NEW Doug Fleenor DMX Isolation Amplifier 4 Univ. 1 In, 1 Out

The DMX splitter is available in three standard configurations: three, five, or eleven outputs from a single DMX input. An enhanced five output splitter with lightning and miswiring protection, and a universal power supply is also available (see the  125EE data sheet). Units with any number of inputs and outputs may be manufactured on a custom basis.

Each output is electrically isolated from the input, and from every other output, by 2500 volt optical couplers. Each output has its own line driver and associated power supply.

Single output units, for amplification and isolation without splitting, are also standard products. Model: 121 (one universe), 121D (two universe) and 121Q (four universe) are pictured below. The DMX splitter allows connection of DMX receivers (dimmers, color changers, moving lights, etc.) in a star configuration as opposed to a daisy chain configuration. In a star configuration, each control cable is run to a central point, in this case the splitter. In a daisy chain configuration all the devices are connected on one control cable, the output of one feeding the input of the next. It is not good practice to simply split a DMX control cable using a "wye" cable as this can cause signal corruption due to reflections. Typical uses of the splitter include splitting the control signal between stage right and stage left dimmers, running an isolated split to a string of color changers, splitting and isolating a feed to a wall outlet for temporary or rented dimmers, isolating a stack of dimmer packs from each other, etc. If you would like assistance in your application, please give us a call. We like to talk with our customers. 

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