Most failures tend to be in the OSP, and are caused by improper installations which can be caused by microbends, splices, connector damage, and improper fiber management. Splitter failures can also be intrinsic, which we'll address. 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. This guide explains your options and helps you choose the best solution for your. Ethernet splitters are a handy tool for expanding a network connection in situations where you need to connect multiple devices to a single Ethernet cable. However, they aren't without their issues. Understanding how they work and common troubleshooting steps can save you time and frustration. Federal Communications Commission regulations are the rules that govern how radio, television, phone, internet, and wireless services operate in the United States. All these devices accept your TV signal before distributing that signal to multiple receivers. In this article I focus on a few basics of optical splitters, their applications, typical causes of failures, and how to.