Excavating
Patent
1987-04-08
1989-04-11
Smith, Jerry
Excavating
371 15, G06F 1130
Patent
active
048212679
ABSTRACT:
Monitoring apparatus is disclosed for monitoring the operating condition of transmission facilities of communications transmission technology, whereby signal collectors (stations) of a signal collecting device collect trouble reports acquired in monitoring the transmission. The monitoring apparatus should collect trouble reports in as economical a manner as possible and should keep further criteria for the quality of the monitored transmission devices ready for interrogation, as needed. This is achieved by a monitoring apparatus having an evalution and memory device which periodically registers measured values. The measuring device can be advantageously employed for monitoring line terminal equipment in PCM transmission facilities.
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"Die Alarmregistrieranlage Arega A 150"; E. Diggelmann, B. Luescher, Hasler-Mitteilungen Nr. 3, 1975; pp. 77-88.
"Measurement of Error Performance on Digital Line Systems", P. J. May, Colloqniumon Interference and Crosstalk on Cable Systems, Jan. 12, 1984, pp. 3/1-3/8.
"Telecom Report 2", Special Issue Digital Transmission, 1979, p. 188.
Druegh Paul
Schmidt Volker
Beausoliel Robert W.
Siemens Aktiengesellschaft
Smith Jerry
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