Quick Reference Guide
EPC-BYT Quick Reference Guide 11
2.1 EPC-BYT connector mapping
2.1.1
External Serial Port 1 connector (COM1)
Signal
PIN PIN
Signal
NDCDA#_485TXN
1
2
NRXDA_485TXP
NTXDA_485RXP
3
4
NDTRA#_485RXN
GND
5
6
NDSRA#
RTSA#
7
8
NCTSA#
NRIA#
9
10
NC
2.1.2
External Serial Port 2 connector (COM2)
Signal
PIN PIN
Signal
NDCDB#
1
2
NRXDB
NTXDB
3
4
NDTRB#
GND
5
6
NDSRB#
NRTSB#
7
8
NCTSB#
NRIB#
9
10
NC