Cisco 4000-M Replacement Manual

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Contents

1Doc. No.Cisco Systems, Inc.All rights reserved.170 West Tasman DriveSan Jose, CA 95134-1706USACisco Systems, Inc.Corporate HeadquartersCopyright © 1996Replacing the Cisco 4000 Series Power SupplyCisco Product Number: PWR-4X00-AC=, PWR-4X00-DC=This document contains instructions for replacing AC and DC power supplies in Cisco 4000 seriesrouters.This document is for the power supply installer, who should be familiar with electronic circuitry andwiring practices and have experience as an electronic or electromechanical technician.If you have a Cisco 4000-M, Cisco 4500-M, or Cisco 4700-M router, use this document withthe Cisco 4000 Series Installation Guide and the Cisco 4000 Series Public Network Certificationdocument that shipped with your router. If you have a Cisco 4000 router, refer to the Cisco 4000Hardware Installation and Maintenance publication. If you have a Cisco 4500 or Cisco 4700 router,refer to the Cisco 4000 Series Hardware Installation and Maintenance publication.This document contains the following sections, including step-by-step procedures for replacing aCisco 4000 series power supply:• Overview of the Cisco 4000 Series Power Supplies• Safety Recommendations• Safety with Electricity• Tools and Equipment Required• Accessing the Power Supply• Removing AC and DC Power Supplies• Replacing AC and DC Power Supplies• Replacing the Component Tray• Replacing Connections to the Router78-3504-01