Sony Ericsson TT4031 (SE-GM29) Integral SIM card reader, FME male (antenna connector), RJ9 (handset audio connector), RJ11 (plug-inpower supply connector)

setting up and controlling communications to and from the GSM network;configuring the modem to communicate across the RS232 serial interface;and obtaining GSM network status information.

For more detail on the AT commands supported by the TT4031 (SE-GM29) see “Alphabetical Listing of AT Commands”.

2.4.8Interfacing with the TT4031 (SE-GM29).

The TT4031 (SE-GM29) uses the following industry standard connectors to interface with the external application and the GSM network;

RJ11 (plug-in power supply connector)RJ9 (handset audio connector)Integral SIM card readerFME male (antenna connector)Sub-D socket, 9 pin (RS232 serial port)

Owner’s Manual Rev 1.0 Page 21 of 21