Gefen GEF-3GSDI-FO-141 - Manual (Page 10)

7
TROUBLESHOOTING
No picture / display shows a blank screen
• Ensure that all jacks that are used by the 5 V DC power supplies are fi rmly
connected.
• Ensure that the SDI connector is fi rmly plugged in to the SDI source and SDI
display. Ensure that the Sender and Receiver module parts are connected to
the SDI source and SDI display, respectively.
• Check if the SDI source and SDI display are powered on and properly
booted.
• Reset the system by unplugging and reconnecting the Sender SDI module
or Receiver SDI module. Re-boot the system while connecting the 3G-SDI
Fiber Optic Extender.
• Verify that the fi ber cables are not damaged.
Picture is distorted or contains noise
• Verify the quality of the SDI source and check the length of the fi ber cable.
The 3GSDI Fiber Optic Extender will extend 3G-SDI up to a distance of 12
miles (20 kilometers) using single-mode fi ber. HD-SDI can be extended up
to a distance of 19 miles (30 kilometers) using single-mode fi ber. 3G-SDI
can be extended to a maximum of 1640 feet (500 meters) using multi-mode
fi ber.