Why does a cat flash red lights?

The reasons why the cat light flashes red are: 1. The server is faulty, such as server maintenance, which will cause the red light to turn on; 2. The optical cable is faulty, check whether the optical cable line is damaged; 3. The optical modem itself is faulty, This phenomenon can also be caused by problems with the optical interface or partial damage to the optical receiver.

#The operating environment of this tutorial: Windows 10 system, Dell G3 computer.

Why does a cat flash red lights?

1. The reasons why the light cat flashes red light:

1. The flashing red light of los means that the light cat cannot receive the light signal.

2. Server failure, such as server maintenance, will cause the red light to turn on.

3. Optical cable failure will also cause the optical modem to not receive light or the light reception is too low. At this time, the optical signal light will also flash or a red light will alarm. Check whether the optical cable line is damaged.

4. This phenomenon can also be caused by a malfunction of the optical modem itself, a problem with the optical interface, or partial damage to the optical receiver.

Extended information:

1. Solution to los when the red cat flashes red light:

1. Look at the light cat inserted Is the optical fiber interface on the computer loose? If it is already loose, plug it in again.

2. Cut off the power of the optical modem, wait for a few minutes, then turn on the power and observe the color of LOS and so on.

3. Dial China Unicom’s customer service number and be transferred to manual customer service to report the fault.

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