GSM Data Modem Frequently Asked Questions - Scotec - GiSMo ...

Please note that without following this procedure you might expose your device to degradation(possible corruption of critical parameters).14 POWER-Power supply requirements14.1 What are the power-supply-requirements for the GiSMo ?-Power can be provided either from an external power supply or through pins 9 or 15 on the 25-wayD-type connector. The power requirements for both are 7-12v input, 18mA fully charged battery,70mA part charged battery.The internal battery can provide enough power to supply the modem for approx 1 hour without anexternal power source.15 RESET15.1 How can I reset my GiSMo ?- For a software reset you can use the AT+CFUN=0 command (or AT+CPOF) to properly stop thefirmware and then use the AT+CFUN=1 command to restart.16 SIM16.1 AT+CPIN? answers with ERROR.- Activate the extended error report (with AT+CMEE=1) to get the error code and check the errorcause in your AT commands manual. Possible causes: SIM or SIM holder not properly inserted, SIMfailure, defective SIM card reader, SIM not recognised (5V SIM with a modem compatible with 3VSIMs only. You can also activate the +WIND unsolicited by keying AT+WIND=1 for example. Thiscommand in this case of use gives the indications of a physical change on the SIM presence pinfrom connector meaning SIM inserted , SIM removed. Check the error code returned in the ATcommands manual.16.2 Can I lock my terminal on a specific SIM card?- Yes, you can use the SIM Lock facility using the AT+CLCK command. Since the 4.20 Firmwareversion, you have a specific GiSMo command that allows you to personalize a ME on a specificoperator. (check your AT commands manual for more details).16.3 What is a SIM card ?- A SIM card is a Subscriber Identity Module.Basically, It is used to store :· the subscriber profile· some subscriber data (phonebooks, SMS)11