Com1/2 Rs-232/422/485 Serial Port Connector - Aaeon AHP-1122 User Manual

T o u c h P a n e l P C

2.2 COM1/2 RS-232/422/485 Serial Port Connector

COM1 (D-sub 9 male)
Pin Signal
1 DCD
3 TXD
5 GND
7 RTS
9 RI
COM2 RS-232/422/485 (D-sub 9 male)
Pin Signal
DCD
1
(422TXD-/485DATA-)
TXD
3
(422TXD+/485DATA+)
5 GND
7 RTS
9 RI/+5Volt/+12Volt
Chapter 2 Quick Installation Guide
2
1
6
7
Pin
2
4
6
8
2
1
6
7
Pin
2
4
6
8
2 - 4
A H P - 1 1 2 2
4
5
9
8
Signal
RXD
DTR
DSR
CTS
4
5
9
8
Signal
RXD (422RXD+)
DTR (422RXD-)
DSR
CTS