The LNP-0602-ST-S3-T is a 6-port intelligent unmanaged industrial Ethernet switch with IEEE-802.3at (Power-over-Ethernet Plus) support on ports 1 to 4. With 2 100Fx ports with ST type connectors , unique mode in 30km. The LNP-0602 series switch provides a power source of up to 30 watts / per port at 51 to 55VDC output; with 48 ~ 55VDC power input support. This series offers extended operating temperature -40 ° ~ 75 ° C. It also supports IEEE 802.3 / 802.3u / 802.3x with 10 / 100BTx, full or half duplex and automatic MDI / MDI-X detection to provide an economical solution for industrial networks . In addition, storm protection and the internal relay warning function alert network managers when power outages or interruptions occur in any port.