Slot Fillers; Chassis Air Filter; Figure 2-73 Cisco Asr 9010 Router Chassis Air Filter - Cisco ASR 9001-S Overview And Reference Manual

Cooling System Functional Description

Slot Fillers

To maintain optimum cooling performance in the chassis and at the slot level, unused slots must be filled
with card blanks or flow restrictors. These slot fillers are simple sheet metal only and are not active.
Software cannot detect their presence.

Chassis Air Filter

The chassis air filters in the Cisco ASR 9000 Series Routers are NEBS compliant. The filter is not
serviceable but is a field replaceable unit. Replacing the filter does not interrupt service.
In the Cisco ASR 9010 Router, a chassis air filter is located underneath the fan trays (see
Figure 2-73
Cisco ASR 9000 Series Aggregation Services Router Overview and Reference Guide
2-80
Cisco ASR 9010 Router Chassis Air Filter
Chapter 2 Functional Description
Figure 2-73).
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