BD-POE34008P PoE switch provides the transmission between power and data from a network node through Cat5 Ethernet cable. This 9-Port PoE switch comes with 4 super high power PoE ports and 4 standard PoE ports, and Port1 and Port4 support super high power special for high-speed dome cameras, Port5 to Port8 supports IEEE802.3af/at standard. The advanced self-adaptive algorithm can supply power to IEEE802.3af/at terminal devices; there is no need to worry about the damage to the standard PoE or non-standard PoE devices.