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1. Device overview
1.1 Connections
1:Start up button
2:SIM cardholder
3:GSM antenna connector (SMA jack)
4. Microphone connector
5:Serial port RS232
6:Power supply connector
7:I/O expansion connector (6 pin modular jack)
8:Analog inputs screw terminals
9:Digital inputs screw terminals
10:DIN rail snap
11:Digital outputs screw terminals