail below.
Command input is via the operating functions of the base unit. The base unit translates the operating
functions into AT commands and the Siemens A1 executes the requested action. Note the following:
Modem guideline V.25 ter applies to the time sequence of interface commands.
In accordance with this guideline, commands start with the string "AT" and end with "<CR>" (= 0x0D).
Commands are acknowledged with "OK" or "ERROR". A command currently being processed is
interrupted by each subsequent incoming character. Consequently, the next command must wait until
acknowledgment has been received as otherwise the current command will be canceled.
The commands supported are listed in the tables below.
5.1 Standard Hayes commands for controlling the Siemens A1
The standard Hayes commands correspond to the commands of AT Hayes-compatible modems.
Command
Function
A/
AT...
ATA
ATD<str>;
Reissues the last command given
Prefix for all other commands
Answers incoming call
Dials the string <str> with the voice service
Valid dial modifiers:
‘T’ (tone dialing), ‘P’ (dial pulsing) are ignored
The ";" character is important, because it tells the Siemens A1 to set up a call with
the voice service. If this character is omitted from the string, the device will attempt
to set up a data call which the A1 immediately acknowledges with "ERROR".
The following restriction applies to the dialing codes 0..9,*,#,+,A,B,defined
according to V.25ter:
According to GSM 04.08 and GSM 11.11, + and A are both represented by 0xC.
When entering a telephone number, + and A are accepted, and + is always used
as output.
It is possible to read and write phonebook entries using B (wild values) and C (shift
key) in the number part; however, dialing such an entry will result in an error
message as the values cannot be interpreted and as such are not allowed to be
transferred via the radio interface (GSM 11.11).
Dials the number from the current phonebook, location number <n> . The at+cpbs
command selects the phonebook.
Selects the telephone number from the phonebook <mem> , location number <n>
ATD>=<n>;
ATD><mem>
<n>;
ATDL
ATE0
ATE1
ATH
ATQ0
ATQ1
ATV0
ATV1
AT&F
AT&V
Redials last number
Disables echo of command input
Enables echo of command input
Places phone on hook (hang up)
Returns modem command result codes
Does not return modem command result codes
Returns numeric result codes
Returns text result codes
Loads factory defaults
Displays current configuration
Edition
05
File name: A1_TB05E
Date of issue
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12.12.1996
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5.2 Result codes for normal data communication
Response
OK
RING
NO CARRIER
ERROR
NO DIAL TONE
BUSY
Code
0
2
3
4
6
7
Edition
05
Meaning
Command executed, no errors
Ring detected
Link not established or disconnected
Invalid command or command line too long
No dial tone, dialing impossible, wrong mode
Remote station busy
File name: A1_TB05E
Date of issue
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5.3 AT commands and responses according to GSM 07.07 and GSM 07.05
Test command
AT+CXXX=?
The telephone returns the list of parameters and value
ranges set with the corresponding set command or by
internal processes.
Read command
AT+CXXX?
This command returns the currently set value of the
parameter or parameters
Set command
AT+CXXX=<...>
This command sets user-definable parameter values.
Execution command
AT+CXXX
The execution command reads non-variable parameters
affected by internal processes in the telephone.
5.4 AT cellular commands according to GSM 07.07
5.4.1 Overview
The GSM 07.07 commands are for remote control of the GSM functionalities of the Siemens A1,
including the phonebook functionalities.
Overview of GSM 07.07
commands
AT+CGMI
AT+CGMM
AT+CGMR
AT+CGSN
AT+CHUP
AT+CEER
AT+CREG
AT+COPS
AT+CLCK
AT+CPWD
AT+CLIP
AT+CCFC
AT+CHLD
AT+CPAS
AT+CPIN
AT+CSQ
AT+CPBS
AT+CPBR
AT+CPBW
AT+CMEE
AT+VTS
AT+VTD
AT+CAOC
AT+CSSN
Function
Request manufacturer identification
Request model identification
Request revision identification
Request product serial number identification (IMEI)
Hangup call
Extended error report
Network registration
Operator selection
Facility lock
Change password
Calling line identification presentation
Call forwarding number and conditions
Call hold and multiparty
Phone activity status
Enter PIN
Signal quality
Select phonebook memory storage
Read phonebook entries
Write phonebook entry
Report mobile equipment error (GSM 07.07)
DTMF and tone generation
Tone duration
Advice of Charge
Supplementary Service Notifications
Edition
05
File name: A1_TB05E
Date of issue
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12.12.1996
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5.4.2 Detailed descriptions of commands
AT+CGMI
Request manufacturer identification
Test command
Response
AT+CGMI=?
OK
Execution command
Response
AT+CGMI
+CGMI: <manufacturer>
Parameters
Name of manufacturer (SIEMENS)
<manufacturer>
AT+CGMM
Request model identification
Test command
Response
AT+CGMM=?
OK
Execution command
Response
AT+CGMM
+CGMM: <model>
Parameters
Name of telephone (A1)
<model>
AT+CGMR
Request revision identification
Test command
Response
AT+CGMR=?
OK
Execution command
Response
AT+CGMR
+CGMR: <revision>
Parameters
<revision>
Version of the telephone software
AT+CGSN
Request product serial number identification (IMEI)
Test command
Response
AT+CGSN=?
OK
Execution command
Response
AT+CGSN
+CGSN: <sn>
Parameters
IMEI of the telephone
<sn>
AT+CHUP
Hangup call
Test command
Response
AT+CHUP=?
OK
Execution command
Response
AT+CHUP
OK/ERROR
Description:
All active calls and held calls are hung up.
AT+CEER
Extended error report
Test command
Response
AT+CEER=?
OK
Execution command
Response
AT+CEER
+CEER: <report>
Parameters
<report>
Edition
05
Reason for last call release as number code
File name: A1_TB05E
Date of issue
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AT+CREG
Network registration
Test command
Response
AT+CREG=?
+CREG: (list of supported <n>s)
OK/ERROR/+CME ERROR
Parameters
0
1
<n>
Disable unsolicited network registration result codes
Enable unsolicited network registration result codes
Read command
Response
AT+CREG?
+CREG: <n>,<stat>[,<lac>,<ci>]
OK/ERROR/+CME ERROR
Parameters
<n>
<stat>
0
1
2
3
4
5
<lac>
<ci>
Set command
Parameters
AT+CREG=<n>
<n>
see test command
not registered, not currently searching
registered
not registered, currently searching for a network
registration denied
unknown
registered, roaming
string type 2 byte location area code in hexadecimal format
string type 2 byte cell ID in hexadecimal format
see test command (Section 5.3)
Response
OK/ERROR/+CME ERROR
Unsolicited result code
+CREG: <stat>
AT+COPS
Operator selection
Test command
Response
AT+COPS=?
+COPS: [list of supported (<stat>, long alphanumeric <oper>,, numeric
<oper>)s] [,,(list of supported <mode>s),(list of supported
<format>s)]
OK/ERROR/+CME ERROR
Parameters
<stat>
0
1
2
3
unknown
operator available
operator current
operator forbidden
operator in format as per <mode>
<oper>
<mode>
0
1
2
3
4
automatic mode
manual operator selection
deregister from network not implemented in Siemens A1
set format
automatic, manual selected
<format>
0
2
long format alphanumeric
numeric<oper>
Read command
Response
AT+COPS?
+COPS: <mode>[, <format>[, <oper>]]
OK/ERROR/+CME ERROR
Parameters
<mode>
<format>
<oper>
Edition
05
operator
File name: A1_TB05E
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Set command
Parameters
AT+COPS =
<mode>
[, <format>[,
<oper>]]
<mode>
<format>
if <mode> =1 then <format> can only be=2
in numeric form only
<oper>
Response
OK/ERROR/+CME ERROR
AT+CLCK
Facility lock
Change as per GSM 07.07 Version 5.1.0
Test command
Response
AT+CLCK=?
+CLCK: (list of supported <fac>s)
OK/ERROR/+CME ERROR
Parameters
"PS"
"SC"
"FD"
"AO"
"OI"
"OX"
Phone locked to SIM (phone code)
SIM card (PIN)
FDN lock
BAOC (Bar All Outgoing Calls)
BOIC (Bar Outgoing International Calls)
BOIC-exHC (Bar Outgoing International Calls except to Home
Country)
"AI" BAIC (Bar All Incoming Calls)
"IR" BIC-Roam (Bar Incoming Calls when Roaming outside the
home country)
"AB" All Barring services
"AG" All outGoing barring services
"AC" All inComing barring services
<fac>
Set command
Parameters
AT+CLCK =
<fac>, <mode>
[,<passwd>
[,<class>]]
<fac>
<mode>
0
1
2
<passwd>
<class>
1
2
4
7
unlock
lock
query status
password
voice
data
fax
all classes (default)
Response
If <mode>=2 and command is successful
+CLCK: <status>[,<class1>[<CR><LF>
+CLCK: <status>, class2....]]
Parameters
0
off
1
on
OK/ERROR/+CME ERROR
<status>
Edition
05
File name: A1_TB05E
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AT+CPWD
Change password
Test command
Response
AT+CPWD=?
+CPWD: list of supported (<fac>, <pwdlength>)s
OK/ERROR/+CME ERROR
Parameters
"P2" PIN2
see test command (Section 5.3) for AT+CLCK command,
without "FD"
<pwdlength>
Length of password
<fac>
otherwise
Set command
Parameters
AT+CPWD =
<fac>
see test command (Section 5.3) for AT+CLCK command
<fac>, <oldpwd>, <oldpwd>, <newpwd>
<newpwd>
old and new passwords
Response
OK/ERROR/+CME ERROR
AT+CLIP
Calling line identification presentation
Test command
Response
AT+CLIP=?
+CLIP: (list of supported <n>s)
OK/ERROR/+CME ERROR
Parameters
0
1
<n>
suppress unsolicited result codes
display unsolicited result codes
Read command
Response
AT+CLIP?
+CLIP: <n>, <m>
OK/ERROR/+CME ERROR
Parameters
<n>
<m>
Set command
Parameters
AT+CLIP=<n>
<n>
0
1
2
CLIP not provisioned
CLIP provisioned
unknown
see read command (Section 5.3)
Response
OK/ERROR/+CME ERROR
+CLIP: <number>, <type>
Edition
05
Caller’s telephone number
File name: A1_TB05E
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AT+CCFC
Call forwarding number and conditions
Test command
Response
AT+CCFC=?
+CCFC: (list of supported <reas>s)
OK/ERROR/+CME ERROR
Parameters
0
1
2
3
4
5
<reas>
Set command
Parameters
AT+CCFC = <reas>,
<mode>
[, <number> [, <type>
[,<class> [,.. <time>]]]]
<reas>
<mode>
unconditional
mobile busy
no reply
not reachable
all call forwarding (0-3)
all conditional call forwarding (1-3)
see test command
0
disable
1
enable
2
query status
3
registration
4
erasure
phone number
phone number format
1
voice
2
data
4
fax
7
all classes (default value)
1-30 time, rounded to a multiple of 5 sec.
<number>
<type>
<class>
<time>
Response
If <mode>=2 and command successful
+CCFC: <status>, <class1>[, <number>, <type>
[, <time>]][<CR><LF>+CCFC: ....]
OK/ERROR/+CME ERROR
Parameters
0
1
<status>
AT+CHLD
Call hold and multiparty
Test command
Response
AT+CHLD=?
OK/ERROR/+CME ERROR
Set command
Parameters
AT+CHLD=[<n>]
<n>
0
1
1X
2
2X
3
To terminate
not active
active
Terminate all held calls or UDUB (User Determined User Busy)
for a waiting call
Terminate all active calls (if any) and accept the other call
(waiting call or held call)
Terminate the active call number X (X= 1-7)
Place all active calls on hold (if any) and accept the other call
(waiting call or held call) as the active call
Place all active calls except call X (X= 1-7) on hold
Add the held call to the active calls
Terminate all calls except waiting call with "AT+CHUP"
Response
OK/ERROR/+CME ERROR
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AT+CPAS
Phone activity status
Test command
Response
AT+CPAS=?
+CPAS: (list of supported <pas>s)
OK/ERROR/+CME ERROR
Parameters
0
3
4
<pas>
ready
incoming call (ringing)
call in progress or call hold
Execution command
Response
AT+CPAS
+CPAS: <pas>
OK/ERROR/+CME ERROR
Parameters
<pas>
OK/ERROR/+CME ERROR
AT+CPIN
Enter PIN
Test command
Response
AT+CPIN=?
OK
Read command
Response
AT+CPIN?
+CPIN: <code>
OK/ERROR/+CME ERROR
Parameters
<code>
READY
SIM PIN
SIM PUK
PH_SIM PIN
PH_SIM PUK
SIM PIN2
SIM PUK2
no further entry needed
ME is waiting for SIM PIN
ME is waiting for SIM PUK
ME is waiting for phone to SIM card (antitheft)
ME is waiting for SIM PUK (antitheft)
PIN2, e.g. for editing the FDN book
possible only if preceding command was acknowledged with
+CME ERROR:17
possible only if preceding command was acknowledged with
error +CME ERROR:18
The requested error message can (must) be provoked by a failed set
command.
Set command
Parameters
AT+CPIN=<pin>
[, <new pin>]
<pin>
<new pin>
password for the lock; if the lock is a PUK, a <new pin> is
necessary
new password for the lock
Response
OK/ERROR/+CME ERROR
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05
File name: A1_TB05E
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AT+CSQ
Signal quality
Test command
Response
AT+CSQ=?
+CSQ: (list of supported <rssi>s), list of supported <ber>)
OK/ERROR/+CME ERROR
Parameters
<rssi>
0
1
2...30
31
99
<ber>
receive level:
-113 dBm or less
-111 dBm
-109... -53 dBm
-51 dBm or greater
not known
Bit error rate:
0...7 as RXQUAL values in the table in GSM 05.08 section 8.2.4
99
not known
Execution command
Response
AT+CSQ
+CSQ: <rssi>, <ber>
OK/ERROR/+CME ERROR
Parameters
<rssi>
<ber>
AT+CPBS
Select phonebook memory storage
Test command
Response
AT+CPBS=?
+CPBS: (list of supported <sto>s)
OK/ERROR/+CME ERROR
Parameters
<sto>
"FD"
"SM"
"MD"
"OW"
"LD"
SIM fixdialing phonebook
SIM phonebook
Redial memory in phone
Own numbers
SIM last dialing number
Read command
Response
AT+CPBS?
+CPBS: <sto>
OK/ERROR/+CME ERROR
Parameters
<sto>
Set command
Parameters
AT+CPBS=<sto> <sto>
Response
OK/ERROR/+CME ERROR
Edition
05
File name: A1_TB05E
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AT+CPBR
Read phonebook entries
Test command
Response
AT+CPBR=?
+CPBR: (list of supported <index>s), <nlength>, <tlength>
OK/ERROR/+CME ERROR
Parameters
<index>
<nlength>
<tlength>
location number
max. length of phone number
max. length of text for number
Set command
Response
AT+CPBR =
<index1>
[, <index2>]
+CPBR: <index1>, <number>, <type>, <text>[<CR><LF>
+CPBR: .....
+CPBR: <index2>, <number>, <type>, <text>
OK/ERROR/+CME ERROR
Parameters
<index1>
<index2>
<number>
<type>
<text>
read as of this location number
read to this location number
phone number
type of number
text for phone number
AT+CPBW
Write phonebook entry
Test command
Response
AT+CPBW=?
+CPBW: (list of supported <index>s), <nlength>, (list of supported
<typ>s), <tlength>
OK/ERROR/+CME ERROR
Parameters
<index>
<nlength>
<tlength>
Set command
Parameters
AT+CPBW =
[<index>],
[<number>,
[<type>,
[<text>]]]
<index>
<number>
<type>
<text>
WARNING:
GSM
'Ö'
' "'
'ò'
Please Note:
“@”
location number
max. length of phone number
max. length of text for number
write entry to this location number
phone number
type of number
text for phone number
The following characters in <text> must be entered via the
escape sequence. The escape characters correspond to
V.25ter’s ‘\’=0x5C.
escape sequence (hex)
5C 35 43
('\' in ASCII and Windows alphabet)
5C 32 32
(string delimiter in V.25ter)
5C 30 38
(backspace in ASCII and Windows alphabet)
‘@’ (= 0x00 in GSM) may cause problems on application level
when using the function strlen() and should thus be
represented by an escape sequence when necessary
5C 30 30
Response
OK/ERROR/+CME ERROR
Edition
05
File name: A1_TB05E
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AT+CMEE
Report mobile equipment error (GSM 07.07)
Test command
Response
AT+CMEE=?
+CMEE: (list of supported <n>s)
Parameters
0
1
2
<n>
Read command
Response
AT+CMEE?
+CMEE: <n>
disable result code
enable result code and use numeric values
enable result code and use verbose values
Parameters
<n>
Set command
Parameters
AT+CMEE=<n>
<n>
Response
OK/ERROR/+CME ERROR
Description:
The following CME errors are possible:
0
"PHONE FAILURE";
1
"NO CONNECTION TO PHONE "
2
"PH-TA LINK RESERVED "
3
" OPERATION NOT ALLOWED"
4
"OPERATION NOT SUPPORT"
5
"PH-SIM PIN REQUIRED "
10
"SIM NOT INSERTED"
11
"SIM PIN REQUIRED"
12
"SIM PUK REQUIRED"
13
"SIM FAILURE"
14
"SIM BUSY"
15
"SIM WRONG"
16
"INCORRECT PASSWORD "
20
"MEMORY FULL"
21
"INVALID INDEX"
22
"NOT FOUND"
23
"MEMORY FAILURE"
24
"TEXT TOO LONG"
25
"INV CHAR IN TEXT"
26
"DIAL STRING TOO LONG"
27
"INV CHAR IN DIAL"
30
"NO NETWORK SERV."
31
"NETWORK TIMEOUT."
100
"UNKNOWN"
512
513
514
515
CALL BARRED BY BLACKLIST
PHONE LINK RESERVED
INVALID DIAL STRING
PHONE BUSY
550
551
552
553
554
555
556
PH-SIM PUK REQUIRED
NTF-SIM PIN REQIRED
NTF-SIM PUK REQIRED
PH-NET PIN REQIRED
PH-NET PUK REQIRED
PH-SP PIN REQIRED
PH-SP PUK REQIRED
The following CMS errors are defined for SMS:
300
ME FAILURE
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05
File name: A1_TB05E
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301
302
303
304
305
310
311
312
313
314
315
320
321
322
330
331
332
340
500
SMS SERVICE OF ME RESERVED
OPERATION NOT ALLOWED
OPERATION NOT SUPPORTED
INVALID PDU PARAMETER
INVALID TEXT MODE
SIM NOT INSERTED
SIM PIN NECESSARY
PH-SIM PIN NECESSARY
SIM FAILURE
SIM BUSY
SIM WRONG
MEMORY FAILURE
INVALID MEMORY INDEX
MEMORY FULL
SMSC ADDRESS UNKNOWN
NO NETWORK SERVICE
NETWORK TIMEOUT
NO + CNMA ACK EXPECTED
UNKNOWN ERROR
DTMF tone handling
AT+VTS
DTMF and tone generation
Test command
Response
AT+VTS=?
+VTS: <dtmf>, <duration>
OK/ERROR/+CME ERROR
Parameters
<dtmf>
<duration>
Set command
0-9,#,*, one and only one character
duration of the tone in duration/10 seconds
Parameters
AT+VTS =
<dtmf>
<dtmf>
[,<duration>]
<dtmf-string>
or
AT+VTS = <dtmf- Response
OK/ERROR/+CME
string>
one character from the list, see test command (Section
5.3)<duration>
max. 29 characters in "", then no duration can be entered
ERROR
AT+VTD
Tone duration
Test command
Response
AT+VTD=?
+VTD: <duration>
OK/ERROR/+CME ERROR
Parameters
<duration>
Set command
Parameters
AT+VTD =
<duration>
<duration>
1-255
duration of the tone in duration/10 seconds
See test command (Section 5.3)
Response
OK/ERROR
AT+CAOC
Advice of Charge
Test command
Response
AT+CAOC=?
OK
Execution command
Response
AT+CAOC
+CAOC: <ccm>
OK/ERROR/+CME ERROR
Parameter
<ccm>
current call meter value in hexadecimal format; value in home
Edition
05
File name: A1_TB05E
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units; same codeing used as for ACMmax value in the SIM
AT+CSSN
Supplementary Service Notifications
Changes conforming to GSM 07.07 Version 5.0.0
Test command
Response
AT+CSSN=?
+CSSN: (list of supported <n>s), (list of supported <m>s)
Parameter
0
1
0
1
<n>
<m>
disable +CSSI result code presentation
enable +CSSI result code presentation
disable +CSSU result code presentation
enable +CSSU result code presentation
For supported +CSSI/+CSSU-result codes see 5.7
Read command
Response
AT+CSSN?
+CSSN: <n>,<m>
Parameter
<n>
<m>
Set command
Parameter
AT+CSSN=<n>[,
<m>]
<n>
<m>
Unsolicited result codes
+CSSI: <code1>
+CSSU: <code2>
Parameter
<code1>
<code2>
Intermediate result code
3
call is waiting
5
call on hold has been released
Edition
05
File name: A1_TB05E
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5.5 AT commands according to GSM 07.05 for SMS
The GSM 07.05 commands are for using the SMS functionalities of the GSM A1. The A1 supports the
SMS PDU mode.
5.5.1 Overview
Overview of 07.05 commands
AT+CSMS
AT+CPMS
AT+CMGF
AT+CSCA
AT+CNMI
AT+CSCB
AT+CNMA
Function
Select message service
Preferred message storage
Message format
Service center address
New message indications
Select cell broadcast messages
Acknowledge a directly issued short message (without storing
on chip card)
List messages
Read message
Send message
Send message from storage
Write message to memory
Delete message
AT+CMGL
AT+CMGR
AT+CMGS
AT+CMSS
AT+CMGW
AT+CMGD
AT+CSMS
Select message service
Test command
Response
AT+CSMS=?
+CSMS: (list of supported <service>s)
Parameters
<service> 0
1
GSM 3.40 and 3.41
GSM 3.40 and 3.41 and compatibility of the AT command
syntax to phase 2+
IMPORTANT: Deactivation of phase 2+ compatibility is possible only if direct
output of short messages +CNMI=2,2 or +CNMI=2,3 is activated.
Deactivate the latter first, if applicable.
Read command
Response
AT+CSMS?
+CSMS: <service>,<mt>,<mo>,<bm>
Parameters
<service> 0
1
<mt>
1
<mo>
1
<bm>
0
Set command
Parameters
AT+CSMS=
<service>
<service> 0
Mobile Terminated Messages
Type supported
Mobile Originated Messages
Type supported
Broadcast Type Messages
Type not supported
GSM 3.40 and 3.41
Response
+CSMS: <mt>,<mo>,<bm>
OK/ERROR/+CMS ERROR
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05
File name: A1_TB05E
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AT+CPMS
Preferred message storage
Test command
Response
AT+CPMS=?
+CPMS: (list of supported <mem1>s),(list of supported <mem2>s) ,(list of
supported <mem3>s)
Parameters
Messages to be read and deleted from this memory storage
"SM" SIM message storage
Messages will be written and sent to this memory storage
Received messages will be placed in this memory storage if
routing to PC is not set ("+CNMI")
<mem1>
<mem2>
<mem3>
Read command
Response
AT+CPMS?
+CPMS: <mem1>,<used1>,<total1>,<mem2>,<used2>,<total2>,
<mem3>,<used3>,<total3>
Parameters
Messages will be read and deleted from this memory storage
Number of messages currently in <memx>
Number of messages storable in <memx>
<memx>
<usedx>
<totalx>
Set command
Parameters
AT+CPMS =
<mem1>
[,<mem2>
[,<mem3>]]
<mem1>
<mem2>
<mem3>
Response
+CPMS: <used1>,<total1>,<used2>,<total2>,<used3>,<total3>
OK/ERROR/+CMS ERROR
AT+CMGF
Message format
Test command
Response
AT+CMGF=?
+CMGF: (list of supported <mode>s)
Parameters
<mode>:
0
Read command
Response
AT+CMGF?
+CMGF: <mode>
PDU mode
Parameters
<mode>:
Set command
Parameters
AT+CMGF =
[<mode>]
<mode>:
0
PDU mode
0
PDU mode
Response
OK/ERROR
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AT+CSCA
Service center address
Test command
Response
AT+CSCA=?
OK
Read command
Response
AT+CSCA?
+CSCA: <sca>,<tosca>
Parameters
Service center address in string format
Service center address format
<sca>
<tosca>
Set command
Parameters
AT+CSCA =
<sca>[,<tosca>]
<sca>
<tosca>
Service center address in string format
Service center address format
Response
OK/ERROR
AT+CNMI
New message indications
Test command
Response
AT+CNMI=?
+CNMI: (list of supported <mode>s),(list of supported <mt>s),(list of supported
<bm>s),(list of supported <ds>s),(list of supported <bfr>s)
Parameters
<mode>
<mt>
0
Buffer unsolicited result codes (but corresponds to discard,
see <bfr>)
2
Buffer unsolicited result codes if serial interface is busy,
otherwise output result codes
0
Suppress unsolicited result codes for incoming short
messages
1
Unsolicited result codes of a received short message stored on
chip card (SMS-DELIVER)
are output in the form
+CMTI: <mem>,<index>
2
Unsolicited result codes of a received short message
(SMS-DELIVER) (except class 2 and Message Waiting
Indication Group: store message) are output in the form
+CMT: [<alpha>],<length><CR><LF><pdu>
(<alpha> not supported) class 2 and Message Waiting
Indication Group: store message are output in the same form
as <mt>=1
3
Unsolicited result codes of a received short message
(SMS-DELIVER) class 3 are output in the same form
as <mt>=2; messages with other data coding schemes are
output in the same way as <mt>=1
IMPORTANT: <mt>=2 and <mt>=3 possible only if phase 2+
compatibility is activated with +CSMS=1.
<bm>
0
Suppress unsolicited result codes for incoming cell broadcast
messages
2
Output unsolicited result codes for cell broadcast messages in
the form +CBM: <length><CR><LF><pdu>
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<ds>
0
Suppress unsolicited result codes for incoming SMS status
reports
<bfr>
1
Discard buffered unsolicited result codes on change from mode
<mode> 0 to <mode>2
<mem>
see +CPMS
<index>
index of the record of the chip card
<alpha>
alphanumeric representation of the sender address
<length>
length of <pdu>
<pdu>
see +CMGL
Read command
Response
AT+CNMI?
+CNMI: <mode>,<mt>,<bm>,<ds>,<bfr>
Parameters
<mode>
<mt>
<bm>
<ds>
<bfr>
Set command
Parameters
AT+CNMI =
[<mode>
[,<mt>[,<bm>
[,<ds>[,<bfr>]]]]]
<mode>
<mt>
<bm>
<ds>
<bfr>
see
see
see
see
see
test
test
test
test
test
command
command
command
command
command
(Section
(Section
(Section
(Section
(Section
5.3)
5.3)
5.3)
5.3)
5.3)
Response
OK/ERROR/+CMS ERROR
+CMTI: <mem>,<index>
+CMT: ,<length><CR><LF><pdu>
+CBM: <length><CR><LF><pdu>
AT+CSCB
Select cell broadcast messages
Test command
Response
AT+CSCB=?
+CSCB: (list of supported <mode>s)
Indication that new message has
been received
Short message is output directly
Cell broadcast message is output
directly
Parameters
<mode>
0
1
Messages defined in <mds> and <dcss> are accepted.
Messages defined in <mds> and <dcss> are not accepted.
Read command
Response
AT+CSCB?
+CSCB: <mode>,<mids>,<dcss>
Parameters
<mode>
<mids>
<dcss>
String type; combination of CBM message IDs
String type; combinations of CBM data coding schemes
Set command
AT+CSCB=
[<mode>[,mids>[,
<dcss>]]]
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05
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Acknowledge a directly issued short message (without storing on chip card)
AT+CNMA
IMPORTANT: This command is possible only if phase 2+ compatibility is
activated by means of +CSMS=1.
Test command
Response
AT+CNMA=?
+CNMA: (list of supported <n>s)
Parameters
0
<n>
Set command
Function analogous to GSM 07.05 text mode
Parameters
AT+CNMA[=<n>] <n>
Response
OK/ERROR/+CMS ERROR: <err>
AT+CMGL
List messages
Test command
Response
AT+CMGL=?
+CMGL: (list of supported <stat>s)
Parameters
<stat>
0
1
2
3
4
Set command
Parameters
AT+CMGL
[=<stat>]
<stat>
"REC UNREAD"
"REC READ"
"STO UNSENT"
"STO SENT"
"ALL"
Received unread messages (default)
Received read messages
Stored unsent messages
Stored sent messages
All messages
Response
if PDU mode (+CMGF=0) and command successful:
+CMGL: <index>,<stat>,[<alpha>],<length><CR><LF><pdu>
[<CR><LF>+CMGL: <index>,<stat>,[alpha],<length><CR><LF><pdu>
[...]]
<pdu>
The PDU starts with the service center address (as per GSM
04.11) followed by the TPDU as per GSM 03.40 in
hexadecimal format
otherwise:
+CMS ERROR: <err>
AT+CMGR
Read message
Test command
Response
AT+CMGR=?
OK
Set command
Parameters
AT+CMGR =
<index>
<index>
Index of message in selected storage <mem1>
Response
+CMGR: <stat>,[<alpha>],<length><CR><LF><pdu>
<pdu>
See "AT+CMGL"
otherwise:
+CMS ERROR: <err>
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AT+CMGS
Send message
Test command
Response
AT+CMGS=?
OK
Set command
Parameters
if PDU mode (+CMGF=0)
+CMGS=<length><CR>PDU is given
<ctrl-Z/ESC>
<length>
<pdu>
<mr>
Length of the PDU
See "AT+CMGL"
Message reference
Response
if sending successful:
+CMGS: <mr>
if sending fails:
+CMS ERROR: <err>
AT+CMSS
Send message from storage
Test command
Response
AT+CMSS=?
OK
Set command
Parameters
+CMSS=<index>[,<da>[,<toda>]]
<index>
<toda>
Index of message in selected
storage <mem1>
Destination address in string
format
Destination address format
<mr>
Message reference
<da>
Response
if sending successful:
+CMSS: <mr>
if sending fails:
+CMS ERROR: <err>
AT+CMGW
Write message to memory
Test command
Response
AT+CMGW=?
OK
Set command
Parameters
if PDU mode (+CMGF=0)
AT+CMGW=<length>[,<stat>]<CR>PDU is
given
<ctrl-Z/ESC>
<length>
<stat>
<pdu>
<index>
Length of the PDU
See command +CMGL
See "AT+CMGL"
Index of message in selected
storage <mem1>
Response
+CMGW: <index>
+CMS ERROR: <err>
AT+CMGD
Delete message
Test command
Response
At+CMGD=?
OK
Set command
Parameters
AT+CMGD =
<index>
<index>
Index of message in selected storage <mem1>
Response
OK/ERROR/+CMS ERROR
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5.6 Self-defined commands for controlling the A1
Self-defined commands do not have to be implemented in accordance with the official syntax, so the
"+C" string is replaced with "^S" ("^" = 0x5E). If, in future, a self-defined command in the same syntax is
to be included in the GSM recommendations, the command can then be addressed with both command
strings.
5.6.1 Overview
Overview of self-defined
commands
AT^SMSO
AT^SLCK
AT^SPWD
AT^SPLM
AT^SPLR
AT^SPLW
AT^SNFV
AT^SNFM
AT^SNFS
AT^SNFA
AT^SNFC
AT^SCTM
AT^SRTC
AT^SCID
AT^SPIC
AT^SCKS
AT^SMGO
AT^SMGL
AT^SACM
AT^SCNI
AT^SDLD
Function
Switch off
Activate/deactivate locks (including self-defined locks)
Change password for a lock (including self-defined locks)
Read the PLMN list
Read an entry from the preferred operator list
Write an entry to the preferred operator list
Set volume
Mute microphon
Select RF hardware
Microphone attenuation
Set maximum echo attenuation (AGC-Limit)
Message concerning the critical operating temperature
Select ringing tone
Display card ID
Display PIN counter
Display SIM card status
Display SMS overflow
List SMS (without changing status from unread to read)
Display ACM and ACMmax
Display Call Number Information
Delete redial phonebook
AT^SMSO
Switch off
Test command
Response
AT^SMSO=?
OK
Execution command
Response
AT^SMSO
^SMSO: MS OFF
OK
Device switches off immediately (max. deactivation time 1500 ms)
ANT_EXT signal of connector 1 set to low = device is switched off
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Commands for activating and deactivating locks
AT^SLCK
Activate/deactivate locks (including self-defined locks)
Test command
Response
AT^SLCK=?
^SLCK: (list of supported <fac>s)
OK/ERROR/+CME ERROR
Parameters
"PS"
"SC"
"FD"
"AO"
"OI"
"OX"
Phone locked to SIM (phone code)
SIM Card (PIN)
FDN Lock
BAOC (Bar All Outgoing Calls)
BOIC (Bar Outgoing International Calls)
BOIC-exHC (Bar Outgoing International Calls except to Home
Country)
"AI" BAIC (Bar All Incoming Calls)
"IR" BIC-Roam (Bar Incoming Calls when Roaming outside the
home country)
"AB" All Barring services
"AG" All outGoing barring services
"AC" All inComing barring services
<fac>
"PN"
"PC"
"PU"
"PP"
"PF"
Set command
Parameters
AT^SLCK =
<fac>, <mode>
[,<passwd>
[,<class>]]
<fac>
<mode>
0
1
2
<passwd>
<class>
1
2
4
7
Network Personalisation (GSM 02.22)
Corporate Personalisation (GSM 02.22)
Network Subset Personalisation (GSM 02.22)
Service Provider Personalisation (GSM 02.22)
Phone locked to very first inserted SIM
disable lock
enable lock
query lock status
password
voice
data
fax
all classes (default)
Response
If <mode>=2 and command successful
^SLCK: <status>[,<class1>[<CR><LF>
^SLCK: <status>, class2....]]
Parameters
0
off
1
on
OK/ERROR/+CME ERROR
<status>
Note regarding AT+CPWD or AT^SPWD (see next page):
If a phone code (e.g. PS, PN, PC, etc.) has not yet been set, it will be set for the first time with
AT+CPWD=<fac>, ,<newpwd>
or
AT^SPWD=<fac>, ,<newpwd>.
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AT^SPWD
Change password for a lock (including self-defined locks)
Test command
Response
AT^SPWD=?
^SPWD: list of supported (<fac>, <pwdlength>)s
OK/ERROR/+CME ERROR
Parameters
"P2" PIN2
See test command (Section 5.3) for command AT^SLCK
without "FD"
<pwdlength>
Length of password
<fac>
otherwise
Set command
Parameters
AT^SPWD =
<fac>
See test command (Section 5.3) for command AT^SLCK
<fac>, <oldpwd>, <oldpwd>, <newpwd>
<newpwd>
Old and new passwords
Response
OK/ERROR/+CME ERROR
Commands for editing the PLMN list
AT^SPLM
Read the PLMN list
Test command
Response
AT^SPLM=?
OK
Execution command
Response
AT^SPLM
^SPLM: numeric <oper>,long alphanumeric <oper><CR><LF>
^SPLM:.....
OK/ERROR/+CME ERROR
Parameters
<oper>
Operator in numeric and alphanumeric format
AT^SPLR
Read an entry from the preferred operator list
Test command
Response
AT^SPLR=?
^SPLR: (list of supported <index>s)
OK/ERROR/+CME ERROR
Parameters
<index>
Set command
Location numbers
Response
AT^SPLR=<index1>[ ^SPLR: <index1>, numeric <oper>
, <index2>]
^SPLR: .....
^SPLR: <index2>, numeric <oper>
OK/ERROR/+CME ERROR
Parameters
<index1>
<index2>
<oper>
Read from this location number
Read to this location number
Operator in numeric format
AT^SPLW
Write an entry to the preferred operator list
Test command
Response
AT^SPLW=?
^SPLW: (list of supported <index>s)
OK/ERROR/+CME ERROR
Parameters
<index>
Set command
Location number
Parameters
AT^SPLW = <index> <index>
[, <oper>]
<oper>
Write entry to this location number
Operator in numeric format
Response
OK/ERROR/+CME ERROR
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
29 (54)
Additional commands for controlling voice functions
AT^SNFV
Set volume
Test command
Response
AT^SNFV=?
^SNFV: (list of supported <vol>s)
Parameters
Volume range (0 to 4)
(0 low, ..., 4 max. volume; approx. 3 dB/stage)
<vol>
Read command
Response
AT^SNFV?
^SNFV: <vol>
Parameters
<vol>
Set command
Parameters
AT^SNFV=<vol>
<vol>
Response
OK/ERROR
IMPORTANT : Can be used with (AT^SNFS=3) audio mode 3 only!
AT^SNFM
Mute microphone
Test command
Response
AT^SNFM=?
^SNFM: (list of supported <mute>s)
Parameters
<mute>
0
1
Read command
Response
AT^SNFM?
+CNFM: <mute>
Mute microphone
Microphone on
Parameters
<mute>
Set command
Parameters
AT^SNFM=<mute>
<mute>
Response
OK/ERROR
AT^SNFS
Select RF hardware
Test command
Response
AT^SNFS=?
^SNFS: (list of supported <dev>s)
Parameters
0
1
2
3
4
<dev>
Audio mode 0 (reserved)
Audio mode 1 (handset mode)
Audio mode 2 (handsfree mode)
Audio mode 3 (handset mode)
Audio mode 4 (reserved)
See “Acoustics” (Section 13)
Read command
Response
AT^SNFS?
^SNFS: <dev>
Parameters
<dev>
Set command
Parameters
AT^SNFS=<dev>
<dev>
Response
OK/ERROR
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
30 (54)
AT^SNFA
Microphone attenuation (A for attenuation or amplification)
Note: The microphone attenuation set implicitly by AT^SNFV can not be
changed by AT^SNFA, because AT^SNFV and AT^SNFA use different scaling
factors.
Test command
Response:
AT^SNFA=?
^SNFA: (list of supported <atten>s)
Parameters
<atten>
( 0 - 0x7FFF )
Read command
Response
AT^SNFA?
^SNFA: <atten>
Parameters
<atten>
0x0000 - 0x7FFF
Default value: 0x4000
Set command
Parameters
AT^SNFA=<atten>
<atten>
0 - 32767 or 0x0 - 0xFFF
Scaling microphone signal with factor a = <atten> / 32768
Scaling in dB = 20*log(<atten> / 16384):
<atten> = 16384 ===> 0 dB
<atten> = 8192 ===> -6 dB
<atten> = 32767 ===> +6 dB
<atten> =
0 ===> Microphone off
Response
OK/ERROR
AT^SNFC
Set maximum echo attenuation (AGC-Limit)
Test command
Response
AT^SNFC=?
^SNFC: (list of supported <limit>s)
Parameter
<limit>
( 0 - 0x7F )
Read command
Response
AT^SNFC?
^SNFC: <limit>
Parameter
0x01 - 0x7F
Default value: 0x50
<limit>
Set command
Parameter
AT^SNFC=<limit>
<limit>
0 or 0x00
Set to default value: 0x50
1-127 or 0x01-0x7F
Set to coresponding number
Response
OK/ERROR
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
31 (54)
Handling at the critical operating temperature
AT^SCTM
Message concerning the critical operating temperature
Important: The device switches off even if <n> is 0 and user is not informed.
Test command
Response
AT^SCTM=?
^SCTM: (list of supported <n>s)
Parameters
0
1
<n>
Suppress unsolicited result codes
Output unsolicited result codes
Read command
Response
AT^SCTM?
^SCTM: <n>, <m>
Parameters
0
1
<m>
Below critical temperature
Above critical temperature (message issued at ambient
temperature Te > 78°C)
Device switched off (this message is issued at Te > 83°C),
telephone immediately deregisters.
2
Set command
Parameters
AT^SCTM=<n>
<n>
Response
OK/ERROR
^SCTM: <m>
See read command (Section 5.3)
Handling the ringing tone
AT^SRTC
Select ringing tone
Test command
Response
AT^SRTC=?
^SRTC:(list of supported <type>s),(list of supported vol>s)
Parameters
<type>
0-5
0
Number of ringing tone
Mute ringing tone, MTC means no ringing tone, volume is
ignored
Below are the ringing tones defined as sequences consisting in
some cases of several frequencies and pauses <freq, time>:
1
Sequence 1 :
< <1900, 132>,
<TON_PAUSE,32>,
<TON_REPEV,0> repeat for ever
>
2
Sequence 2: < <1000, 21>,
<740, 21>,
<620, 21>,
<740, 21>,
<1000, 21>,
<TON_PAUSE,216>,
<TON_REPEV,0>
>
3
Sequence 3: < <860, 8>,
<1000, 8>,
<TON_REPON,7>, repeat 7 times, go on
<TON_PAUSE,216>, pause
<TON_REPEV,0>
>
4
Sequence 4: < <1000, 8>,
<1300, 8>,
<TON_REPON,7>,
<TON_PAUSE,86>,
<TON_REPEV,0>
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
32 (54)
>
Sequence 5: < <2240, 20>,
<2400, 20>,
<2560, 20>,
<2480, 20>,
<2320, 20>,
<TON_PAUSE,216>,
<TON_REPEAT,30>
>
5
0-4
0
<vol>
Volume of ringing tone
Crescendo (volume varies from 1...4)
Read command
Response
AT^SRTC?
^SRTC: <type>, <vol>, <status>
Parameters
<type>
<vol>
<status>
Set command
Parameters
AT^SRTC=[<type>]
[, <vol>]
<type>
<vol>
Test ringing tone off
Test ringing tone on
0
1
Response
OK/ERROR
Execution command
Response
AT^SRTC
Ringing tone sounds at current AF device selected with "AT^SNFS" ", until
AT^SRTC is called again.
OK/ERROR
Notes:
(1) The test ringing signal cannot be activated while an MTC
is ringing (ERROR)
(2) If an MTC arrives while the test ringing tone is active, the
test ringing will be deactivated and “normal” ringing
reactivated (RING).
Display card number
AT^SCID
Display card ID
Test command
Response
AT^SCID=?
OK/ERROR/+CME ERROR
Execution command
Response
AT^SCID
^SCID: <cid>
OK/ERROR/+CME ERROR
Parameters
Number of SIM card
<cid>
AT^SPIC
Display PIN counter
Test command
Response
AT^SPIC=?
OK/ERROR/+CME ERROR
Execution command
Response
AT^SPIC
^SPIC: <counter>
OK/ERROR/+CME ERROR
Parameters
<counter>
Edition
05
Number of attempts still available for entering <passwd>.
Command "AT+CPIN?" to check which password is
currently required.
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
33 (54)
AT^SCKS
Test command
Response
AT^SCKS=?
^SCKS: (list of supported <n>s)
Parameters
0
1
<n>
Suppress unsolicited result codes
Output unsolicited result codes
Read command
Response
AT^SCKS?
^SCKS: <n>, <m>
Parameters
0
1
<m>
Set command
Parameters
AT^SCKS=<n>
<n>
No card
Card in card reader
Response
OK/ERROR
^SCKS: <m>
See read command (Section 5.3)
AT^SMGO
Test command
Response
AT^SMGO=?
^SGMO: (list of supported <n>s)
OK/ERROR/+CMS ERROR
Parameters
0
1
<n>
disable
enable
Read command
Response
AT^SMGO?
^SGMO: <n>,<mode>
OK/ERROR/+CMS ERROR
Parameters
<n>
<mode>
Set command
Parameters
AT^SMGO=<n>
<n>
0
1
2
Space available
SMS buffer full (chip card)
Buffer full and new message waiting in SC for delivery to phone
Response
OK/ERROR/+CMS ERROR
^SGMO: <mode>
AT^SMGL
Test command
Response
AT^SMGL=?
^SMGL: (list of supported <stat>s)
Parameters
<stat>
0
1
2
3
4
Set command
"REC UNREAD"
"REC READ"
"STO UNSENT"
"STO SENT"
"ALL"
Parameters
Edition
05
received unread messages (default)
received read messages
stored unsent messages
stored sent messages
all messages
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
34 (54)
AT^SMGL
[=<stat>]
<stat>
Response
^SMGL: <index>,<stat>,[<alpha>],<length><CR><LF><pdu>
[<CR><LF>^SMGL: <index>,<stat>,[alpha],<length><CR><LF><pdu>
[...]]
The PDU starts with the service center address (as per GSM
04.11) followed by the TPDU as per GSM 03.40 in
hexadecimal format
<pdu>
otherwise :
+CMS ERROR: <err>
AT^SACM
Display ACM and ACMmax
Test command
Response
AT^SACM=?
^SACM: (list of supported <n>s)
Execution command
Response
AT^SACM
^SACM: <n>,<acm>,<acm_max>
OK/ERROR/+CME ERROR
Paramter
<n>
<acm>
<acm_max>
Set command
Accumulated Call Meter
maximum Accumulated Call Meter
Parameter
AT^SACM=<n>
<n>
0
supress unsolicited result code
display unsolicited result code
1
AT^SCNI
Display Call Number Information
Test command
Response
AT^SCNI=?
OK
Execution command
response
AT^SCNI
^SPIC:
^SPIC:
^SPIC:
^SPIC:
^SPIC:
^SPIC:
^SPIC:
1[,<cs>[,<number>,<type>]]<CR><LF>
7[,<cs>[,<number>,<type>]]
OK/ERROR/+CME ERROR
Parameter
<cs>
<number>
<type>
Call status of respective call number ( first farameter)
0
call hold
1
call in progress
2
Waiting call
phone number
type of phone number
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
35 (54)
AT^SDLD
Delete redial phonebook
Test command
Response
AT^SDLD=?
OK
Execution command
Response
AT^SDLD
OK/ERROR/+CME ERROR
5.7 Summary of all unsolicited result codes
Message
+CREG: <stat>
+CLIP: <number>
+CSSI: <code1>
+CSSU: <code2>
+CMTI:
<mem>,<index>
+CMT:
,<length><CR><LF><
pdu>
^SCTM: <m>
^SCKS: <m>
^SGMO: <mode>
^SACM: <m>
Meaning
Network status
Caller’s phone number
Supplementary Service Notification
Supplementary Service Notification
Indicator for a new short message
Short message
Message related to critical temperature
Message indicating whether card is inserted or not
Message regarding change of SMS overflow
Message when ACM reaches maximum value of ACMmax
5.8 Summary of possible error codes per command
CME ERRORs
Command
AT^SACM
AT+CCFC
Possible error code
INVALID INDEX
INVALID INDEX
AT^SCNI
AT^SCTM
ATD
MEMORY FAILURE
INVALID INDEX
CALL BARRED BY BLACKLIST
INVALID CHARACTER DIAL
INVALID DIAL STRING
INVALID INDEX
MEMORY FAILURE
MEMORY FAILURE
Edition
05
Remark
Parameter out of valid range
%%%
Check for combinations not allowed since no
obvious indication possible
Memory allocation temporarily not possible
%%%
Blacklist prevents dialing the same number
repeatedly
No record indicated when dialing out of phonebook
e.g. invalid *# sequence
Wrong phone number
%%%
Invalid record when dialing out of phonebook
Attempt to dial empty phonebook entry
%%%
FDN-number check prevents dialing the number
No additional call number available (7 calls already
active/on hold)
Attempt to setup a data call (dial string without
terminating ';' )
Attempt to setup a data call out of phonebook (dial
string without terminating ';' )
%%%
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
36 (54)
AT+CLCK
INVALID INDEX
SIM WRONG
WRONG PASSWORD
AT+COPS
INVALID INDEX
AT+CPBR
SIM BUSY
DIAL STR TO LONG
INVALID INDEX
AT+CPBW
MEMORY FAILURE
MEMORY FULL
SIM FAILURE
SIM BUSY
DIAL STR TO LONG
INVALID CHARACTER
INVALID CHARACTER DIAL
INVALID INDEX
MEMORY FAILURE
MEMORY FULL
SIM PIN2 REQ
AT+CPIN
SIM WRONG
STRING TO LONG
SIM NOT INSERTED
EP PIN REQ
EP PUK REQ
NS PIN REQ
NS PUK REQ
Edition
05
%%%
Set/reset of lock/FDN although lock/FDN is already
set/reset
%%%
Response to SS commands to network
%%
Attempt to deactivate PIN, even though this is not
allowed by chip card
Attempt to activate FDN, although chip card does
not support FDN
%%%
Wrong phone/SIM code
%%%
Manual disconnection from network not supported
Network registration in alphanumeric format is not
supported
%%% ???at+cops=1, should produce ERROR only
Read operation of sorted phonebook (redialphonebook) only possible after sorting
%%%
Number part of phonebook entry to be written is too
long
%%%
Read operation of phonebook entry outside valid
range
%%%
Next free write operation when phonebook full
Read/write operation unsuccessfull
Write operation of phonebook entry only possible
after completion of internal read/sort operation
%%%
%%%
Invalid character in name part
Invalid type of number specified in record to be
written???
%%%
%%%
Phonebook full
Write operation in redial phonebook not supported
Response after invalid write operation in FDN
phonebook, then PIN2 required
%%%
PUK2 counter full
%%%
%%%
E-Plus (Fixed to very first SIM) PIN required
%%%
Network subset PIN required
%%%
Attempt to enter PIN when no PIN required
%%%
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
37 (54)
PH SIM PIN REQ
PH SIM PUK REQ
SIM BUSY
SIM FAILURE
SIM PIN REQ
SIM PIN2 REQ
SIM PUK REQ
SIM WRONG
SP PIN REQ
SP PUK REQ
WRONG PASSWORD
SIM PUK2 REQ
INVALID INDEX
INVALID INDEX
AT^SPLR
AT^SPLW
AT+CPWD
SIM WRONG
WRONG PASSWORD
AT^SRCT
AT^SVTS
INVALID CHARACTER
STRING TO LONG
%%%
Lock-phone-to-SIM PIN required
%%%
When PIN deactivated, initial chip card data must
be read
Chip card error
%%%
PIN2 required
%%%
SIM card useless, e.g. PUK counter full
Service provider PIN required
%%%
%%%
%%%
%%%
%%%
Network operator already part of preferred operator
liste
Attempt to change PIN2 althougj PIN2 is not
supported by chip card
%%%
%%%
%%%
Wrong phone/SIM code
When silent alert activated, ringing tone cannot be
activated
invalid DTMF character
%%%
DTMF string too long
CMS ERRORs
AT+CSMS
AT+CPMS
SIM BUSY
AT+CNMI
AT^SMGO
AT+CMGL
AT+CMGS
AT+CMSS
SIM BUSY
SIM BUSY
MEMORY FAILURE
SIM FAILURE
INVALID MEM INDEX
MEMORY FAILURE
SIM FAILURE
MEMORY FAILURE
MEMORY FAILURE
AT+CMGW
SIM BUSY
AT+CMGR
Edition
05
When CF active, phase2+ must be activated
SMS value > 1
<memx> other than "SM"
SIM has no SMS records
At READ command and busy chip card
Chip card busy with other operation
Only with Phase 2+ activated, direct forwarding of
PDU allowed.
SIM busy with other operation
SIM busy with other operation
No memory for PDU could be allocated
Range not between 0-4
Error reading from chip card
Wrong index on chip card
Failure at read operation from chip card
No memory for DA could be allocated
Chip card busy
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
38 (54)
AT+CMGD
AT+CNMA
MEMORY FULL
MEMORY FAILURE
INVALID MEM INDEX
NO CNMA EXPECTED
No free record available
Wrong index on chip card
AT+CNMA was received unsolicited
Sending of TPDU not supported
Additional:
General
SIM PIN NEC
PIN required
SIM PUK REQ
PUK required
PH SIM PIN NEC
PH SIM PIN required
When sending a PDU only the error code numbers from the network are forwarded
(see GSM 04.11 Annex E-2 and GSM 03.40)
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
39 (54)
6 Using the Siemens A1 in the test environment
The test environment of the Siemens A1 is shown in Fig. 2. The development box (D box) including the
connected accessories (PC, audio equipment and plug-in power supply unit) replaces the base unit
required for operation of the Siemens A1 and thus makes it possible to use the Siemens A1
independently of the actual base unit (e.g. car radio, IDIS, etc.).
The Siemens A1 is controlled with AT commands on the TEST PC with the aid of a terminal program
(e.g. WINDOWS Terminal). The settings required for data transfer in the terminal program are as follows:
Settings:
COM no.:
Baud rate:
Data bits:
Stop bits:
Number of the serial interface used for controlling the Siemens A1.
19200 baud
Parity:
None
8
Protocol:
Xon/Xoff (ignored)
1
The SIM card reader integrated in the development box or an external SIM card reader (dashed line in
Fig. 2) can be used.
Fig. 2:
Block diagram of the test environment of the Siemens A1
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
40 (54)
7 Booting the software
The software of the Siemens A1 is booted by an IBM-compatible PC at this time. The infrastructure for
booting the software of the Siemens A1 must be structured as shown in Fig. 2, although the audio
equipment and the SIM card reader are not necessary for booting.
Proceed as follows:
•
Connect the Siemens A1 to the RS232 serial interface (COM1, COM2, etc.) of the PC by means of
the development box (D box), Siemens part number: S30880-S1001-A100-1. Make sure that SS1
interface (TX1, RX1) of the Siemens A1 is connected to the PC2 service interface of the development
box (see “Technical Description of the Development Box for Siemens A1”. Siemens part number
S30880-S1001-A100-*-7618).
•
Copy the following files into the directory containing the A1 software:
•
SWUP.INI
SWUP.EXE
Update the INI files as follows:
- Enter the COM interface used
- Enter a baud rate of 57600
•
Boot the software of the Siemens A1 as follows:
- Copy the current XBI file (file containing the current software of the Siemens A1) to the TEST
PC.
- Call SWUP <XBI file name without extension>.
This transfers the software to the Siemens A1.
As soon as the software boots, the Siemens A1 performs an automatic ROM code check to ensure that
the correct software has been loaded.
8 Power supply
8.1 Power supply, radio
Parameter
Condition
Symbol
Min.
Typ.
Max.
Voltage
UPOWER_HF
6.55 V
6.7 V
6.85 V
Switch-on current
Duration: approx. 1ms
pulse (when voltage is
applied)
I
400 mA
Switch-on current
pulse (by ignition)
Duration: approx. 400 µs
I
900 mA
Power consumption
Pulsed t = 577 µs at
I
with call in progress
T = 4.615ms
Power consumption
Pulsed t = 577 µs at
in idle mode
T = approx. 1s
Power consumption
Voltage applied
I
I
1.5 A
1.8 A
(for performance
class 5)
(arithmet.
mean: 250
mA)
80 mA
100 mA
10 mA
in standby mode
(switched off)
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
41 (54)
Requirements for the supply voltage for POWER_HF:
Voltage ripples during TX burst:
< 5mV
Voltage drop during TX burst:
< 150mV
(- when max. rate of the voltage drop is less than 25mV/µs,
- if voltage drop is steeper, the permissible drop lessens accordingly)
Notes:
UPOWER_HF undervoltages cannot cause damage to the Siemens A1. A UPOWER_HF undervoltage does not
trigger an automatic shutdown in the Siemens A1. A UPOWER_HF undervoltage has the effect of reducing
transmit power. On account of the Siemens A1 protection concept, operation outside the specified
voltage range for UPOWER_HF is not permitted, particularly in the range between 3.5 V and 5 V.
8.2 Power supply, logic
Parameter
Condition
Symbol
Min.
Typ.
Max.
Voltage
UPOWER_LOG
4.5 V
5V
5.5 V
Switch-on current
pulse (when voltage is
applied)
I
1.2 A
Switch-on current
pulse (by ignition)
I
250 mA
Power consumption
I
80 mA
200 mA
I
40 mA
48 mA
I
350 µA
600 µA
(at 5 V
(at 5.5 V
with call in progress
Power consumption
in idle mode
Power consumption
Volage applied
in standby mode
(at UPOWER_LOG = ....
(switched off)
& ambient temp. = ....)
& 25°C)
& 80°C)
Notes:
When the Siemens A1 is used in vehicles, the voltage drops caused by starting of the engine cannot be
buffered by the Siemens A1. If the POWER_HF supply voltage is not adequately buffered, calls in
progress may be cleared down because the energy is not sufficient for transmission. How much time is
left before the connection breaks down depends on the current status of the Siemens A1 software. The
transition to low current consumption in idle mode is also dependent on this factor.
While calls are in progress, current peaks within the range of the specified maximum value may occur at
both POWER_HF and POWER_LOG.
Additional feature:
If the POWER_LOG supply voltage drops below 4.5 V and down to a value of 3.5 V, there is no danger of
damage to the chip card while the card is being accessed, nor is it necessary to re-enter the PIN, since
the Siemens A1 remains on.
Re-entering the PIN after a voltage drop below 3.5 V is necessary only if "PIN Disable" is possible and
activated as an option for the chip card in question.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
42 (54)
9 Hardware interfaces
9.1 Overview
The electrical interfaces of the Siemens A1 are grouped in two connectors. These are for the voltage
supply, the serial interfaces (two), audio signals and the SIM connector. A separate connector with selfcontacting capability is provided for the antenna. The illustration below (Fig. 3) shows the connectors of
the Siemens A1.
GSM antenna connector
Shield
Connector 1
1
19
2
20
2
1
8
7
Connector lug
Connector 2
Fig. 3:
Siemens A1 (connectors)
All interface signals are covered in the tables in the sections below.
9.2 Connector 1 (20-pin AMP micro-match connector)
General notes:
•
•
•
•
•
•
The Vcc voltage for the logic is 2.85V +/- 90mV and is generated internally from POWER_LOG.
The levels are predetermined as regards the Siemens A1.
The contact resistances for the pins of the AMP connector are max. 20mΩ.
In/out directions are predetermined as regards the Siemens A1.
The RX, TX, RX1, TX1, ANT_EXT, EXT_AL, RM and NF_EXT signals can remain unconnected.
The IGNITION signal is checked every 100 ms. If the signal goes LOW, another two checks are run at
intervals of 100 ms to ascertain whether the signal remains LOW. If it does, the shutdown sequence
for the Siemens A1 is initiated (for details, see "AT^SMSO"). If the two additional checks show that
the signal is no longer LOW, the checks sequence is restarted.
See Table 1 for a description of the signals of the 20-pin interface and its functions.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
43 (54)
PIN
1
2
3
4
5
6
7
Signal
GND
POWER_HF
GND
POWER_HF
GND
POWER_LOG
IGNITION
IN/OUT Remarks
Supply, radio part:
Inp.
Upower_HF (idle voltage) 6.7V ± 0.15V
Inp.
Inp.
Inp.
4.5V < Upower_log < 5.5V
a) high: 3.0V < Uign < 5.5V (I < 1mA)
b) low: Uign < 0.4V
8
RX
Inp.
9
TX
Outp.
10
TX1
Outp.
11
RX1
Inp.
12
ANT_EXT
Outp.
(I < 1mA)
low: -0.3V < Upin < +0.8V
high: +2.0V < Upin < Vcc+0.3V
low: 0V < Ulow < +0.2V (Ilow = 100µA)
high: Vcc -0.2V < Uhigh < Vcc
(Ihigh = 100µA)
low: 0V < Ulow < +0.2V (Ilow=100µA)
high: Vcc -0.2V < Uhigh < Vcc
(Ihigh = -100µA)
low: - 0.3V < Upin < +0.8V
high: + 2.0V < Upin < Vcc + 0.3V
not active: 0V < Uant_ext < 0.4V
active:
2.0V < Uant_ext < 3.1V
13
EXT_AL
Outp.
not active: 0V < Uext_al < 0.4V
active:
2.0V < Uext_al < 3.1V
14
15
GNDA
AUDO
Outp.
Umax = 1.55Vpp = 550 mVrms
Output impedance: 200 Ω (typ.)
16
RM
Outp.
17
NF_EXT
Outp.
not active: 0V < Urm < 0.4V
active:
2.0V < Urm < 3.1V
active:
0V < Unf_ext < 0.4V
not active: high-ohmic (Unf_ext < 3.1V)
18
19
GND_MICRO
HF_MICRO
Inp.
20
GND_MICRO
Table 1:
Umax =
1.55Vpp
Impedance: 100kΩ (typ.)
05
b): Siemens A1 switches off
within 3 s (see "General
remarks").
Serial interface for control of
the Siemens A1
(int. pull-up 100kΩ to Vcc)
Serial interface for internal
service functions and booting
the software
(int. pull-up 100kΩ to Vcc)
Detection signal for driving an
automatic antenna.
--> Also signals on/off of the
Siemens A1 (int. pull-down
1MΩ)
Detection signal for external
signal generator (int. pull-down
1MΩ)
Ground for audio signal
AF output (level depends on
volume setting and
accessories)
Detection signal for radio
muting (int. pull-down 1MΩ)
Switch handsfree loudspeaker
on/off
active->dig.trans. pulls
NF_EXT to low (int. pull-down 1
MΩ)
Ground for microphone signal
AF input
Ground for microphone signal
Signals of the 20-pin interface
Edition
Function
Device ground
Supply, radio part
Device ground
Supply, radio part
Device ground
Supply for logic
Switch-on signal of the
Siemens A1 (int. Pull-down
100 kΩ).
a): Siemens A1 switches on
with rising edge. Siemens A1
is on only as long as IGNITION
remains HIGH.
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
44 (54)
9.3 Connector 2 (8-pin AMP micro-match connector)
The interface to the SIM card (8-pin interface on the Siemens A1) is implemented in accordance with the
requirements of standards GSM 11.10 and GSM 11.11. The hardware and software functions of the
interface are specified in these standards.
Notes on the chip card signals:
•
•
•
•
•
•
•
•
•
All directions (in/out) are stated from the point of view of the Siemens A1.
Currents flowing to the radio device are negative.
The levels are taken from GSM 11.10 V 4.9.0.
4.8 V regulator for chip card supply: 4.8V + 150mV
The 2x100nF capacitors used to buffer the chip card supply must be positioned externally as near as
possible to the chip card reader.
Crosstalk must be prevented between the CCIO_4V8 and CCLK_4V8 connecting lines to the chip
card reader.
The chip card reader must have a signal to ascertain whether the chip card is inserted or not. This
detection signal should be lagging behind the chip card contacts when the chip card is inserted and
leading when the card is pulled. As a rule, chip card readers with slides satisfy these requirements.
The duration of chip card read commands depends on the SIM card in question and can be up to
1500 ms (e.g. in the case of short messages). Furthermore, a distinction is drawn between critical
actions (associated with the PIN and just after switch-on) and less critical actions (e.g. short
messages).
CC_VCC always switches off after CC_IN = 1 within a time < 1ms.
PIN Signal
IN/OUT Remarks
Function
1
CC_IN
Inp.
Detection signal for chip card
inserted
(int. pull-up to Vcc)
2
CC_VCC
Outp.
- low: -0.3V < Upin < +0.8V (CC inserted)
- open: (CC pulled)
- The CC_IN signal is debounced for 100 ms.
Only then does the software of the Siemens A1
try to set up communication with the chip card.
The card is not flagged as defective until after
three negative attempts.
4.5V < Upin < 5.5V, (I <= +10mA)
3
CCRST
4
CC_GND
5
CCIO_4V8
6
CC_GND
7
CCLK_4V8 Output
8
CC_GND
Outp.
high: 3.8V < Upin < CC_VCC+0.3V (I=+20µA)
low: -0.3V < Upin < 0.5V (I=-200µA)
Inp./
Outp.
Open drain
Data for CC with 10kΩ pull-up
out high: 3.8V < Upin < CC_VCC+0.3V (I=+20µA) to CC_VCC (pin 2).
out low: -0.3V < Upin < 0.4V (I = -1mA)
Ground for CC
low: -0.3V < Upin < 0.5V (I = -200µA)
high: 3.15V < Upin < CC_VCC+0.3V (I=+20µA)
Clock for CC
Ground for CC
Signals of the 8-pin interface
05
Reset for CC
Ground for CC
Table 2:
Edition
CC supply;
2x100nF capacitors which
must be immediately adjacent
to the CC pins (contacts) on
the CC reader; they are
blocking capacitors for CC
supply.
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
45 (54)
9.4 GSM antenna
The antenna is selected by the manufacturer of the base unit.
The antenna must satisfy the following electrical requirements:
Frequency, TX
890-915 MHz
Frequency, TX
935-960 MHz
Impedance
50 Ω
VSWR
TX: max. 1.7:1 installed
RX: max. 1.9:1 installed
Gain
> 1.5dB referenced to λ/2 dipole
3dB width of cone
vertical:
80°
horizontal:
360°
Maximum power
1W (cw), 2W peak; at ambient temperature of 65°C
10 EMC and ESD requirements
Standard ETS 300 342-1 applies to the Siemens A1 as regards EMC and ESD requirements.
Additional requirements with regard to EMC/ESD:
•
A EMC-filtered power supply must be made available to the Siemens A1 via the base unit. When the
Siemens A1 is used in vehicles, the requirements of standard ETS 300 342-1, Section 9.6 must be
satisfied with regard to the power supply.
•
The length of the connecting cables to the 20-pin and 8-pin interfaces must be < 2m, if not,
measurements must be performed in accordance with standard ETS 300 342-1, Section 9.5.
•
When using Siemens A1 with individual handsfree equipment the possibility of susceptability
problems exists.
•
Due to EMC requirements, we recommend shielding the connecting cable between chip card reader
and the connector at the Siemens A1.
11 Environmental trials
The applicable standards with regard to ambient conditions for the Siemens A1 comply with IEC68
12 CE conformity
The Siemens A1 will bear the CE symbol of conformity. This symbol is a declaration that, on account of
its design and construction, the Siemens A1 is in compliance with the currently valid versions of the
following EC Directives.
89/336/EC
73/23/EC
91/263/EC
(EMC directive)
(Low voltage directive)
(Telecommunications devices directive)
Standards:
EMC:
ETS 300 342-1
Safety:
EN 60950
GSM network:
TBR 19
TBR 20
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
46 (54)
13 Acoustics
The Siemens A1 supports 5 audio operating modes (audio modes 0 – 4). Each mode is characterized by
special equalization for the transmit and receive directions and activated or deactivated echo
compensation.
•
•
Audio mode 0:
Audio mode 1 (handset):
•
Audio mode 2 (handsfree):
•
Audio mode 3 (handset):
•
Audio mode 4:
Reserved
Equalization for standard auxiliary handset NOKIA HSU1,
echo compensation deactivated
No equalization (only anti-aliasing filter active),
echo compensation activated
No equalization (only anti-aliasing filter active),
echo compensation deactivated
reserved
The AT^SNFS=<mode> command activates the audio mode in <mode>.
See Section 5.6 for a detailed description of the command.
13.1 Auxiliary handset
The Siemens A1 supports two audio modes for operation with handset.
Audio mode 1 permits operation of a standard auxiliary handset without adjustments in the base unit.
Audio mode 3 is for the operation of other types of auxiliary handsets which require adjustments in the
base unit.
13.1.1 Standard auxiliary handset
The Siemens A1 provides a special adjustment for a
NOKIA HSU-1
auxiliary handset. Select Audio mode 1 if this type of standard auxiliary handset is used.
Compliance with applicable GSM guidelines is ensured only if the following conditions are satisfied:
•
Voltage transfer factor between microphone output of the standard auxiliary handset
(HSU1: MIC) and the microphone input of the Siemens A1 (Siemens A1: HF_MICRO):
UHF_MICRO / UMIC = 47/100
•
Voltage transfer factor between audio output of the Siemens A1 (Siemens A1: AUDO) and the
input of the standard auxiliary handset (HSU1: EAR):
UEAR / UAUDO = 57/100
•
The voltage transfer factors between the Siemens A1 and the standard auxiliary handset must be
frequency-independent and in the range 100Hz to 4000Hz (+/- 1 dB).
•
Distortion factor in the paths between the standard auxiliary handset and the Siemens A1:
k < 5%
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
47 (54)
13.1.2 Other auxiliary handsets
Audio mode 3 can be selected in the Siemens A1 for transmission without equalization for adjustment
to other auxiliary handset types. In this case, equalization must be provided in the base unit in the signal
paths between the handset and the Siemens A1. The tolerance masks for the frequency response
characteristics of earpiece and microphone and all other specifications are as stated in the
corresponding GSM guidelines (ETS 300 607-1, Section 30: Speech Teleservices).
13.2 Handsfree operation
Standard mode for handsfree operation:
•
Audio mode 2:
Echo compensation is activated, no equalization active
The echo compensation implemented in the Siemens A1 suppresses echoes with runtimes up to 20ms.
If necessary (e.g. loudspeaker signal at high volume), the microphone signal can be damped with the
AT^SNFA command. However, this would appear to be advisable only if the (local) speaker speaks in a
loud voice as is the case, for example, when cars are being driven at high speed. A speed-related
amplification of the loudspeaker signal can then be compensated by a push-pull damping of the
microphone signal.
The AT^SNFA=<x> command scales the microphone signal at a factor v = <x> / 16384
(0 <= <x> <= 32767). Thus the value <x> = 16384 causes an amplification v=1 (i.e. 0 dB) and the value
32767 an amplification v=2 (i.e. 6 dB). When setting a certain amplification v > 1 it is important that the
voltage at the microphone input of the Siemens A1 (HF_MICRO) not exceed the value
UHF_MICROmax = 1 / v * 1.55 Vss
For amplifications v<= 1 the value 1.55 Vss may not be exceeded.
Voltages above 1.55 Vss affect the acoustic characteristics, but do not cause the Siemens A1 to shut
down.
In both handsfree modes the value 16384 is preset for <x> (thus amplification v=1,
UHF_MICRO, max=1.55V ss).
Important:
The microphone input HF_MICRO of the Siemens A1 and the amplifier/loudspeaker path
may not be overloaded. Non-linear distortion prevents effective echo compensation.
See Section 5.6 for a detailed description of the AT^SNFA command.
Should the echo dampening with the preset parameters not suffice (e.g. permanent, very noisy
loudspeaker signal), it may be adjusted using the command AT^SNFC=<c>. The corresponding
parameter influences the tuning down of the microphone signals (balance) controlled by the voice signal
of the distant speaker. A value of <c>=0x50 is preset and keeps the influence of the remote speaker at a
minimum. Values between 0x10 and 0x50 are sensible. The lower the value, the higher the tuning down
of the microphone signals of detected voice signals from the far end.
See Section 5.6 for details on how to use the AT^SNFC command.
Requisite frequency response characteristics of microphone and loudspeaker
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
48 (54)
GSM recommendation 03.50 (ETS 300 540, reference to CCITT P.34) contains the following figures for
the frequency response characteristics of the handsfree equipment:
•
•
Microphone:
300Hz <= f <= 4000Hz:
Preemp. with rise of approx. 3dB/octave
f < 300Hz:
Going toward lower frequencies, gradual
transition to steeper drop under 200Hz
Loudspeaker:
Largely constant frequency response characteristic in the interval from 200Hz
to 4000Hz.
Technical data of the audio interface
•
HF_MICRO (input, pin 19 of the 20-pin interface):
Input resistance (typ.):
100 kΩ
Max. input voltage :
1.55 VSS
Microphone supply voltage:
from external source
•
AUDIO (output, pin 15 of the 20-pin interface):
Output resistance (typ.):
250 Ω
Max. output voltage:
1.55 VSS
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
49 (54)
14 Diagnostics
14.1 Diagnosis via the Siemens A1 software
The following AT commands can be used to query information for diagnostics:
• AT+CSQ Signal quality (receive level)
This command with the corresponding parameters can be used to query the receive level in dBm
and the bit error rate (RXQUAL) as per GSM Rec. GSM 05.08, Section 8.2.4.
•
•
AT+CREG – Network status
This command can be used to query the network status. The messages can be, for example,
"not registered, currently searching for a network", "registered", "registration denied", etc. as
answers to this command.
AT+CREG? +CREG: <n>, <stat>[,<lac>,<ci>]
This command combination can be used to query the Location Area Identifier (lai) and the Cell ID
(ci).
These AT commands are described in more detail in Section 5.4.2.
14.2 Other diagnostics
Simply sending AT<CR> tests the interface between the base unit and the Siemens A1. If the Siemens
A1 responds with OK, the interface is basically in full working order.
Information on the status or operation of the antenna is not possible, because the RF field at the local
site determines the result of any function query. If there is reason to suspect that poor reception or lack
of reception is due to a defective antenna, this is easily checked by connecting a reference antenna.
Alternatively, the antenna could be checked separately with the aid of a voltage standing wave ratio
meter (VSWR meter).
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
50 (54)
15 Technical data
15.1 Technical data of the Siemens A1
Weight:
< 170 g
Output power:
2 W peak (at the RF jack of the Siemens A1)
Sensitivity:
-104 dBm (at the RF jack of the Siemens A1)
Dimensions (max):
LxWxH∗) = 128.5x51x14.2 mm
Volume:
89.4 cm3
Memory resources
SRAM
FLASH EPROM
32 kbytes
512 kbytes
E²PROM
4 kbits
Memory for volatile data
Non-volatile but erasable and reprogrammable
memory for the microprocessor
Memory for user data (menu settings) and device
customizing data
Temperature range
Storage temperature
Thermostable
-40°C to +90°C
-40°C to +80°C
Operation with power supply
-20°C to +65°C
Dwell: 1 h, packaged
Temperature cycle: 10 cycles
Dwell: 2h at Tu and To
Fully functional and retaining data
Power supply
Power supply, radio ( U POWER_HF )
Power supply, logic (U POWER_LOG)
6.7 + 0.15V (I < 1.8 A. pulsed t = 577µs, at T = 4.615ms)
5 + 0.5V
( 10mA < I < 200mA depending on operating
status
Data interfaces
Interface to the chip card reader
Interface to the base unit
8-pin AMP micro-match connector
20-pin AMP micro-match connector
MMI board:
None
Phase I/II:
GSM recommendations, phase II
Remote control:
Control via serial interface by means of AT cellular commands
according to GSM 07.07 and 07.05
SMS:
SMS MT and SMS MO in SMS PDU mode
Half-rate capability:
Optional, hardware and software retrofittable
∗)
Max. height = 16.2 mm with locating pins for alignment on base unit, pins penetrate 2 mm into rear of base unit.
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
51 (54)
Data services:
None
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
52 (54)
15.2 Design drawing for the A1
Edition
05
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
53 (54)
15.3 Technical data, accessories
GSM antenna (not part of the Siemens A1)
The manufacturer of the base unit selects the antenna. The antenna connected to the
Siemens A1 must comply with the following electrical specifications:
Frequency, TX
Frequency, TX
Impedance
VSWR
Gain
3dB width of cone
890-915MHz
935-960MHz
50Ω
TX: max. 1.7:1 installed
RX: max. 1.9:1 installed
> 1.5dB referenced to λ/2 dipole
80°
360°
1W (cw), 2W peak at 65°C ambient temperature
vertical :
horizontal:
Maximum power
SIM card/card reader (not part of the Siemens A1)
Manufacturer
Specification
Edge rise ratio with cable
Framatome Connectors
Full-size SIM according to GSM 11.11, Section 4.1.1
Specification according to GSM 11.11, Section 5
Telephone handset (auxiliary handset) (not part of the Siemens A1)
The handset has an earpiece and a microphone amplifier. The volume can be adjusted
steplessly at the earpiece.
Make (one example)
NOKIA HSU-1
Microphone
MIC pressure
MIC output
Handset gain
Cable output
-2.2 dBPa
6.3 mV
26 dB
126 mV
Earpiece
Earpiece input
Earpiece pressure
Handset gain (max. vol.)
Volume adjust range
1780 mV rms
16 dbPa
22.5 dB
0...-17dB
Handsfree equipment (not part of the Siemens A1)
The manufacturer of the base unit selects and adapts the microphone and the loudspeaker. The
technical specifications are as follows:
Microphone (measurements at a distance of
0.5m)
-0/180° sensitivity:
-GSM/TDMA noise suppression:
Frequency response characteristic:
> 16dB
> 60dB
see Section 13.2
Loudspeaker
Harmonic distortion:
Frequency response characteristic:
Edition
05
< 5% at full volume
see Section 13.2
File name: A1_TB05E
Date of issue
Initial compilation
16.01.1998
12.12.1996
Siemens PNO
S30880-S1000-A100-*-18
Siemens A1
Page
54 (54)

Technical Description

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