*** LNP-0602-M-T/ 6-Port Industrial PoE+ Unmanaged Ethernet Switch *** | Network broadcast storm protection | 4-Ports IEEE 802.3at compliant PoE+ Function with 30W/Port | 2-Ports 100Fx SC/ST type connector (Multi / Single mode) | Supports Auto MDI/MDI-X Function | Store-and-Forward Switching Architecture | 2K MAC Address Table | Surge Protection: 2,000 VDC support | ESD Protection: 6,000 VDC support | Redundant Power Input Design : 48~55VDC | Built-in 1 relay output for Port Break Alarm | IP30 Rugged Aluminum Case Design | DIN-Rail and Wall Mount support | Operating Temperature range- STD: -10° to 70° C, EOT: -40° to 75° C | 5-Year Warranty |