Gigabit Ethernet Micro-Switch 45x45, 4x10/100/1000T with 1x1000LX Uplink and 10/100/1000T downlink, horizontal version, 850nm Single Mode SC, 44..57 VDC power plug, manageable (web/Telnet/SNMP/ opt. NMP software), VLANs, QoS, Security, 5x Power-over-Ether