MuxLab Quad Audio Balun Manual de Usario
MuxLab
extensor AV
Quad Audio Balun
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8495 Dalton Road, Mount Royal, Quebec, Canada. H4T 1V5
Tel: (514) 905-0588 Fax: (514) 905-0589
Toll Free (North America): (877) 689-5228
E-mail: videoease@muxlab.com URL: www.muxlab.com
© MuxLab Inc. 94-000309-D SE-000412-D
Specifications
Environment Unbalanced line-level analog audio.
Devices DVD players, audio receivers, audio amplifiers and
audio mixers, audio matrix switchers and other
unbalanced line-level audio equipment.
Transmission Transparent to the user
Bandwidth 20 Hz to 20 kHz
Peripherals’ Impedance Source 100 Ω Mx, Receiver 10 kΩ min.
Insertion Loss Less than 2 dB per pair over the frequency range
Common Mode Rejection Ratio Greater than 60 dB at 1 kHz
THD Less then 0.007% @ 1 kHz
Maximum Input Level 1.1 Vp-p
Impedance Transformation Ratio Single unit: 4:1 (source: line)
Cable: Cat 5E UTP/STP 24 AWG or lower solid copper twisted pair wire
Impedance: 100 ohms at 1 MHz
Maximum capacitance: 20 pf/ft
Attenuation: 6.6 dB/1,000 ft at 1 MHz
Unbalanced In/ Out Cable Shielded, coaxial
Ground Loop Isolation Range of +/-50VDC
Connectors Four (4) RCA receptacles for audio, one (1) RJ45 jack
Pin Configuration Audio 1: Pins 7(R) & 8(T)
Audio 2: Pins 3(R) & 6(T)
Audio 3: Pins 4(R) & 5(T)
Audio 4: Pins 1(R) & 2(T)
Max. Distance:
Cat 5E/6 UTP/STP
3250 ft (1 km)
Temperature Operating: 0° to 55°C
Storage: -20° to 85°C
Humidity: Up to 95% non-condensing
Enclosure Fire retardant plastic
Weight 3.6 oz (103 g)
Dimensions 2.40” x 2.25” x 1.00” (6.10 x 5.72 x 2.54 cm)
Warranty Lifetime
Order Information 500033 Quad Audio Balun
Quad Audio Balun
500033
Quick Installation Guide
Overview
The Quad Audio Balun allows up to four (4) analog line audio signals to be transmitted
via an unshielded twisted pair (UTP) cable in a point-to-point connection. Used in pairs,
the Quad Audio Balun eliminates up to four (4) coaxial cables, allowing audio-video
equipment to be connected via a space-efficient and cost-effective Category 5E/6
twisted pair cable and supports Hi-Fi audio signal transmission. The Quad Audio Balun
also works in conjunction with other MuxLab analog audio baluns such as the 500019.
© MuxLab Inc.
Installation
One (1) pair of baluns supports four (4) mono unbalanced analog audio channels or two
(2) stereo audio channels via a Cat 5E/6 twisted pair. To install the baluns, perform the
following steps:
1. Identify the pin configuration of the baluns. Four (4) twisted pairs are required if
all four (4) signals are transmitted. The pin configuration follows the EIA/TIA
568A/B standard. The Quad Audio Balun is reverse polarity sensitive. Please
ensure that wiring is straight-through (Ring to Ring, Tip to Tip).
2. At the audio source end, connect a Quad Audio Balun to the audio output using the
appropriate number of RCA cables.
3. At the audio receiver end, connect a Quad Audio Balun to the audio input using the
appropriate number of RCA cables.
4. Complete the connection between the two baluns, using standard Cat 5E/6 twisted
pair cable and connecting hardware, terminated on RJ45 plugs at both ends. Ensure
that there are no split pairs or taps.
5. Power-on the audio equipment. Check the sound quality and refer to the
troubleshooting table below if the sound quality is unsatisfactory. The following
diagram shows a typical installation.
Troubleshooting
The following table describes some of the symptoms, probable causes and possible
solutions in respect to the installation of the Quad Audio Balun:
Symptom Probable Cause Possible Solutions
EMI interference Check that wiring is not too close to transformers
and ballasts.
Poor Quality Audio
Split pair Check if the UTP pairs are split and correct.
Each signal pair must be twisted.
Power-off Check power supply.
Open contact Check wiring to ensure continuity.No Audio
Defective Audio Balun Change Audio Baluns for another pair.
Distance exceeds specs
Check DC loop resistance and verify if distance
spec is exceeded.
Reduce cable length or eliminate high-loss
components.Weak Audio
Lower grade UTP cable
is introducing high
signal losses.
Use signal repeater for extended distance.
Replace cable by higher grade.
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).
Especificaciones del producto
| Marca: | MuxLab |
| Categoría: | extensor AV |
| Modelo: | Quad Audio Balun |
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