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Specifications 

 

Specifications 

Environment 

S-Video equipment  

Devices 

DVD players, VCR, satellite receivers, MPEG players, laptops, 
notebooks, monitors, LCD projectors, CCD cameras, video switchers, 
sequencers, digital video servers, video multiplexers, S-Video splitters, 
S-Video converters and other S-Video equipment. 

Transmission 

Transparent to the user. 

 

S-Video 

Audio 

Bandwidth 

DC to 6 MHz 

20 Hz to 20 KHz 

Impedance 

75 ohms 

600 ohms min. 

Maximum Input 

1.1Vp-p 

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 

Greater than 60 dB @ 1 KHz 
Greater than 40 dB over the 
frequency and distance range 

Max. Distance – Cat 5 
UTP 

1,000 ft. (305m) 

3,250 ft (990m) 

Pin Configuration (RJ45) 

EIA 568 A or B 

S-Video Luma: pins 7[R] &8 [T] 
S-Video Chroma: pins 4[R] & 5 [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) 4-pin Mini DIN jack for S-Video 
Two (2) RCA audio jacks for stereo audio 
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 cm x 5.7 cm x 2.54 cm) 

Weight 

2.1 oz (60 gms) 

Warranty 

Lifetime 

Order Information 

IC568A       S-Video/Hi-Fi Balun, Female 

 

 

© Copyright 2006. Black Box Corporation. All rights reserved 

 
 

94-000xxx-A                                                                                                           SE-000xxx-A 

 

October 2006

 

S-Video/Hi-Fi Balun (IC568A) 

Quick Installation Guide 

 

 

 

Overview 

The S-Video/Hi-Fi Balun allows one  S-Video signal  and  one hi-fidelity stereo audio 
channel  to be transmitted via unshielded twisted pair (UTP) cable in a point-to-point 
connection for more versatile cabling.   Used in pairs, the S-Video/Hi-Fi Balun 
eliminates costly and bulky S-Video and audio cable, allowing S-Video equipment to 
be connected or moved to any convenient modular outlet.  The S-Video/Hi-Fi Balun 
also works in conjunction with Black Box’s Audio/Video Distribution Hub (IC445A) 
to allow S-Video programming to be distributed via UTP.    Applications include; 
classroom video distribution, commercial and home audio/video systems. 

 

 
 

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: 

1.

 

Identify the pin configuration of the baluns.   Two (2) twisted pairs are required 
for S-Video and two (2) twisted pairs are required for stereo analog audio.  The 
pin configuration follows the EIA/TIA 568A/B standard.  The Stereo Hi-Fi 
Video Balun is reverse polarity sensitive.  Please ensure that wiring is straight-
through (Ring to Ring, Tip to Tip).   

 

2.

 

Plug one (1) balun into the S-Video/stereo audio output of the video source 
according to the color code of the RCA cable leads.   

3.

 

Plug the second balun into the S-Video/Hi-Fi Balun input of the video screen or 
receiver at the remote end.  

 

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: [email protected] 

 

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