Black Box IC081A Manual de usuario

BLACK BOX®

Quick Installation Guide

Digital Audio Converter — 5.1 Channel

Order toll-free in the U.S.: Call 877-877-BBOX (outside U.S. call 724-746-5500)

FREE technical support 24 hours a day, 7 days a week: Call 724-746-5500 or fax

724-746-0746 • Mailing address: Black Box Corporation, 1000 Park Drive, Lawrence,

PA 15055-1018 • Web site: www.blackbox.com • E-mail: info@blackbox.com

Customer

Support

Information

March 2009

codes codes

IC081A

1. Overview

The Digital Audio Converter, 5.1 Channel (IC081A) converts one LPCM-encoded

or one 5.1 Channel Digital coaxial (S/PDIF) or optical (TOSLink) digital audio signal

to a standard left/right analog audio output, thereby allowing a digital audio

source such as a DVD or CD player without RCA analog audio output to be

connected to an audio-video receiver or TV.

Applications include commercial and residential audio systems, boardroom

systems, collaborative PC systems, and medical information systems.

2. Installation

1. Identify the connectors on the Digital Audio Converter as indicated on the

product panels.

2. To install the Digital Audio Converter:

2a. Connect the converter input to the digital audio source with an Optical

(TOSLink) or 75-ohm coaxial (S/PDIF) cable.

2b. Set the input switch to the appropriate signal.

2c. Connect the converter output to the analog audio receiver with a stereo audio

compliant cable.

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Digital Audio Converter—5.1 Channel Quick Installation Guide

3. Connect the 5 VDC power supply to the converter first, and then plug the

power supply into an AC power outlet. If power is present, the green power

LED of the Digital Audio Converter will be ON.

NOTE: Power-on the Digital Audio Converter only after all connections are made.

4. Power-on the audio source and receiver and verify the audio quality.

5. The following diagrams show the final configurations.

DVD player S/PDIF

PSU

Audio cables

not included

IC081A

Figure 1. S/PDIF application.

DVD player TOSlink

PSU

Audio cables

not included

IC081A

Figure 2. TOSlink application.

Page 3

724-746-5500 | blackbox.com

Digital Audio Converter—5.1 Channel Quick Installation Guide

3. Troubleshooting

The following table describes some of the symptoms, probable causes and

possible solutions in respect to the installation of the Digital Audio Converter—

5.1 Channel.

Table 3-1. Troubleshooting tips.

Symptom LEDs Probable Causes Possible Solutions

Power Lock

No Sound OFF OFF No power Check power connections

No Sound ON OFF Optical/Coaxial Cable Check the Optical/Coaxial cables.

No Sound ON ON Stereo audio cable Check the stereo audio cable.

No Sound ON ON Wrong input on receiver Check if the selected input on the

receiver can receive analog stereo

audio.

No Sound ON ON Audio source outputs a

unsupported compressed

bitstream such as DTS.

Configure the source to only out-

put a uncompressed LPCM or 5.1

Channel Digital bitstream.

Choppy sound ON ON Weak connections. • Check cable connections.

• Check the optical/coaxial cable

quality.

NOTE: If you still cannot diagnose the problem, contact Black Box Technical Support at

724-746-5500 or info@blackbox.com.

Black Box Tech Support: FREE! Live. 24/7

724-746-5500 | blackbox.com

are registered trademarks of BB Technologies, Inc. Any third-party trademarks appearing in this manual

are acknowledged to be the property of their respective owners.

IC081A Quick Installation Guide, version 1

4. Specifications

Table 4-1. Specifications.

Approvals Compliance: FCC, CE, RoHS;

Flammability: 94V0

Bit Depth 24 bit S/PDIF compress and uncompress bitstream

Devices DVD, CD players, TV, PC, laptops

Distortion <0.001% at 1 KHz

Enclosure ABS fire-retardant plastic

Environment Temperature Tolerance:

Operating: 32° to 104° F (0º to 40º C);

Storage: -4° to +185° F (-20º to +85º C);

Humidity Tolerance:

Up to 95%, noncondensing

Sample Rate 32, 44.1, 48, and 96 kHz

SNR >90 dB (20 Hz–20 kHz)

Switch Selects between S/PDIF and TOSLink

Transmission Transparent to the user

Interface Digital audio, 5.1 Channel or LPCM

Connectors (1) coaxial,

(1) TOSLink,

(2) RCA

NOTE: Audio cables are not included.

Power Power Supply: 110–240 VAC, 5 VDC power supply with interchangeable

blades;

Consumption: 1.75 watts

Dimensions 1"H x 2.4"W x 2.25"D (2.5 x 6.1 x 5.5 cm)

Weight 1 lb. (0.45 kg)

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