Alpha IS204TS Specsheet

Product Specification Sheet A PS835 - Rev. 07/2013

IS204TS Intercom Station with 'Listen' Toggle Switch

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Due to co ntinuous pro duct improvement, all colo rs, sizes, materials, finishes and specification s are subject to ch ange without n otice.

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IS204TS (shown with built-in Toggle Switch)

Architects' And Engineers' Specifications

'Universal' master station(s) shall be Alpha Communicat ions®
model IS204TS or approved equal, equipped with
momentary act ion push-butt ons for T ALK, LISTEN, and DOOR
operation. Each push-butt on shall have both English and Universal
Graphic Symbol imprinting, as well as Braille lettering. The mylar
cone speaker/microphone shall be a 2.5" high-sensitivity type
with voic e-frequency response. Screw terminal connec tions shall
be provided for positive wiring termination, as well as two (2)
pigtail wires for connec tion to optional model# ST- FOOT foot
switc h. The design shall allow for connec tion to popular 4- wire
intercom system configurations. T he station shall be molded
of high-impact, flame retardant ABS plastic, in a white finish.

The IS204TS shall be supplied with 2 vertical and 2
horizontal mounting holes, to allow surfac e mounting over a single­gang elect rical box or mounting ring, or over the popular IH101
and/ or IH102 flush housing(s). Four (4) mounting hole plugs shall
be provided for covering t he four (4) mounting holes and t wo
(2) mounting screws (provided).

Contract or shall observe all local and national electrical
and building codes.

IS204TS 'Universal' Master Intercom Station

The Alpha Communicat ions® IS204TS is a universal master
intercom stat ion which combines modern styling with ease of
operation to provide nat ural, clear voice communication and
monitoring of a remote station. The white, high-impac t, ABS
plastic faceplate blends with any decor. The advanced c ircuitry
and versatility permits use in a large variety of
specialized intercom applications.

The design of this st ation allows for c onnection to popular 4-wire
intercom system configurations, with a single model st ation. A
built- in Toggle Switc h enables the stat ion to stay in the 'Listen'
mode. Simply depressing the 'Talk' button, or depressing the
optional model ST- FOOT foot switc h will override the 'Listen'
mode and place the stat ion in 'Talk' mode. The Door butt on is not
usually used for these applications, but it c an be used for another
signaling purpose if needed.

Features

Surface mounting or mounts over flush housing
Simple, push butt on operation
Easy installation
Design allows use on 4- wire systems
Clear voice-quality with long-life Mylar Speaker
Built-in 'Listen' mode Toggle Switch
English and international (graphic) symbols
Braille lettering on fac eplate

Specifications

Dimensions:

Height: 7.00" (178mm)
Width: 5.00" (127mm)
Projects: 1.00" (26mm) from mounting
surface

Finish: Durable, high-impac t ABS plast ic.

Controls:

Individually replaceable type push buttons
with self- wiping contact s. Identified for
TALK, LISTEN, and DOOR functions.

Speaker/Mic:

2.50" (62.5mm) mylar c one with voice
response. Also used for elect ronic tone
signal.

Connection:

Screw terminals standard and two (2) pigtail
wires for optional foot switc h c onnection.

Housing:

Surface mounts over single gang elect rical
box or mounting ring, or right on the wall, or
over the IH101 and/or IH102 flush
housing(s).