Regarding the two major PoE standards, the following statement is incorrect ().
(Select 2 Answers)
The A.802.af standard was formulated in 2009, and the maximum output power is 30W
802.at supports four power levels and only supports Category 5 lines
802.af, also known as PoE+, can be compatible with 802.a devices
802.at, also known as PoE+, can be compatible with 802.a devices
Submit