Hunts
5E, 6E, telephone wire, coaxial cable, USB cable and other cables
Checks Wiring Error
5E, 6E, Telephone line, Coaxial & USB cable
also checks
open&short circuit/JumperWire/ReverseConnection/crosstalk interference
Remote Identifier Test Jacks
(ID 1 ≥ ID 8) Far-end Jacks
Power
2 x laminated batteries of 9V