H - Electricity – 04 – L
Patent
H - Electricity
04
L
340/73, 324/58.4
H04L 1/00 (2006.01) G01R 31/04 (2006.01)
Patent
CA 1222800
TERMINAL DISCONNECT AND MEDIA WIRE FAULT DETECT MECHANISM ABSTRACT A device, method and system for testing in situ the wiring of a ring or similar type local area network having a loop conduction path with a plurality of data terminal equipment (DTE) coupled to said loop conduction path. The DTE is provided with a mechanism for generating a d.c. current. The d.c. current flows from the DTE through a length of interconnecting conductors and self-shorting connectors into the loop conduction path. A current measuring device monitors the current at the interconnecting conductors for imbalance current flow and/or over current. The presence of either a current imbalance and/or over current indicates a malfunctioning (short circuit, broken wire, etc.) in the wiring.
455136
Annunziata Eugene J.
Stammely Thomas E.
Barrett B.p.
International Business Machines Corporation
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