User guide

Touch Panel PC AHP-1070
Chapter 2 Quick Installation Guide
2 - 3
2.2 COM2 RS-232/422/485 Connector
(DSUB-9 MALE)
5
4
2
1
9
8
6
7
Pin Signal Pin Signal
1
DCD
(422TXD-/485DATA-)
2 RX (422RXD+)
3
TX
(422TXD+/485DATA+)
4 DTR (422RXD-)
5 GND 6 NC
7 RTS 8 CTS
9 NC/+3.3Volt/+5Volt
2.3 COM3 RS-232 Connector
(DSUB-9 MALE)
5
4
2
1
8
9
7
6
Pin Signal Pin Signal
1 DCD 2 RX
3 TX 4 DTR
5 GND 6 DSR
7 RTS 8 CTS
9 RI