Owner's manual

Touch Panel PC AHP-1122
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