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Installing AC Power Supplies in Cisco 2691

Routers

Product Numbers: PWR-2691-AC=

This document describes how to replace the AC power supply in a Cisco 2691 router.

This document is intended for the power supply installer, who should be familiar with electronic

circuitry and wiring practices and have experience as an electronic or electromechanical technician. Use

this document in conjunction with the Cisco 2600 Series Hardware Installation Guide and the

Regulatory Compliance and Safety Information document for your router.

If you have questions or need help, refer to the “Obtaining Technical Assistance” section on page 19.

This document contains the following sections:

• Safety Recommendations, page 2

• Overview of Cisco 2691 Power Supplies, page 6

• Required Tools and Equipment, page 6

• Accessing the Power Supply, page 7

• Replacing the Cisco 2691 Power Supply, page 8

• Electrical Connections for Cisco 2691 Routers, page 16

• Troubleshooting, page 17

• Obtaining Documentation, page 18

• Obtaining Technical Assistance, page 19

Warning

Onlytrainedandqualified personnel shouldbeallowedtoinstallorreplacethisequipment.Tosee

translations of the warnings that appear in this publication, refer to the

Regulatory Compliance

and Safety Information

document that accompanied this device.

Warning

Before working on a chassis or working near power supplies, unplug the power cord on AC units.

To see translations of the warnings that appear in this publication, refer to the

Regulatory

Compliance and Safety Information

document that accompanied this device.

Summary of content (20 pages)

PAGE 1
Installing AC Power Supplies in Cisco 2691 Routers Product Numbers: PWR-2691-AC= This document describes how to replace the AC power supply in a Cisco 2691 router. This document is intended for the power supply installer, who should be familiar with electronic circuitry and wiring practices and have experience as an electronic or electromechanical technician.
PAGE 2
Safety Recommendations Warning Before working on a system that has an on/off switch, turn OFF the power and unplug the power cord. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device. Warning Ultimate disposal of this product should be handled according to all national laws and regulations.
PAGE 3
Safety Recommendations Safety with Electricity Warning Before working on equipment that is connected to power lines, remove jewelry (including rings, necklaces, and watches). Metal objects will heat up when connected to power and ground and can cause serious burns or weld the metal object to the terminals. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device.
PAGE 4
Safety Recommendations Safety Regulations Warning Means danger. You are in a situation that could cause bodily injury. Before you work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar with standard practices for preventing accidents. To see translations of the warnings that appear in this publication, refer to the Regulatory Compliance and Safety Information document that accompanied this device. Waarschuwing Dit waarschuwingssymbool betekent gevaar.
PAGE 5
FCC Class A Compliance Advarsel Dette varselsymbolet betyr fare. Du befinner deg i en situasjon som kan føre til personskade. Før du utfører arbeid på utstyr, må du vare oppmerksom på de faremomentene som elektriske kretser innebærer, samt gjøre deg kjent med vanlig praksis når det gjelder å unngå ulykker.
PAGE 6
Required Tools and Equipment Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product. Required Tools and Equipment Installation might require some tools and equipment that are not provided as standard equipment with the router.
PAGE 7
Overview of Cisco 2691 Power Supplies Power Requirements for the Cisco 2691 Router The following power requirements apply to the Cisco 2691 router: Type Cisco 2691 Input voltage, AC power supply 100 to 120, 120V VAC 200 to 240, 230V VAC 47 to 63 Hz 0.93 min.
PAGE 8
Replacing the Cisco 2691 Power Supply Warning Network hazardous voltages are present in the BRI cable. If you detach the BRI cable, detach the end away from the router first to avoid possible electric shock. Network hazardous voltages also are present on the system card in the area of the BRI port (RJ-45 connector), regardless of when power is turned off.
PAGE 9
Replacing the Cisco 2691 Power Supply Figure 3 Removing the Cisco 2691 Cover 2 62482 1 Step 7 Lift the cover completely off and set it aside. When you are ready to replace the cover, see the “Replacing the Router Cover” section on page 14. Removing the Cisco 2691 Power Supply After you remove the cover from the chassis, follow this procedure to remove the power supply: Step 1 Find the Compact Flash memory card located on the side wall of the chassis. (See Figure 4.
PAGE 10
Replacing the Cisco 2691 Power Supply Figure 4 Cisco 2691 Compact Flash Compact Flash memory card 62478 Retention screw Step 2 Remove the Compact Flash memory retention screw and set it aside. (See Figure 4.) Step 3 Lift the Compact Flash memory card up and away from the Compact Flash receptacle and set it aside. (See Figure 4.) Step 4 Find the large power connector on the motherboard and remove it. (See Figure 5.
PAGE 11
Replacing the Cisco 2691 Power Supply Removing the Cisco 2691 Power Connector 62511 Figure 5 Step 5 The Cisco 2691 power supply is held in the chassis by three external mounting screws at the rear of the router. (See Figure 6.) Remove the screws and set them aside. Figure 6 Cisco 2691 Power Supply Mounting Screws Power supply Step 6 62752 Mounting screws Slide the power supply back slightly in the chassis. This disengages the hooks built into the chassis that help secure the power supply.
PAGE 12
Replacing the Cisco 2691 Power Supply Figure 7 Cisco 2691 Power Supply Mounting Hinge (Right) Locked position Power supply latch Hinge 62753 Hinge location Installing AC Power Supplies in Cisco 2691 Routers 12 78-13819-01
PAGE 13
Replacing the Cisco 2691 Power Supply Figure 8 Cisco 2691 Power Supply Mounting Hinge (Left) 62754 Hinge Step 7 Pull the power supply back and lift the power supply out of the chassis. (See Figure 9.
PAGE 14
Replacing the Cisco 2691 Power Supply Cisco 2691 Power Supply Removal 62755 Figure 9 Installing the Cisco 2691 Power Supply Follow these steps to install a power supply in the chassis: Step 1 Place the power supply in the chassis, with the power supply rear panel slightly separated from the chassis rear panel. This position allows the hooks in the chassis to engage the cutouts in the bottom of the power supply. (See Figure 7 and Figure 8.
PAGE 15
Replacing the Cisco 2691 Power Supply Step 2 Hold the cover so the tabs at the rear of the cover are aligned with the chassis bottom. Step 3 Push the cover toward the rear, making sure that the cover tabs fit under the chassis back panel, and the back panel tabs fit under the cover. Step 4 Slide the cover slightly to the left to lock the cover into position (number 1 in Figure 10).
PAGE 16
Electrical Connections for Cisco 2691 Routers Electrical Connections for Cisco 2691 Routers This section explains how to connect the AC power to Cisco 2691 routers. Warning Note Warning This unit is intended for installation in restricted access areas. A restricted access area is where access can only be gained by service personnel through the use of a special tool, lock and key, or other means of security, and is controlled by the authority responsible for the location.
PAGE 17
Troubleshooting Caution Never operate the router unless the unit is completely closed, to ensure adequate cooling. Take the following steps to power on the router: Step 1 Warning Step 2 For routers with AC input, plug the router’s power cord into a three-terminal, single-phase power source that provides power within the acceptable range. This product relies on the building’s installation or power supply for short circuit (overcurrent) protection.
PAGE 18
Obtaining Documentation Obtaining Documentation The following sections explain how to obtain documentation from Cisco Systems. World Wide Web You can access the most current Cisco documentation on the World Wide Web at the following URL: http://www.cisco.com Translated documentation is available at the following URL: http://www.cisco.com/public/countries_languages.
PAGE 19
Obtaining Technical Assistance We appreciate your comments. Obtaining Technical Assistance Cisco provides Cisco.com as a starting point for all technical assistance. Customers and partners can obtain documentation, troubleshooting tips, and sample configurations from online tools by using the Cisco Technical Assistance Center (TAC) Web Site. Cisco.com registered users have complete access to the technical support resources on the Cisco TAC Web Site. Cisco.com Cisco.
PAGE 20
Obtaining Technical Assistance Cisco TAC Web Site The Cisco TAC Web Site allows you to resolve P3 and P4 issues yourself, saving both cost and time. The site provides around-the-clock access to online tools, knowledge bases, and software. To access the Cisco TAC Web Site, go to the following URL: http://www.cisco.com/tac All customers, partners, and resellers who have a valid Cisco services contract have complete access to the technical support resources on the Cisco TAC Web Site.