How to install the LED display control card

Fix the power supply and control card of led display, connect the control card to the power cord, and the control card is marked with positive and negative poles；The positive wire corresponding to the power terminal is connected to the control card + 5V, and the corresponding negative wire is connected to the GND of the control card。
3、 The control card is connected with the unit board cable
The control card is connected with the display screen with a flat cable. Select the corresponding type of interface connection on the control card according to the interface type of the unit board. The screen corresponds to 1 and 2 of the corresponding interface type on the control card from top to bottom. For example, the top high connection 12-1, the second high connection 12-2 from top to bottom, and so on. Pay attention to the positive and negative directions of the flat cable connection.
4、 Control card and antenna connection
There is a connection antenna location on the control card.
5、 Electrify
Check the line before power on. Please check and make sure the line is correct before power on. After power on, the power supply and control card will light a red light!
With the rapid development of the LED industry, the demand of the LED display control card market is also increasing, and the wireless LED control card can well meet the market demand of customer unified management and cluster transmission. For example, the community publicity LED screen, vehicle screen, government project, mobile, telecom, bank door screen, batch installation, easy management and maintenance free status are the best choice for users. In order to avoid unnecessary losses when using the control card, the following points should be paid attention to:
1. Please keep the control card in a dry and relatively stable environment, too high temperature, humidity and dusty environment, which is extremely unfavorable to the control card.
2. It is forbidden to plug and unplug the serial port without power failure, so as to avoid damaging the computer serial port and the control card serial port due to improper operation.
3. It is forbidden to adjust the input voltage of the control card when the system works with power, so as to avoid damaging the computer serial port and the control card serial port due to improper adjustment and high voltage. The normal working voltage of the control card is 5V. When adjusting the power supply voltage, the control card should be removed and adjusted slowly with a multimeter.