Avalue EBM-BYT - Manual (Page 24)

EBM-BYT User’s Manual
24 EBM-BYT User’s Manual
2.3.10 Serial port 2 connector (COM2)
RS-232 Mode
Signal PIN PIN Signal
NRXDB# 2 1 NDCDB
NDTRB# 4 3 NTXDB
NDSRB# 6 5 GND
NCTSB# 8 7 NRTSB#
NC 10 9 NRIB#
RS-422 Mode
Signal PIN PIN Signal
485TXP 2 1 485TXN
485RXN 4 3 485RXP
NC 6 5 GND
NC 8 7 NC
NC 10 9 NC
RS-485 Mode
Signal PIN PIN Signal
485TXP 2 1 485TXN
NC 4 3 NC
NC 6 5 GND
NC 8 7 NC
NC 10 9 NC