Catalyst 8510CSR, and 8540CSR Switches Console Port Pinouts
Related Information
Introduction
This document focuses on using the default parameters for connecting and configuring management
terminals. The switches covered in this document are the Catalyst 1900, 2820, 2900, 3500, 2940, 2950,
2970, 3550, 2948G-L3, 4000/4500, 4840G, 4908G-L3, 5000/5500, 6000/6500, and 8500 series switches.
For more information on using different connection speeds, cables, or devices, see the Hardware and
Installation Guide for your Catalyst series switch.
Before You Begin
Conventions
For more information on document conventions, see the Cisco Technical Tips Conventions.
Prerequisites
There are no specific prerequisites for this document.
Identifying a Rollover Cable, Straight-through, and Crossover Cable
The information in this document is based on the software and hardware versions below.
The Catalyst series switches mentioned in this document require the use of either a rollover or
straight-through RJ-45 cable to connect a terminal to the console port depending on the type of
supervisor and other factors. Rollover cables and straight through cables have different pinouts than
crossover cables, which can be used to connect 10/100 base TX ethernet ports together between switches.
To identify the type of cable you are using, refer to RJ-45 Cables or Cabling Guide for Console and AUX
Ports.
The information presented in this document was created from devices in a specific lab environment. All
of the devices used in this document started with a cleared (default) configuration. If you are working in
a live network, ensure that you understand the potential impact of any command before using it.
Connecting a Terminal to Catalyst 1900/2820,
2900/3500XL, 2940, 2950, 2970, 3550, and 3750
Series Switches
Use the supplied rollover cable and the DB-9 adapter to connect a PC to the switch console port. You
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