Cypress COH-Tx, COH-Rx Operation Manual

COH-Tx & COH-Rx

HDMI to Optical

Transmitter and Receiver

Operation Manual

COH-Tx & COH-Rx

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 file, 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 2010 by Cypress Technology.
All Rights Reserved.
Version 1.0 August 2010

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 or 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

fire, electrical shock and injury to persons.



To prevent fire 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

module openings or empty slots, as you may damage parts.



Do not attach the power supply cabling to building surfaces.



Do not allow anything to rest on the power cabling or allow it to

be abused by persons walking on it.



To protect the equipment from overheating, do not block the
slots and openings in the module housing that provide
ventilation.

Revision History

Version No Date Summary of Change

V1 20100728 Preliminary Release

Table of Contents

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4
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1. Introduction ……………………..……………………...…........….…….

2. Applications …………………..………………….……...................…..

3. Package Contents ………………………...........……….................…

4. System Requirements ……………..……….........………............…….

5. Features …………………………………………......……........…...……

6. Specications ………………………………...……..........………....….

7. Operation Controls and Functions ……………...……..............……

7.1 Front Panel ..............................................................................

Transmitter Side .…………………………………........…...….…

Receiver Side ..........................................................................

7.2 Rear Panel .…………………………………..…….......…...….…

Transmitter Side .......................................................................

Receiver Side .………………………………….….......…...….…

8. Support Timing Chart .......................…....………..........…..…....…...

9. Connection and Installation ….………………….........…..…..…......

10. Acronyms …......................................................................................

1. Introduction

While HDMI is becoming more common around the world, some consumers
have been wishing for a way to transmit HDMI signals at very long distances.
Enter the COH-Tx & COH-Rx HDMI to Optical Transmitter and Receiver which
uses fiber optic cables to give you a longer transmission distance, up to 500m
while also providing you with thinner lighter cables for easy installations. With
this system the HDMI signal is not compressed and is fully compliant with HDMI
and HDCP.

2. Applications



Ultra-thin LCD TVs



Fixed installations like conference rooms and home theaters



Digital signage, airport displays, advertising, video walls or special events



Surveillance systems

3. Package Contents



HDMI to Optical Transmitter



HDMI to Optical Receiver



5V DC Power adaptor x 2



Operation Manual

4. System Requirements

Input source devices such as DVD or Blu-Ray players with HDMI cables and
output displays such as HDTV’s and monitors with HDMI ports.

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5. Features



HDMI v1.2, HDCP and DVI compliance



Long distance transmission up to 10KM or more



Thinner and lighter cables for better looking and easier installations



Faster data transmission



Lower power consumption



FPGA-based solution



Supports EDID reading and CEC function



Supports 720p/60, 1080i/60 and 1080p/30 display resolutions

2

6. Specications

Transmitter
Input Port 1 x HDMI
Output Port 1 x Fiber Optical
Receiver
Input Port 1 x Fiber Optical
Output Port 1 x HDMI
Dimensions (mm) 114(W) x 65(D) x 26(H)
Weight(g) 200
Chassis Material Aluminum
Silkscreen Color Black
Operating Temperature 0˚C ~ 40˚C / 32˚F ~ 104˚F
Storage Temperature -20˚C ~ 60˚C / -4˚F ~ 140˚F
Relative Humidity 20~90% RH (non-condensing)
Power Consumption W

3

7. Operation Controls and Functions

7.1 Front Panel
Transmitter Side Receiver Side

ERROR

HDMI LINK

HDMI
INPUT

OPTICAL

LINK

HDMI

OUTPUT

ERROR

HDMI LINK

OPTICAL

LINK

② ②

③ ③④ ④① ①

①

HDMI LINK: This LED will turn blue when the device receives a signal from

the source or display.

②

ERROR: This LED will turn red when there appears to be an error in the
input signal or it is not supported and the output has not yet received
the signal.

③

HDMI INPUT/HDMI OUTPUT: This slot is to connect with an input source such
as a DVD or Blu-Ray player and output display such as an HDTV or monitor
with HDMI cables.

④

OPTICAL LINK: This LED will turn blue when the optical cable is connected
and successfully sending a signal.

7.2 Rear Panel
Transmitter Side Receiver Side

OPTICAL

DC 5V

OPTICAL

DC 5V

② ②① ①

①

OPTICAL: Connect both ends of the fiber optic cable to each side of the
device in order send a signal.

②

DC 5V: Plug the 5V DC power supply into the unit and connect the
adaptor to an AC outlet. The LED will switch on when the power cable is
plugged in.

4

8. Support Timing Chart

VIC Formats Field Rate Picture Aspect Ratio V/X

1 640x480p 59.94Hz/60Hz 4:3



2 720x480p 59.94Hz/60Hz 4:3



3 720x480p 59.94Hz/60Hz 16:9



4 1280x720p 59.94Hz/60Hz 16:9



5 1920x1080i 59.94Hz/60Hz 16:9



6 720(1440)x480i 59.94Hz/60Hz 4:3



7 720(1440)x480i 59.94Hz/60Hz 16:9



8 720(1440)x240p 59.94Hz/60Hz 4:3



9 720(1440)x240p 59.94Hz/60Hz 16:9



10 2880x480i 59.94Hz/60Hz 4:3



11 2880x480i 59.94Hz/60Hz 16:9



12 2880x240p 59.94Hz/60Hz 4:3



13 2880x240p 59.94Hz/60Hz 16:9



14 1440x480p 59.94Hz/60Hz 4:3



15 1440x480p 59.94Hz/60Hz 16:9



16 1920x1080p 59.94Hz/60Hz 16:9



17 720x576p 50Hz 4:3



18 720x576p 50Hz 16:9



19 1280x720p 50Hz 16:9



20 1920x1080i 50Hz 16:9



21 720(1440)x576i 50Hz 4:3



22 720(1440)x576i 50Hz 16:9



23 720(1440)x288p 50Hz 4:3



24 720(1440)x288p 50Hz 16:9



25 2880x576i 50Hz 4:3



26 2880x576i 50Hz 16:9



27 2880x288p 50Hz 4:3



28 2880x288p 50Hz 16:9



29 1440x576p 50Hz 4:3



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9. Connection and Installation

Blu-ray

or

DVD

HDTV/Monitor

COH-TX COH-RX

30 1440x576p 50Hz 16:9



31 1920x1080p 50Hz 16:9



32 1920x1080p 23.97Hz/24Hz 16:9



33 1920x1080p 25Hz 16:9



34 1920x1080p 29.97Hz/30Hz 16:9



35 2880x480p 59.94Hz/60Hz 4:3



36 2880x480p 59.94Hz/60Hz 16:9



37 2880x576p 50Hz 4:3



38 2880x576p 50Hz 16:9



39 1920x1080i (1250 total) 50Hz 16:9



6

Acronyms

A

Acronym Complete Term

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20100803 MPM-COHRXTX

Home page: http://www.cypress.com.tw

CYPRESS TECHNOLOGY CO., LTD.