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Machine room intercom mri-hdstl
Janus
Machine Room Intercoms

MRI-HDSTL

Compliant with
Overview
The JANUS® Machine Room Intercom (Handset) provides direct communication between the machine room and elevator phones, enabling responders to clearly connect with passengers during service or emergency situations. The handset design supports focused, private communication in environments where background noise or clarity is a concern.

Designed for straightforward installations, the system shares a single phone line between the intercom and elevator communication devices without requiring a centralized system. With simple wiring and reliable analog operation, it delivers an efficient solution for applications prioritizing clear, direct communication using existing infrastructure.

System Configuration

  • Provides communication between machine room and elevator phone systems.
  • Shares a single phone line between elevator phone and intercom.
  • Designed for applications without a centralized communication system.
  • Integrates easily into existing elevator communication setups.

Communication & Operation

  • Handset design enables clear, private communication between responders and passengers.
  • Reduces background noise compared to hands-free communication.
  • Supports direct, point-to-point communication using analog infrastructure.
  • Provides consistent audio quality in machine room environments.

Installation & Wiring

  • Single-pair wiring connects elevator phone and phone line.
  • Simple installation using existing analog phone infrastructure.
  • No network configuration or advanced system setup required.
  • Compatible with standard analog (POTS or PBX) phone lines.

Design & Durability

  • Compact components mount easily to flat machine room surfaces.
  • Handset and base unit designed for reliable, repeated use.
  • Lightweight construction supports flexible installation.
  • Operating temperature range: 32°F to 122°F.

Files and Resources

Datasheet_Machine Room Intercom_MRI-HDSTL
Data Sheets
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