Understanding Redundant Cooling System Components ! 535
Chapter 39: Monitoring Redundant Cooling System Components
Figure 221: T320 Router Cooling System and Airflow
The cooling system has redundant components, which are controlled by the host
subsystem. If one of the fans fails, the host subsystem increases the speed of the
remaining fans to provide sufficient cooling for the router indefinitely.
Side view
Front view
2003
Rear
Rear view
Air intake
Left
Right
Air exhaust
Card cage
Air intake cover
Air flow (front boards) Air flow (front boards)Air flow (back boards)
Fan tray
Fan tray
Front
Card cage
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