MuxLab 500028-WP-UK Quick Installation Manual Download Page 2

© MuxLab Inc. 2011

 

2.

 

To install the balun in a single back box, choose a back box 
with a depth of 40 mm or more. Connect the RJ45 plug into 
the rear of the balun. Secure the balun with the 2 front screws. 

3.

 

Plug one (1) balun into the stereo hi-fi audio output of the 
audio source according to the color code of the RCA 
connectors. 

4.

 

Plug the second balun into the stereo hi-fi audio input of the receiver at the remote end. 

5.

 

Complete the connection between the two baluns, using standard Cat 5E/6 twisted pair 
cable and connecting hardware, terminated by RJ45 plugs at both ends. Ensure that 
there are no split pairs or taps. 

6.

 

Power-on the audio equipment and check the audio quality. The audio should be clear 
within the maximum specified distances. The following diagram shows a typical 
configuration.

 

 

7.

 

To mount the wall plate balun in a gang plate, you must first remove the 4 rear screws, 
then remove the balun. Next unclip the balun front plastic panel. 

 

 

 

8.

 

Clip the front plastic panel to a standard gang plate and secure the 
balun using its 4 screws. Multiple wall baluns can be mounted side 
by side on a gang plate. 

 

Front view  

Side view 

Rear view 

Troubleshooting 

The following table describes some of the symptoms, probable causes and possible 
solutions in respect to the installation of the Stereo Hi-Fi Audio Balun. If you still 
cannot diagnose the problem, please call MuxLab Customer Technical Support at 877-
689-5228 (toll-free in North America) or (+1) 514-905-0588 (International).

 

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. 

 
 

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