Huawei MG323 Hardware Manual page 12

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