Rev. 6 - 02/09
ARCHITECTS' AND ENGINEERS'
The intercom system shall be Alpha Communications®/ Elvox™
142 series, or approved equal. At the master location contractor shall
furnish and install one (1) model 142/xxx (xxx=number of lamps in
multiples of 10 up to 60 stations or multiples of 20 for larger masters)
switchboard station. Master station shall have built-in system
amplifier, lamp annunciators, call-down signal, momentary call-up
push-button, and privacy handset. All selector switches shall be
supplied with (AN-001) custom annunciator markings, protected by
plastic lens caps. At each remote location contractor shall furnish
and install one model HT3009/2W White handset (or model
HT2009/2WH or model 8870).
Wiring to remote handsets shall be #22AWG (up to 2,000 feet) with
1-common and 1-selective wire per remote handset location.
Contractor shall furnish and install one (1) model 936 power supply.
Contractor shall observe all local and national electrical and building
codes and shall wire system as per manufacturer.
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142 Series Annunciator
The Alpha Communications®/Elvox™ 142 series intercom
system is an internal intercom switchboard system that can be
used in Luxury Apartment Buildings, Dormitories, Health Care
Facilities, Elevators, Hotels, Motels, Schools, Offices, Bowling
Alleys and Supermarkets. The 142 series is an advanced
system, with individual lamp annunciation, conversation pri-
vacy, and large remote handset capacity. Models above 60
stations incorporate a 'station multiplier' feature, that allows the
amount of station selector switches to be reduced by half. This