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. An Ethernet splitter helps manage limited ports by allowing multiple connections from a single Ethernet line. This not only expands the number of available Ethernet connections for waiting devices but makes running the Ethernet cable much easier since you needn't have multiple cables. An Ethernet cable splitter is a network device that lets you connect numerous devices to one Ethernet port. This comes in handy, especially when there are many gadgets. If you've run out of Ethernet ports but still need a wired connection, you may have come across a small device called an Ethernet splitter. It looks simple enough, just a box or adapter with extra jacks, but its role in your network isn't always clear. It simply divides signal pairs.
[PDF Version]