LILIN PMH-POE+243900W 24 Port PoE + Fast Ethernet Switch Using Cat5. twisted-pair cable to connect power device to the port 1~24 of this switch, and then this switch will supply 48V power to power device over cat5 twisted-pair cable. Please be noted Power Device should also comply with IEEE . PC/other devices to this 24 Port+ 2 Combo Gigabit Copper/SFP PoE Switch: Via a twisted pair cable straight through, this switch can be connected to Pc's, servers and other network devices. Store-and -forward operation support. Embedded 2.75 Mb packet buffer. Provides 4K MAC address entry. Supports broadcast strom filtering. All ports provide Auto-Negotiation and Auto MDI/MDI-X functions. Smart plug and play. 24 PSE/PoE function ports. Supporting the power max.30 W for each PSE/PoE port. 19-Inches rach-mount size. Non-Blocking & non-head-of-line blocking full wire speed forwarding. This switch provides 24 10/100 Mbps NWAY RJ-45 ports and can support 2 Combo Gigabit Copper SFP to uplink. It was designed for easy installation and high performance in an environment where traffic is on the network and the number of users.