Installation guide

Common Switch Specifications
Extreme Networks Consolidated "e" and "i" Series Hardware Installation Guide 317
Figure 176 shows the pinouts for a 9-pin to 25-pin (RS-232) null-modem cable.
Figure 176: Null-modem cable pinouts
Figure 177 shows the pinouts for a 9-pin to 9-pin (PC-AT) null-modem serial cable.
Figure 177: PC-AT serial null-modem cable pinouts
GND (ground) 5 -
DSR (data set ready) 6 In
RTS (request to send) 7 Out
CTS (clear to send 8 In
Table 64: Pinouts for the console connector (Continued)
Function Pin Number Direction
Screen
TxD
RxD
Ground
RTS
CTS
DSR
DCD
DTR
Cable connector: 9-pin female
Switch
Cable connector: 25-pin male/female
25pin
PC/Terminal
Screen
RxD
TxD
Ground
RTS
DTR
CTS
DSR
DCD
Shell
3
2
5
7
8
6
1
4
1
3
2
7
4
20
5
6
8
Screen
DTR
TxD
RxD
CTS
Ground
DSR
RTS
DCD
Cable connector: 9-pin female
Switch
Cable connector: 9-pin female
PC-AT Serial Port
Screen
DCD
RxD
TxD
DTR
Ground
DSR
RTS
CTS
Shell
4
3
2
8
5
6
7
1
Shell
1
2
3
4
5
6
7
8
9pin