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Description
The Extron DVI 104 Tx and DVI 104 Rx are fiber optic transmitter/
receiver units that extend DVI signals up to 1,640' (500 m) using four
multimode fiber optic cables.
The transmitter plugs directly into the source device
and the receiver plugs directly into the display
device.
The transmitter/receiver pair can handle DVI video
signals with resolutions up to 1920 x 1200 or 1080p
at 60 Hz.
Optional four-fiber multimode cables are available
in varying lengths.
PC with DVI Output
DVI 104
Tr ansmitter
DVI 104
Receiver
Hi-resolution
Flat Panel Display
with DVI-D Input
4 Multi Mode
Fiber
Up to 500 m (1640')
Front panel features
a
Power input — The transmitter and receiver
both have plugs for a 3.5 mm jack to provide
5 VDC to the unit.
The center pin of the jack carries +5 VDC; the
outer shell of the jack is the negative rail.
N
If the source device is able to provide 5 VDC on pin 14 of its
DVI output, the transmitter can draw power from the source
device. If the source is a laptop or a PC using a PCI-E graphics
card, it will not be able to provide enough power and the
transmitter must be powered with a separate external power
supply.
The receiver must be powered by an external power supply
through the power input plug.
1 2
68-1549-50 A
02 09
1
Setup Guide — DVI 104 Tx/Rx
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2
Setup Guide — DVI 104 Tx/Rx, (cont’d)
b
LC Jacks — Four fiber optic cables connect the transmitter to the
receiver. The cables connect to the four female LC jacks in each of the
units.
A label on the top panel identifies the unit as the transmitter or receiver
and identifies the fiber optic port numbers and the power input.
N
For the transmitter, port 1 is closest to the power input and
port 4 is furthest away. For the receiver, port 4 is closest to the
power input and port 1 is furthest away.
Although the orientation is reversed, ports with the same
number must be connected by the same cable, so that port 1 on
the receiver is connected to port 1 on the transmitter, etcetera.
Insert the end of the fiber optic cable into the appropriate plug on the
transmitter or receiver. The locking catch should snap into the slot and
hold the cable securely in place.
Top panel features
c
LED — Both the transmitter and
receiver have LEDs on both sides
that light blue when the unit is
receiving power. The LEDs on
the transmitter also function as
a status indicator for the EDID
minder feature (see “Setup and
Operation”).
d
Thumbscrews — Use the
thumbscrews to secure the
transmitter or receiver to its
connector.
Side panel features (transmitter only)
e
EDID Minder storage button
(transmitter only) — A recessed
switch activates the transmitter
to capture and store EDID
information from the display
device. This allows the source
device to provide a signal with a resolution and refresh rate matching
the needs of the display device. (For more information, see the next
section, “Setup and Operation”.)
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Setup and Operation
When using the DVI 104 Tx/Rx for the first time or if the display
device is changed, it is essential to set up the EDID Minder. The setup
process places EDID information on a EEPROM chip in the transmitter,
which allows the video source to boot up correctly. This process is
described below in steps 1-6. If you have already set up the EDID
Minder, proceed to step 7.
1. Ensure that the source, the display, the transmitter, and the
receiver are all powered off and that the fiber optic cables are
unplugged from the transmitter and the receiver.
2. Apply power to the transmitter by inserting the cable from the
external power supply into the input jack. The LEDs light a solid
blue.
3. Gently press and release the EDID Minder storage button, using
a pointed device, such as a paper clip. Both LEDs should blink
twice and turn off, although power is still connected.
4. Power on the display device.
5. Connect the transmitter directly to the DVI input of the
display device. The LEDs on the transmitter blink rapidly for
a few seconds to indicate that it is reading and storing EDID
information from the display device.
When the information has been captured and stored, the LEDs
stop blinking. They may light steadily or they may turn off,
depending on the display device.
N
The transmitter must remain connected to both the display
device and the power supply for the entire time that the EDID
capture is taking place
6. Once the capture and storage are complete and the LEDs are no
longer blinking, disconnect the transmitter from both the power
and the display device.
N
Once the transmitter has captured the EDID information from
the display device, the information is stored on an EEPROM
chip in the transmitter. Therefore, this calibration needs to
be performed only once, as long as the display device is not
changed.
If the display device is changed, repeat steps 1-6 to capture
and store the EDID information for the new device.
7. Apply power to the receiver. The LEDs illuminate steadily.
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8. Ensure that the display device is still powered on, connect the
receiver directly to the DVI input, and tighten the thumbscrews.
9. Ensure that the PC or source is powered off, connect the
transmitter directly to the source’s DVI input, and tighten the
thumbscrews.
10. If required, apply power to the transmitter. The LEDs illuminate
steadily.
11. Connect all four fiber optic cables between the transmitter and
receiver. Pay attention to the orientation of the LC connectors
and ensure that each cable joins ports with the same number (port
1 of the transmitter must be connected to port 1 of the receiver,
etcetera.)
33-1641-01
Rev. A 05 08
5 V12 3 4
Extron
www.extron.com
TO COMPUTER (Tx)
PN 60-977-12
33-1642-01
Rev. A 05 08
5 V43 2 1
Extron
www.extron.com
TO DISPLAY (Rx)
PN 60-977-13
1
2
3
4
12. Turn on the source device. The source device reads the
information stored in the transmitter and boots up to that
resolution and refresh rate.
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Troubleshooting
Display does not show an image
Ensure that all plugs and jacks used by the external power •
supplies are firmly connected.
Ensure that the LEDs for both the transmitter and receiver are lit.•
Ensure that the correct EDID information has been stored on the •
transmitter’s EDID Minder. When using the
DVI 104 Tx/Rx for the first time or if the display device is
changed, it is essential to set up the EDID Minder as described in
steps 1-6 of “Setup and Operation” on page 3 of this guide.
Ensure that the source device and output device are powered on •
and have booted up correctly.
Ensure that the fiber optic cables are connecting the correct •
ports. A port on the transmitter must be connected to the same
numbered port on the receiver. For example, port 1 of the
transmitter must be connected to port 1 of the receiver.
Ensure that the fiber optic cable jacks are securely seated.•
If the cable is loose or slips out of the slot easily, move the release
catch from its normal position above the locking catch, to the
adjusted position under the locking catch (see the figure below).
This provides the extra leverage required to keep the locking catch
in place and hold the cable securely.
Normal Position
Adjusted Position
Locking catch Release catch
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Ensure that the transmitter is firmly plugged into the source •
device and the receiver is firmly plugged into the output device.
Try resetting the system by unplugging and reconnecting the DVI •
connectors or the power jacks.
Try rebooting the computer.•
Screen is distorted or displays noise
Ensure that the cable length does not exceed • 1,640' (500 m).
Ensure • that the cables are high quality multimode cable and are
terminated with securely fitting plugs.
Ensure that the resolution is correctly set, using the EDID Minder •
(see “Setup and Operation”).
View the “Display Properties” of the source device to check the •
output resolution. The resolution and refresh rate must match the
capabilities of the display device and must not exceed 1920 x 1200
at 60 Hz.
Try resetting the system by unplugging and reconnecting the DVI •
connectors or the power jacks.
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Inside USA / Canada Only
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© 2009 Extron Electronics. All rights reserved.
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