Testing coaxial cable BNC, UTP and STP.
Self implement T568A, T568B, 10Base-Tand Token Ring cables testing.
Testing cable's shield integrity.
Judge continuity of the cables or wires.
Track the cables or wires, and diagnose the break point.
Receive the tone signal on the cables or wires /telephone line/.
Send a single solid or a dual alternating tone to the target cables or wires.
Identify the state in the working telephone line: clear, ringing, busy.