AAEON EPIC-HD07 - Manual (Page 51)

E P I C B o a r d E P I C - H D 0 7
Chapter 2 Quick Installation Guide 2-37
2.38 RS-232 Serial Port Dual Connector (COM1)
Pin Pin Name Signal Type Signal Level
1 DCD#1 IN
2 RXD#1 IN
3 TXD1 OUT
4 DTR#1 OUT
5 GND GND
6 DSR#1 IN
7 RTS#1 OUT
8 CTS#1 IN
9 RI#1 IN
10 DCD#2 (485D-)(422TXD-) IN
11 RXD2(422RXD+) IN
12
TXD2
(485D+)(422TXD+)
OUT
13 DTR#2(422RXD-) OUT
14 GND OUT
15 DSR#2 IN