Huawei MG301 Hardware Manual page 11

HUAWEI MG301 B2B Module
HardwareGuide
Table 3-1 Definitions of pins on the B2B connector
Pin Pin Name
No.
Normal
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 NC
12 INTMIC_P
13 NC
14 EXTMIC_P
15 NC
16 EXTMIC_N
I/O Description
MUX
- O Clock signal of the SIM
card
Negative pole of the
- AO
output of h
speaker
- P Power supply of the
SIM card
- AO Positive pole of the
output of h
speaker
- I/O Data signal of the SIM
card
- AO Positive pole of the
output of
speaker
- O Reset signal of the SIM
card
- AO Negative pole of the
output of
speaker
- - Not connected, please
keep this pin open
- AI Negative pole of the
input of h
microphone
- - N - ot con nected,
Positive pole of the
- AI
input of h
microphone
- - Not connected, please
keep this pin open
- AI Positive pole of the
input of h
microphone
- - Not connected, please
keep this pin open
- AI Negative pole of the
input of h
microphone
Description of the Application Interfaces
DC Characteristics (V)
Min.
-
-
andset
-
-
andset
-
-
headset
-
-
headset
-
-
andset
-
andset
-
-
eadset
-
-
eadset
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