PE042-55-CÂ Â This device has 5-C and 4 PoE ports with a power output of 30W per port. It also has 2 uplink ports and can transmit power and data over long distances up to 250 meters using Cat 6 cables. It conforms to IEEE 802.3af and IEEE 803.3at standards and supports dialing VLAN and PoE Watchdog.