Extreme Networks Summit X150 Series Hardware Installation Manual page 409

Figure 277: PC-AT Serial Null-modem Cable Pinouts
Switch
Cable connector: 9-pin female
Screen Shell
TxD 3
RxD 2
Ground 5
RTS 7
CTS 8
DSR 6
DCD 1
DTR 4
Summit Family Switches Hardware Installation Guide
PC/Terminal
Cable connector: 25-pin male/female
1 Screen
3 RxD
2 TxD
7 Ground
4 RTS
20 DTR
5 CTS
6 DSR
8 DCD
Console Connector Pinouts
25pin
409