DT-21
Digital Optical Audio Switcher
Operation Manual
Operation Manual
DISCLAIMERS
The information in this manual has been carefully checked and
is believed to be accurate. Cypress Technology assumes no
responsibility for any infringements of patents or other rights of third
parties which may result from its use.
Cypress Technology assumes no responsibility for any inaccuracies
that may be contained in this document. Cypress also makes no
commitment to update or to keep current the information contained
in this document.
Cypress Technology reserves the right to make improvements to this
document and/or product at any time and without notice.
COPYRIGHT NOTICE
No part of this document may be reproduced, transmitted,
transcribed, stored in a retrieval system, or any of its part translated
into any language or computer le, in any form or by any means—
electronic, mechanical, magnetic, optical, chemical, manual, or
otherwise—without express written permission and consent from
Cypress Technology.
© Copyright 2011 by Cypress Technology.
All Rights Reserved.
Version 1.1 August 2011
TRADEMARK ACKNOWLEDGMENTS
All products or service names mentioned in this document may be
trademarks of the companies with which they are associated.
SAFETY PRECAUTIONS
Please read all instructions before attempting to unpack, install or
operate this equipment and before connecting the power supply.
Please keep the following in mind as you unpack and install this
equipment:
• Always follow basic safety precautions to reduce the risk of re,
electrical shock and injury to persons.
• To prevent re or shock hazard, do not expose the unit to rain,
moisture or install this product near water.
• Never spill liquid of any kind on or into this product.
• Never push an object of any kind into this product through any
openings or empty slots in the unit, as you may damage parts
inside the unit.
• Do not attach the power supply cabling to building surfaces.
• Use only the supplied power supply unit (PSU). Do not use the PSU
if it is damaged.
• Do not allow anything to rest on the power cabling or allow any
weight to be placed upon it or any person to walk on it.
• To protect the unit from overheating, do not block any vents or
openings in the unit housing that provide ventilation and allow for
sufcient space for air to circulate around the unit.
REVISION HISTORY
VERSION NO. DATE DD/MM/YY SUMMARY OF CHANGE
VR0 11/01/08 Preliminary Release
VS1 24/06/13 Updated format/diagrams
CONTENTS
1. Introduction ............................................ 1
2. Applications ........................................... 1
3. Package Contents ................................ 1
4. System Requirements ............................ 1
5. Features .................................................. 1
6. Operation Controls and Functions ....... 2
6.1 Front Panel .........................................2
6.2 Rear Panel .........................................2
6.3 Left Panel ...........................................3
6.4 Top Panel ...........................................3
7. Connection Diagram ............................ 4
8. Specications ........................................ 5
9. Acronyms ............................................... 5
1. INTRODUCTION
The Optical Digital Audio Switcher can switch two optical digital inputs
to a single optical digital output to lengths of up to 5m, using TOSLink
optical cables, reliably and without loss of quality. It is designed to
be compact, easy to install and use, making it ideal for home or
professional audio distribution.
2. APPLICATIONS
• Add an additional optical digital input to an AV Receiver
• Switch optical digital sources for use with an audio over CAT cable
extender (such as a CH-304TX/CH-304RX, Cypress TOSLink/Coax
over Single CAT5e/6/7 Transmitter and Receiver)
3. PACKAGE CONTENTS
• 1×Optical Digital Audio Switcher
• 1×5V DC Power Supply
4. SYSTEM REQUIREMENTS
Source devices such as a CD or Blu-Ray player with an optical digital
output and an AV Receiver or Active speakers with an optical digital
input and optical cables.
5. FEATURES
• Supports the S/PDIF standard of digital audio transmission
• Supports uncompressed 2-channel LPCM (Linear Pulse Code
Modulation) audio signal
• Supports compressed 2-channel and multi-channel Dolby Digital
and DTS audio signals
• Provides electromagnetic-noise-free transmission
• Easy to install and to operate
1
6. OPERATION CONTROLS AND FUNCTIONS
6.1 Front Panel
AIN B
1
1
OPTICAL IN A/B
Connect the TOSLink input ports to the TOSLink outputs of source
equipment such as a games console, set-top box or DVD player.
6.2 Rear Panel
OPTICALOUT
1
1
OPTICAL OUT
Connect the TOSLink output port to the TOSLink input port of audio
equipment such as an AV receiver or active speakers.
2
6.3 Left Panel
AB
DC 5V
1
1
Input Selection
Use this mini-switch to select the required input (A or B).
2
DC 5V
Connect the 5V DC power supply to the unit and plug the adaptor
into an AC wall outlet.
6.4 Top Panel
OPTICAL 2-WAY
SWITCHER
1
1
Power LED
The LED will illuminate when connected to a power supply.
3
7. CONNECTION DIAGRAM
DVD or Blu-ray Player Games Console
Optical
Digital Audio
Inputs
Power Supply
OPTICAL 2-WAY
SWITCHER
Optical
Digital Audio
Output
AV Receiver
4
8. SPECIFICATIONS
Input Ports 2×Optical (TOSLink)
Output Port 1×Optical (TOSLink)
Power Supply 5 V/0.5 A or 0.36 A DC (US/EU standards,
CE/FCC/UL certied)
Dimensions 46 mm (W)×45.5 mm (D)×23.5 mm (H)
Weight 22 g
Chassis Material Plastic
Silkscreen Color White
Operating Temperature 0 °C ~ 40 °C
9. ACRONYMS
ACRONYM COMPLETE TERM
DTS Digital Theater Systems
LPCM Linear Pulse Code Modulation
S/PDIF Sony/Philips Digital Interconnect Format
TOSLink Toshiba Link
5
CYPRESS TECHNOLOGY CO., LTD
Home page: http://www.cypress.com.tw
MPM-DT21
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