RS-232/422/485/DIO to Ethernet Data Gateway
6
3.2
Front Panel Layout
3.2.1
RS-232 Pin Assignments and Cable Wiring
DB9(Male) to DB9(Male) Wiring
1 5
RS-232 DIO1~DIO7, Reset RS-422 DIP Switch
Connector RS-485
6 9
9 Pins Signal
1 DCD
2 RXD
3 TXD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
9 NC
DB9(Gateway) DB9(Serial Device)
1 DCD 1 DCD
2 RXD 2 RXD
3 TXD 3 TXD
4 DTR 4 DTR
5 GND 5 GND
6 DSR 6 DSR
7 RTS 7 RTS
8 CTS 8 CTS