Cross-connect switch and method for providing test access theret

Details Cross-connect switch and method for providing test access theret Cross-connect switch and method for providing test access theret

1988-04-19

1989-07-04

Schreyer, Stafford D.

Telephonic communications

Diagnostic testing, malfunction indication, or electrical...

Testing of subscriber loop or terminal

379272, H04M 326, H04B 346

Patent

active

048457361

ABSTRACT:
The invention comprises an improved cross-connect switch constructed from a plurality of switch modules for connecting input lines to output lines. The improved switch includes a test access system in which selected input or output lines of the cross-connect switch are utilized as test ports. The switch utilizes computer algorithms to make connections between a test port and one of the switch modules through which a path connecting specified input and output lines passes to make a bridging connection to the path.

REFERENCES:
patent: 4173713 (1979-11-01), Gesken et al.
patent: 4401861 (1983-08-01), Braun et al.

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