User ManualTable of ContentsContents3Introduction4Description4Highlights4Installation5Safety and Installation Information5Securing the Modem5Electrical Connections6Power Connector6Audio Connector7Antenna Connector7RS232 Serial Port8SIM Card Reader91. Disconnect power to the GM29;92. Remove the cover panel by applying light downward pressure and sliding outwards as shown below;93. Applying light pressure, slide the SIM card holder to the “OPEN” position as shown below;94. Carefully raise the SIM card holder until it is in the vertical position as shown below;95. Orientate the SIM card and slide into the holder as shown below;96. Close the SIM holder and slide into the “LOCK” positon;97. Refit the cover panel.9Operation10Switching On the Modem10Switching Off the Modem10Resetting the Modem10Operating States/LED10Accessories11AT Commands11Type Approval11Software Updates11Certification11Troubleshooting11Modem Not Working111. Power is not connected. Check the power source and connection to the RJ11 connector on the GM29.112. Power is connected but a switch on signal has not been applied, see “Switching On the Modem” o...113. The modem is damaged.11Software Crashed11No Communication, Modem Switched On11Service and Support11Technical Data14Data Features14Short Message Service Features14Voice Features14Fax Features14Data Storage14Power Supply15Average Power Consumption15Radio Specifications15Audio Specifications16SIM Card Reader16Electrical Connectors and LED16Mechanical Specification16Environmental specifications17Certification17Size: 923 KBPages: 17Language: EnglishOpen manual