... , power supply input(12V~36VDC), -40 to 75°C working temperature. Features1. IEEE802.3/802.3u ... duplex, MDI/MDI-X auto negotiation4. -40 to 75 .Coperating temperature range5. Designed for industrial applications. IP30 ... IP30 protection, Metal caseWeight: 350gEnvironmentalOperating Temperature: -40 to 75.CStorage Temperature: -45 to 85.CAmbient Relative Humidity: 10 ... /repeater network switch ck-if11-m