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Industry: Email Alert RSS FeedSonet/SDH framer turns into line-card-on-a-chip.(TechView: communications; Infineon Technologies' Tethys family )
Electronic Design, August, 2003 by Frenzel, Louis E.
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The Tethys family of Sonet/SDH Multi-Rate Framer ICs collapses the traditional line card into one chip, so it's easier and cheaper than ever to implement next-generation equipment like add/drop multiplexers and digital cross-connect switches. Prior solutions used five or more ICs to implement these functions.
The IC aggregates up to 16 channels of traffic, serializer/deserializer (SERDES), pointer processing, clock and data recovery, and transport overhead (TOH) and path overhead (POH) processing. Manufacturers of line cards for trunk, tributary, and service applications can ...
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