Serial Port 1 In Rs-232/422/485 Mode (Jcom1_Sel1); Lcd Inverter Connector (Jbkl1) - Avalue Technology ARC-1232 Quick Reference Manual

ARC-1232/1532
2.6.5

Serial port 1 in RS-232/422/485 mode (JCOM1_SEL1)

* Default
2.6.6

LCD Inverter connector (JBKL1)

26 ARC-1232/1532 Quick Reference Guide
RS232*
PIN Signal
12 422RX1-
9 485_422TX1+
6 422RX1+
3 485_422TX1-
Note:
This connector is available after modify the mode of COM1 in
BIOS setting.
RS422 RS485
PIN Signal PIN Signal
11 COM1-4 10 NDTRA#
8 COM1-2 7 NRXDA
5 COM1-3 4 NTXDA
2 COM1-1 1 NDCDA#
Signal PIN
+5V 5
LVDS_BKLT_CTL 4
LVDS_BKLT_EN 3
GND 2
+12V 1