Table of Contents
Advertisement
6
NC
7
NC
8
NC/+5V/+12V
17
GNDGND
2.4.17 COM port2 RS-422
Pin
Pin Name
1
RS422_TX-
2
NC
3
RS422_TX+
4
NC
5
RS422_RX+
6
NC
7
RS422_RX-
8
NC/+5V/+12V
9
GND
※ COM2 RS-232/422/485 can be set by BIOS setting. Default is RS-232.
※ COM2 RI/+5V/+12V function can be set by BOM(R248-RI/R256-+12V/R250-+5V)
2.4.18 LPC port2 (CN18)
Chapter 2 – Hardware Information
PWR
+5V/+12V
IN
Signal Type
Signal Level
OUT
±5V
OUT
±5V
IN
IN
PWR
+5V/+12V
GND
29
Advertisement
Table of Contents
