Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Patent
1990-04-30
1991-10-01
Schreyer, Stafford D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of subscriber loop or terminal
379 29, H04M 330
Patent
active
050540505
ABSTRACT:
Disclosed is a means for testing drop wires in digital loop systems which employ optical fiber up to a distant terminal near the subscriber's premises. A test module is provided at the distant terminal to determine the presence or absence of faults on the wires to the customer premises. The results of the test are transmitted via an optical data link to the remote terminal where the results can be accessed by a loop tester at the central office.
REFERENCES:
patent: 4196321 (1980-04-01), Bosik
patent: 4270030 (1981-05-01), Brolin et al.
patent: 4451916 (1984-05-01), Casper et al.
Burke Michael E.
Colodner Samuel
Luu Huy T.
Saneski Steven P.
American Telephone & Telegraph Co.
Schreyer Stafford D.
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