![](/html/d5/d5b5/d5b50dafc5f3d553b3ac8c5b16d571143007ba1ca74cffc68b612f9e19180a86/bg1.png)
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
codes codes
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.
![](/html/d5/d5b5/d5b50dafc5f3d553b3ac8c5b16d571143007ba1ca74cffc68b612f9e19180a86/bg2.png)
Page 2
724-746-5500 | blackbox.com
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
IC0 81A
Figure 1. S/PDIF application.
DVD player
TOSlink
PSU
Audio cables
not included
IC0 81A
Figure 2. TOSlink application.