Instrukcja obsługi MuxLab 500028-F

MuxLab Audio/video-converter 500028-F

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© MuxLab Inc.
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.
3dB Bandwidth 20 Hz to 20 KHz over the distance range.
Maximum Input 1.1Vp-p (unbalanced)
Insertion Loss per balun
pair
Less than 2 dB over the frequency range.
Common Mode Rejection Greater than 60 dB @ 1 KHz
Greater than 40 dB over the frequency range.
THD Less than 0.007% @ 1KHz
Audio Source Impedance 100 ohms maximum
Audio Receiver Impedance 10 k ohms minimum
Max. Distance – Cat 5 UTP 3,250 ft (1 km)
Pin Configuration (RJ45) Audio 1 (White): pins 1[R] & 2 [T]
Audio 2 (Red): 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
Cable - Coax Shielded audio cable.
Connectors 500028: Two (2) RCA-M 6” cable leads
500028-F: Two (2) RCA jacks
One (1) RJ45
Temperature Operating: 0º to 55º C. Storage:-20º to 85º C. Humidity: up to 95%
Enclosure ABS. Fire retardant plastic
Dimensions 2.40” x 2.25” x 1.00” plus 6” audio lead
Weight 3.1 oz (89 gms)
Warranty Lifetime
Order Information 500028 Stereo Hi-Fi Balun, M
500028-2PK Stereo Hi-Fi Balun, M, 2-Pack
500028-F Stereo Hi-Fi Balun, F
500028-F-2PK Stereo Hi-Fi Balun, F, 2-Pack
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
94-000556-A SE-000589-B
Stereo Hi-Fi Balun (500028 & 500028-F)
Quick Installation Guide
Introduction
The Stereo Hi-Fi Balun (500028, 500028-F) allows unbalanced line level stereo audio to
be transmitted up to 5,000 ft (1.5km) via unshielded copper twisted pair (UTP) in a
point-to-point connection. Used in pairs, the product is designed for high fidelity
applications where full audio bandwidth (20Hz to 20 KHz) is required. Used in pairs, the
Stereo Hi-Fi Balun eliminates costly and bulky audio cable, allowing audio equipment to
be connected or moved within a structured cabling environment. Applications include;
audio distribution, high-fidelity sound systems, custom residential audio systems.
Installation
To install the Stereo Hi-Fi Baluns, perform the following steps:
1. One pair of Stereo Hi-Fi Baluns is required for each stereo channel.
2. Identify the pin configuration of the baluns. Two (2) twisted pairs are required
as shown in the following diagram.
© MuxLab Inc.
Note: The Stereo Hi-Fi Balun is phase polarity sensitive. Therefore, in order to
achieve full stereo audio quality, please ensure that the wiring is straight-through
and according to EIA568 (A or B) standard.
3. Verify the colors of the RCA plugs and connect one (1) Stereo Hi-Fi Balun to
the left-audio and right-audio RCA connectors of the audio source.
4. Verify the colors of the RCA plugs and connect a second Stereo Hi-Fi Balun to
the left-audio and right-audio RCA connectors of the audio receiver at the
remote end.
5. Complete the connection between the two (2) baluns, using standard UTP
cable, connector blocks and appropriate modular RJ45 outlets.
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. The female version requires respective RCA type audio cables (not included)
Troubleshooting
The following table describes some of the symptoms, probable causes and possible solutions
in respect to the installation of the Stereo Hi-Fi Balun. If you still cannot diagnose the
problem, please call MuxLab Customer Technical Support at 877-689-5228 (toll-free in North
America) or 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 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.

Specyfikacje produktu

Marka: MuxLab
Kategoria: Audio/video-converter
Model: 500028-F

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