Alcatel OmniSwitch 7700 Hardware User's Manual page 56

Chassis Airflow
The figure below provides illustrated airflow diagrams for OS7700 switches. See
OS7800 airflow diagram. See
2. Airflow. The air from the
intake vents is directed up
through the chassis' module
compartment and past the NI
and CMM circuit boards.
This airflow
required cooling for the mod-
ules and other chassis com-
ponents.
1. Air Intake. The fan tray
pulls air from the three air
intake vents located at the
bottom of the chassis.
page 2-36
page 2-37 for an airflow diagram describing the chassis' power supply bays.
Chassis Module
Compartment
provides
Air Intake Vents
Airflow for OS7700 Switches
OmniSwitch 7700/7800 Hardware Users Guide
Chassis and Power Supplies
page 2-35 for an
Fan Tray
3. Air Exhaust. The air-
flow is exhausted through
the fan tray at the rear of
the chassis.
April 2005