Vigor Switch P2280 offers features that help to build a secure business network, such as VLAN, Port Isolation, Storm Control, & Do S Defense. While allowing visitors to connect to the network for Internet access, these features help to block the visitors' access to business network resources & protect the network from being exhausted by malicious traffic. All the 24 Ethernet ports of Vigor Switch P2280 are compatible with 802.3at & 802.3af standard, provide up to 30W per port to network devices such as wireless access points, IP phones, & IP surveillance. This reduces the need for power cables & adapters, which lowers the cost of installation, as well as offers the flexibility to install those devices, not being limited by where the power outlets are.