LED display loading and communication are not the top six reasons

With the rapid development of LED displays, LED displays are ubiquitous in outdoor plazas or colleges, as well as in stations and shopping malls. However, with the widespread use of LED displays, LED displays are in use. In the process, there are often cases where the manned or the communication is not available. What are the reasons why the LED display cannot be loaded or not communicated?

1. Ensure that the control system hardware is properly powered.
2. Check that the serial cable used to connect to the controller is a straight-through cable, not a crossover cable.
3. Check and confirm that the serial port cable is intact and there are no loose or falling off at both ends.
4. Compare the LED display screen control software and the control card selected by yourself to select the correct product model, the correct transmission mode, the correct serial port number, the correct serial transmission rate and the correct dial switch diagram provided in the software. Set the address bit and serial transmission rate on the control system hardware.
5. Check if the jumper cap is loose or off; if the jumper cap is not loose, please make sure that the jumper cap is in the correct direction.
6. If the above check and correction still fails to load, please use a multimeter to measure whether the serial port of the connected computer or control system hardware is damaged to confirm whether it should be returned to the computer manufacturer or the control system is hard. Body delivery is also detected.

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