Com2 Rs485/422 Connector (Jcom3B); Serial Port2 Connector (Jcom2A) - Avalue Technology EAX-H81P User Manual

EAX-H81P User's Manual
2.3.7

COM2 RS485/422 connector (JCOM3B)

2.3.8

Serial Port2 connector (JCOM2A)

24 EAX-H81P User's Manual
Signal PIN PIN
485TX-_C 1 2
485TX+_C 3 4
+5V 5 6
Signal PIN PIN
NRXDB 2 1
NDTRB# 4 3
NDSRB# 6 5
NCTSB# 8 7
NC 10 9
Signal
422RX-_C
422RX+_C
GND
Signal
NDCDB#
NTXDB
GND
NRTSB#
JNRIB#