User Manual

GM862-QUAD / PY Hardware User Guide
1vv0300748 Rev. 5 - 20/09/07
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 10 of 68
3.3.1 Molex 52991-0508 (male) GM862 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 A/D - A/D converter @ 11 bit (Input Impedance >100Kohm) Max 2V input
7 VBATT - Main power supply Power
8 CHARGE AI Battery Charger Input 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 - Audio
14 MIC_MT+ AI Handset microphone signal input; phase+ Audio
15 MIC_HF+ AI Handsfree microphone input; phase + Audio
16 MIC_MT- AI Handset microphone signal input; phase- Audio
17 ON_OFF I Input command for switching power ON or OFF (toggle command).
47K Ω
Pull Up to
VBATT
18 AXE I Handsfree switching
100K Ω
CMOS 2.8V
19 SIMIO I/O External SIM signal - Data I/O 1.8V/3V ONLY
20 C103/TXD I Serial data input (TXD) from DTE CMOS 2.8V
21 PWRMON O
Module Status ON indication (Signal output for power on/off control of external
devices
1K Ω
CMOS 2.8V
22 SIMVCC - External SIM signal – Power (3) 1.8V/3V ONLY
23 RESET I Reset input -
24 SIMRST O External SIM signal – Reset 1.8V/3V ONLY
25 RESERVED - Reserved -
26 SIMCLK O External SIM signal – Clock 1.8V/3V ONLY
27 SIMIN I/O External SIM signal – Presence (active low)
47K Ω
CMOS 2.8V
28 GPO2 / JDR O
General purpose output (Open Collector) / Jammer Detect Report
Open Collector
29 C106/CTS O Output for Clear to send signal (CTS) to DTE CMOS 2.8V
30 C125/RING O Output for Ring indicator signal (RI) to DTE CMOS 2.8V
31 GPI1 I General purpose input transistor base
32 GPIO8 I/O Configurable general purpose I/O pin CMOS 2.8V