Data Sheet

Product Specification Sheet APS590 - Rev. 07/2013
DTSM Series Speaker/Microphones (For digital-dial modular door stations)
42 Central Drive • Farmingdale • NY • 11735-1202 • Phone: [phone] • Fax: [phone]
TOLL-FREE: [phone] • Web: AlphaCommunications.com • Email: [e-mail]
Copyright© 1998-2014 Alpha Communications® - All Rights Reserved.
Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.
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Model DTSMT Speaker/Microphone
Shown in Titanium Finish
Architects' And Engineers' Specifications
Speaker/microphone module(s) shall be Alpha Communications® /
S.T.R.™ DTSM (2-wire loop) ReliaBUS™ series or approved equal.
Speaker/microphone module(s) shall snap into the
corresponding MT series modular panel frame(s), and shall be
used with the digital-dial type panel(s) only.
Speaker/microphone module(s) shall be finished in Titanium (suffix-
T), White (suffix-W) or Brown (suffix- B), and shall feature a
weather-resistant speaker, long-life electret condenser
microphone, illuminated dry-contact low voltage light
pushbutton and plug-in connector for easy wiring.
Contractor shall observe all local and national electrical and
building codes.
DTSM Series Speaker/ Microphones for 'Digital' Modular
Series Door Stations
The DTSM series speaker/microphones are designed to be used
with Alpha Communications® / S.T.R.™ digital-dial modular series
door entry stations.
The DTSM series is used with the 2-wire (loop) type ReliaBUS™
apartment handsets (i.e. HT3011, HT2011) only.
All DTSM speaker/microphone modules feature a weather-resistant
speaker, long-life electret condenser microphone, illuminated dry-
contact low voltage light push-button and plug-in connector
for easy wiring.
All DTSM speaker/microphone modules are available in three (3)
finishes; Titanium (suffix-T), White (suffix-W) or Brown (suffix-B).
All DTSM speaker/microphone modules are 3.94"w x 3.94"h (100mm
x 100mm), and are made to snap into the MT series modular panel
trim frame(s).
To service the DTSM series modules, once installed, use the model
13510 key / tool unit for installation and servicing if needed.