Arrangement for single line testing

Details Arrangement for single line testing Arrangement for single line testing

1982-12-01

1984-06-05

Schreyer, Stafford D.

1791752B, 17917523, H04M 326

Patent

active

044530498

ABSTRACT:
An arrangement for testing a single subscriber line, which is operationally connected to an electromechanical switching system is shown. Operational service is to be transferred from the electromechanical switching system to a digital switching system. The arrangement provides for isolating subscribers which share common line equipment, for verifying the subscriber's line and its ringing characteristics.

REFERENCES:
patent: 3752940 (1973-08-01), Santulli et al.
patent: 3892928 (1975-01-01), Casterline et al.

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