Boots – shoes – and leggings
Patent
1989-12-04
1992-11-24
Teska, Kevin J.
Boots, shoes, and leggings
371 51, G06F 1130, G06F 1520
Patent
active
051668904
ABSTRACT:
A performance monitoring system is provided for in-service monitoring of digital carrier facilities of the type having a chain of facilities serially linked together. Each facility has at least one component which processes a digital signal received from an upstream facility, and which has bit error detection circuitry for producing a logic level output in response to detection of an error in the digital signal. A logic circuit is associated with each component in a facility and is responsive to the logic level output of the bit error detection circuitry with which the logic circuit is associated for storing a representation of the number of errors detected thereby. A control center is provided for in-service monitoring of the performance of the components in the facilities. A connection circuit is provided for selectively connecting the logic means to the control center.
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Southwestern Telephone Company
Teska Kevin J.
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