Switch, Firewall, Server manufacturer / supplier in China, offering 02350nhe S5720-32X-Ei-24s-DC Network Switches (24 Gig SFP, 4 Ethernet 10/100/1000 ports, 4 10 Gig SFP+, DC -48V, front access), 02350nhd S5720-50X-Ei-DC Network Switches (46 Ethernet 10/100/1000 ports, 4 10 Gig SFP+, DC -48V, front access), 02350nhf S5720-50X-Ei-46s-DC Network Switches (46 Gig SFP, 4 10 Gig SFP+, DC -48V, front access) and so on.