Gefen GEF-3GSDI-FO-141 user manual Troubleshooting, No picture / display shows a blank screen

TROUBLESHOOTING

No picture / display shows a blank screen

•Ensure that all jacks that are used by the 5 V DC power supplies are firmly connected.

•Ensure that the SDI connector is firmly 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 fiber cables are not damaged.

Picture is distorted or contains noise

•Verify the quality of the SDI source and check the length of the fiber cable. The 3GSDI Fiber Optic Extender will extend 3G-SDI up to a distance of 12 miles (20 kilometers) using single-mode fiber. HD-SDI can be extended up to a distance of 19 miles (30 kilometers) using single-mode fiber. 3G-SDI can be extended to a maximum of 1640 feet (500 meters) using multi-mode fiber.

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