ZTE ZXR10 5250-28PM Switch Primary Ports: 20 GE RJ45 ports(POE/POE+) +4 Combo (electrical interfaces in combo supports POE/POE+) 5250-52PM: 48 GE RJ45 ports(POE/POE+) Security: Hierarchical management and password protection of users CPU anti-attack, CPU overload protection Broadcast/Multicast/ unknown Unicast suppression Port isolation Dynamic ARP Inspection Support 802.1x, Guest VLAN, Radius authentication STP Root Guard, BPDU guard IP Source Guard |