TL;DR: PoE (Power over Ethernet) lets you power network devices like access points and cameras through a single Ethernet cable. Paired with UniFi switch stacking, it gives you centralized control, simplified cabling, easy scalability, and efficient power management across. deo surveillance networks. Designed to maximise eficiency and security at the hardware level, Smart Managed PoE switches can help you perform both routine and not-so-routine network tasks more quickly and efectively than unmanaged switches, with the flexibility and control required to ensure. What is a PoE switch (Power over Ethernet switch)? Power over Ethernet switch (or PoE switch) is an access layer technology that combines data signals and electrical power into a single Ethernet cable connection, delivering both to enable a powered device (PD). Comprehensive configuration options and special PoE functions make the switches a powerful and flexible solution for your.