Rack-Mounting And Air Flow Clearance Guidelines - Cisco ASR 9001 Hardware Installation Manual
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- Hardware installation manual (114 pages) ,
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Preparing for Installation
See the following section for details on air flow clearance requirements for installation in an enclosed
Note
4-post rack.
Figure 5: Air Flow Path through the Cisco ASR 9001 Router
When selecting a site to install the router, observe these guidelines:
• Dust free area—Site should be as dust free as possible. Dusty environments can clog the power supply
• Unrestricted air flow—Allow sufficient air flow by maintaining a minimum of 6 inches (15.24 cm) of
Rack-Mounting and Air Flow Clearance Guidelines
The router can be mounted in most 2-post, 4-post, or telco-style 19-inch equipment racks that comply with
the Electronics Industries Association (EIA) standard for equipment racks (EIA-310-D). The rack must have
at least two posts with mounting flanges to mount the router chassis. The distance between the center lines
of the mounting holes on the two mounting posts must be 18.31 inches ± 0.06 inch (46.50 cm ± 0.15 cm).
intake vents, reducing the cooling air flow through the router. Clogged filters and vents can cause an
over-temperature condition in the router.
clearance at both the inlet and exhaust openings on the chassis and the power modules. If the air flow
is blocked or restricted, or if the inlet air is too warm, an over-temperature condition can occur within
the router. Under extreme conditions, the environmental monitoring system powers off the router to
protect the components.
Rack-Mounting and Air Flow Clearance Guidelines
Cisco ASR 9001 and Cisco ASR 9001-S Routers Hardware Installation Guide
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Troubleshooting
