DMX-SPLIT4
4-way DMX Buffer/Splitter
Introduction
The DMX-SPLIT4 module is 4-way DMX splitter, also sometimes known as a buffer or
amplifier. Cased in a sturdy steel box, the splitter can be easily
mounted on the rigging truss with plastic cable ties.
Features
Fully compliant with the latest USITT DMX512-A standard.
Backwards compatible with the older USITT DMX512/1990 standard.
Optically isolated input, with on-board isolated power supply.
Four individually buffered outputs with common ground.
Single 9v - 12v DC power supply required.
Three LED status indicates main power, isolated power and DMX
activity.
On-board 120 Ohm termination on input and all outputs.
Led Status
| Top | Green Led | DMX Present |
| Middle | Red Led | Isolated Power ok |
| Bottom | Red Led | Main Power ok |
DMX Connections
The 5-pin XLR connections follow industry standard pin-out.
| Use | 5-pin XLR Pin number | DMX512 Function |
| Common Reference | 1 | Data Link Common |
| Primary Data Link | 2 | Data 1- |
| 3 | Data 1+ | |
| Secondary Data Link Not used by module and un-connected on XLR's |
4 | Data 2- |
| 5 | Data 2+ |
Power
Any 9v to 12v DC adapter supplying a minimum 200mA can be used to power the
unit.
Schematic
A full schematic of the module in PDF format can be downloaded here.