RJ45 Interface: 5 x 10/100/1000BASE-T RJ45 portsPower over Ethernet: Complies with IEEE 802.3af/at/bt Power over Ethernet end-span PSE,2 ports for IEEE 802.3bt PDs and 2 ports for IEEE 802.3af/at PDs, Supports PoE power up to 90 watts for PoE port 1 to port 2, 30 watts for PoE port 3 to port4, Each port supports 55V DC power to PoE PD, 120-watt PoE budget, Auto detects PD, Circuit protection prevents power interference between ports, Supports PoE in Standard and Legacy mode.Switching: Hardware-based 10/100/1000Mbps auto-negotiation and auto MDI/MDI-X, Flow control for full duplex operation and back pressure for half duplex operation, Integrates address look-up engine, supporting 2K absolute MAC addresses, Automatic address learning and address aging.Hardware: LED indicators for PoE ready/activity and LINK/ACT, One 55V DC power jack, Fanless design. Dimensions (W x D x H) 168 x 93 x 32 mm, weight: 414gr.