Compatible Devices—You can connect both PoE and Non-PoE Devices to a PoE Switch. But there is a way to connect PoE Devices to a Non-PoE Switch, there are special devices known. PoE is a straightforward technology that transmits power and data via the same network cable to the powered devices. PoE devices are network equipment that can send out or receive the PoE power along with data, such as PoE switches, IP cameras, wireless access points, while non-PoE devices can only. If it's the UniFi Switch 8 POE-60W, I can confirm it's totally safe. Only one of the devices in the last 4 ports on my switch are POE (for now). Powered devices (PD) have. Power over Ethernet or PoE, is the technology used for power transmission in network equipment, via network UTP cable, together with data.