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DMX 16 DEMULTIPLEXER
Version B
DMX 16 DEMULTIPLEXER
INSTALLATION AND OPERATION GUIDE
Introduction
NSI developed a microphone cord multiplex system called Microplex, which is utilized by most NSI control
consoles to make set-up and connection easy and convenient. The purpose of the DMX 16 Demultiplexer is to
provide a means of interfacing Micro-plex to most non-multiplexed dimmer systems and effects offered by other
manufacturers. Instead of many separate wires, cables, and special connectors needed to connect lighting control
consoles to dimmer packs, NSI Microplex uses a single, standard 3-pin microphone cord to carry up to 128 control
channels and also provide power to the control console.
Sixteen of the possible 128 control channels are decoded and converted to DC voltage outputs by the DMX 16.
These outputs are made available through the use of screw terminals on the back panel of the DMX 16. Since
dimmer control connectors vary widely, the use of screw terminals allows connection to a wide variety of dimmer
systems. The DMX 16 also provides the electrical power needed by the control console.
Specifications
Power Requirements
Serial Control System
DC Output ( ea channel )
Controller Power Supply Output
Mic. Cord Pinout:
NSI CORPORATION
Version B
120 VAC 75 WATTS 6OHZ
(240 VAC 35 WATTS 50HZ)
NSI "Micro-Plex"
0 - +10 Volts DC 20 MA
(Adjustable +4 to +12 Volts)
+15 VDC 500ma regulated
Pin 1
Pin 2
Pin 3
Introduction
Ground
+15 VDC to Controller
Multiplex Data
1
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Table of Contents
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Summary of Contents for NSI DMX-16
- Page 1 DMX 16 DEMULTIPLEXER Version B DMX 16 DEMULTIPLEXER INSTALLATION AND OPERATION GUIDE Introduction NSI developed a microphone cord multiplex system called Microplex, which is utilized by most NSI control consoles to make set-up and connection easy and convenient. The purpose of the DMX 16 Demultiplexer is to provide a means of interfacing Micro-plex to most non-multiplexed dimmer systems and effects offered by other manufacturers.
- Page 2 Installation Installation The DMX 16 should be located as close to the dimmer packs as possible. If the dimmer system is rack mounted, the DMX 16 may be mounted in the same rack for convenience. Connection to a NSI Controller is accomplished with a standard 3-pin microphone cord or one balanced channel of an audio snake.
- Page 3 DMX 16 DEMULTIPLEXER Version B Front Panel Leds The RED PWR LED indicates DMX 16 is receiving AC power and is operating normally. If the RED PWR LED does not light or lights dimly after you have ascertained that AC power is available to the unit, one of the microphone cords connected to the DMX is probably shorted.
- Page 4 DMX 16 DEMULTIPLEXER Wiring Examples Version B NSI CORPORATION...
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