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GE863-PRO
3
Hardware User Guide
1vv0300773a Rev. 0 - 24/01/08
Reproduction forbidden without Telit Communications S.p.A. written authorization - All Rights Reserved page 8 of 64
3 GE863-PRO
3
module connections
3.1 BALL-OUT
Ball Signal I/O Main Function
Internal
Pull up
ARM/ GSM Type
A1 RESERVED - RESERVED (3) - - -
A2 GND
- Ground - - Power
A3 ANTENNA
O GSM Antenna output - 50 ohm
- GSM RF
A4 RESERVED - RESERVED (3) - - -
A5 GND -
Ground - - Power
A6 EAR_HF+
AO Handsfree ear output, phase + GSM
Audio
A7 EAR_HF-
AO Handsfree ear output, phase - GSM
Audio
A8 EAR_MT+
AO Handset earphone signal output, phase - GSM
Audio
A9 EAR_MT-
AO Handset earphone signal output, phase
+
GSM
Audio
A10 RESERVED - RESERVED (3) - - -
A11 RESERVED - RESERVED (3) - - -
A12 GND -
Ground - - Power
B1 RESERVED - RESERVED (3) - - -
B2 GND -
Ground - - Power
B3 GND -
Ground - - Power
B4 GND -
Ground - - Power
B5 GND -
Ground - - Power
B6 MIC_HF+
AI Handsfree microphone input; phase + GSM
Audio
B7 MIC_HF-
AI Handsfree microphone input; phase - GSM
Audio
B8 MIC_MT+
AI Handset microphone signal input;
phase+
GSM
Audio
B9 MIC_MT-
AI Handset microphone signal input; phase- GSM
Audio
B10
GPIO4 /
BUZZER
I/O GPIO4 / BUZZER output GSM
CMOS 2.8V
B11
STAT_LED O Status indicator led GSM CMOS 1.8V
B12
SIMIN I/O External SIM signal - Presence (active
low)
47K
Ω
GSM CMOS 2.8V
C1 VBATT
- Main GSM power supply GSM
Power