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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
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
The cages of the Cisco ASR 9922 Router chassis have a front-to-rear cooling path. The inlet is at the
front of the middle cage, and the exhaust is at the upper and lower rear.
Figure 2-67 and Figure 2-68 show the cooling path of the Cisco ASR 9922 Router chassis.
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Air exhaust
RSPs and line cards
Room air
Power modules
Fan trays
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Room air
Air exhaust
RSPs and line cards
Power modules