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Cisco 3825 Series Installation And Upgrades

Cisco 3825 Series Installation And Upgrades

Installing and upgrading fans inside routers
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Installing and Upgrading Fans in the Cisco 3825

Series Routers

This document describes how to install or upgrade fans inside your Cisco 3825 series router.
This document is intended for the fan installer who is familiar with electronic circuitry and wiring
practices and has experience as an electronic or electromechanical technician.
Use this document in conjunction with the following documents:
Note
Cisco 3800 Series Hardware Installation guide:
•
http://www.cisco.com/en/US/docs/routers/access/3800/hardware/installation/guide/hw.html
Cisco 2800 Series and Cisco 3800 Series Integrated Services Routers Regulatory Compliance and
•
Safety Information document:
http://www.cisco.com/en/US/docs/routers/access/2800/hardware/rcsi/2838rcsi.html
If you have questions or need help, see the
Guidelines" section on page
This document contains the following sections:
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Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA
© 2010 Cisco Systems, Inc. All rights reserved.
"Obtaining Documentation, Obtaining Support, and Security
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  • Page 1: Table Of Contents

    Installing and Upgrading Fans in the Cisco 3825 Series Routers This document describes how to install or upgrade fans inside your Cisco 3825 series router. This document is intended for the fan installer who is familiar with electronic circuitry and wiring practices and has experience as an electronic or electromechanical technician.

  • Page 2: Safety Warnings And Guidelines

    Safety Warnings and Guidelines Safety Warnings and Guidelines This section provides the safety warnings and guidelines for working with the Cisco 3825 series router. It contains the following sections: Safety Warnings, page 2 • Safety Guidelines, page 9 • Safety with Electricity, page 9 •...
  • Page 3 üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden. BEWAHREN SIE DIESE HINWEISE GUT AUF. Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 4 Använd det nummer som finns i slutet av varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna anordning. SPARA DESSA ANVISNINGAR Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 5 Safety Warnings and Guidelines Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 6 Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de oversatte advarsler, der fulgte med denne enhed. GEM DISSE ANVISNINGER Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 7 Safety Warnings and Guidelines Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 8 DC units. Statement 12 Warning When installing the unit, always make the ground connection first and disconnect it last. Statement 42 Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...

  • Page 9: Safety Guidelines

    Look carefully for possible hazards in your work area, such as moist floors, ungrounded power • extension cables, and missing safety grounds. Never assume that power is disconnected from a circuit. Always check. • 78-18642-01B0 Safety Warnings and Guidelines Installing and Upgrading Fans in the Cisco 3825 Series Routers...

  • Page 10: Items In The Fan Replacement Kit

    Additional replacement screws (a few extra screws are provided in case you misplace the original • screws) Installing and Upgrading Fans in the Cisco 3825 Series Routers document (this document) • Required Tools and Equipment Installation might require some tools and equipment that are not provided as standard equipment with the router.

  • Page 11: Location Of The Cisco 3825 Router Fans

    Cisco 3825 router. The Cisco 3825 routers contain three fans, which are connected together as one unit. Figure 1 Fan Unit Location in the Cisco 3825 Router Location of the fan unit Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...

  • Page 12: Upgrading The Cisco 3825 Fan Unit

    2 Phillips screwdriver. Step 4 Place the router on a flat surface. Remove the two screws from the top of the router and set them aside in a safe place. Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 13 27x 9x 26x 8x -48 V GE 0 10/ 100 100 0 21x 3x Bas e-T 20x 2x Installing and Upgrading Fans in the Cisco 3825 Series Routers Upgrading the Cisco 3825 Fan Unit Figure Remove cover from router chassis Figure...
  • Page 14 Locate the three fan connectors on the motherboard and remove them by lifting the connector away from Step 1 the receptacle, as shown in Figure Figure 3 Lifting the Connector from the Receptacle Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 15 Fan mounting screws on the side of the chassis 78-18642-01B0 Removing Screws Holding the Top of the Fan Unit Removing Fan Mounting Screws from the Side of the Chassis Installing and Upgrading Fans in the Cisco 3825 Series Routers Upgrading the Cisco 3825 Fan Unit Figure Figure...
  • Page 16 Note Before you begin, read the safety warnings as described in the on page Installing and Upgrading Fans in the Cisco 3825 Series Routers Removing Fan Mounting Screws from the Front of the Chassis Figure “Safety Warnings and Guidelines” section...
  • Page 17 Reinstall the two screws on the top of the fan unit. (See Step 7 78-18642-01B0 Attaching Fan Cable to the J Connectors Installing and Upgrading Fans in the Cisco 3825 Series Routers Upgrading the Cisco 3825 Fan Unit Figure Fan 1 to J4 connector...

  • Page 18: Obtaining Documentation, Obtaining Support, And Security Guidelines

    Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at: http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html Installing and Upgrading Fans in the Cisco 3825 Series Routers “Safety Warnings and Guidelines” section 78-18642-01B0...
  • Page 19 Obtaining Documentation, Obtaining Support, and Security Guidelines Installing and Upgrading Fans in the Cisco 3825 Series Routers 78-18642-01B0...
  • Page 20 Obtaining Documentation, Obtaining Support, and Security Guidelines Cisco and the Cisco Logo are trademarks of Cisco Systems, Inc. and/or its affiliates in the U.S. and other countries. A listing of Cisco's trademarks can be found at www.cisco.com/go/trademarks. Third party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company.

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