American DJ Duo Scan RG User Instructions page 5

Duo Scan RG
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 con-
DMX512
nect the cable's shield conductor to the ground lug or allow the shield
DMX+,DMX-,COMMON
conductor to come in contact with the XLR's outer casing. Grounding
the shield could cause a short circuit and erratic behavior.
DMX512 OUT
3-PIN XLR
XLR Male Socket
1 Ground
2 Cold
3 Hot
REMOTE
INPUT OUTPUT
CONTROL
INPUT
Figure 3
Special Note: Line Termination.
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-
POWER
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.
Termination reduces signal errors and
avoids signal transmission problems
1 1
DMX512 IN
and interference. It is always advisable
3 3
3-PIN XLR
to connect a DMX terminal, (Resistance
2 2
120 Ohm 1/4 W) between PIN 2 (DMX-)
and PIN 3 (DMX +) of the last fixture.
American DJ - www.americandj.com - Duo Scan RG Instruction Manual Page 9
© ®
POWER
COMMON
DMX +
1 1
DMX512 IN
3
3
3-PIN XLR
DMX -
2
2
XLR Female Socket
XLR Pin Configuration
2 Cold
1 Ground
Pin 1 = Ground
Pin 2 = Data Compliment (negative)
3 Hot
Pin 3 = Data True (positive)
REMOTE
INPUT OUTPUT
SOUND CONTROL
INPUT
When longer runs of cable are
Figure 4
Set Up Duo Scan RG
POWER
5-Pin XLR DMX Connectors.
512 data cables for DATA transmission in place of 3-pin. 5-pin DMX
fixtures 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.
Termination reduces signal errors and
avoids signal transmission problems
1
and interference. It is always advisable
3
to connect a DMX terminal, (Resistance
2
120 Ohm 1/4 W) between PIN 2 (DMX-)
Figure 2
and PIN 3 (DMX +) of the last fixture.
Data Compliment (- signal)
POWER
American DJ
©
POWER
Some manufactures use 5-pin DMX-
3-Pin XLR to 5-Pin XLR Conversion
Conductor 3-Pin XLR Female (Out)
Ground/Shield Pin 1
Pin 2
Data True (+ signal) Pin 3
Not Used
Not Used
- www.americandj.com - Duo Scan RG Instruction Manual Page 10
®
Set Up
5-Pin XLR Male (In)
Pin 1
Pin 2
Pin 3
Pin 4 - Do Not Use
Pin 5 - Do Not Use