MuxLab 500028-WP-US User manual

© MuxLab Inc. 2011 94-000702-A SE-000702-A
8495 Dalton Road, Mount Royal, Quebec, Canada. H4T 1V5
Tel: [phone] Fax: [phone]
Toll Free (North America): [phone]
E-mail: [email protected] URL: www.muxlab.com
Specifications
Environment Line level unbalanced analogue audio
Devices DVD players, satellite receivers, MPEG players, laptops, hi-
fidelity stereo audio amplifiers, audio switchers, AV monitors and
other line level audio equipment.
Transmission Transparent to the user
3 dB Bandwidth 20 Hz to 20 kHz over the distance range
Maximum Input 1.1 Vp-p
Insertion Loss per Balun Pair Less than 2 dB over the frequency range
Common Mode Rejection Ratio
(CMRR) Greater than 60 dB at 1 kHz
Greater than 40 dB over the frequency range
THD Less than 0.007% at 1 kHz
Audio Source Impedance 100 ohm maximum
Audio Receiver Impedance 10 kohm minimum
Max. Distance via
Cat 5E/6 UTP/STP Cable 3,250 ft (1.0 km)
Pin Configuration (RJ45) Audio 1 (White): Pins 1(R) & 2(T)
Audio 2 (Red): Pins 3(R) & 6 (T)
Cable:
Cat 5E/6 UTP/STP 24 AWG or lower solid copper twisted pair wire
Impedance: 100 ohmat 1 MHz
Maximum capacitance: 20 pf/ft
Attenuation: 6.6 dB/1,000 ft at 1 MHz
Cable: Coax Shielded audio cable
Connectors Two (2) RCA-F
One (1) RJ45
Temperature Operating: 0oto 55oC
Storage: -20oto 85oC
Humidity: Up to 95% non-condensing
Enclosure ABS. Fire retardant plastic
Dimensions 4.1” (104 mm) x 1.8” (45.7 mm) x 1.44” (36.6 mm). Choose
1.6” (40 mm) deep back box to allow for Cat 5E/6 wiring
connection.
Weight 2.9 oz. (82 g)
Warranty Lifetime
Order Information 500028-WP-US Stereo Hi-Fi AudioWall Plate Balun
UPC: 6-27699-92028-2
Stereo Hi-Fi Audio Wall Balun
500028-WP-US
Quick Installation Guide
Overview
The Stereo Hi-Fi Audio Wall Balun (500028-WP-US) allows unbalanced line level stereo
audio to be transmitted up to 3,250 ft (1.0 km) via an unshielded copper twisted pair (UTP)
cable in a point-to-point connection. Used in pairs, or in conjunction with the 500028, the
product is designed for high fidelity applications where full audio bandwidth (20 Hz to
20 kHz) is required. Used in pairs, the Stereo Hi-Fi Audio Wall Balun eliminates costly and
bulky audio cables, allowing audio equipment to be connected or moved within a structured
cabling environment. Applications include; Audio distribution, high-fidelity sound systems,
and custom residential audio systems.
Installation
One (1) pair of baluns is needed to complete one stereo hi-fi audio connection via Cat 5E/6
twisted pair. To install the baluns, perform the following steps:
1. Identify the pin configuration of the baluns. Two (2) twisted
pairs are required as shown in the diagram to the right. The
pin configuration follows the EIA/TIA 568A/B standard. The
Stereo Hi-Fi Balun is reverse polarity sensitive. Please ensure
that wiring is straight-through (Ring to Ring, Tip to Tip).

© 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. Place a Decora® faceplate (not included) and secure with the
2 front screws.
4. Plug one (1) balun into the stereo hi-fi audio output of the
audio source according to the color code of the RCA
connectors.
5. Plug the second balun into the stereo hi-fi audio input of the receiver at the remote end.
6. 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.
7. 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.
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 ([phone] (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.