Can a PoE switch still supply power to a regular switch

A PoE switch can connect to a regular switch for data transmission, but it cannot supply power to a non-PoE switch.Data ConnectivityA PoE switch functions like a standard network switch in terms of data transmission. This means you can connect a PoE switch to a regular switch using an Ethernet cable, and both devices will exchange network data without issues . The PoE switch retains all the capabilities of a normal switch, so it can handle routing and switching of packets to connected devices, including non-PoE devices like PCs or standard switches .Power Delivery LimitationsWhile a PoE switch can provide power over Ethernet to compatible devices (such as IP cameras, VoIP phones, or wireless access points), a regular switch does not have the circuitry to receive or distribute PoE power . Therefore, connecting a PoE switch to a non-PoE switch will only transmit data; the regular switch will still require its own separate power source. The PoE function cannot “push” power to a standard switch because non-PoE switches are not designed to draw power from Ethernet ports .Practical ConsiderationsIf you want to use a PoE switch as a regular switch, you can disable the PoE function on its ports. This allows it to operate purely for data transmission without attempting to supply power .For networks where you need to power devices connected to a non-PoE switch, you can use a PoE injector upstream to provide power to compatible devices while the non-PoE switch handles data .Always ensure that connected devices are compatible with PoE standards to avoid potential damage from non-standard power delivery . In summary, a PoE switch can seamlessly connect to a regular switch for network communication, but it cannot supply electrical power to the non-PoE switch itself.