Serial Port 1 Signal Select Jumpers (Jrs1/Jrs2/Jrs3) - Avalue Technology EAX-Q77 User Manual

EAX-Q77 User's Manual
2.6.3

Serial Port 1 Signal Select Jumpers (JRS1/JRS2/JRS3)

JRS1
Signal PINS
RXD232 1
RXD 422 3
RXD 485 5
JRS2
Signal
RS485_B
NDCD1_D-
NDCD1-
JRS3
Signal
RS422_B
RS422_A
NDTR1_D-
26 EAX-Q77 User's Manual
Signal
2 RD1
4 RD1
6 RD1
PINS Signal
1 2 RS485_A
NRXD1_D-
3 4
5 6 NRXD1-
PINS Signal
1 4 NTXD1_D-
NDTR1-
2 5
3 6 NTXD1-
RS232 RS422
(Default)
RS422/RS485
RS422
RS485
RS232
RS232