This analog line tester is suitable for all instalers installing telephone equepement on POTS line.
Led indications signaling the status of analog line.
It has 3 LED diodes signaling:
- no light: no line connection
- Red light: current line < 20mA
- Green light: OK line AB
- Yellow light: OK line BA
- Red & Green light: AB current > 60mA
- Red & Yellow light: BA current > 60mA