Scientific Atlanta Power Supply Unit - Manual (Page 22)

Installing the Dense QAM Array PSU, Continued
4. Push the unit carefully into the back-plane connector.
5. Close the front cover and tighten the three screws.
CAUTION:
The six fans mounted on the front cover of the chassis assure sufficient cooling
of the system only when the hinged front cover is closed. During operation of
the system the front cover should be closed.
Ascertain that the cooling works properly during the operation of the system.
2-4 Installation 6984278 Rev A