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ARC-1209/1509
2.1 ARC-1209/1509 connector mapping
2.1.1
Serial port 1 connector (COM1)
RS-485
Signal
DATA-
DATA+
NC
NC
GND
2.1.2
Serial port 2 connector (COM2)
16 ARC-1209/1509 Quick Reference Guide
PIN PIN
Signal
1
6
NC
2
7
NC
3
8
NC
4
9
NC
5
RS-232
Signal
PIN PIN
NDCDA#
1
6
NRXDA
2
7
NTXDA
3
8
NDTRA#
4
9
GND
5
RS-422
Signal
PIN PIN
TxD-
1
6
TxD+
2
7
RxD+
3
8
RxD-
4
9
GND
5
Signal
PIN PIN
NDCDB#
1
6
NRXDB
2
7
NTXDB
3
8
NDTRB#
4
9
GND
5
Signal
NDSRA#
NRTSA#
NCTSA#
NRIA#
Signal
NC
NC
NC
NC
Signal
NDSRB#
NRTSB#
NCTSB#
NRIB#
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