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 Analog Input ............................................................................................................................................ 10
2.1.2 Digital Output .......................................................................................................................................... 11
2.2 Mini USB Connector ........................................................................................................................................ 11
2.3 Antenna Connector ......................................................................................................................................... 12
2.4 SIM card reader ............................................................................................................................................... 13
2.5 RS232 Serial Port ............................................................................................................................................. 13
2.5.1 Serial Data ............................................................................................................................................... 14
2.5.2 Serial Data Signals ................................................................................................................................... 14
2.5.3 Control Signals – RTS, CTS, DTR, DSR, DCD, RI ........................................................................................ 14
3 Operation ................................................................................................................................................................ 15
3.1 Switching ON the modem ............................................................................................................................... 15
3.2 Switching OFF the modem .............................................................................................................................. 16
3.3 Optional Low Power Mode ............................................................................................................................. 16
3.4 Operationg states / LEDs ................................................................................................................................. 16
3.4.1 Power up LED (green LED in the middle) ................................................................................................ 16
3.4.2 Status LEDs (one yellow, one red) ........................................................................................................... 16
3.5 Safety instructions .......................................................................................................................................... 17
3.6 General precautions ........................................................................................................................................ 17
3.7 SIM card precautions ...................................................................................................................................... 18
3.8 Antenna precautions ....................................................................................................................................... 18
4 Installation of the modem ...................................................................................................................................... 19
4.1 Where to install the modem ........................................................................................................................... 19
4.1.1 Environmental conditions ....................................................................................................................... 19
4.1.2 GSM Signal strength ................................................................................................................................ 19
4.1.3 Connections of components to HT910 E Terminal ................................................................................. 19