ADJ ENC176, User Manual

22

D M X   S E T U P

DMX-512: DMX is short for Digital Multiplex. This is a universal protocol used as a form of communi-

cation between intelligent fixtures and controllers. A DMX controller sends DMX data instructions from 

the controller to the fixture. DMX data is sent as serial data that travels from fixture to fixture via the 

DATA “IN” and DATA “OUT” XLR terminals located on all DMX fixtures (most controllers only have a 

DATA “OUT” terminal).

DMX Linking: DMX is a language allowing all makes and models of different manufacturers to be 

linked together and operate from a single controller, as long as all fixtures and the controller are 

DMX compliant. To ensure proper DMX data transmission, try to use the shortest cable path possible 

when using several DMX fixtures. The order in which fixtures are connected in a DMX line does not 

influence the DMX addressing. For example, a fixture assigned a DMX address of 1 may be placed 

anywhere in a DMX line: at the beginning, at the end, or anywhere in the middle. When a fixture is 

assigned a DMX address of 1, the DMX controller knows to send DATA assigned to address 1 to that 

unit, no matter where it is located in the DMX chain.

Data Cable (DMX Cable) Requirements (For DMX Operation):This fixture can be controlled via 

DMX-512 protocol, and features multiple DMX channel modes. Your unit and your DMX controller 

require 5-pin XLR connectors for data input and data output. If you are making your own cables, be 

sure to use standard 110-120 Ohm shielded cable (This cable may be purchased at almost all pro 

lighting stores). Your cables should be made with a male XLR connector at one end and a female 

XLR connector on the other. Also remember that DMX cable must be daisy chained and cannot be 

split.

Special Note: Line Termination. When longer runs of cable are used, you may need to use a termi-

nator on the last unit to avoid erratic behavior. A terminator is a 110-120 ohm 1/4 watt resistor which is 

connected between pins 2 and 3 of a male XLR connector (DATA + and DATA -). This unit is inserted 

in the female XLR connector of the last unit in your daisy chain to terminate the line. Using a cable 

terminator (ADJ part number Z-DMX/T) will decrease the chances of erratic behavior.