ix
Catalyst 4948E and Catalyst 4948E-F Switch Installation Guide
OL-21561-02
Preface
This preface describes the audience, organization, and conventions of the Catalyst 4948E and
Catalyst 4948E-F Switch Installation Guide and provides information on how to obtain related
documentation.

Audience

Only trained and qualified service personnel (as defined in IEC60950-1 and AZ/NZS 60950-1) should
install, replace, or service the equipment.

Organization

This guide is organized as follows:
Chapter Title Description
Chapter 1 Product Overview Describes the hardware features, specifications, and
functionality of the Catalyst 4948E and
Catalyst 4948E-F switches.
Chapter 2 Preparing for
Installation
Describes how to prepare your site for the installation of
the Catalyst 4948E and Catalyst 4948E-F switches.
Chapter 3 Installing the Switch Describes how to rack-mount the Catalyst 4948E and the
Catalyst 4948E-F switches and attach the cables.
Chapter 4 Removal and
Replacement
Procedures
Describes how to remove and install the field replaceable
units on the Catalyst 4948E and Catalyst 4948E-F
switches.
Appendix A Power Supply
Specifications
Lists the switch system specifications.
Appendix B Transceiver, Chassis
Connectors, and Cable
and Adapter
Specifications
Describes the SFP and SFP+ transceivers, the chassis
connectors, and the cables and adapters supplied with the
Catalyst 4948E and Catalyst 4948E-F switches.