Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Of centralized switching system
Patent
1993-04-01
1995-02-28
Chin, Stephen
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Of centralized switching system
379 32, 379 60, H04M 308, H04M 1100
Patent
active
053944593
ABSTRACT:
A malfunction position detection system is disclosed for a modular telecommunication facility. Each telecommunication facility is constructed out of a plurality of modular cabinets which are positioned in a station rack. The malfunction position detection system includes switches for setting the position of each cabinet in the station rack. The cabinet position is read off of a bus connected to the switches by a plurality of electronic units connected to the cabinet. The cabinet position is stored in some of the electronic units. As a result, the cabinet position can be sent along with an error message to the cellular system when an error occurs.
REFERENCES:
patent: 3795860 (1974-03-01), Sylvan
patent: 4694484 (1987-09-01), Atkinson et al.
patent: 4736406 (1988-04-01), Molnar
patent: 4857833 (1989-08-01), Gonzalez et al.
patent: 5195085 (1993-03-01), Bertsch et al.
Djuphammar Hakan O.
Hagstrom Ulf
Nilsson Sven E.
Chin Stephen
Ericsson - GE Mobile Communications Inc.
Kim Kevin
Telefonaktiebolaget L M Ericsson
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