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Troubleshooting
1. Why the Power LED is off?
•
Check that all the devices are on.
•
Check that all the cables are qualified and connected properly.
2. Why the Link LED is off or blinking?
•
Check that all the devices are on.
•
Check that all the cables are qualified and connected properly.
•
Check that the length of CatX cable is less than 70 meters (1080P) or 40 meters
(4K). For more information, see Cable Specifications in Specifications.
3. Why the display connected to the DUX-RX-70 shows no picture?
•
Check that all the devices are on.
•
Check that all the cables are qualified and connected properly.
•
Check that the Link LED is steady on. For more information, see Q2 above.
•
Check that the display works properly, and that the source device has normal
signals output.
•
Ensure that the display device supports HDCP.
•
Ensure the length of CatX cable is less than 70 meters (1080P) or 40 meters
(4K). For more information, see Cable Specifications in Specifications.
•
Ensure the length of HDMI cables: when transmitting 1080p signal, HDMI input
and output cables should be less than 15 meters; when transmitting 4k@30Hz
signal, HDMI input cable should be less than 10 meters, HDMI output cable less
than 15 meters. For more information, see Cable Specifications in Specifications.
•
Check that your display device is switched to the correct source input mode, for
example, switching to HDMI 1 if HDMI 1 interface is connected to DUX-RX-70 via
an HDMI cable.
•
Check that no compatibility issue exists between DUX-RX-70 and the display. If
so, replace the display with other models.
4. Why the display connected to the DUX-RX-70 shows snow or mosaic?
•
Check that all the cables are qualified and connected properly.
•
Check that Ethernet cables are Cat5e/6 or higher gauge.
•
Check that the source input device has no such problem as snow, mosaic or with
a damaged disc. If so, replace with another qualified input source.
•
Check that no compatibility issue exists between DUX-RX-70 and the display. If
so, replace the display with qualified models.
18
USER MANUAL - DUX-TX-70 / DUX-RX-70 HDMI EXTENDER
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