Gigabit Ethernet Micro-Switch 45x45, 4x10/100/1000T with 1x1000SX Uplink and 10/100/1000T downlink, horizontal, 850nm MM SC, 48V DC power plug, manageable (web/Telnet/SNMP/ opt. NMP software), VLANs, QoS, Security, 4x PoE (PSE)