Search results
Results From The WOW.Com Content Network
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
The DMS-250 is the backbone of a number of carriers' long-distance networks. The DMS-300 is an international gateway switch, and the DMS-500 is commonly deployed by competitive local exchange carriers because it combines DMS-100 and 250 capabilities. DMS switches run a proprietary multitasking operating system known as SOS.
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)
Pages for logged out editors learn more. Contributions; Talk; DMS100
Starting in 1977, Nortel grew rapidly after the introduction of its DMS line of digital central office telephone switches, especially after the AT&T breakup in 1984. Northern Telecom became a significant supplier in Europe and China [ 37 ] [ citation needed ] and was the first non-Japanese supplier to Nippon Telegraph and Telephone .
A large-scale switch based on the DMS-100 is sold as the Meridian SL-100; Resellers, and accessory manufacturers frequently but erroneously use the phrase "Meridian Option" to refer to the Meridian 1 range, to distinguish it from the smaller and larger Norstar and SL-100
The first was a DMS-10 switch in a small community Embrun just outside of Ottawa, Canada. This took place in the mid 1970's. This was followed by the first toll office DMS-200 (VO1)at 78 Oconnor, Ottawa and the first DMS-100 (VO2) went into service at 190 Iona St. Ottawa in late 1979.
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]