Black Box IC569A Manual

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Side 1/2

Specifications

Environment

Composite video (NTSC, PAL, SECAM) equipment

Devices

DVD players, VCR, satellite receivers, MPEG players, laptops, notebooks,

monitors, LCD projectors, CCD cameras, video switchers, sequencers, digital

video servers, video multiplexers, video splitters, video converters and other

composite video equipment.

Transmission

Transparent to the user.

Composite Video

Audio

Bandwidth

DC to 6 MHz

20 Hz to 20 KHz over the

distance range

Impedance

75 ohms

600 ohms min.

Max. Input

1.1Vp-p

Insertion Loss

Less than 2 dB per pair over the

frequency range from DC to 6 MHz

Less than 2 dB per pair over the

frequency range.

Return Loss

Better than 15 dB over the frequency

range

N/A

Common Mode

Rejection

Greater than 40 dB over the frequency

range

N/A

Max. Distance – Cat

5 UTP

2,200 ft. (670m) 3,250 ft (990m)

Pin Configuration

(RJ45)

Video: pins 7[R] &8 [T]

Reverse Polarity Sensitive

Audio 1: pins 1[R] & 2 [T]

Audio 2: pins 3 [R] & 6 [T]

Cable – UTP

24AWG or lower solid copper twisted pair wire

Impedance: 100 ohms at 1 MHz; Maximum capacitance: 20 pf/foot.

Attenuation: 6.6 dB/1000 ft at 1 MHz

Connectors

One (1) RCA-M for video (yellow)

Two (2) RCA-M for stereo audio (red, white)

One (1) RJ45 for Cat5

Temperature

Operating: 0º to 55º C. Storage:-20º to 85º C. Humidity: up to 95%

Enclosure

Fire retardant plastic

Dimensions

2.40” x 2.25” x 1.00” (6.1 x 5.7 x 2.54 cm) plus 6” (15.24cm) cable leads for

video and stereo audio

Weight

3.1 oz (89 gms)

Warranty

Lifetime

Order Information

IC569A Stereo Balun with Video

(BB)94 000611- -A (BB)SE- -000595 A

October

2006

Stereo Balun with Video (IC569A)

Quick Installation Guide

Overview

The Stereo Balun with Video (IC569A) allows a single composite video signal to be

transmitted via unshielded twisted pair (UTP) cable up to 2,200 ft (670m) in a point- -to

point c

onnection. The

IC569A features full audio bandwidth response for high fidelity

applications and features built-in color-

coded cable leads for ease of installation.

The

IC569A also works in conjunction with Black Box’s Audio-Video Distribution Hub (p/n

IC445A) to allow composite video programming to be distributed via UTP. Applications

include; classroom video distribution, commercial and home audio/video systems, hospital

video training, video conferencing, and video kiosks.

Installation

One (1) pair of baluns are needed to complete one composite stereo audio-video

connection via Cat5 twisted pair. To install the baluns, perform the following steps:

Identify the pin configuration of the baluns. One (1) twisted pair is required for

composite video and two (2) twisted pairs are required for stereo analog audio.

The pin configuration follows the EIA/TIA 568A/B standard. The IC569A is

reverse polarity sensitive. Please ensure that wiring is straight-through (Ring to

Ring, Tip to Tip).

Order toll- - - - -free in the U.S.: Call 877 877 BBOX (outside U.S. call 724 746 5500)

FREE technical support 24 hours a day, 7 days a week: Call 724- - - -746 5500 or fax 724 746

0746 Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence, PA

15055 1018- . Web site: www.blackbox.com E-mail: info@blackbox.com

Plug one (1) balun into the composite video/stereo audio output of the video source

according to the color code of the RCA cable leads.

Plug the second balun into the composite video/stereo audio input of the video screen

or receiver at the remote end.

Complete the connection between the two baluns, using standard Cat5 twisted pair

cable and connecting hardware, terminated on RJ45 plugs at both ends. Ensure that

there are no split pairs or taps.

Power- -on the audio video equipment. Check the image quality and refer to the

troubleshooting table below if the image quality is unsatisfactory. The following

diagram shows a typical installation.

Troubleshooting

The following tables describe some of the symptoms, probable causes and possible

solutions in respect to the installation of the IC569A. If you still cannot diagnose the

problem, please call Black Box Tech Support at 724- -746 5500.

Video

Symptom

Probable Causes Possible Solutions

No video

No continuity in video

link

Verify cable continuity between pairs

of baluns.

No video

Power off Check power supplies of video

equipment.

No video

Improper connection

Swapped pairs

Check that baluns are connected to

correct video inputs and outputs.

Unusual colors

Reversed polarity

Check wiring and ensure straight-

through polarity

Background

pattern

EMI interference Identify possible radiating frequency

sources (ie; wireless LANs, switching

power supplies) Try to isolate them

from the video connection. Use

shielded twisted pair grounded at both

ends.

Smearing

Exceeded distance

Verify cable grade. Use higher grade

cable if necessary.

Weak contrast

Exceeded distance

Verify cable grade. Use higher grade cable if necessary. Increase contrast

on monitor.

Weak contrast

Unusual link attenuation

Verify cable distance using ohmmeter

or cable tester.

Image not stable

Defective link or

equipment

Verify video equipment interface

integrity.

Horizontal bars

moving slowly

Substantial crosstalk

between multiple video

sources

Consecutively turn off other video

sources to determine which video

source is the cause of interference.

Snowy picture

Distance is near limit

Verify cable grade. Use higher grade cable if necessary. Reduce color

intensity at monitor.

Audio

Symptom Probable Causes Possible Solutions

Poor audio quality

EMI interference.

Check that wiring is not too close to

transformers and ballasts.

Split pair Ensure that the UTP pairs are not split

and that each pair of wires is twisted.

No audio

No power

Check your audio system for power.

Open circuit Check wiring to ensure continuity

Defective balun Change Stereo Hi-Fi/Video Baluns for

another pair.

Audio phase

cancellation

Reversed wires Check for straight-through wiring.

Audio weak

Distance specifications

exceeded

Check DC loop resistance and verify

if distance spec is exceeded. Reduce

cable length or eliminate high-loss

components.

Produkt Specifikationer

Mærke:	Black Box
Kategori:	Ikke kategoriseret
Model:	IC569A

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