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Doc. No.
78-1455-02
600W DC-Input Power Supply
Replacement Instructions
Product Numbers: PWR-7010-DC= and PWR/5-DC=
This document contains instructions for replacing the 600W, direct current (DC)–input power supply
which is a available as a spare part for the Cisco 7010 and Cisco 7505 router.
Note
used.
The sections in this document include the following:
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Copyright © 1995
Cisco Systems, Inc.
All rights reserved.
When referring to both the Cisco 7010 and Cisco 7505 chassis, the term the chassis will be
Product Overview, page 2
Prerequisites, page 4
Prerequisites, page 4
Power Supply Replacement, page 6
Cisco Information Online, page 14
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Table of Contents
Related Manuals for Cisco PWR-7010-DC
Summary of Contents for Cisco PWR-7010-DC
- Page 1 This document contains instructions for replacing the 600W, direct current (DC)–input power supply which is a available as a spare part for the Cisco 7010 and Cisco 7505 router. When referring to both the Cisco 7010 and Cisco 7505 chassis, the term the chassis will be Note used.
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Page 2: Product Overview
Cisco 7010 with the DC-Input Power Supply (Terminal Block Cover Removed) DC-input power supply For the procedures in this publication, the Cisco 7010 and Cisco 7505 chassis are functionally Note the same. The DC-input power supply delivers DC power to the internal components through a wiring harness that plugs into a polarized receptacle on the noninterface processor side of the backplane. - Page 3 Product Overview Figure 2 DC-Input Power Supply (Terminal Block Cover Removed) On/Off Terminal DC-input DC OK LED block switch power supply If the DC source power or any of the internal DC voltages exceeds allowable tolerances, the DC OK LED goes off and the system environmental monitor messages indicate the line that is out of tolerance.
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Page 4: Safety Guidelines
Prerequisites Prerequisites Before you begin this installation, review the safety guidelines in this section to avoid injuring yourself or damaging the equipment. This section also discusses ESD prevention guidelines and provides a list of the tools that you need to perform this replacement. Safety Guidelines When working with any electrical equipment, the following guidelines will help to ensure your safety and protect the equipment. -
Page 5: Preventing Electrostatic Discharge Damage
Prerequisites Preventing Electrostatic Discharge Damage Electrostatic discharge (ESD) damage, which can occur when electronic boards or components are handled improperly, can result in complete or intermittent failures. The RP, SP (or SSP), and interface processors each comprise a printed circuit board that is fixed in a metal carrier. EMI shielding, connectors, and a handle are integral components of the carrier. -
Page 6: Power Supply Replacement
Power Supply Replacement Refer to the Cisco 7010 Hardware Installation and Maintenance or Cisco 7505 Hardware Installation and Maintenance publications for the tools you will need and descriptions of the rack mounting hardware. Power Supply Replacement To access the power supply, you must remove the chassis cover panel and expose the chassis interior. - Page 7 Power Supply Replacement Figure 3 Removing and Replacing the Chassis Cover Panel Captive screws Pull the top of the panel out about three inches, then grasp the sides of the panel and pull it Step 3 up and away from the chassis. To replace the cover panel, hold the sides of the panel with both hands and tilt the top of Step 4 the panel back slightly (toward you).
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Page 8: Replacing The Power Supply
Power Supply Replacement Replacing the Power Supply You must remove the power harness cover and disconnect the power harness from the backplane receptacle before you can remove the power supply. A single M3 Phillips screw secures the power harness cover to the backplane cover. To remove the power supply, you will remove the two M4 Phillips screws that secure the power supply ears to the chassis frame. - Page 9 Power Supply Replacement Figure 4 Removing and Replacing the Terminal Block Cover and Power Cable Leads Caution: Do not strain the conection at the terminal block — — -48/-60V -48/-60V 20/16A 20/16A Terminal block cover and captive screws — -48/-60V 20/16A Ground terminal...
- Page 10 Power Supply Replacement Holding the cover with one hand, tilt the top of the cover back toward you, then pull it up Step 7 slightly so that the tab clears the slot in the chassis floor. When the tab clears the slot, pull the cover straight back OFF the harness and out of the Step 8 chassis.
- Page 11 Power Supply Replacement Figure 6 Removing and Replacing the Power Supply and Harness Cover Power supply ears Power harness Phillips screws (2 places) Backplane power receptacle Removing/replacing power supply Handling the power supply Caution To prevent damaging the power wires, disconnect the power harness by pulling on the connector plug;...
- Page 12 Power Supply Replacement Replacing the Power Supply and Power Harness Cover Follow these steps to remove the power harness cover and power supply. You will need a number 2 Phillips screwdriver. The installation must comply with the 1993 National Electrical Code and other applicable Note codes.
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Page 13: Checking The Installation
Power Supply Replacement If you removed the ground wire, reattach it now. (See Figure 4d on page 9.) Step 12 Tighten the captive screws on the terminal block cover. (See Figure 4a on page 9.) Step 13 Warning To prevent a short-circuit or shock hazard after wiring the DC-input power supply, replace the terminal block cover. -
Page 14: Cisco Information Online
LAN/X.25, Point and Click Internetworking, SMARTnet, SynchroniCD, The Packet, UniverCD, WNIC, Workgroup Director, Workgroup Stack, and XCI are trademarks; Access by Cisco and Bringing the power of internetworking to everyone are service marks; and Cisco, Cisco Systems, the Cisco logo, EtherSwitch, and Kalpana are registered trademarks of Cisco Systems, Inc. All other trademarks, service marks, registered trademarks, or registered service marks mentioned in this document are the property of their respective owners.