Installation guide

Console Connector Pinouts
Summit Family Switches Hardware Installation Guide
147
Console Connector Pinouts
This section provides connector pinouts for the console port and associated cables.
Table 34 describes the pinouts for a DB-9 console plug connector.
Figure 79 shows the pinouts for a 9-pin to 25-pin (RS-232) null-modem cable.
Figure 79: Null-Modem Cable Pinouts
Table 34: Pinouts for the DB-9 Console Connector
Function Pin Number Direction
DCD (data carrier detect) 1 In
RXD (receive data) 2 In
TXD (transmit data) 3 Out
DTR (data terminal ready) 4 Out
GND (ground) 5 -
DSR (data set ready) 6 In
RTS (request to send) 7 Out
CTS (clear to send) 8 In
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