Preface


Purpose

This guide describes the Cisco CGS 2520 switch-specific system messages that you might encounter. For a complete list of Cisco IOS system error messages, see the Cisco IOS Software System Error Messages, Cisco IOS Release 12.2.

This guide does not describe how to install your switch or how to configure software features on your switch. It also does not provide detailed information about commands that have been created or changed for use by the switch. For hardware installation information, see the hardware installation guide that shipped with your switch. For software information, see the software configuration guide and the command reference for this release.

For documentation updates, see the release notes for this release.

Conventions

This publication uses these conventions to convey instructions and information:

Command descriptions use these conventions:

Commands and keywords are in boldface text.

Arguments for which you supply values are in italic.

Square brackets ([ ]) mean optional elements.

Braces ({ }) group required choices, and vertical bars ( | ) separate the alternative elements.

Braces and vertical bars within square brackets ([{ | }]) mean a required choice within an optional element.

Interactive examples use these conventions:

Terminal sessions and system displays are in screen font.

Information you enter is in boldface screen font.

Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).

Notes use this convention and symbol:


Note Means reader take note. Notes contain helpful suggestions or references to materials not in this manual.


Related Publications

Cisco CGS 2520 switch information site: http://www.cisco.com/go/cgs2520_docs


NoteFor initial configuration information, see the "Using Express Setup" chapter in the getting started guide or the "Configuring the Switch with the CLI-Based Setup Program" appendix in the hardware installation guide.

For device manager requirements, see the "System Requirements" section in the release notes on Cisco.com.

For Network Assistant requirements, see the Getting Started with Cisco Network Assistant on Cisco.com.

For upgrade information, see the "Downloading Software" section in the release notes.


See these documents for other information about the switch:

Release Notes for the Cisco CGS 2520

Cisco CGS 2520 Software Configuration Guide

Cisco CGS 2520 Command Reference

Cisco CGS 2520 Hardware Installation Guide

Cisco CGS 2520 Getting Started Guide

Regulatory Compliance and Safety Information for the Cisco CGS 2520

Installation Notes for the Power Supply Modules for the Cisco CGS 2520

Getting Started with Cisco Network Assistant

Release Notes for Cisco Network Assistant

For information about the Network Admission Control (NAC) features, see the Network Admission Control Software Configuration Guide

SFP Module Installation Notes:

http://www.cisco.com/en/US/products/hw/modules/ps5455/prod_installation_guides_list.html

Cisco Small Form-Factor Pluggable Modules Installation Notes

Cisco CWDM GBIC and CWDM SFP Installation Note

Compatibility matrix documents:

http://www.cisco.com/en/US/products/hw/modules/ps5455/products_device_support_tables_list.html

Cisco Gigabit Ethernet Transceiver Modules Compatibility Matrix

Compatibility Matrix for 1000BASE-T Small Form-Factor Pluggable Modules

Obtaining Documentation and Submitting a Service Request

For information on obtaining documentation, submitting a service request, and gathering additional information, see the monthly What's New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:

http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html

Subscribe to the What's New in Cisco Product Documentation as a Really Simple Syndication (RSS) feed and set content to be delivered directly to your desktop using a reader application. The RSS feeds are a free service and Cisco currently supports RSS Version 2.0.