Gigabit Ethernet Micro-Switch 45x45 vertical, 4x10/100/1000T with 1x1000LX Uplink and 10/100/1000T downlink, 1310nm SM 10km SC, 48V DC power plug, manageable (web/Telnet/SNMP/ opt. NMP software), VLANs, QoS, Security, 4x PoE (PSE)