Product Specification Sheet APS154

Rev. 07/2013

SM404 / SM406 / SM411 Master Stations (SM400 Series)

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
Architects' And Engineers' Specifications
The master station(s) shall be Alpha Communications® / TekTone (SM404, SM406 or SM411) equipped with momentary action push buttons for TALK, CALL, and DOOR operation. Each push button will have English or symbol function label. The PRIVACY and STATION selection function shall be controlled by a latching push button. MUSIC and VOICE shall be individually adjustable by means of a sliding control; accessible from the front face of the unit.

Dip switches shall be provided to selectively enable or disable call tone, all-call reception, selector LED time-out, CALL pre-announce tone, ALL-CALL pre-announce tone as well as call tone type selection - either chime or buzz tone. 

The station shall be molded of high-impact ABS plastic and have connections provided by plug-in pigtail connectors, which shall be supplied with the unit.

SM404 / SM406 / SM411 Master Stations

The SM404, SM406 and SM411 series master stations combine modern styling with ease of voice operation to provide natural, clear voice communication along with positive door release operation. Each button has labels or symbols explaining its function. Advanced circuitry and versatility permit the unit to call other units in the system as well as receive calls from other masters.

A wide variety of optional accessories is available to provide additional system functions such as ALL-CALL, system INUSE indication, as well as door release activation of up to three separate door releases.

  • Simple push button operation
  • Easy Installation
  • Advanced design
  • Selectable privacy
  • Clear voice fidelity
  • Precision engineering
  • All-call (paging) (optional)
  • Background music available (optional)

Height: 7.13" (181mm) Width: 9.25" (235mm) Depth: 2.00" (50mm)
Durable, high-impact, flame-retardant, fog white ABS plastic
Individually replaceable push buttons identified with word or symbols
4x6 (101x152mm) with voice response. Also used to provide CALL and PAGE annunciation
Plug-in pigtails with 11 conductors (3x)
IH110R (flush) or IH401 (desk/surface)

Typical Required Components
  • PK400 Power Supply (1 per system)
  • SS106 Transformer (1 per PK400)
  • IR/OR Series Remote Station(s) (if needed)
  • SM401 1-Call Master Station(s)
Alpha Communications
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.