Rev. 1 - 07/98
ARCHITECTS' AND ENGINEERS'
The handset station(s) shall be Alpha®/Elvox™ 851/001
handset or approved equal. Up to 40 total handsets may be
used per system with a maximum of four (4) simultaneous
(private) talk paths (links).
Handset(s) shall be surface wall mounted, directly on the
wall or over a single gang electrical 'gem' box. Handset(s)
shall be finished in a White/Black ABS plastic finish.
Handset(s) shall include pushbuttons marked 1-10 and A-D
for handset to handset signaling, and a paging and door
release button switch. Push button markings shall be clearly
visible and shall be marked directly onto the pushbuttons.
Handset(s) shall include a built-in audible signal for handset
to handset signaling. Handset(s) shall be used with the 856/
800 or 857/800 series amplifier/power supply.
Contractor shall observe all local and national electrical
and building codes.
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851/001 Series Handset
The Alpha®/S.T.R.™ 851/001 Series handsets are pri-
marily designed to work as an office type handset inter-
com station, where up to 40 master handsets can selec-
tively call each other, in complete privacy. Each system
can have up to four (4) simultaneous talk paths (links).
These attractive handsets easily surface mount right on
the wall or over a single gang flush electrical back box (or
plaster ring). The 851/001 handsets can be changed to
desk mount with the addition of a model 2/805 desk
The 851/001 series handsets feature handset to handset
signaling and 16 selective button switches for handset to
handset signaling, and optional paging and door release.
With the addition of a low-cost 2/850 call ad