Quick Reference Guide
ARC-1532-C1 Quick Reference Guide 23
2.6.5
Serial port 1 in RS-232/422/485 mode (JCOM1_SEL1)
* Default
RS232*
RS422
RS485
PIN
Signal
PIN Signal PIN
Signal
12
422RX1-
11 COM1-4 10
NDTRA#
9
485
8
COM1-2
7
NRXDA
6
5
COM1-3
4
NTXDA
3
485_422TX1-
2
COM1-1
1
NDCDA#
Note:
This connector is available after modify the mode of COM1 in
BIOS setting.
2.6.6
LCD Inverter connector (JBKL1)
Signal
PIN
+5V
5
LVDS_BKLT_CTL
4
LVDS_BKLT_EN
3
GND
2
+12V
1