Air Plenum (A9X7-F2B-Air) - Cisco NCS 4216 Manual

Fan Tray

Air Plenum (A9X7-F2B-AIR)

Air Plenum or air baffle assembly is used change the air flow pattern of the unit. When the router is installed
with the plenum, the air flow pattern is changed from side-side to front-back. The air flow front-back pattern
provides a rack installation bay with a cool front zone and hot rear zone. For installing the plenum, see
the Air Plenum (A907-F2B-AIR) in the Rack
When the air plenum and the fan filter are installed in the chassis, the system operating temperature is 55º
Note
C.
Door
The door provides access to the shelf, and acts as a protective panel.
Front Door
The front door of NCS 4216 provides access to the shelf, and fan-tray assembly.
The front door acts as protective panels. The laser warning label is placed on the rear of the chassis.
Cisco NCS 4216 Hardware Installation Guide
8
section.
Cisco NCS 4216 Overview
Installing