2bsignal, 3bsignal – AAEON AHP-1122 User Manual
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T o u c h P a n e l P C
A H P - 1 1 2 2
Chapter 2 Quick Installation Guide
2 - 4
2.2 COM1/2 RS-232/422/485 Serial Port Connector
COM1 (D-sub 9 male)
5
4
2
1
9
8
6
7
Pin
Signal Pin
Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 RI
COM2 RS-232/422/485 (D-sub 9 male)
5
4
2
1
9
8
6
7
Pin Signal
Pin
Signal
1
DCD
(422TXD-/485DATA-)
2 RXD
(422RXD+)
3
TXD
(422TXD+/485DATA+)
4 DTR
(422RXD-)
5 GND
6 DSR
7 RTS
8 CTS
9 RI/+5Volt/+12Volt