Tenda TEG3224P, which is dedicated for surveillance projects & smart wireless network. It provides 24 10/100/1000 Mbps auto-negotiation Po E ports & 4 combo SFP slots, all the Po E ports support IEEE 802.3af (15.4W) & 802.3at (30 W) compliance. In addition, it features with ARP attack defence, worm attack defence, IP+MAC+PORT+VLAN Binding, MAC filter & other safety setting. The switch also integrates with the humanized web-based managements, perfect Qo S strategy & rich VLAN function. It is best choice for your network. Higher Security Support the whole network management, prevent ARP virus, IP/MAC deceit & Dos attacks, 802.1 X & MAC authentication. More applications to the environment 24 Gigabit+ 4 SFP can offer flexible port combination. Po E dynamic power supply, port output power automatically matches PD equipment, it is energy saving & secured. Troubleshooting faster Support VCT cable diagnosis, quickly locate fault point of illness, is more efficient to save time.