Testing unit by which communication links can be selected and te

Details Testing unit by which communication links can be selected and te Testing unit by which communication links can be selected and te

1994-07-26

1995-10-31

Beausoliel, Jr., Robert W.

Excavating

G06F 1100

Patent

active

054636329

ABSTRACT:
A testing unit allows an operator to select and test communication links of a communication system between an intermediate station and remote stations. Each remote station contains another communication link for establishing a second communication system between the intermediate station and the remote stations. The testing unit contains a first communication link for receiving and transmitting signals generated from a computer. This first communication link is part of the second communication system. The testing unit also includes a control unit which is connected to the first communication link for receiving and transmitting signals therefrom, and a second communication link which is connected to the control unit for receiving and transmitting signals therefrom. The second communication link is part of the second communication system so that communication can be established between the computer and the remote stations via the intermediate station by means of the second communication system. Finally, the testing unit includes a switching system controlled by the control unit and interconnecting the corresponding communication links with a generating and measuring device, whereby the operator can select at least one of the links between the intermediate station and one of the remote stations by sending command signals via the second communication system, and monitor a test procedure on the link that has been selected via the second communication system.

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