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Moodwasher 4810WP User Manual
Eng
6.5. DMX Terminator
DMX is a resilient communication protocol, however errors still occasionally occur.
In order to prevent electrical noise from disturbing and corrupting the DMX control
signals, a good habit is to connect DMX output of last fixture in the chain to a DMX
terminator, especially over long signal cable runs.
The DMX terminator is simply an XLR connector with a 120Ω (ohm), 1/4 Watt resistor
connected across Signal (-) and Signal (+), respectively, pins 2 and 3, which is then
plugged into the output socket on last projector in the chain. The connections are
illustrated below.
120ohm, 1/4W
Resistor
DMX Terminator
Complimentary signal cable can transmits signals to 20 unit fixtures at most.
Signal amplifier is a must to connect more fixtures.
6.6. 3-Pin vs 5-Pin DMX cables
DMX connection protocols used by controllers and fixtures manufacturers are not
standardized around the world. However, two are the most common standards:
5-Pin XLR and 3-Pin XLR system. If you wish to connect this fixture to a 5-Pin XLR in-
put fixture, you need to use an adapter-cable or make it by yourself. Below you can
see the wiring correspondence between 3-Pin and 5-Pin plug and socket standards
5-Pins XLR (plug)
Pin 1: GND (Screen)
Pin 2: Signal (-)
Pin 3: Signal (+)
Pin 4: N/C
Pin 5: N/C
3-Pins XLR (socket)
Pin 1: GND (Screen)
Pin 2: Signal (-)
Pin 3: Signal (+)
5-Pins XLR (socket)
Pin 1: GND (Screen)
Pin 2: Signal (-)
Pin 3: Signal (+)
Pin 4: N/C
Pin 5: N/C
3-Pins XLR (plug)
Pin 1: GND (Screen)
Pin 2: Signal (-)
Pin 3: Signal (+)
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