Cisco Systems UBR10-FAN-ASSY=, UBR10-FAN-CAB= manual Scope, Contents, Feature Overview

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Scope

This document includes procedures for installing and removing the fan assembly module that comes with the Cisco uBR10012 universal broadband router. This document also includes technical specifications and troubleshooting information.

Contents

Feature Overview, page 2

Part Numbers and Technical Specifications, page 4

Safety Warnings, page 5

Removing and Replacing the Fan Assembly Module, page 9

Replacing the Fan Assembly Cable, page 11

Troubleshooting the Fan Assembly, page 13

Related Documentation, page 14

Obtaining Documentation, page 14

Obtaining Technical Assistance, page 16

Obtaining Additional Publications and Information, page 17

Feature Overview

The Cisco uBR10012 universal broadband router uses a fan assembly module (Figure 1 on page 3) containing four fans to supply cooling air to the chassis.

The fan assembly is located at the top of the chassis and is connected to the chassis with a blind mate connector that plugs into a cable assembly and then into the chassis backplane.

Four internal fans draw cooling air into the front of the chassis and direct it across the internal components to maintain an acceptable operating temperature. The air is exhausted through openings in the rear of the chassis.

The fan assembly module works at variable speeds:

Low speed (with a clean air filter): approximately 280 cubic feet per minute (cmf)

High speed (with a clean air filter): approximately 450 cmf

The operating speed is determined by the fan assembly module. If the temperature at the fan’s outlet gets to 40°C, then the blower starts to increase the speed of the fans. It does not reach high speed, however, until the temperature at the outlet reaches 50°C.

Three LEDs (System OK, Single Fan Failure, and Multi-Fan Failure) located on the front of the fan assembly indicate the status of the fans (see Table 1 on page 3).

Figure 1 on page 3 shows the fan assembly module.

Cisco uBR10012 Universal Broadband Router Fan Assembly Module

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Contents Date Revision Reason PurposeAudience Scope ContentsFeature Overview LED Status DescriptionPart Numbers and Technical Specifications Description SpecificationsSafety Warnings Bewaar Deze InstructiesAviso Instruções Importantes DE Segurança Warnung Wichtige SicherheitshinweiseAvvertenza Importanti Istruzioni Sulla Sicurezza Spara Dessa Anvisningar Electrical Equipment Guidelines Preventing Electrostatic Discharge DamageRemoving and Replacing the Fan Assembly Module Unpack the Fan Assembly ModuleRemove the Fan Assembly Module FaultReplacing the Fan Assembly Cable Install the Fan Assembly ModuleReplace the Fan Assembly Cable Remove the CableTroubleshooting the Fan Assembly Cisco.com Related DocumentationObtaining Documentation Documentation Feedback Documentation CD-ROMOrdering Documentation TAC Case Priority Definitions Obtaining Technical AssistanceCisco TAC Website Opening a TAC Case Obtaining Additional Publications and Information OL-5093-01