TP-Link TL-SF1008P 8-Port 10/100M Desktop with 4-Port Po E Switch 8-Port 10/100 Mbps Desktop Switch with 4-Port Po E provides the seamless network connection. It integrates 100 Mbps Fast Ethernet & 10 Mbps Ethernet network capabilities.4 of the 8 Auto-Negotiation RJ45 ports (port-1 to port-4) of the switch support Power over Ethernet (Po E) function. These Po E ports can automatically detect & supply power with those IEEE 802.3af compliant Powered Devices (PDs). In this situation the electrical power is transmitted along with data in one single cable allowing you to expand your network where there are no power lines or outlets where you wish to fix devices such as APs IP Cameras or IP Phones etc. Features. Supports Po E power up to 15.4W for each Po E port Supports Po E power up to 53W for all Po E ports Supports Po E IEEE 802.3af compliant PDs Supports IEEE 802.3x flow control for Full-duplex Mode & backpressure for Half-duplex Mode 1K entry MAC address table of the TL-SF1008P with auto-learning & auto-aging LED indicators for monitoring power link activity & speed External power adapter supply..