Rev. 1 - 11/97
Copyright© 1997-2000, 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: email@example.com
ARCHITECTS' AND ENGINEERS'
The intercom system (kit) shall be Alpha Communica-
tions® Duo-Com™ model SM202K or approved equal.
Master station shall be surface mount and shall include a
built-in voice amplifier, electronic chime signal and mo-
mentary electric door release push-button. Master shall be
powered by 4- 'C' batteries (supplied by the customer) or
an optional model SS6C plug-in power supply. Outdoor
remote station, supplied in the kit, shall be the model
OR202. Kit shall be provided with 10 meters (33 feet) of
2 conductor wire from the master to the remote.
Where required, the outdoor remote shall be protected
from vandalism with the addition of a model CP202SS
Stainless Steel cover plate assembly.
Contractor shall furnish and install a (compatible) electric
door release, and related door release power supply, if
Contractor shall observe all local and national electrical
and building codes.
The Alpha Communications® SM202K (Duo-Com™) inter-
com kit is our most economical master/remote intercom for door
entry or any other application requiring a single master and a
single remote intercom station.
The master station has a built-in amplifier and electronic chime.
It easily mounts right on the surface of the wall and can directly
replace an existing door chime or door bell, on the existing 2-
wires! A built-in momentary door release button allows hook-
up to your own low voltage door opener (depending upon
transformer used). The outdoor remote station is fully enclosed,
surface mounts directly on the wall, and requires only 2 wires.
The optional PK407A door opener relay allows connection to
other voltages and types of doo