Cisco 6509 - Catalyst Chassis Switch Installation Manual page 98

Chapter 2 Preparing for Installation
Site Requirements
Figure 2-9 Catalyst 6509-NEB-A Switch Internal Airflow
Module air
exhaust
Fan
assemblies
Power supply
air exhaust
Module
POWE R SUPP LY 1
air inlet
POWE R SUPP LY 2
Power supply o
o
air inlet
INPUT
FAN OUTPUT
OK
OK FAIL
INPUT FAN
OUTPUT
OK OK
FAIL
Catalyst 6500 Series Switches Installation Guide
2-18
OL-5781-04