How to connect a splitter to a network port
At the network side (router or switch): You plug the splitter into two open ports. The splitter "combines" those two connections into one physical cable by assigning each to different wire pairs. When you need to connect multiple wired devices like computers, printers, and IP phones, but only have one Ethernet wall port, using an Ethernet splitter or network switch can expand your connectivity without rewiring.
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