Приборы для испытания телефонных линий

Phone line testers are used in the installation and maintenance of phone lines. They are sometimes referred to as Lineman's Sets or Butt Sets.

Phone line testers resemble a traditional phone handset with an earpiece, mouthpiece and dial keypad. They also have leads which connect to a landline circuit for testing the telephone line. These test leads are commonly make a connection using cro...