Extreme Networks 17001 manual PC-AT Serial Null-modem Cable Pinouts Switch PC/Terminal

Figure 184 shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.

Figure 184: PC-AT Serial Null-modem Cable Pinouts

Switch	PC/Terminal
Cable connector: 9-pin female	Cable connector: 25-pin male/female

Screen Shell

TxD 3

RxD 2

Ground 5

RTS 7

CTS 8

DSR 6

DCD 1

DTR 4

1 Screen

3 RxD

2 TxD

7 Ground

4 RTS

20 DTR

5CTS

6DSR

8DCD

25pin

Summit Family Switches Hardware Installation Guide 267