Product Specification Sheet APS1097

Rev. 11/2017

IT-GB2 POTS Telephone Interface for GB2 System

This Specsheet is for a product which is discontinued. Please contact us for alternative products.
Architects' And Engineers' Specifications

The GB2 series telephone interface(s) shall be Alpha Communications® / Golmar IT-GB2, or approved equal. The IT-GB2 shall be used to transfer calls on a GB2 system through the GSM network in case the call cannot be answered from the GB2 monitor. Each IT-GB2 requires a standard analog POTS telephone line, to be provided by the installing contractor.

Contractor shall observe all local and national electrical and building codes.

IT-GB2 POTS Telephone Interface for GB2 System

The Alpha Communications┬« / Golmar IT-GB2 Telephone Interface is used exclusively with the GB2 series systems. The IT-GB2 transfers a call to a telephone number thru the GSM network in case the call can not be answered from the GB2 monitor. The IT-GB2 requires a standard analog POTS telephone, and only one (1) IT-GB2 is required for each FA-GB2/A used per system for up to 32 monitors per FA-GB2/A.

  • Requires a standard analog POTS telephone line (supplied by the customer)
  • Each compatible monitor unit can transfer a call to a different telephone number
  • BUS-in and BUS-out connectors
  • Call transfer test button, it calls telephone number recorded in the monitor set as code zero
  • Allows door strike activation from the telephone
  • Call transfer settings; transfer always, transfer if no answer, transfer disabled
  • Uses simple 2-conductor non-polarized (loop) wiring
  • Only one (1) IT-GB2 is required for each system connected to a single FA-GB2/A of up to 32 monitors
Dimensions: 2.84"W (73mm) x 3.95"H (101mm) x 2.37"D (61mm). 
GB2 Wiring Information
The GB2's system uses simple 2-conductor non-polarized wiring making it ideal for new installations as well as for retrofit applications. All audio, video and data functions are fully digital and using the RAP-2150 (or equivalent) cable you can run up to 300 meters from the entrance panel to the furthest monitor.
Alpha Communications
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Due to continuous product improvement, all colors, sizes, materials, finishes and specifications are subject to change without notice.