1
David J Olek: Method and apparatus for testing remote communication systems. Teleprobe Systems, Pennie & Edmonds, May 5, 1987: US04663775 (18 worldwide citation)

A method and apparatus are described for testing a telecommunication line despite a gap in a metallic line between the testing system at a central office and the subscriber's line. On the subscriber's or remote end of the gap in the metallic line, apparatus is provided for performing certain desired ...


2
David J Olek: Method and apparatus for configurable line testing. TII Computer Systems, Pennie & Edmonds, March 4, 1986: US04574167 (5 worldwide citation)

A method and apparatus are provided for eliminating the need to access those telephone lines that do not have to be tested while still using the sequential line accessing capabilities of the central office switching equipment. As a result dial access time is minimized without the penalty of having t ...


3
David J Olek: Method and apparatus for supervising the accessing and testing of communication systems. TII Computer Systems, Pennie & Edmonds, March 1, 1988: US04729126 (4 worldwide citation)

An apparatus for accessing and testing communication systems and for controlling said accessing and testing. A microprocessor operates under software control to perform various supervisory and computational functions. Communications components permit the microprocessor to interface with components d ...