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FEBRUARY 1998
IC443A
Video Mono Audio Baluns
CUSTOMER
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
SUPPORT
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
INFORMATION
Web site: www.blackbox.com • E-mail: info@blackbox.com
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Summary of Contents for Black Box IC443A
- Page 1 Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746 SUPPORT Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018 INFORMATION Web site: www.blackbox.com • E-mail: info@blackbox.com...
- Page 2 FCC/IC RFI STATEMENTS FEDERAL COMMUNICATIONS COMMISSION CANADIAN DEPARTMENT OF COMMUNICATIONS RADIO FREQUENCY INTERFERENCE STATEMENTS Class B Digital Device. This equipment has been tested and found to comply with the limits for a Class B computing device pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.
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Page 3: Table Of Contents
Chapter Page 1. Specifications ..................... 5 2. Introduction ....................7 3. Installation ....................8 4. Troubleshooting ..................11 4.1 Things to Try if a Problem Occurs ..........11 4.2 Calling Black Box ................12 4.3 Shipping and Packaging ..............12... -
Page 4: Specifications
CHAPTER 1: Specifications 1. Specifications Cable Required — Between Balun pairs: (1) Unshielded twisted pair (UTP) cable: Construction Standard: Category 3 or higher; Gauge: 24 AWG or lower Termination: RJ-45 plugs; Pairs: Four (8 wires used) to carry all video and audio channels;... - Page 5 VIDEO MONO AUDIO BALUNS Maximum Distance — With Category 3 cable: 1200 ft. (365.8 m) for color video, 1500 ft. (457.2 m) for black & white video and for audio; With Category 5 cable: 2200 ft. (670.6 m) for color video, 2500 ft.
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Page 6: Introduction
CHAPTER 2: Introduction 2. Introduction With the Video Mono Audio Balun, you can transmit two pairs of composite baseband video and mono audio signals across Category 3 or better unshielded twisted-pair (UTP) cable, which is already wired into most commercial sites. Use pairs of Baluns to transmit composite video with mono audio: In a normal two-way (full-duplex) application, the Balun on each end takes a single composite baseband video signal and a monaural audio signal from 600-ohm RCA type phono... -
Page 7: Installation
VIDEO MONO AUDIO BALUNS 3. Installation To install a pair of Video Mono Audio Baluns, take these steps: CAUTION! Do not attempt to open the housing. There are no user-serviceable parts inside the Video Mono Audio Balun. Opening the unit will void your warranty. - Page 8 CHAPTER 3: Installation 5B. If your application is one-way (that is, both pairs of audio/video signals going the same direction): Run four RCA phono cables from each Balun to the attached device. On the source devices, these cables should go to the VIDEO AUX OUT and AUDIO OUT ports;...
- Page 9 VIDEO MONO AUDIO BALUNS 8. Reconnect and power up the video and audio equipment. Your Video Mono Audio Balun system should be ready for continuous operation.
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Page 10: Troubleshooting
Video Mono Audio Baluns that are known to be working, one at a time. If at any point the problem goes away, there is probably a defect in the Balun you just replaced. 7. If you still cannot diagnose the problem, call Black Box for technical support as described in the next section. -
Page 11: Calling Black Box
If you need to transport or ship your Video Mono Audio Balun: • Package it carefully. We recommend that you use the original container. • If you ever ship the Balun back to us for any reason, contact Black Box to get a Return Materials Authorization (RMA) number. - Page 12 NOTES...
- Page 13 ©Copyright 1998. Black Box Corporation. All rights reserved. 1000 Park Drive • Lawrence, PA 15055-1018 • 724-746-5500 • Fax 724-746-0746...
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