MuxLab Quad Audio Balun Installation guide

Specifications

Environment

Devices

Transmission

Bandwidth

Peripherals’ Impedance

Insertion Loss

Common Mode Rejection Ratio

THD

Maximum Input Level

Impedance Transformation Ratio

Cable: Cat 5E UTP/STP

Unbalanced In/ Out Cable

Ground Loop Isolation

Connectors

Pin Configuration

Max. Distance:

Cat 5E/6 UTP/STP

Temperature

Enclosure

Weight

Dimensions

Warranty

Order Information

Unbalanced line-level analog audio.

DVD players, audio receivers, audio amplifiers and audio mixers, audio matrix switchers and other unbalanced line-level audio equipment.

Transparent to the user

20 Hz to 20 kHz

Source 100 Ω Mx, Receiver 10 kΩ min.

Less than 2 dB per pair over the frequency range

Greater than 60 dB at 1 kHz

Less then 0.007% @ 1 kHz

1.1 Vp-p

Single unit: 4:1 (source: line)

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

Shielded, coaxial

Range of +/-50VDC

Four (4) RCA receptacles for audio, one (1) RJ45 jack

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)

3250 ft (1 km)

Operating: 0° to 55°C

Storage: -20° to 85°C

Humidity: Up to 95% non-condensing

Fire retardant plastic

3.6 oz (103 g)

2.40” x 2.25” x 1.00” (6.10 x 5.72 x 2.54 cm)

Lifetime

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.

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: [email protected] URL: www.muxlab.com

© MuxLab Inc.

94-000309-D SE-000412-D

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

Poor Quality Audio

No Audio

Weak Audio

Probable Cause Possible Solutions

EMI interference

Split pair

Power-off

Check that wiring is not too close to transformers and ballasts.

Check if the UTP pairs are split and correct.

Each signal pair must be twisted.

Check power supply.

Open contact Check wiring to ensure continuity.

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.

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).

© MuxLab Inc.