Samsung OHA 75" 4K Outdoor Commercial Display - Manual (Page 43)

43
Connection using a cross LAN cable
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The appearance may differ depending on the product.
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Multiple products can be connected using the RS232C IN / OUT port on the product.
Monitor 1
Monitor 2
Computer
RS232C OUT
RS232C OUT
RS232C IN
RS232C IN
RJ45 (LAN OUT)