LINSN LED Double network cables and double led sending card for the led display controller hot backup
Use 1 to 2 DVI split cable to connect 2 led sending card. The first one is Main and the second is backup. If the main card is out of order the backup card can continue to work.
Both A and B port of the receiver card can be used as input ports or output ports. Users can adapt 2 computers to control a display at the same time, when one is out of order,the other will replace it automatically, Users can also use one computer with double network cables to control a led display screen, when one is out of order,the other will substitute it automatically, making the led video wall work normally all time.