VideoEase™ Audio-Video Hub (500200) Installation Guide 94-000278-C
©MuxLab Inc. Audio-Video Hub Installation Guide Copyright Notice : Copyright © 2002 MUXLAB Inc. All rights reserved. Printed in Canada. No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise without prior written permission of the author.
©MuxLab Inc. Audio-Video Hub Installation Guide Table of Contents 1. Overview ........................................................................................................................4 1.1. Description........................................................................................................4 1.2.1. Applications............................................................................................5 1.2.2. Benefits ..........................................................
MuxLab Inc. Technical Specifications 1. Overview 1.1. Description The VideoEase Audio-Video Hub allows up to two (2) baseband video signals and up to two (2) audio signals to be distributed to up to eight (8) destinations via twisted pair (UTP) cable for more cost-effective and versatile cabling. The Audio-Video Hub when used in conjunction with MUXLAB’s line of VideoEase baluns, allows coaxial cable to be eliminated between the Audio-Video source and the destinations.
MuxLab Inc. Technical Specifications 1.2 Applications, Benefits and Features 1.2.1. Applications CCTV security and surveillance Classroom audio/video instruction Corporate audio/video presentations Tradeshow demonstration systems 1.2.2. Benefits Distribute CCTV and audio-video to multiple destinations via twisted pair Eliminates costly and bulky coax cable Centralised cabling for greater control Quicker moves, adds and changes 1.2.3.
MuxLab Inc. Technical Specifications 2. Technical Specifications Specifications Environment Devices Transmission Source Impedance Req’ts Destination Impedance Req. Hub Impedance 3 dB Bandwidth Maximum Differential Input Maximum Differential Output Insertion Loss (differential) Video Return Loss Common Mode Rejection Input: balanced. Output: unbalanced Crosstalk Immunity Max.
MuxLab Inc. Troubleshooting 3. Installation Procedure 3.1. Installation Follow the steps listed below to install the Audio-Video Hub : 1. The Audio-Video Hub is polarity sensitive and works in conjunction with MUXLAB’s VideoEase video baluns. If the Audio-Video Hub is used with baluns which have a signal polarity opposite to that of the Audio-Video Hub, then the signal polarity of the cabling between the hub and the video baluns may need to be reversed.
MuxLab Inc. Troubleshooting feet of 24 AWG cable should give a reading of approximately 26 ohms (52 ohms if you are measuring at one end with the opposite cable ends shorted). Computer Drop Side Twisted Pair Figure 1 : Measuring Cable Impedance The Audio-Video Hub must be kept away from sources of radiofrequency or electromagnetic radiation : a) 5" from power lines of 2 kVA or less. b) 12" from fluorescent lighting & power lines between 2 & 5 kVA. c) 36" from power lines greater than 5 kVA.
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MuxLab Inc. Troubleshooting Power Outputs 4 Figure 4 : Audio-Video Hub Front Panel Straight polarity Reverse polarity 1 R 5. 8 T T R Plug the Audio-Video Hub into the nearest AC power outlet. The Power LED should light up and stay on.
MuxLab Inc. Troubleshooting VideoEase 2-Way Audio/Video Balun (500012) Audio1 Video 1 Audio 2 Cat 5 Twisted Pair (4-Pair) Video 2 RJ45 8-pin modular plug RJ45 Pin Configuration Video 1: Video 2: Audio 1: Audio 2: Power Ring 7 Tip 8 Ring 4 Tip 5 Ring 1 Tip 2 Ring 3 Tip 6 NC + 12V Input Outputs GND -12V Looping Output Power 4 Audio1 Video 1 Audio 2 Video 2 Figure 5 : Connection Diagram 6.
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MuxLab Inc. 3.3. Troubleshooting Cascading Multiple Hubs The Audio-Video Hub may be cascaded with another hub in order to distribute a baseband audio video source to more than eight destinations. The following picture shows the location of the Looping Output. Looping Output For example an audio video presentation from a VCR or DVD source may be distributed to multiple classrooms via pre-installed Cat 5 twisted pair cable.
MuxLab Inc. Troubleshooting Another way of expanding the audio/video distribution network is to cascade the hubs in a tree topology. Each of the nine outputs is identical and any of these ports may be connected to the Input Port of another hub. In the example below, nine hubs may be used to distribute an audio-video program to up to 64 audio-video monitors in a classroom or corporate training environment.
MuxLab Inc. Troubleshooting 4. Troubleshooting Reading this section carefully will surely allow you to pinpoint and resolve any type of malfunction. If after going through this section your problems still cannot be resolved, then refer to section 4.2 for additional assistance. 4.1. Symptoms, Causes and Possible Solutions The following section describes some of the symptoms that may arise during an installation, as well as the possible causes and solutions.
MuxLab Inc. Troubleshooting If, after going through this Troubleshooting chapter, you fail to resolve your problem and require more help, please call: MuxLab Technical Support (514) 905-0588 or toll free 1-877-689-5228 (North America) Visit our web site at www.muxlab.com 4.2. Technical Support Information When contacting your nearest MuxLab dealer or MuxLab Technical Support please have the following information ready : 1. Baluns used. Model and part number. 2. Hub serial number. 3. Environment layout.
MuxLab Inc. Manufacturer’s Limited Warranty 5. Manufacturer’s Limited Warranty MUXLAB guarantees its products to be free of defects in manufacturing and workmanship for the warranty period from the date of purchase. If this product fails to give satisfactory performance during this warranty period, MUXLAB will either repair or replace this product at no additional charge, except as set forth below. Repair and replacement parts will be furnished on an exchange basis and will be either reconditioned or new.
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MuxLab Inc. MuxLab Inc. 5450, Côte de Liesse Mount-Royal (Quebec) CANADA H4P 1A5 Telephone : ..................................514-905-0588 Toll-free (North America) : ..... 1-877-689-5228 Fax : .............................................
