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Rev. 1 - 12/06
EM3 Series QwikBUS™
Keypad Module for
Modular Series Door Stations
The EM3 series keypad modules are designed
to be used with Alpha Communications®/
S.T.R.™ QwikBUS™ modular series door
entry stations. When used in conjunction
with the DB3 series display module, the EM3
enables a building visitor to easily find and
dial an apartment code number.
All EM3 keypad modules feature LED illu-
mination and plug-in connector for easy wir-
Each QwikBUS™ system utilizing the EM3
keypad module requires the required system
All EM3 keypad modules and are available in
three (3) finishes; Titanium (suffix-T), White
(suffix-W) or Brown (suffix-B).
All EM3 keypad 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 EM3 series display modules,
once installed, use the model 13510 key /
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
EM3W Keypad Module
(shown in White)
ARCHITECTS' AND ENGINEERS'
Keypad module(s) shall be Alpha Communica-
tions®/S.T.R.™ QwikBUS™ EM3 series or ap-
proved equal. Keypad module(s) shall snap into
the corresponding MT series modular panel
Keypad module(s) shall be finished in Titanium
(suffix-T), White (suffix-W) or Brown (suffix-B),
and shall feature LED illumination and plug-in
connector for easy wiring. The EM3 model shall be
used in conjunction with the DB3 alphabetical
display module, and associated power supplies.
Contractor shall observe all local and national
electrical and building codes.