MuxLab 500028-F Manual

MuxLab Audio/video konverter 500028-F

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Side 1/2

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.

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.

Produkt Specifikationer

Mærke:	MuxLab
Kategori:	Audio/video konverter
Model:	500028-F

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