Switch Technical Specifications
Figure 175: 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
Figure 176 shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.
Figure 176: PC-AT serial null-modem cable pinouts
Switch
Cable connector: 9-pin female
Screen
Shell
DTR
4
TxD
3
RxD
2
CTS
8
Ground
5
DSR
6
RTS
7
DCD
1
320
PC/Terminal
Cable connector: 25-pin male/female
1
Screen
3
RxD
TxD
2
7
Ground
4
RTS
20
DTR
5
CTS
6
DSR
8
DCD
PC-AT Serial Port
Cable connector: 9-pin female
Shell
Screen
1
DCD
2
RxD
3
TxD
4
DTR
5
Ground
6
DSR
7
RTS
8
CTS
Extreme Networks Consolidated "i" and "e" Series Hardware Installation Guide
25pin
9pin