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Doc. No.
78-1898-01
Cisco 7513 Blower Module Assembly
Replacement Instructions
Product Number MAS-7513-FAN=
The blower module assembly for the Cisco 7513 chassis is a spare part that can be replaced in the
field.
This document provides recommendations for correct environmental conditions for the chassis and
troubleshooting recommendations should you suspect a blower failure in your chassis.
This document discusses the procedures required to replace the blower module assembly.
The following topics are discussed:
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Copyright © 1995
Cisco Systems, Inc.
All rights reserved.
Product Overview, page 2
Site Environment, page 4
Blower Shutdown, page 5
Troubleshooting Blower Operation, page 6
show environment Commands, page 7
Installation Safety, ESD Precautions, and Tools Required, page 8
Removing and Replacing the Blower Module, page 9
Cisco Information Online, page 11
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Summary of Contents for Cisco MAS-7513-FAN
- Page 1 Cisco 7513 Blower Module Assembly Replacement Instructions Product Number MAS-7513-FAN= The blower module assembly for the Cisco 7513 chassis is a spare part that can be replaced in the field. This document provides recommendations for correct environmental conditions for the chassis and troubleshooting recommendations should you suspect a blower failure in your chassis.
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Page 2: Product Overview
Product Overview Product Overview The Cisco 7513 system blower is mounted in a module (drawer) located above the card cage on the interface processor end of the chassis. (See Figure 1.) It draws cooling air through the chassis interior to maintain an acceptable operating temperature for the internal components. - Page 3 LEDs (3) Power connector The blower module slides into the top of the Cisco 7513 chassis from the interface processor end of the router. (See Figure 1 and Figure 3.) The blower draws air in through the inlet vents below the chassis card cage, up through the card cage, processor modules, and other internal components, through the blower module, and out through the exhaust vents on the front of the chassis.
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Page 4: Site Environment
100 percent. Although the blower supports quieter operation under normal conditions (approximately 62 dBa), the noise level when the blower is operating at 100-percent capacity is approximately 70 dBa. Therefore, the Cisco 7513 router is best suited for unattended or computer room use. - Page 5 Queued messages: %ENVM-1-SHUTDOWN: Environmental Monitor initiated shutdown For complete command descriptions and instructions, refer to the Router Products Command Reference publication. Cisco 7513 Blower Module Assembly Replacement Instructions...
- Page 6 The preceding message could also indicate a faulty component or temperature sensor. Before the system shuts down, refer to the section “show environment Commands” and use the show environment or show environment table commands to display the internal chassis environment. 6 Cisco 7513 Blower Module Assembly Replacement Instructions...
- Page 7 4.74 5.25 5.52 -12 Voltage -10.15 -10.76 -13.25 -13.86 +24 Voltage 19.06 21.51 26.51 28.87 Shutdown boards at 101C/213F Shutdown power supplies at 101C/213F Temperature ranges and values are subject to change. Note Cisco 7513 Blower Module Assembly Replacement Instructions...
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Page 8: Safety Guidelines
• Never try to lift the chassis by yourself; two people are required to lift the Cisco 7513. • Always disconnect all power cords and interface cables before moving the chassis. -
Page 9: Preventing Electrostatic Discharge Damage
Locate the blower module, which is above the card cage on the noninterface processor end Step 1 of the chassis. (See Figure 4.) Step 2 Use the flat-blade screwdriver to loosen the captive screws that fasten each end of the blower module. (See Figure 4.) Cisco 7513 Blower Module Assembly Replacement Instructions... - Page 10 When the blower is all the way into the chassis opening, tighten the captive installation screws on the front of the blower module. This completes the blower module removal and replacement procedure. 10 Cisco 7513 Blower Module Assembly Replacement Instructions...
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Page 11: Cisco Information Online
LAN/X.25, Point and Click Internetworking, SMARTnet, SynchroniCD, 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. - Page 12 Cisco Information Online 12 Cisco 7513 Blower Module Assembly Replacement Instructions...