24
2-2-3 Communication Connector (CN3/CN4) Terminal Layout
8
6
3
5
1
2
1
RxD
Serial data receive
2
3
GND
Ground
4
TxD
Serial data transmission
5
Data +
Serial data transmission
+
6
7
Data -
Serial data transmission -
8
1
2
3
4
5
Data +
Serial data transmission
+
6
7
Data -
Serial data transmission -
8