Rev. 2 - 02/09
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ARCHITECTS' AND ENGINEERS'
The heavy duty industrial master station(s) shall be Alpha
Communications®/Ring model AA906 or approved equiva-
lent. Master(s) shall have clear two-way communications.
Master(s) shall be both dust and splash resistant. It shall be
cast in silumin alloy and sprayed in olive green hardened
lacquer finish. The station's one-piece rubber keyboard shall
be protected by a stainless steel faceplate with call-warning
lamp. Two (2) sealed nipples shall be provided for cable entry
at the base of the station and master(s) shall require simple
home-run wiring. Master(s) shall be surface wall mounted.
Master(s) may be used directly outdoors and are designed to
operate in a temperature range of minus 20 degrees to plus 50
degrees Celsius. Master(s) may be used with the optional
(model GD519) privacy handset, for confidentiality or
softspeaking, where 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.
AA906 Heavy Duty
The AA906 heavy duty industrial master stations are designed
for internal or external use and is both dust and splash resistant.
It is cast in silumin alloy, sprayed in olive green hardened
lacquer finish. The station's one-piece rubber keyboard is
protected by a stainless steel faceplate with call-warning lamp.
Two (2) sealed nipples are provided for cable entry at the base
of the station.
The AA906 provides for either handset or loudspeaking use,