Extreme x250e-24t Installation Instruction
Technical Specifications
Summit Family Switches Hardware Installation Guide
212
Console Connector Pinouts
This section provides connector pinouts for the console port and associated cables.
shows the pinouts for a 9-pin to 25-pin (RS-232) null-modem cable.
Figure 131: Null-Modem Cable Pinouts
Table 42: 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