Tyrrell Products

Communicator LT2


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Tyrrell Products Communicator LT2

Communicator LT2

The Communicator LT2 is an established integration platform with a widespread market presence, boasting thousands of installations worldwide. This robust platform excels in its support for over 260 diverse building systems, encompassing critical elements such as Building Management Systems (BMS), open protocols like Modbus and BACnet, lighting systems, fire alarm systems, intruder alarm systems, power meters, generators, UPS, and more.

The hardware unit of the Communicator LT2 is designed for versatility, featuring 1x power connector for 12-24v AC/DC, 1x 10MB Ethernet RJ45, and 2x RS232 ports (with RS485 compatibility through an additional converter). The BACnet and Modbus interfaces are provided license-free, while other interfaces require a single 3rd-party license each, with a maximum allowance of 4 interfaces per device.

With its extensive compatibility and feature-rich hardware unit, the Communicator LT2 ensures a reliable and flexible integration solution, making it a preferred choice for numerous global installations in the realm of smart buildings.

Communicator LT2 comes with Free Modbus, BACnet, ZiP IO, Process Control, Alarming, SMTP modules.


  • Established solution for over 15 years with 1000’s of installations
  • Multiple drivers per unit included (260+ available interfaces, max of 4x interfaces per device)
  • Options for 0 – 4 interface licensees (BACnet & Modbus are license free)
  • No limit on driver points.
  • Modbus Master / Slave Configurations (Serial or TCP)
  • BACnet IP Master / Slave Configurations.
  • Unrivalled support for fire alarm systems (Advanced, Gent, Kentec, Kidde, Morley, Notifier, Protec, Rafiki, Ziton)
  • On-board protocol converter (any interface > BACnet or Modbus) - Max 640 points per device
  • On-board processing engine
  • On-board web server for basic point information
  • A fire approved battery backup unit is also available for the Communicator LT2
  • Low cost Modbus based I/O range available
  • Pre-engineered solutions available


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