Dmx-512 Connection/Connection Between Fixtures - American DJ ULTRA SCAN 250 User Manual

4.5 DMX-512 connection/connection between fixtures

The wires must not come into contact with each other, otherwise
the fixtures will not work at all, or will not work properly.
Only use a stereo shielded cable and 3-pin XLR-plugs and connectors in order to connect the controller with the
fixture or one fixture with another.
Occupation of the XLR-connection:
If you are using standart controllers, you can connect the DMX-output of the controller directly with the DMX-input
of the first fixture in the DMX-chain. If you wish to connect DMX-controllers with other XLR-outputs, you need to
use adapter-cables.
Building a serial DMX-chain:
Connect the DMX-output of the first fixture in the DMX-chain with the DMX-input of the next fixture. Always
connect one output with the input of the next fixture until all fixtures are connected.
Caution: At the last fixture, the DMX-cable has to be terminated with a terminator. Solder a 120 Ohm resistor
between Signal (–) and Signal (+) into a 3-pin XLR-plug and plug it in the DMX-output of the last fixture.
1 - Ground
2 - Signal (-)
3 - Signal (+)
DMX - output
XLR mounting-socket:
DMX-input
XLR mounting-plug:
9
1 - Ground
2 - Signal (-)
3 - Signal (+)