Huidu HD-R612 LED Screen Wall Full Color Receiving Card
2 : Power interface, can be accessed with 4.5V ~ 5.5V DC voltage;
3 : Power interface, can be accessed with 4.5V ~ 5.5V DC voltage;
4 : Work indicator, D1 flashes to indicate that the control card is running normally; D2 flashes quickly to indicate that Gigabit has been recognized and data is being received.
5 : HUB75E port, connect to the modu










