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Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
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Chapter 2 Functional Description
Cooling System Functional Description
The Cisco ASR 9912 Router has three air filters on the RP/FC card cage (see Figure 2-77). The center
air filter covers the front of the FC cards. The side air filters cover the RP cards.
Figure 2-77 Cisco ASR 9912 Router Chassis Air Filters
Figure 2-78 shows how to replace the foam media inside the center air filter.
Figure 2-78 Cisco ASR 9922 Router Chassis Center Air Filter
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