Коммутатор Ruijie RG-CS83-48GT4XS-PD 48-Port 10/100/1000 BASE-T,and 4 1G/10G SFP+ Ports, support PoE+, max 1480w for PoE,1 built-in fixed fan, 2 modular power supply slots at least one RG-PA600I-P-F/RG-PA1000I-P-F power module needed)