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Cisco Systems, Inc.
All rights reserved.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
Cisco Systems, Inc.
Corporate Headquarters
Copyright © 1997
Installing Cisco AC and DC Power Supplies in
Cisco 2500 Series Routers
Product Numbers: PWR-2500-AC=, PWR-2500-DC=
This document describes how to replace the AC or DC power supply in Cisco 2500 series routers.
The AC and DC power supplies are spare parts items. The replacement of the power supply requires
removing the existing power supply and installing the replacement power supply. This procedure
does not apply to the Cisco 2517, 2518, or 2519 versions of the Cisco 2500 series routers.
This document includes the following sections:
• Required Tools and Equipment, page 2
• Removing the Cover, page 2
• Removing AC and DC Power Supplies, page 3
• Installing AC and DC Power Supplies, page 5
• Replacing the Cover, page 6
• Obtaining Service and Support, page 11
• Cisco Connection Online, page 11
Warning This waning symbol means danger. You are in a situation that could cause bodily injury.
Before you work on any equipment, you must be aware of the hazards involved with the electrical
circuitry and familiar with standard practices for preventing accidents. (To see translated versions of
this warning, refer to the Regulatory Compliance and Safety Information document that
accompanied the router.)
Warning Only trained and qualified personnel should be allowed to install or replace this
equipment. (To see translated versions of this warning, refer to the Regulatory Compliance and
Safety Information document that accompanied the router.)
78-4144-01