The burning of the serial port of the LED display control card is often encountered by many LED display suppliers, wholesalers and engineering companies, and it is also one of the most headaches. Since most of the end users are non-professionals, it is often unavoidable. Irregular operation. How to prevent the serial port of the LED display control card from being burned?

  In order to avoid similar problems in the LED control system of Yanse Technology, the LED display control system all adopts the original imported industrial-grade serial port chips, and the protection of the serial port of the LED display control card is strengthened from the hardware circuit. The probability of the serial port being burned is reduced to less than one thousandth, thereby reducing a lot of service troubles and after-sales costs for our customers and friends.

  Of course, in order to effectively avoid or even eradicate this kind of stubborn disease of the LED display control system hardware, it is not enough to work hard from the perspective of the supplier. It also requires the cooperation of customers and the correct steps and essentials to improve work efficiency and reduce unnecessary trouble.

  It can be noted from the following aspects:

  It is forbidden to directly connect the 220V voltage to the LED display control card.

  Avoid plugging and unplugging with electricity, so as to avoid the instantaneous impact of the power supply. If you need to plug and unplug, please power off the LED display control card and operate it.

  Avoid using a straight-through cable to connect the LED display control card control system hardware to the computer.

  When measuring the status of the serial port, the positive and the negative should be connected to the ground, and the positive and negative should not be connected.