An 8-way DMX lighting distributor (sometimes also called a DMX splitter) is a device designed to take a single DMX signal input and distribute it into eight separate DMX output signals. This distribution capability allows for multiple DMX chains or universes to control lighting fixtures and other DMX-enabled devices in various locations or setups.

DMX Signal Input: 
The device has one DMX input port that receives the DMX signal from the main DMX controller or lighting console.

Multiple DMX Outputs: 
It offers eight DMX output ports, allowing you to connect up to eight different lighting chains or universes.

Signal Amplification and Isolation: 
A DMX distributor typically amplifies the DMX signal to maintain its strength and isolates each output port to prevent signal interference between different chains.

Splitter and Repeater Function: 
In addition to splitting the DMX signal into multiple outputs, the device also acts as a repeater, ensuring that the signal maintains its integrity over longer cable runs.

Rugged and Rack-Mountable Design: 
Many DMX distributors have a sturdy and compact design suitable for both portable use and rack-mount installations.

Power Supply: 
Some models may require an external power supply, while others can be powered via the DMX input.

Compatibility: 
DMX distributors are typically compatible with the DMX 512 protocol, making them suitable for use with a wide range of DMX-controlled lighting fixtures and devices.