Manual | Storm1000
Connecting A Bunch of Storm1000 RGBW Fixtures
:
Follow the guide below to properly link fixtures. Power the first fixture in the chain with a standard cable
(provided with fixture). Then jump each subsequent fixture with a properly rated jumper cable.
WARNING:
DO NOT POWER LINK MORE THAN (2) FIXTURES IN ONE SINGLE CHAIN, ELECTRICALOVERLOAD MAY OCCUR.
Data/DMX Cabling
To link fixtures together you’ll need data cables. You should use data grade cables that can carry a high qua-
lity signal and are less prone to electromagnetic interference. For instance, Belden© 9841 meets the speci-
fications for EIA RS-485 applications. Standard microphone cables will “probably” be OK, but note that they
cannot transmit DMX data as reliably over long distances. In any event, the cable should have the following
characteristics:
2-conductor twisted pair plus a shield
Maximum capacitance between conductors – 30 pF/ft.
Maximum capacitance between conductor & shield – 55 pF/ft.
Maximum resistance of 20 ohms / 1000 ft.
Nominal impedance 100 – 140 ohms
Cable Connectors
Cables must have a male XLR connector on one end and a female XLR connector on the other end. (Duh!)
A Word on Termination:
DMX is a resilient communication protocol, however errors still occasionally occur.
Termination reduces signal errors, and therefore best practices include use of terminator in all circumstances.
If you experiencing problems with erratic fixture behavior, especially over long cable runs, a terminator may
help improve performance.
To build your own DMX Terminator:
Obtain a 120-ohm, 1/4-watt resistor, and wire it between pins 2 & 3 of
the last fixture. They are also readily available from specialty retailers.
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