Connecting a Terminal to Catalyst 2948G-L3,
4908G-L3, and 4840G Series Switches
You may configure the Catalyst switch routers from a direct console connection to the console port or
remotely through its management port.
Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-9 female data terminal equipment (DTE)
adapter (labeled "Terminal") to connect the console port to a PC running terminal emulation
software.
●
If you are using a direct console connection, configure your terminal emulation program for 9600
baud, 8 data bits, no parity, and 1 stop bit.
●
Console Port Pinouts
The console port is an RJ-45 receptacle. Data Terminal Ready (DTR) and Data Set Ready (DSR)
handshake signals are supported. The Request To Send (RTS) signal tracks the state of the Clear To Send
(CTS) signal. Table B-1 lists pinouts for the console port.
Table B-1: Console Port Pinouts
Pin Signal Direction Description
1¹ RTS/CTS Output
Request To Send / Clear To
Send
2 DTR Output Data Terminal Ready
3 TxD Output Transmit Eata
4 SGND Signal Ground
5 SGND Signal Ground
6 RxD Input Receive Data
7 DSR Input Data Set Ready
8¹ RTS/CTS Input
Request To Send / Clear To
Send
¹Pin 1 and pin 8 are connected.
Connecting a Terminal to Catalyst 2926 and 2926G
Series Switches
On the Catalyst 2926 series switch, the console port is located on the Supervisor Engine front panel and
is labeled "CONSOLE," as shown in the figure below.
Figure: Console Port Connector (Catalyst 2926 Series Switch)
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