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Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
OL-17501-09
Chapter 2 Functional Description
Cooling System Functional Description
The Cisco ASR 9006 Router chassis has a side-to-top to rear cooling path. The inlet is at the right side
of the chassis, and the exhaust is at the upper rear.
Figure 2-65
shows the cooling path of the Cisco ASR 9006 Router chassis.
Figure 2-65
Cisco ASR 9006 Router Chassis Cooling Path
The Cisco ASR 9904 Router has a side-to-side cooling path. The inlet is at the right side of the cage, and
the exhaust is at the left side.
Figure 2-66
shows the cooling path of the Cisco ASR 9904 Router chassis.
Figure 2-66
Cisco ASR 9904 Router Chassis Cooling Path
243379
Air exhaust
RSPs and line cards
Room air
Power modules
Fan trays
351295
Room air
Air exhaust
RSPs and line cards
Power modules
