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Figure 2-4
Air filter assembly
Ambient air
Temperature and Humidity Guidelines
For the operating and nonoperating environmental specifications for the Cisco 12008, refer
to Table 1-11 in Chapter 1. The router operates within the ranges specified in this table;
however, a temperature that approaches a minimum or maximum level indicates a potential
problem. You can maintain normal system operations by anticipating and correcting
environmental anomalies before they approach a critical state.
The environmental monitors built into the Cisco 12008 protect system components from
potential damage from overvoltage and overtemperature conditions. To ensure normal
operations and avoid unnecessary maintenance, plan and prepare your site properly before
installing the router.
Internal Air Flow of the Cisco—Side View
Top
Front
Card cage
fans
Power supply fans
Bottom
Site Requirements Guidelines
Exhaust air
Upper
Rear
card cage
Lower
card cage
Preparing for Installation 2-13
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Table of Contents
Troubleshooting
