Machine Room Intercom with Handset MRI-HDSTL

Only available in
Innovative technology enables the Machine Room Intercom to work with any type of ADA compliant elevator phone, allowing a low cost, easy to install retrofit solution. Just plug in the included touch tone phone (HDSTL) to the provided jack, press the button and call the elevator phone.

Dimensions: 4 3/4" H X 5 3/4" W X 2 1/2" D

Key Features:

  • MRI eliminates the need for additional devices to be installed in the elevator car, by temporarily turning the existing elevator phone into an intercom
  • The MRI splices directly into the existing connection of the elevator phone, making the installation process simple, fast and less labor intensive
  • No additional wiring required
  • No modification needed in the elevator car
  • Supplied with standard 24vdc / 0.5A transformer
  • Works with any existing elevator phone
  • Built-in safety timeout
  • When not in use, the MRI allows the ADA phone unrestricted access to the telephone line


  • Weight: .5 lb.
  • Operating current: 130mA
  • Operating Voltage: 24vdc
  • Operating Temp: 32° to 122° F
  • Relative Humidity: Up to 95% (non-condensing)

Warranty: 2 years

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