Horner APG XLt OCS HE-GSM04 - Manual (Page 23)

MAN4005-04-EN GPRS / GSM MODEM Configuration PAGE 23
• Initialize modem Option
o Modem Control block with ‘Initialize Modem’ option is used for execution of modem specific AT commands.
o Modem specific AT command to be executed is to be entered in ‘Init String’ text box provided in control.
o If AT command execution is successful then Modem Control block output is enabled, if not, the output is disabled.
o The status register is updated depending upon the response from the modem.
o The response from the modem is stored in consecutive register locations starting from ‘status register+1’ address.
Example:
o Modem control block with ‘Initialize Modem’ option is used for balance of minutes remaining from your service
provider.
o The service provider balance request string is entered in the ‘Init String’ box together with CUSD AT command.
o The response from the service provider is stored in consecutive register locations starting from ‘Status Address + 1’.
Note: The command to be sent for balance inquiry is: +CUSD = 1,”*111#”,15 where “*111#” is the string to request balance
remaining in SIM and may vary depending on the service provider.
Page 23 of 62 ECN # 956