Appendix; Specifications; Console Port - Cisco Catalyst 4900M Installation Manual

Specifications

Revised: January 4, 2012
This appendix provides cable and power supply technical specifications for the Catalyst 4900M
switches.

Console Port

The console port is an RJ-45 receptacle. The Request to Send (RTS) signal tracks the state of the Clear
to Send (CTS) input.
Table A-1
Pin
1
2
3
4
5
6
7
8
Note A console cable is not provided in the accessory kit. It can be ordered as an option.
78-18350-02
Table A-1 lists the console port pinouts.
Console Port Pinouts
Signal Direction
RTS output
DTR output
TXD output
GND —
GND —
RXD input
DSR input
CTS input
A P P E N D I X
Description
request to send
data terminal ready
transmit data
—
—
receive data
data set ready
clear to send
Cisco Catalyst 4900M Switch Installation Guide
A
A-1