коммутатор/ PLANET IP30 Industrial L2+/ L4 8-Port 1000T 802.3at PoE+ 4-port 100/ 1000X SFP Full Managed Switch (-40 to 75 C, dual redundant power input on 48~56VDC terminal block, DIDO, ERPS Ring Suppor (IGS-5225-8P4S)