To connect a PoE switch to a conventional switch, you will need an Injector. This small device will add PoE functionality to individual cables. But is it possible to use the POE switch as a standard switch? Of course, it is doable! But, depending on your device, you must choose the switch that best supports your desires. For example, you can use either the POE or the regular switch. A regular switch, on the other hand, merely supplies the internet signal. In essence, a PoE Switch can be described as regular switch with added ability of Power over Ethernet which allows. A PoE switch is a network device that can deliver data and power over Ethernet.