Rev. 1 - 06/08
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ARCHITECTS' AND ENGINEERS'
The Clean Room Master Station(s) shall be Alpha Com-
munications®/Ring model AA917 or approved equiva-
lent. Master(s) shall feature a protective Antimicrobial
treated front foil frontplate, 10-button keypad, and shall
require simple home-run wiring. Master(s) shall be flush
or surface wall mounted using the appropriate backbox/
housing. Master(s) shall be used with the BBF863 (flush
backbox) or BBS863 (surface back box).
Master(s) shall be designed to be used in hospital type (or
other 'clean' room' )environments, where easy cleaning
and wipe-down sterilization is required.
Master(s) shall be used with the RM5000 and/or CB901
series microprocessor intercom systems.
Contractor shall observe all local and national electrical
and building codes.
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
AA917 Clean Room
The AA917 is designed for normal use as a flush or surface
mounted Master Station for hospitals etc., where easy
cleaning and wipe-down sterilization is required. It is used
with the model BBF863 (flush) or BBS863 (surface) back-
The station's frontplate is fully covered with a thin Anti-
microbial film, protecting the station's loudspeaker and
microphone. The station is specially designed for use in
hospital operating rooms, patient isolation rooms, biologi-
cal laboratories, restaurants and clean room manufactur-
ing, etc. The Antimicrobial film frontplate with speaker and
microphone allows for normal hands-free conversation
with a range of approx. 3-5 meters (10-15 feet). The station's
keyboard consists of 10 numeric dialling keys (DT