Switching network test system

Details Switching network test system Switching network test system

1980-10-14

1983-08-30

Brigance, Gerald L.

Multiplex communications

Wide area network

Packet switching

1791752R, H04J 300, H04Q 1104

Patent

active

044020740

ABSTRACT:
A test system for a stored program controlled time-division switching network subdivided into subsystems. The test system includes circuits for selecting, injecting and retrieving data samples and testing for the correct setting of switchpaths through the switching network. A stored program control unit receives test instructions and transmits in response thereto reporting messages including retrieved data samples. A selection control circuit interconnects the subsystems to which a test instruction relates. The subsystems are provided with an interchange circuit for receiving and storing samples, a sample injection and retrieval circuit, and a circuit for synchronizing the receiving and storing circuit with time slot information identifying a sample which has been received and the sending circuit with the time slot into which a sample is injected.

REFERENCES:
patent: 3909562 (1975-09-01), Lager
patent: 4064369 (1977-12-01), Battocletti
patent: 4254498 (1981-03-01), Tawara et al.
patent: 4302836 (1981-11-01), d'Ivoire et al.
patent: 4355386 (1982-10-01), Binz et al.

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