User manual

4
Table of Contents
Important information ......................................................................................................................... 2
Safety Instructions .............................................................................................................................. 2
1 Mechanical Description ................................................................................................................. 7
1.1 Overview .............................................................................................................................. 7
1.2 Physical Dimensions and Weight ............................................................................................. 8
2 Electrical Description .................................................................................................................... 9
2.1 Power Connector ................................................................................................................... 9
2.1.1 Analogue Input – GT864 PY Variant only ......................................................................... 10
2.1.2 Digital Output – GT864 PY Variant only ........................................................................... 11
2.2 Mini USB Connector ............................................................................................................. 11
2.2.1 GT864 Quad with Audio connector.................................................................................. 12
2.2.2 GT864 PY with GPIO ..................................................................................................... 12
2.3 Antenna Connector .............................................................................................................. 13
2.4 SIM card reader................................................................................................................... 14
2.5 RS232 Serial Port ................................................................................................................. 14
2.5.1 Serial Data ................................................................................................................... 15
2.5.2 Serial Data Signals ........................................................................................................ 15
2.5.3 Control Signals – RTS, CTS, DTR, DSR, DCD, RI .............................................................. 15
3 Operation .................................................................................................................................. 17
3.1 Switching ON the modem ..................................................................................................... 17
3.2 Switching OFF the modem .................................................................................................... 18
3.3 Operating states / LEDs ....................................................................................................... 18
3.3.1 Power up LED (green LED in the middle) ........................................................................ 18
3.3.2 Status LEDs (one yellow, one red) .................................................................................. 18
4 Power consumption .................................................................................................................... 19
4.1 Safety instructions ............................................................................................................... 19
4.2 General precautions ............................................................................................................. 20
4.3 SIM card precautions ........................................................................................................... 20
4.4 Antenna precautions ............................................................................................................ 20
5 Installation of the modem ........................................................................................................... 22
5.1 Where to install the modem.................................................................................................. 22
5.1.1 Environmental conditions ............................................................................................... 22
5.1.2 GSM Signal strength ...................................................................................................... 22