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Cisco 12012 Replacement Instructions Manual

Gigabit switch router dc-input power supply
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Download this manual See also: Instruction and Installation Manual, Replacement Instructions Manual
Doc. No.
78-4330-02
Cisco 12012 Gigabit Switch Router DC-Input
Power Supply Replacement Instructions
Product Number: PWR-GSR12-DC=
Document Order Number: DOC-784330=
This document contains instructions for installing or replacing a DC-input power supply in the
Cisco 12012 Gigabit Switch Router (GSR).
The sections of this document include the following:
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Product Overview

The Cisco 12012 has two card cages; the upper card cage and the lower card cage. (Refer to
Figure 1.) The upper card cage has 12 user-configurable slots available for line cards and a route
processor (RP). One additional slot (rightmost slot) in the upper card cage is non-configurable; it is
reserved for an alarm card. The line cards and the RP are not slot dependent; you can install the line
cards and the RP in any of the first 12 available slots.
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Summary of Contents for Cisco 12012

  • Page 1: Table Of Contents

    Cisco Connection Online, page 19 Product Overview The Cisco 12012 has two card cages; the upper card cage and the lower card cage. (Refer to Figure 1.) The upper card cage has 12 user-configurable slots available for line cards and a route processor (RP).
  • Page 2 The lower card cage, located behind the air filter, has five horizontal slots for switch fabric cards. The Cisco 12012 supports up to two DC-input power supplies in a power supply bay located below the lower card cage. (Refer to Figure 1.) The power supply bay is divided into four positions designated A1, A2, B1, and B2 (from left to right).
  • Page 3 DC power cable bracket Electrical and control line connections between the power supply and the Cisco 12012 backplane are made through a connector located at the back of the power supply. A three-lead terminal block mounted on the power supply faceplate provides connection points for an external circuit breaker alarm circuit.
  • Page 4 Three power lugs—Must be dual-hole with .625-inch (15.86-mm) centers and able to fit over M6 threaded terminals. (Refer to Figure 3.) This type of lug is not available from Cisco Systems; electrical-connector vendors, such as Panduit, provide this type of lug.

  • Page 5: Safety Guidelines

    In addition, review the safety warnings listed in the document Regulatory Compliance and Safety Information for the Cisco 12012 Gigabit Switch Router (Document Number 78-4347-xx) that supports your Cisco 12012 before installing, configuring, or maintaining the router.
  • Page 6 Do not perform any action that creates a potential hazard to people or makes the equipment unsafe. • Carefully examine your work area for possible hazards such as moist floors, ungrounded power extension cables, and missing safety grounds. 6 Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...

  • Page 7: Safety With Electricity

    Follow these basic guidelines when working with any electrical equipment: • Before beginning any procedures requiring access to the interior of the Cisco 12012, locate the emergency power-off switch for the room in which you are working. •...

  • Page 8: Tools And Parts Required

    The replacement DC-input power supply (Product Number PWR-GSR12-DC=) and the DC-input power supply front cover (supplied with the power supply) If you are upgrading your Cisco 12012 with a second DC-input power supply, you must Note supply the source DC power cable and terminal lugs needed to connect source DC power to the DC-input power supply.

  • Page 9: Removing And Replacing A Dc-Input Power Supply

    Removing and Replacing a DC-Input Power Supply Removing and Replacing a DC-Input Power Supply The Cisco 12012 supports up to two DC-input power supplies. In systems with dual power supplies, if one power supply fails, the remaining power supply maintains uninterrupted operation of the router while you replace the defective supply.
  • Page 10 Place your free hand underneath the power supply for support and slide the power supply Step 6 completely out of the bay. Place the power supply face up on the floor in front of you. 10 Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...
  • Page 11 Set the front cover aside. (Refer to Figure 6.) Figure 6 Removing the DC-Input Power Supply Front Cover Standoff Front cover DC-input power supply Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...
  • Page 12 (Refer to Figure 7.) Set the bracket and screws aside. Figure 7 Removing the Power Cable Bracket Standoff Circuit breaker alarm terminal block Power cable bracket Bracket screws Source DC power cable 12 Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...
  • Page 13 Disconnect the leads attached to the circuit breaker alarm terminal block. (Some sites Step 12 might not have an external alarm system for the power supply circuit breaker.) Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...

  • Page 14: Replacing A Power Supply

    Panduit, provide this type of lug. If you are upgrading your Cisco 12012 with a second DC-input power supply, you must remove the two power supply blanks covering the empty power supply bays before installing the power supply.
  • Page 15 Place the power supply front cover so that the keyholes are positioned over the two Step 11 standoff screws on the power supply faceplate. Slide the cover down slightly to engage the two screws and secure it in place by tightening the two screws. Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...
  • Page 16 Removing and Replacing a DC-Input Power Supply If you are upgrading your Cisco 12012 with a second DC-input power supply, you must Step 12 remove the two power supply blanks covering the empty power supply bay slots before installing the power supply. To remove a power supply blank: Loosen the captive screw on the power supply blank faceplate that secures the power supply blank to the card cage assembly.

  • Page 17: Checking The Installation

    When two supplies are installed, each power cable must be connected to a separate 60-amp DC service. Verify that the Cisco 12012 powers up correctly. Visually check that the power supply Step 2 input OK LED goes on and stays on.

  • Page 18: Fcc Class A Compliance

    You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures: •...

  • Page 19: Cisco Connection Online

    FastTrack, the iQ Logo, iQ Net Readiness Scorecard, Networking Academy, ScriptShare, SMARTnet, TransPath, and Voice LAN are trademarks of Cisco Systems, Inc.; Changing the Way We Work, Live, Play, and Learn, Discover All That’s Possible, The Fastest Way to Increase Your Internet Quotient, and iQuick Study are service marks of Cisco Systems, Inc.;...
  • Page 20 Cisco Connection Online 20 Cisco 12012 Gigabit Switch Router DC-Input Power Supply Replacement Instructions...

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