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D M X S E T U P
NOTICE
Be sure to follow figures two and three when making your own cables. Do not use the ground lug on
the XLR connector. Do not connect the cable's shield conductor to the ground lug or allow the
shield conductor to come in contact with the XLR's outer casing. Grounding the shield could cause
a short circuit and erratic behavior.
SPECIAL NOTE: LINE TERMINATION
When longer runs of cable are used, you may need to use a terminator 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 possibilities of erratic behavior.
Figure 4
DMX512 IN
3-PIN XLR
12
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