Continuous on-line link error rate detector utilizing the frame bit error rate
Patent 5138616 Issued on August 11, 1992. Estimated Expiration Date: 
March 19, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
March 19, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesRepeatered, multi-channel fiber optic communication network having fault isolation system Local and remote bit error rate monitoring for early warning of fault location of digital transmission system Bipolar violation rate calculation method Digital data communications terminal and modules therefor Method and device for the acquisition of synchronization bits in data transmission systems Patent #: 4860323 InventorsAssigneeApplicationNo. 495553 filed on 03/19/1990US Classes:714/704, Error count or rate714/708Shutdown or establishing system parameter (e.g., transmission rate)ExaminersPrimary: Smith, JerryAssistant: Lebowitz, Henry C. Attorney, Agent or FirmForeign Patent References
International ClassG06F 011/30AbstractThe framing bit errors of a received digital communications signal are monitored and recorded. The framing bit error rate is determined and an audible alarm is sounded when the error rate exceeds a predetermined threshold value in a plurality of calculation modes. The framing bit error rate and the total framing bit errors detected over a predetermined fixed time period is also displayed. A link to a remote network monitor can be implemented for monitoring and displaying framing bit error rate at a remote location.Other References
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