{"title":"Real-time multi-channel monitoring of communications on a T1 span","authors":"R. A. Law, T. W. Holm, N. Cox","doi":"10.1109/PACRIM.1991.160740","DOIUrl":null,"url":null,"abstract":"The evolution of a successful telecommunications monitoring device is described from its inception to its installation across Canada. This product, called the service discrimination unit (SDU), is a powerful and flexible platform for digital processing of signals on a T1 span. Signal processing is provided by Motorola DSP56001 digital signal processors and control functions are provided by Motorola 68HC11 processors. The SDU's first commercial application is to apply the DSP processing power to determine if the traffic being carried on a telephone line is voice, modem data, or facsimile data.<<ETX>>","PeriodicalId":289986,"journal":{"name":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","volume":"69 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1991-05-09","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"[1991] IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/PACRIM.1991.160740","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 1
Abstract
The evolution of a successful telecommunications monitoring device is described from its inception to its installation across Canada. This product, called the service discrimination unit (SDU), is a powerful and flexible platform for digital processing of signals on a T1 span. Signal processing is provided by Motorola DSP56001 digital signal processors and control functions are provided by Motorola 68HC11 processors. The SDU's first commercial application is to apply the DSP processing power to determine if the traffic being carried on a telephone line is voice, modem data, or facsimile data.<>
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