User's Manual

Page 22 of 187
TECHNICAL MANUAL
Telit GM862 PCS
Tri Band GPRS Data Terminal System Rev.1
Molex 52991-0508 (male) GM862-PCS Connector PIN-OUT
Pin Signal I/O Function Internal
Pull up
Type
1 VBATT - Main power supply Power
2 GND - Ground Power
3 VBATT - Main power supply Power
4 GND - Ground Power
5 VBATT - Main power supply Power
6 GND - Ground Power
7 VBATT - Main power supply Power
8 CHARGE AI Battery Charger Input (5) Power
9 EAR_HF+ AO Handsfree ear output, phase + Audio
10 EAR_MT- AO Handset earphone signal output, phase - Audio
11 EAR_HF- AO Handsfree ear output, phase - Audio
12 EAR_MT+ AO Handset earphone signal output, phase + Audio
13 MIC_HF- AI
Handsfree microphone input; phase -,
nominal level 3mVrms
Audio
14 MIC_MT+ AI
Handset microphone signal input; phase+,
nominal level 50mVrms
Audio
15 MIC_HF+ AI
Handsfree microphone input; phase +,
nominal level 3mVrms
Audio
16 MIC_MT- AI Handset microphone signal input; phase-,
nominal level 50mVrms
Audio
17 ON/OFF I Input command for switching power ON or
OFF (toggle command). The pulse to be
sent to the GM862 must be equal or greater
than 1 second.
10KΩ
CMOS 2.8V
18 AXE I Handsfree switching
47KΩ
2.0V signal
19 SIMIO I/O External SIM signal - Data I/O 3V ONLY
20 C103/TXD I Serial data input (TXD) from DTE CMOS 2.8V
21 PWRCTL/
CAM_SYNC
O Module Status ON indication (Signal
output for power on/off control of external
devices) /
Camera interface on –PCS (4)
820Ω
CMOS 2.8V
22 SIMVCC - External SIM signal – Power (3) 3V ONLY