Kyland Коммутатор Opal5GL-1GX4GE-LV-LV 302220007 1 1000Base-X SFP port, 4 10/100/1000Base-TX RJ45 ports, 18-30VAC/12-48VDC(18-30VAC/9-60VDC) dual redundant power inputs, -40 to 75⁰C operating temperature