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5-Pin XLR DMX Connectors.
Some manufactures use 5-pin DMX-
512 data cables for DATA transmission in place of 3-pin. 5-pin DMX
xtures may be implemented in a 3-pin DMX line. When inserting stan-
dard 5-pin data cables in to a 3-pin line a cable adaptor must be used,
these adaptors are readily available at most electric stores. The chart
below details a proper cable conversion.
Conductor 5-Pin XLR Male (In)3-Pin XLR Female (Out)
Pin 1
Pin 5 - Do Not Use
Pin 4 - Do Not Use
Pin 3
Pin 2
Pin 1
Pin 3
Pin 2
Not Used
Not Used
Data True (+ signal)
Data Compliment (- signal)
Ground/Shield
3-Pin XLR to 5-Pin XLR Conversion
Nucleus PRO Set Up
remember that DMX cable must be daisy chained and cannot be split.
Nucleus PRO Set Up
Notice: Be sure to follow gures two and three when making your own
cables. Do not use the ground lug on the XLR connector. Do not con-
nect 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.
DMX512 IN
3-PIN XLR
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
DMX512
DMX+,DMX-,COMMON
1
2
3
Termination reduces signal errors and
avoids signal transmission problems
and interference. It is always advisable
to connect a DMX terminal, (Resistance
120 Ohm 1/4 W) between PIN 2 (DMX-)
and PIN 3 (DMX +) of the last fixture.
1
2
3
1
2
3
DMX +
DMX -
COMMON
DMX512 OUT
3-PIN XLR
Figure 2
Figure 3
1 Ground
1 Ground
XLR Male Socket
XLR Pin Conguration
3 Hot
2 Cold
2 Cold
3 Hot
XLR Female Socket
Pin 3 = Data True (positive)
Pin 2 = Data Compliment (negative)
Pin 1 = Ground
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 con-
nected 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.
DMX512 IN
3-PIN XLR
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
SOUND
REMOTE
CONTROL
INPUT
POWER
INPUT OUTPUT
DMX512
DMX+,DMX-,COMMON
1
2
3
Termination reduces signal errors and
avoids signal transmission problems
and interference. It is always advisable
to connect a DMX terminal, (Resistance
120 Ohm 1/4 W) between PIN 2 (DMX-)
and PIN 3 (DMX +) of the last fixture.
1
2
3
1
2
3
DMX +
DMX -
COMMON
DMX512 OUT
3-PIN XLR
Figure 4
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