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

Console Port

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Specifications

This appendix provides cable and technical specifications for the Catalyst 4900M
switches.
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 Console Port Pinouts
Pin Signal
1 RTS
2 DTR
3 TXD
4 GND
5 GND
6 RXD
7 DSR
8 CTS
A P P E N D I X
Table A-1
Direction Description
output request to send
output data terminal ready
output transmit data
— —
— —
input receive data
input data set ready
input clear to send
Cisco Catalyst 4900M Switch Installation Guide
A
lists the console port pinouts.
A-1