Wi-Tek 48V 802.3af/at fiber PoE switches are unmanaged switches which are play and play and easy to use for CCTV surveillance. They are ideal for deployment in environments that require uninterrupted running of network applications and a high level of performance. In addition. these switches offer Power over Ethernet (PoE) solutions to provide both electrical power and network connectivity to PoE-capable devices. such as IP phones and wireless APsUnmanaged PoE Switch Plug and play. zero configuration.Support 802.3af/at 30W PoE The IP-camera can be powered up and transmit data by one Ethernet port and cable.Ports isolation via VLAN Mode All downlink ports are isolated from each other. but can communicate with uplink ports.250m transmission via Extend Mode The transmission distance of PoE ports can be up to 250m. but the rate is limited to 10Mbps.