Includes an emitter and a receiver unit
Direct wire check with Rj45, Rj11 and other type through the attachment
Check open/short circuit and line sequence
Test device used with UTP and STP wiring
Allow one person to test T568A, T568B, 10Base-T and Token Ring
Checks for open circuits, shorts, reversals, miswires and split pairs of network wires
Judge continuity of the cables or wires
Identify the state (clear /ringing /busy) of the working telephone line
Detects switch connection condition
Telephone line DC level test
Safety as per IEC1010-1 Cat. III 600V

Technical specifications
Tone frequency: 2k /3kHz
Receiver: 9Vx1, 6F22, 241.5x78x38.5mm, 263g approx.
Emitter: 1.5Vx6, AAA size; 190x89x42.5mm, 370g approx.