Subscriber telephone equipment test apparatus

Details Subscriber telephone equipment test apparatus Subscriber telephone equipment test apparatus

1987-08-07

1989-04-25

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Of data transmission

379 28, 379 32, 324111, 320 1, H04M 124, H02M 700

Patent

active

048254584

ABSTRACT:
A telephone network test apparatus for testing for a number of different conditions that can cause harm to a telephone network. Described herein is a circuit for measuring signal power level as well as a circuit for measuring surge voltages. Finally there is described a circuit for measurement of voltage balance.

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