A technician Installs a new PoE-capable wireless access point using a 200ft (61m) cable, but the access point does not power on when plugged Into the Ethernet cable. The technician verifies the Ethernet cable Is plugged Into a working switchport.
Which of the following should the technician do to resolve this issue?
A . Relocate the AP closer to the switch.
B . Replace the Ethernet cable with Cat 3.
C . Set the switchport to autonegotiate.
D . Install a power injector.
Answer: D