Apparatus for switch path verification

Details Apparatus for switch path verification Apparatus for switch path verification

1983-04-29

1985-09-17

Smith, Jerry

Excavating

371 8, 370 13, G06F 1104

Patent

active

045425078

ABSTRACT:
The present invention relates to an apparatus for verifying a data path through a digital switch between a transmitting port and a receiving port. The apparatus comprises a transmitter which transmits a test data block in a first predetermined time slot which corresponds to the time slot associated with the transmitting port. A receiver receives the test data block in a second predetermined time slot, which corresponds to the time slot associated with the receiving port. Test logic examines the received test data block to determine that the test data block has been transmitted error-free through the digital switch thereby verifying the data path.

REFERENCES:
patent: 3790769 (1974-02-01), Ziegler
patent: 3891838 (1975-06-01), Herr et al.
patent: 4146749 (1979-03-01), Pepping et al.
patent: 4402082 (1983-08-01), Cope
patent: 4417337 (1983-11-01), Favin et al.
J. Cholat-Namy, Local Loop Test for Multiport Modems, IBM Technical Disclosure Bulletin, 4/80, p. 4956, vol. 22, No. 11.
Beck, An Automated Tester for STD Trunks, Siemens Review XLII, No. 7, Jul. 1975, pp. 285-288.
Bax, 140 Mb/s Coaxial Transmission System 8TR 609, Philips Telecommunications Review, vol. 37, No. 3, Aug. 1979, pp. 144-160.

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