IDW112

The IDW112 is a wall-mount DMX optical isolator and distribution splitter designed to distribute a single DMX universe to twelve independent protected output circuits. Utilizing terminal strip connections for both DMX input and output wiring, the unit provides optical isolation along with overcurrent and overvoltage protection on all DMX signal lines. Its installation-focused design makes the IDW112 well suited for theaters, churches and houses of worship, schools, conference facilities, and permanent architectural lighting systems requiring reliable DMX signal distribution and protection.

Technical Documentation

Additional information

Weight 12 lbs
Dimensions 15 × 3.25 × 15 in
Communication Protocol

Product Details

IDW112 DMX-512 Opto-Isolated Splitter

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The IDW112 is a wall-mount DMX optical isolator and distribution splitter designed to distribute a single DMX universe to twelve independent output circuits while providing optical isolation and circuit protection throughout the lighting network. Ideal for theaters, churches and houses of worship, schools, conference centers, and permanent architectural lighting installations, the IDW112 helps improve system reliability by isolating DMX branches and protecting connected equipment from electrical faults and signal disturbances.

Key Features

  • Accepts one universe of DMX-512 input
  • Twelve independent DMX output circuits
  • Optical isolation
  • Overcurrent protection on input and output circuits
  • Overvoltage protection on input and output circuits
  • Terminal strip DMX input connections
  • Terminal strip DMX output connections
  • Wall-mount metal enclosure
  • Red power status indicator
  • Green DMX signal indicator
  • 120VAC operation
  • Installation-ready design with conduit knockouts

The IDW112 receives a single DMX-512 control signal and distributes it to twelve independent output circuits for use throughout a lighting system. Optical isolation helps protect connected devices from electrical faults while improving overall network reliability in larger lighting installations. The unit is intended for indoor use and is particularly well suited for facilities requiring distribution of DMX control signals to multiple architectural or performance lighting zones.

In addition to optical isolation, the IDW112 incorporates overcurrent and overvoltage protection on all three DMX signal conductors (Data+, Data-, and Common) at both the input and output stages. This added level of protection helps safeguard connected dimmers, fixtures, controllers, and network infrastructure from electrical disturbances that can affect lighting system performance.

The unit utilizes terminal strip connections for both DMX input and output wiring, simplifying integration into permanently installed lighting systems. Status indicators provide visual confirmation of power and DMX signal presence, allowing installers and maintenance personnel to quickly verify proper operation during commissioning and troubleshooting.

Designed for dependable long-term operation, the IDW112 is housed in a wall-mount metal enclosure measuring 15 inches by 15 inches by 3.25 inches. The unit operates from 120VAC, 60Hz power and includes internal fuse protection. Its combination of optical isolation, extensive output capacity, and integrated circuit protection makes the IDW112 a practical solution for distributing and protecting DMX-512 control signals in demanding permanent installation environments.

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