Rev. 2 - 01/02
ARCHITECTS' AND ENGINEERS'
The handset station(s) shall be Alpha®/Elvox™ 870W
or 902 series 5-wire handset(s).
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 ABS plastic
finish. Handset(s) shall feature carbon transmitter type
microphone assembly, to allow its use in new or retro-fit
type systems. Handset(s) shall include a door release
(KEY SYMBOL) button and auxiliary (LAMP SYM-
BOL) push button. Push buttons shall be clearly visible
and shall be permanently marked in a debossed fashion.
Handset(s) shall include a built-in AC buzzer for signal-
ing. Handset(s) shall be used with the 931 series ampli-
Contractor shall observe all local and national electrical
Copyright© 1998-2002, Alpha Communications®, All Rights Reserved Elvox is a registered trademark of Paso Sound Products Inc.
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
870W / 902 Series Handsets
The Alpha Communications®™ 870W and 902 Series
handsets are primarily designed to work as an apartment
type handset intercom station. Both models are designed
as 5-wire models.
These attractive handsets easily surface mount right on
the wall or over a single gang flush electrical back box (or
plaster ring). The 902 handsets can be changed to desk
mount with the addition of a model 2/901 desk adaptor.
The 870W and 902 series handsets feature electric buzzer
signalling, carbon transmitter microphones and (2) two
momentary button switches. These switches can be used
for door release, paging or other signalling functions,
depending upon system configuration.
With the addition of a low-cost Model R2007 Alphatone™
chime adaptor, you can easily change the electric buzzer
to a modern warble chime tone sound.