Rev. 1 - 04/02
Apartment Intercom Station
The Alpha Communications® IR104C/LED Apartment Sta-
tion combines modern styling with ease of operation to
provide natural, clear voice communication and positive
door release operation. Each button has three labels explain-
ing its function, an English word and a graphic symbol, as
well as Braille symbols. Advanced circuitry and versatility
permits use in large or small buildings, with one or with
An LED within the DOOR button illuminates whenever the
building entrance is open or ajar. A wide variety of optional
accessories is available to provide additional functions such
as multiple entrance operation, post office door release,
security alarm, etc.
Simple, push button operation
• Door Ajar RED LED Indicator
• Advanced design
• Clear voice-quality
English and international (graphic) symbols
(38mm) into wall
Durable, high-impact ABS plastic, flame
retardant, fog white ABS plastic.
Individually replaced push buttons
with self-wiping contacts. Identified (with
word and symbol) for TALK, LISTEN,
3.50" (89mm) with voice response. Also
used for electronic tone signal.
Positive screw terminals provided
IH102 (flush mounting ring) or IH101
(flush mounting box) or IH700W (surface
mounting box) or IH400A (desk cabinet).
Due to continuous product improvement, all colors, sizes, materials,
finishes and specifications are subject to change without notice.
(shown with DOOR LED illuminated)
ARCHITECTS' AND ENGINEERS'
Apartment stations shall be Alpha Communications®/Tek-
tone model IR104C/LED or approved equal, equipped with
momentary action push-buttons for TALK, LISTEN, and
DOOR operation. Each push-button hall have both English