Product Features： 3 Port 10/100M Industrial PoE Switch /Media Converter, 2 ×10/100M RJ45 Ports + 1×10/100M Uplink Fiber Port, 1-2 Port support PoE , compatible with both IEEE802.3af/IEEE802.3at standard. Single-port inte......Product Features： 3 Port 10/100M Industrial PoE Switch /Media Converter, 2 ×10/100M RJ45 Ports + 1×10/100M Uplink Fiber Port, 1-2 Port support PoE , compatible with both IEEE802.3af/IEEE802.3at standard. Single-port intelligent recognition AT, AF, single-port power supply maximum power of 30W; rail mountingRail-type installation. Multimode: 2KM , Single Mode: 20KM, SC Fiber Port, Wavelength: 1310nm