Identify the type of POE, it is af or at standard. Test the open, short, cross status in the network cable.
Noyafa NF-8504 Tester rj45 LCD Network Cable Tester PoE Checker Inline Voltage C
NOYAFA NF-8108M RJ45 Cat5E/6E NetWork Lan Cable Wire Length Tester
NOYAFA NF-8108M RJ45 Cat5E/6E NetWork Lan Cable Wire Length Tester+8 Remote Unit
NOYAFA NF-8108 RJ45 Ethernet NetWork Lan Cable Wire Tester
Noyafa Nf-8504 POE cable Tester RJ45 Cat5/6
