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Cisco 12016, Cisco 12416, and Cisco 12816 Router Installation and Configuration Guide
OL-11495-01
Chapter 5 Troubleshooting the Installation
Troubleshooting the Cooling Subsystem
Figure 5-8
Cooling Air Flow
26204
Air exhaust
Upper card cage
Room air
Bottom blower module
Air filter
Air exhaust
Power supply shelf
Middle card cage
Lower card cage
Top blower module
(Plenum)
(Plenum)
Front
Rear