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HUAWEI MG323 GSM M2M Module
Hardware Guide
Description of the Application Interfaces
Issue 04 (2011-08-22)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
12
PIN NO.
Signal name
PIN NO.
Signal name
1
SIM_CLK
2
INTEAR_N
3
VSIM
4
INTEAR_P
5
SIM_DATA
6
EXTEAR_P
7
SIM_RST
8
EXTEAR_N
9
NC
10
INTMIC_N
11
GND
12
INTMIC_P
13
NC
14
EXTMIC_P
15
NC
16
EXTMIC_N
17
NC
18
GND
19
NC
20
TERM_ON
21
NC
22
RESET
23
BATT_THERM
24
UART1_DCD
25
LED_STATUS
26
NC
27
NC
28
UART1_CTS
29
UART1_RD
30
NC
31
NC
32
UART1_DTR
33
UART1_TD
34
UART1_RTS
35
VCOIN
36
UART1_DSR
37
NC
38
UART1_RING
39
NC
40
VIO
41
GND
42
VBAT
43
GND
44
VBAT
45
GND
46
VBAT
47
GND
48
VBAT
49
GND
50
VBAT