Rev. 2 - 02/09
Copyright© 2002-2009, Alpha Communications®, All Rights Reserved
42 Central Drive • Farmingdale NY 11735-1202 • Phone (631) 777-5500 • Fax (631) 777-5599
TOLL-FREE 1-800-666-4800 • Web: www.AlphaCommunications.com • Email: firstname.lastname@example.org
ARCHITECTS' AND ENGINEERS'
The master station(s) shall be Alpha Communications®/
Ring model AA911-F or approved equivalent. Master(s)
shall feature a protective polyester film frontplate, 14-
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 BBF961 (flush backbox) or BBS961 (surface back
Master(s) shall be designed to be used in hospital type
environments, where easy cleaning and wipe-down steril-
ization is required. Master(s) shall permit the connection of
a parallel speaker where additional output is required.
Master(s) shall be used with the RM5000EX and/or CB901
series microprocessor intercom systems.
Contractor shall observe all local and national electrical and
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
AA911-F Master Station
with Polyester Film Frontplate
The AA911-F is designed for normal use as a flush-mounted Master
Station for hospitals etc., where easy cleaning and wipe-down steriliza-
tion is required. It is used with the model BBF961 (flush) or BBS961
The station's metal frontplate is fully covered with a thin polyester film,
protecting the station's loudspeaker and microphone. The keypad is of the
membrane switch type. The station is specially designed for use in
hospital operating rooms etc. The station provides full hands-free voice
controlled (VOX) communication. The Polyester covered frontplate
with speaker and microphone allows for normal hands-free conversation
with a range of approx. 3-5