Preface

This guide describes the hardware features of the Cisco Connected Grid Switch (CGS) 2520. It describes the physical and performance characteristics of the switch, explains how to install it, and provides troubleshooting information.

This guide does not describe system messages that you might receive or how to configure your switch. See the switch software configuration guide, the switch command reference, and the switch system message guide on Cisco.com: http://www.cisco.com/go/cgs2520_docs

Conventions

This document uses the following conventions.

Conventions
Indication
bold font
Commands and keywords and user-entered text appear in bold font.
italic font
Document titles, new or emphasized terms, and arguments for which you supply values are in italic font.
[ ]
Elements in square brackets are optional.
{x | y | z }
Required alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ]
Optional alternative keywords are grouped in brackets and separated by vertical bars.
string
A nonquoted set of characters. Do not use quotation marks around the string or the string will include the quotation marks.
courier font
Terminal sessions and information the system displays appear in courier font.
< >
Nonprinting characters such as passwords are in angle brackets.
[ ]
Default responses to system prompts are in square brackets.
!, #
An exclamation point (!) or a pound sign (#) at the beginning of a line of code indicates a comment line.

Note: Means reader take note. Notes contain helpful suggestions or references to material not covered in the manual.

Caution: Means reader be careful. In this situation, you might perform an action that could result in equipment damage or loss of data.

Warning: IMPORTANT SAFETY INSTRUCTIONS

Means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. Use the statement number provided at the end of each warning to locate its translation in the translated safety warnings that accompanied this device.

SAVE THESE INSTRUCTIONS

Regulatory: Provided for additional information and to comply with regulatory and customer requirements.

The safety warnings for this product are translated into several languages in the Regulatory Compliance and Safety Information for the Cisco CGS 2520 that ships with the product on the documentation CD. The EMC regulatory statements are also included in that guide.

Related Publications

http://www.cisco.com/go/cgs2520_docs

Note: Before installing, configuring, or upgrading the switch, see the release notes on Cisco.com for the latest information.

■blank.gif Release Notes for the Cisco CGS 2520

■blank.gif Cisco CGS 2520 Getting Started Guide

■blank.gif Regulatory Compliance and Safety Information for the Cisco CGS 2520

■blank.gif Cisco CGS 2520 Software Configuration Guide

■blank.gif Cisco CGS 2520 Command Reference

■blank.gif Cisco CGS 2520 System Message Guide

■blank.gifInstallation Notes for the Power Supply Modules for the Cisco CGS 2520

Cisco SFP documents:

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

SFP compatibility matrix documents:

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

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Cisco Bug Search Tool

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