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The DMS-100 is a member of the Digital Multiplex System (DMS) product line of telephone exchange switches manufactured by Northern Telecom. Designed during the 1970s and released in 1979, it can control 100,000 telephone lines. [1] The purpose of the DMS-100 Switch is to provide local service and connections to the PSTN public
A DMS-10 used as a lab trainer at Southeast Missouri State University. A DMS-100 used by an operator to offer local and long distance services in France.. Digital Multiplex System (DMS) is the name shared among several different telephony product lines from Nortel Networks for wireline and wireless operators.
DMS-100 family DMS-100 (large local digital Class 5) (also known as an SL-100 when used as CPE (Customer Provided Equipment or PBX service) also known as Centrex. A Nortel DMS-100e used by an operator to offer local and long-distance services in France; DMS-100/200 (local/toll digital more than 135,000 lines) DMS-200 (toll digital)
Its success went on to power the company into a leadership position in the telephony world, and led to expanded designs "up and down" to provide products at all sizes, including the DMS series high-end machines, and the Meridian Norstar for smaller installations up to 200 users. The SL-1 was gradually enhanced (peripheral hardware, packaging ...
In contrast to Nortel's DMS-100 which uses individual line cards with a codec, most lines are on two-stage analog space-division concentrators or Line Units, which connect as many as 512 lines, as needed, to the 8 Channel cards that each contain 8 codecs, and to high-level service circuits for ringing and testing. Both stages of concentration ...
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The Nortel DMS-250, a larger variant of the DMS-100, is a popular competitor to Lucent's 4ESS, especially among telephone companies that were not previously a part of AT&T. Other DMS switches can also be used as tandems. The Nortel SP1 4-Wire was an early electronic switch used as a class-4 switch. [5]
Recognized as one of Canada’s Top 100 Most Powerful Women and as the executive director of the Society of Composers, Authors and Music Publishers of Canada (SOCAN) Foundation, Wall-Andrews, Ph.D ...