User's Manual
CM-G100 Usermanual/Datasheet
Jun 08, 2009 Confidential Page 8 of 10
2.4 Compliance with Stanandards
z 3GPP TS 51.010-1 (GSM/GPRS)
z GPRS/EGPRS Multislot Class 12, Phase 2+
2.5 Connectivity
z UART in dedicated socket
3. PIN Assignment
Plug number Name of signal Direction Content
1 TXD J→C UART sends serial data
2 RXD J←C UART receives serial data
3 RTS* J→C UART send data ready (L: ON, H: OFF)
4 CTS* J←C UART ready (L: ON, H: OFF)
5 DTR*/INTM J→C UART receive data ready (L: ON, H: OFF)
or host unit wake up G-SIM (L: OFF, H: ON)
6 DCD*/INTH J←C UART data carrier detect (L: ON, H: OFF)
or G-SIM wake up host unit (L: OFF, H: ON)
7 POWER ON J→C G-SIM power control (L: OFF, H: ON)
8 INS* J←C G-SIM detection signal (L: plugged in, H: not plugged in)
9 Vcc Vcc Power
10 GND GND Grounding
11 REC+ J←C Signal of receiving unit, analogue differential input.
12 REC- J←C Signal of receiving unit, analogue differential input.
13 SIMVCC J←C Supply power for external SIM
14 MIC+ J→C Signal of microphone, analogue differential input.
15 MIC- J→C Signal of microphone, analogue differential input.
16 SIMRST J←C SIM reset
17 SIMDATA JC SIM data
18 SIMCLK J←C SIM clock