Version 6.6 43 October 2014
Installation & Operation Manual 6. Cooling System
6 Cooling System
The Mediant 8000 components are cooled by Fan Tray Modules, FM/8K, located in
front of the chassis, above the board slots. The FM/8K Fan Tray Module draws air in
through a perforated grill at the front bottom of the chassis.
The incoming air passes through a removable filter (located under the front of the card
cage and covered by a perforated grill), whose honeycombed design prevents RF
interference.
The second FM/8K Fan Tray Module provides redundant protection should one
develop a fault.
Figure
6-1: FM/8K Fan Tray Module
6.1 Air Flow
Clean air is drawn in by the fans and passes through the entire set of plug-in front and
rear boards residing in the slots, cooling each one. The air exits the Mediant 8000 via
perforated vents in the chassis.
Blank panels are used to cover all unoccupied slots (as per the customer’s
configuration) on both sides of the chassis. The front blank baffled panels are specially
constructed to allow optimal air flow within the chassis.
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