Gigabit Ethernet Micro-Switch 45x45, 4x10/100/1000T with 1x1000Base-X SFP Uplink and 10/100/1000T downlink, horizontal version, 48V DC power plug, manageable (web/Telnet/SNMP/ opt. NMP software), VLANs, QoS, Security, 4x Power-over-Ethernet (PSE)