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Summary of Contents for Jands DD-8
- Page 1 JANDS DD-8 O p t o - I s o l a t e d D M X S p l i t t e r Operating Manual Version 2.0...
- Page 2 Information contained in this manual is subject to change without notice and does not represent a commitment on the part of the vendor. JANDS ELECTRONICS P/L shall not be liable for any loss or damage whatsoever arising from the use of information or any error contained in this manual.
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Page 3: Table Of Contents
JANDS DD-8 DMX SPLITTER Table of Contents Table of Contents ..................3 1.0 Introduction..................4 2.0 Equipment Description ..............5 2.1 Physical layout ........................ 5 3.0 Getting Started .................. 6 3.1 Setting the input voltage....................6 3.2 Connecting power ......................6 3.3 Connecting DMX-512 input .................... -
Page 4: Introduction
The DD-8 is designed to sever the physical link between elements of the DMX system, thereby isolating faults on one line from the rest of the system. The DD-8 is fully protected against internal damage from most such faults. Since these faults can occur in all systems, the DD-8 is equally suitable for all touring, theatre, exhibition and trade show applications. -
Page 5: Equipment Description
1. DMX Input: A standard 5 pin male AXR connector for DMX-512 signal input. 2. DMX LED: This indicator shows the presence of DMX signal. 3. Power LED: This indicator shows when mains power is applied to the DD-8. 4. DMX Outputs: A standard 5 pin AXR connector outputs opto-isolated DMX-512 signal to the DMX-512 receivers. -
Page 6: Getting Started
POWER LED will light. NOTE The DD-8 must be connected to a 3 pin earthed power source. Use of 2 pin (non- earthed) power sources will reduce the ability of the DD-8 to protect against high voltage shield faults. -
Page 7: Operating Notes
• Outdoor shows where the console is run from a different power supply to the dimmers. In this case the DD-8 should be placed just before the input to the first receiving device on the line. -
Page 8: Technical Aspects
R9 etc drive the DMX line driver directly. The line driver output is protected by PTC3, PTC4, MOV3, MOV4, etc. The output shields are tied hard to the DD-8 chassis. The DD-8 uses a custom-wound toroidal power transformer with nine separate but identical secondary windings. -
Page 12: Fault Finding Table
• The DD-8 must be connected to a 3-pin earthed power source. Use of two pin power sources will reduce the ability of the DD-8 to protect against high voltage shield faults. -
Page 13: Installation
DD-8 specifically for ventilation of this device. Note that such spaces may be necessary to prevent the ambient temperature from rising above the maximum if other heat producing devices are mounted in the same rack. -
Page 14: Technical Specifications
JANDS DD-8 DMX SPLITTER 8.0 Technical Specifications JANDS DD-8 DMX SPLITTER SPECIFICATIONS Mains Supply: 90-130V AC, 190-265V AC, 47-53Hz, fully earthed Fuse: 110V - 1A, 240V-0.5A , M205 delay type Power consumption: 50VA maximum Operating Temperature: 45°C maximum ambient Inputs:... -
Page 15: Appendix A Connector Pinouts
JANDS DD-8 DMX SPLITTER Appendix A Connector Pinouts DMX connector pin-outs CONNECTION CONNECTION (DMX IN) (DMX OUTPUT) CHASSIS RC NETWORK TO CHASSIS OUT- OUT+ OUTPUT DMX CONNECTOR INPUT DMX CONNECTOR MANUAL ENDS Revision 2.0 - 5 July 1998 - 15 -... - Page 16 JANDS DD-8 DMX SPLITTER 40 KENT RD MASCOT NSW 2020 PH: +61-2-9582-0909 FAX: +61-2-9582-0999 email: jandsinfo@jands.com.au Revision 2.0 - 5 July 1998 - 16 - OPERATING MANUAL...
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