Serial Port 2 Connector (Jcom2A); Com2 Rs485/422 Connector (Jcom2B) - Avalue Technology EAX-Q170KP-B1 User Manual

EAX-Q170KP-B1 User's Manual
2.3.5

Serial port 2 connector (JCOM2A)

2.3.6

COM2 RS485/422 connector (JCOM2B)

22 EAX-Q170KP-B1 User's Manual
Signal PIN PIN
NRXD 2 1
NDTR# 4 3
NDSR# 6 5
NCTS# 8 7
9
Signal PIN PIN
485TX- 1 2
485TX+ 3 4
+5V 5 6
Signal
NDCD#
NTXD
GND
NRTS#
JNRI#
Signal
422RX-
422RX+
GND