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1.6 Internal Connector Pin Define
1
AUDIO2：Audio Amplifier Output with Wafer connector (2.0 mm)
Pin No.
1
4
2
3
4
Audio Amplifier Out Right
Ground
Ground
Audio Amplifier Out L ft
COM4, COM5, COM6：Serial Port with Box-header (2.0
mm)
Pin No.
1
DCD
3
RXD
5
TXD
7
DTR
9
Ground
Signal
Signal
Pin No.
2
4
6
8,10
13
Signal
DSR
RTS
CTS
RI/+5V/+12V
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