Gefen Network Card DVI User Manual

DVI Audio  
Extender  
USER MANUAL  
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TABLE OF CONTENTS  
1
2
3
4
5
6
7
8
9
10  
Introduction  
DVI Audio Extender Sender Panel Descriptions  
DVI Audio Extender Receiver Panel Descriptions  
How To Connect The DVI Audio Extender  
Dip Switch Usage Guide  
CAT5 Link Cable - Wiring Diagram  
Frequently Asked Questions  
Terminology  
Specications  
Warranty  
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OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING  
OR OPERATING THE DVI AUDIO EXTENDER  
• The DVI Audio Extender is housed in a metal box for better RF shielding.  
Your CAT-5 cable should not exceed 200 feet for 1280x1024/1080i.  
Your CAT-5 cable should not exceed 150 feet for 1920x1080/1080p.  
• If you do not need DDC data you can use a single CAT-5 cable for the video only. The  
DDC will not be connected. An additional 5V DC power supply will be needed for the  
receiver side.  
• If the source requires EDID present, you can use the Gefen DVI Detective to provide  
EDID information.  
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INTRODUCTION  
The DVI Audio Extender sender unit sits next to your computer, DVD player or any set-top  
box with a DVI output. The cable supplied with the DVI Audio Extender connects your DVI  
source to the send unit. The DVI Audio Extender receiver unit sits next to your DVI display  
- up to 200 feet at 1280x1024/1080i ( 150 feet at 1920x1200/1080p). The display plugs  
into the back of the DVI Audio Extender receiver unit. Two CAT-5 cables connect the DVI  
Audio Extender-S and the DVI Audio Extender-R units to each other.  
CONTENTS  
The DVI Audio Extender system consists of:  
DVI Audio Extender-S  
DVI Audio Extender-R  
1x 6 ft DVI to DVI Cable M-M  
2x 5V DC power supply  
1x 6 ft Audio RCA Cable  
1
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DVI AUDIO EXTENDER SENDER PANEL DESCRIPTIONS  
2
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DVI AUDIO EXTENDER RECEIVER PANEL DESCRIPTIONS  
3
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HOW TO CONNECT THE DVI AUDIO EXTENDER  
Connect your source to the DVI Audio Extender sender unit using the included DVI  
Cable.  
1
2
Connect the audio from your source to the DVI Audio Extender sender using the  
included analog RCA cables or optional digital audio cable.  
Connect your display to the DVI Audio Extender receiver unit using a DVI Cable.  
3
4
Connect the audio on your display or audio receiver to the DVI Audio Extender  
receiver unit using the analog RCA cables or optional digital audio cable.  
Connect your CAT-5 cables between the sender and the receiver  
5
6
7
Plug the 5V power supply into the DVI Audio Extender sender and receiver unit  
You should now have picture and sound. If you do not see a picture, try unplugging  
and re-plugging the DVI input on the DVI sender unit. Make sure your CAT-5 cables  
are not crossed. Recycle the power on the unit.  
* If problems presist try adjusting the Dip Switches by following the Dip Switch  
Usage Guide.  
4
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DIP SWITCH USAGE GUIDE  
Gefen CAT5 Extreme products (sender and receiver) both contain a pair of dip  
switches located underneath the unit. These dip switches are used to select from  
sets of congurations that will equalize the signal to best match the conditions in your  
setup.  
Receiver Conguration  
Sender Conguration  
10m to 33m Cables  
Dip #1  
Off  
Dip #2  
Off  
Dip #1  
Off  
Dip #2  
Off  
Very Good quality cable  
Good quality cable  
Medium cable  
On  
Off  
Off  
Off  
Off  
On  
Off  
Off  
On  
On  
Off  
Off  
Bad cable  
Dip #1  
On  
Dip #2  
Off  
Dip #1  
On  
Dip #2  
Off  
2m to 10m Cables  
Very Good quality cable  
Good quality cable  
Medium cable  
On / Off  
Off  
Off  
On  
Off  
On / Off  
On / Off  
Off  
Off  
On  
Off  
Off  
Bad cable  
Adjustment Guidelines:  
1)  
Dip #1 and Dip #2 on the receiver are Equalization Controllers  
a)  
b)  
When both are OFF Equalization is zero => Good quality cables or Bad  
quality short cables.  
When both are ON Equalization is max => Bad quality long cables.  
2)  
Dip #1 on the sender side should be ON when a short and good quality cable is  
connected  
5
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CAT5 LINK CABLE - WIRING DIAGRAM  
6
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TROUBLESHOOTING  
Frequently Asked Questions  
What kind of CAT-5e cable should I be using?  
Solid core CAT-5e cable rated at 350 Mhz 568a or 568b is the minimum requirement.  
CAT-6 cables are also a viable cable to use. Higher resolutions and transmission lengths  
greater then 80 feet might require low skew cables for optimum performance.  
I’m getting no video on the screens, what can I check?  
First thing to check is make sure that the video CAT5 is linked to the other video CAT5  
port and the same with the DDC ports. Test to make sure the units are working with short  
CAT-5e cables 15-20 feet. Units shipped starting 12-2005 have the service switches inside  
the unit enabled. Please refer to the Service Switch Usage Guide on page 5.  
How can I x the ickering picture?  
Flickering or a Blinking image is the result of a loss of sync between the display and the  
source. Try lowering the resolution to see if that helps, if it does, the CAT-5 cables you are  
using are unable to handle the bandwidth of the higher resolution and thus you are losing  
sync. Try a shielded CAT-5e cable on the DDC to reduce interference.  
Why is there a green or pink tint to my picture?  
A tint of green or pink in the picture is a result of incorrect colorspace being transmitted.  
This can be resolved by recycling power on your devices including the extender. If this  
does not help, the DDC data containing the colorspace is not being transmitted correctly  
due to loss in the CAT5 cable, try replacing the DDC cable.  
7
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TERMINOLOGY  
CAT-5  
Category 5 cable, commonly known as Cat 5, is an unshielded twisted pair type cable  
designed for high signal integrity. The actual standard denes specic electrical properties  
of the wire, but it is most commonly known as being rated for its Ethernet capability of 100  
Mbit/s. Its specic standard designation is EIA/TIA-568. Cat 5 cable typically has three  
twists per inch of each twisted pair of 24 gauge copper wires within the cable.  
CAT-5e  
Similar to Cat 5 cable, but is enhanced to support speeds of up to 1000 megabits per  
second.  
DDC  
Short form for Display Data Channel. It is a VESA standard for communication between  
a monitor and a video adapter. Using DDC, a monitor can inform the video card about its  
properties, such as maximum resolution and color depth. The video card can then use  
this information to ensure that the user is presented with valid options for conguring the  
display.  
DDWG  
Digital Display Working Group DDWG are the creators of the DVI specication.  
DVI  
Digital Visual Interface. Connection standard developed by Intel for connecting computers  
to digital monitors such as at panels and DLP projectors. Aconsumer electronics version,  
not necessarily compatible with the PC version, is used as a connection standard for HDTV  
tuners and displays. Transmits an uncompressed digital signal to the display. The latter  
version uses HDCP copy protection to prevent unauthorized copying.  
HDCP  
High-Bandwidth Digital Content Protection. Created by Intel, HDCP is used with HDTV  
signals over DVI and HDMI connections and on D-Theater D-VHS recordings to prevent  
unauthorized duplication of copy written material.  
HDTV  
High-Denition Television. The high-resolution subset of our DTV system. TheATSC denes  
HDTV as a 16:9 image with twice the horizontal and vertical resolution of our existing system,  
accompanied by 5.1 channels of Dolby Digital audio. The CEA denes HDTV as an image  
with 720 progressive or 1080 interlaced active (top to bottom) scan lines. 1280:720p and  
1920:1080i are typically accepted as high-denition scan rates.  
VESA  
Video Electronic StandardsAssociation, a consortium of manufacturers formed to establish  
and maintain industry wide standards for video cards and monitors. VESAwas instrumental  
in the introduction of the Super VGA and Extended VGA video graphics standards with  
a refresh rate of 70 Hz, minimizing icker and helping to reduce user eyestrain and  
fatigue.  
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SPECIFICATIONS  
Video Amplier Bandwidth ................................................................................ 1.65 Gbps  
Input Video Signal ......................................................................................... 1.2 volts p-p  
Input DDC Signal .................................................................................... 5 volts p-p (TTL)  
Single Link Range .............................................................................1080p / 1920 x 1200  
DVI Connector Type ...................................................... DVI-I 29 pin female (digital only)  
Digital Audio Connectors....................................................................SPDIF and TOSLink  
Analog Audio Connectors........................................................................L+R Analog RCA  
Link Connector ........................................................................................................ RJ-45  
Power Consumption .................................................................................. 20 watts (max)  
Power Supply ......................................................................................................... 5V DC  
Dimensions .................................................................................... 2.5” D x 5.5” W x 1” H  
Shipping Weight ....................................................................................................... 5 lbs.  
9
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WARRANTY  
Gefen Inc. warrants the equipment it manufactures to be free from defects in material  
and workmanship.  
If equipment fails because of such defects and Gefen Inc. is notied within one (1)  
year from the date of shipment, Gefen System will, at its option, repair or replace the  
equipment, provided that the equipment has not been subjected to mechanical, electrical  
or other abuse or modications.  
Equipment that fails under conditions other than those covered will be repaired at the  
current price of parts and labor in effect at the time of repair. Such repairs are warranted  
for ninety (90) days from the day of shipment to the Buyer.  
This warranty is in lieu of all other warranties expressed or implied, including without  
limitation, any implied warranty or merchantability or tness for any particular purpose, all  
of which are expressly disclaimed.  
The information in this manual has been carefully checked and is believed to be accurate.  
However, Gefen Inc. assumes no responsibility for any inaccuracies that may be contained  
in this manual. In no event will Gefen Inc., be liable for direct, indirect, special, incidental,  
or consequential damages resulting from any defect or omission in this manual, even if  
advi sed of the possibility of such damages. The technical information contained herein  
regarding the DVI Audio Extender features and specications is subject to change without  
notice.  
10  
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6265 Variel Avenue Woodland Hills, CA 91367  
1-800-545-6900 818-884-6294 fax: 818-884-3108  
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