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R50X receiving card work with HD sending cards Ax, A60x, A30/A30+, Cx5, Cx0，A3, T901/T901B, VP210, VP410
Control range
R500: Recommended 256 * 128, the indoor module with load length appropriately reduced.
R508/R512: Recommended 256 * 256, the indoor module with load length appropriately reduced.
R516/R612: Recommended 256*512, the indoor module with load length appropriately reduced.
1：Power interface, can be accessed with 4.5V ~ 5.5V DC voltage.
2：Gigabit Ethernet port, used to connect the sending card or receiving card, the same two network ports are interchangeable.
3：Test button,used to test display brightness uniformity and display module flatness.
4：50PINHUBinterface, installHUBboard.
5：Indicatorlight,displayreceivingcardwork state.