CT107 Tone Generator

Tone mode generates an alternating (700 Hz-1300Hz) or continuous
(1000Hz) signal which is sensed with a CT108 Tone Tracer for insulated conductors
or a handset for bare conductors.
Provides talk power for handsets on "dead" line circuits during installation.
Tests continuity to 10K ohms and voltage from 5 to 48 volts AC/DC.
Provides polarity (tip and ring side) indication of the central office battery at the protector or modular outlets.
Made in U.S.A.