With only a transceiver and no additional power source at the camera site, the Vi2500 series can provide full 802.3.af, 802.3at on all ports. In addition, they can provide up to 74W on each ports 1 through 4. for high power applications such as PTZ cameras. They are fully transparent to the Ethernet network and higher layer protocols, and require no IP setting or configurations. The PoE controller provides auto mode with no programing required. The PoE is fully manageable by an easy-to-use Windows™ based GUI that can be accessed via direct connection to the USB port or remotely over network connections. It also operates in auto mode with no programing required. Standard accessory client software provides full security, discovery for all Vigitron Midspans' set up and individual port monitoring. The built-in Ethernet extender technology simplifies the installation and lowers the cost of the system by eliminating the need for standard PoE midspans with far limited PoE power and protection capability. MaxiiPower™ midspans provide status LED's to indicate power and transmission status to indicate potential problem areas. The PoE is fully manageable by an easy to use GUI that can be accessed via direct connection to the USB port or remotely over network connections. The Vi2508S and Vi2516S provide input connectors for redundent power supplies (RPS) for extra reliability. They need to be used with Vi2301A or Vi2701TX at the camera side.