Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of trunk or long line
Patent
1990-08-23
1992-04-21
Schreyer, Stafford D.
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of trunk or long line
324 66, H04M 322, H04B 346
Patent
active
051075326
ABSTRACT:
A system for tracing a conductor connected between a terminal of one terminal block and a terminal of another terminal block within a network of conductors and terminal blocks includes a supervisor associated with each terminal block for imposing a trace signal selectively on any of the terminals of said block. The supervisor also detecting a trace signal appearing on any of said terminals. A controller communicates with the supervisors to cause a selected supervisor to impose a trace signal on one of the terminals of its associated terminal block, and receives from the supervisors a report of another terminal at which the trace signal appears.
REFERENCES:
patent: 4208553 (1980-06-01), Kaplan
Communications Week; Mar. 20, 1989; p. 3, Anixter, The BIX Cross-Connect System.
Ross Smith, Mike Lumpkin; Troubleshooting LANs for Improved Uptime: TPT/Networking Management; Feb., 1989; pp. 44-50.
Forth Ronald I.
Hansen John G.
Cable Management International, Inc.
Schreyer Stafford D.
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