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TOPS - Traffic Operator Position System is a computerized operator telephone switchboard designed by Bell-Northern Research Labs for the SP-1 4 Wire Switch in the early 1970s and still widely used today by toll and directory-assistance operators. The terminals known as 'TOPS Positions' are usually connected to Nortel DMS-100 and DMS-200 telephone switches. ==Systems== Below are some of the different TOPS systems developed: ;TOPS MP TOPS Multipurpose Position. An earlier-generation operator position for toll and assistance and directory assistance. ;TOPS - MPX A previous-generation operator position based on industry-standard personal computer customized with Nortel Networks components and interfaces to provide connectivity with IBM directory databases. ;TOPS Traffic Operator Position System. Nortel Networks' operator services system based on the DMS TOPS switch. ;TPC TOPS Position Controller. (Previous generation equipment required for TOPS MP positions) The processing unit that provides intelligence and interfaces to the switch for up to four TOPS MP operator positions. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「TOPS (Nortel)」の詳細全文を読む スポンサード リンク
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