Alcatel-Lucent USA PCS Wireless Base Station Transceiver : User's Manual : Page 28

The 9927 Distributed Base Station Outdoor Cabinet is equipped with the following

features:

• Filter Life Alarm - The cabinet has a pressure sensing alarm that sends an alarm when

more than the normal amount of suction is needed to draw air into the baseband

cabinet.

The interior of the baseband cabinet is held at negative pressure (lower than ambient air

pressure). All openings on the cabinet must be sealed to maintain negative pressure inside

the baseband cabinet when the baseband cabinet is in operation.

Important! Refer to Appendix D, “Guidelines for lifting and moving cabinets ” for

guidelines

regarding

lifting and moving of the cabinet.

Product overview for 9927 Distributed Base Station

Outdoor cabinet

Physical description

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2-12

Alcatel-Lucent – Proprietary

Use pursuant to applicable agreements

9927 Dist BTS Outdoor

401-703-516

Issue 1 March 2012