php editor Xinyi will give you the answer: The flashing red light of the light signal usually indicates a traffic light failure. Under normal circumstances, the red light should be continuously on, indicating stop and wait. However, if the red light starts flashing, that may mean there is a problem with the signal light system. This can be caused by electrical problems, circuit failure, or a faulty controller. When encountering this situation, drivers should drive with caution and operate in accordance with traffic rules to ensure the safety of themselves and others. For more traffic light knowledge, please continue to pay attention to the relevant articles on the PHP Chinese website.
Answer: The optical signal is interrupted or the optical signal reception is abnormal.
Bending of optical fiber may affect the transmission of optical signals, so make sure the light is straight.
2. Connector problem: It may be caused by loose connector or poor contact. At this time, we need to reinsert the connector;
3. Hardware problem: If it is a hardware problem We need to send the router for repair or replacement;
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