User`s manual

NPort Server User’s Manual

C-4

CN20040 - RJ45 to Male DB25 RS-232 Cable Pinouts

RJ-45 Jack DB25 Male

DCD 1 8 DCD

DSR 2 20 DTR

RTS 3 5 CTS

GND 4/7 7 GND

TxD 5 3 RxD

RxD 6 2 TxD

CTS 8 4 RTS

DTR 9 6 DSR

DTR 20

2 TxD

3 RxD

4 RTS

5 CTS

6 DSR

7 GND

8 DCD