
http://www.digicom.itDUAL-BAND MODEM Dual-Band EGSM900/DCS1800 Data Transmission up to 9.6Kbps V.32 and V.110 SMS support PDU and Text mode Voice
PocketGSM Installation2.42.4. POWER SUPPLYThe inputs, outputs and power supply use a Minifit 12 pin connector: Frontal view PIN Description
PocketGSM Installation2.52.5. LED INDICATORSThrough two led indicators you can control the status of Pocket GSM:LED STATUS DESCRIPTIONPOWER OFF No pow
PocketGSM Installation2.62.6. CONNECTOR FOR THE VOICE MANAGEMENTFor the voice functionality, Pocket GSM is equipped with a double ended audio interfac
PocketGSM Functional Examples3.13. FUNCTIONAL EXAMPLESPocket GSM can be programmed through a set of AT commands for the execution of all itsfunctional
PocketGSM Functional Examples3.2A) PIN MANAGEMENTDue to security reasons, usually SIM cards require the insertion of PIN code. With PocketGSM you can
PocketGSM Functional Examples3.3 B) POCKET GSM READY TO WORKPocketGSM can work only after it has been detected by the network and with a good GSMsigna
PocketGSM Functional Examples3.4C) SERIAL CABLE NOT COMPLETEDIn case your application (eg. PLC) supports only TD and RD signals (Trasmission andRecept
PocketGSM Functional Examples3.5Attention: check with your telephone operator if your SIM is enabled for DATA and eventually for FAX.In fact most SIMs
PocketGSM Functional Examples3.61) Reading and Setup of the Services CenterTo activate the SMS management, you must insert the identifier number of th
PocketGSM Functional Examples3.7Text: First SMS message with Pocket GSM<ctrl z>Answer: +CMGS: <sms index>OKAfter you digit yuor message, p
PocketGSM Functional Examples3.8Through the AT+CNMI command it is possible to program the PocketGSM so as it sendsimmediately the received message to
PocketGSM AT Commands4.14. AT COMMANDSPocketGSM supports a complete AT commands set to configure and test the modem andall its functionalities.These c
PocketGSM AT Commands4.2(ATV0), then the answer will not have the prefix <CR><LF> and will be ended with the<CR> character. To dis
PocketGSM AT Commands4.3Command Possible answers ActionATD<str> CONNECT DATA / FAX connection is establishedOK VOICE connection is establishedBU
PocketGSM AT Commands4.4ATO Back to On-Line modeIf you have to interrupt the data flow temporarily to verify the modem status or someregisters without
PocketGSM AT Commands4.5ATZ Load user profileThis command will load a user profile previously saved with the AT&W command.Command Possible answers
PocketGSM AT Commands4.6AT&D Data Terminal Ready (C108)This command defines the management of the DTR (C108) on the modem serial port.The DTR come
PocketGSM AT Commands4.7Command Possible responses ActionAT&S0 OK Data Set Ready always ONAT&S1 OK Data Set Ready is controlled andfollows the
PocketGSM AT Commands4.8AT+CGMM Model identificationCommand Possible answers ActionAT+CGMM MULTIBAND 900E 1800 Device identificationOK AT+CGMR Modem
PocketGSM AT Commands4.9Command Possible answers ActionAT+IPR=<speed> OK / ERROR Set the interface rateAT+IPR? +IPR: 9600 Shows the current spee
IPocketGSM IndexINDEXPREFACE IIENVIRONMENTAL CONDITIONS IICLEANING THE TERMINAL IIVIBRATIONS OR DROPPING IIDECLARATION CE OF CONFORMITY II1. INTRODUCT
PocketGSM AT Commands4.10<parity> Parity Format0 Odd1Even2Mark3 Space4 NoneExamplesAT+ICF=3,4 Data: 8bit; Parity: None; Stop: 1bitAT+ICF=5,0 Dat
PocketGSM AT Commands4.114.2.2. 07.07 GSM COMMANDSAT+CBST Line Speed SettingThis command is used to select the line speed and the protocol for the DAT
PocketGSM AT Commands4.12AT+CEER Extended error reportThis command gives a report with the cause of the last disconnection.(See Appendix A for the err
PocketGSM AT Commands4.13<n> CLIP Service status in the network (reading only)0 CLIP Service not available1 CLIP Service available2 Service Stat
PocketGSM AT Commands4.14Command Possible answers ActionAT+CMEE=0 OK Report disabledAT+CMEE=1 OK Report enabledAT+CMEE? +CMEE: 0 Shows the current set
PocketGSM AT Commands4.15AT+CPIN Enter PIN codeThis command is used to enter the PIN and PUK codes. If the SIM card, used with PocketGSM, has the PIN
PocketGSM AT Commands4.16AT+CRC Cellular Result CodeThis command enables the report +CRING: <type>, instead of the traditional RINGmessage.Comma
PocketGSM AT Commands4.17<lac> Location Area Code in hexadecimal format (e.g. “00C3” is the same as “195”in decimal)<ci> Cell ID in hexade
PocketGSM AT Commands4.18 4.2.3. PHONEBOOK COMMANDSAT+CPBS Select PhonebookThis command selects the memory to be used for the phonebook.Command Possib
PocketGSM AT Commands4.19<index> Location where to save the telephone number<”number”> telephone number<type> 145 if <”number”>
IIPREFACEAll rights reserved; no part of this publication may be reproduced, stored in a retrieval system, or transmittedin any form or by any means,
PocketGSM AT Commands4.20AT+CPBF Search for a telephone number (knowing the stored text)This command is used to find a telephone number inside the pho
PocketGSM AT Commands4.21AT+SPEAKER Speaker and Microphone selectionWith a single command, you can set the factory parameters of the commands: AT+VGR,
PocketGSM AT Commands4.22AT+VTD Length of the DTMF toneThis command is used to increase or reduce the length of the DTMF tone, sent with thecommand AT
PocketGSM AT Commands4.23AT+ECHO Echo cancellationThis command enables the echo cancellation for voice calls in small rooms. It could benecessary to a
PocketGSM AT Commands4.24<val> Description00 db1 -6db2 -12db3 -18dbAT+VIP Voice parameters InitializationThis command allows to restore the fact
PocketGSM AT Commands4.25Command Possible answers ActionAT+CSCA? +CSCA: “Service Center Address” Displays the Service Center numberAT+CSCA=“ Service C
PocketGSM AT Commands4.26AT+CRES Restore settingsThis command restores the setting of the following commands: AT+CSCA, AT+CSMP andAT+CNMI.Command Poss
PocketGSM AT Commands4.27Examples1) AT+CNMI=2,1Report: +CMTI: "SM",2Description: The received SMS has been stored in the location 2 of the S
PocketGSM AT Commands4.28AT+CMGL Messages ListThis command displays the list of the SMS messages stored in the SIM memory.For further information on A
PocketGSM AT Commands4.29Compose your message, press <ctrl z> (Hex =1A). To cancel the procedure, press <esc>(Hex = 1B).In this example th
PocketGSM Introduction1.11. INTRODUCTIONCongratulation on choosing digicom PocketGSM.Pocket GSM is a GSM Dual-Band modem (EGSM900/DCS1800), perfect fo
PocketGSM AT Commands4.30 4.2.6. GPIO COMMANDS (GENERAL PURPOSE INPUT OUTPUT)Besides the functionalities for the DATA, SMS, FAX and VOICE management,
PocketGSM AT Commands4.31Power on PocketGSM connecting the cable with the correct polarity:pin 9: positive [from +5 to +32Vdc]pin 10: negative [GND]T
PocketGSM AT Commands4.32Command Possible answers ActionAT+ADC? +ADC: <ADC3>,<ADC2>,<ADC1> Shows the current valueIgnore the first v
PocketGSM AT Commands4.33Connection ExamplesIf you want to manage a simple led (1,5V – 20mA), with a 12Vpower supply, you must add a pull-up resistor
PocketGSM AT Commands4.34AT+WIOM Input/Output ConfigurationThis command allows to configure the 6 contacts I/O. If they are configures as Output, it i
PocketGSM AT Commands4.35Possible settingsAT+WIOM=6,0 GPIO0 INPUT2GPO1 OUTPUT1 (initial state: Reset)GPO2 OUTPUT2 (initial state: Reset)GPI3 INPUT1GPI
PocketGSM AT Commands4.36AT+WIOR Read GPIO valueThis command reads the current state (Reset or Set) of an Input. It is not possible to readthe state o
PocketGSM AT Commands4.374.2.7. GPRS COMMANDS (GSM 07.07)The GPRS functionality is available only in some versions of PocketGSM. If available forthe b
PocketGSM Appendix AA.1APPENDIX AA1. (+CEER: Error <err>) Report Error Codes<err> Description1 Unassigned (unallocated) number3 No route t
PocketGSM Introduction1.2PocketGSM is a low power radio transmitter and receiver. When it is ON, it sends receivesradio frequency (RF) signals.PocketG
PocketGSM Appendix AA.263 Service or option not available, unspecified65 Bearer service not implemented68 ACM equal to or greater than ACMmax69 Reques
PocketGSM Appendix AA.3A.2. (+CME ERROR: <error>) Report Error Codes<error> Description3 Operation not allowed4 Operation not supported5 P
PocketGSM Appendix AA.4A.2.1. (+CMS ERROR: <SMSerror>) Report Error Codes<SMSerror> DescriptionDa 1 a 127 Error cause values from the GSM
PocketGSM Appendix AA.5A.3. Values of the speaker gain (AT+VGR=<val>)<val> Speaker gain0 – 15 +6 db16 – 31 +4 db32 – 47 +2 db48 – 63 +0 db
PocketGSM Appendix AA.6A.3.1. Values of the Microphone transmission (AT+VGT=<val>)Values for Values for“telephone handset” “loud speaking teleph
ITALY21010 Cardano al Campo VAvia A. Volta 39
PocketGSM Installation2.12. INSTALLATIONThe GSM modem installation must be carried out between a range of temperature indicatedin the manual.Attention
PocketGSM Installation2.22.2. SIM CARDPlug-in SIM are supported by PocketGSM.To prevent damaging or losing information avoid touching the sim gold are
PocketGSM Installation2.3You can check the signal:Using a cellular phoneInsert the SIM of the PocketGSM in a cellular phone and check the quality of
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