CHESS-II Sonet/SDH channelization chip set to enable consolidation of metro optical networks

March 19, 2001

1 Min Read

BURNABY, British Columbia -- PMC-Sierra (NASDAQ: PMCS) today introduced an OC-192/STM-64 line rate optical networking architecture that enables Internet Service Providers (ISPs) and telecommunication carriers to deliver voice, video and data services across a single optical transport backbone. Targeted at Broadband Internet Infrastructure equipment for the emerging Metropolitan Area Networks (MAN), PMC-Sierra’s CHESS-IIÔ (Channelizer Engine for SONET/SDH) chip set enables optical transport functionality, sub-wavelength cross-connection and network service aggregation.

The CHESS-II chip set includes the PM5317 SPECTRAÔ-9953 (STS-1 Channelized framer and pointer processor), PM5307 TBS-9953 (groomer and serializer), PM5374 TSE-160 (160 Gbit/s STS-1 cross-connect) and the PM5395 CRSU-4x2488 (4xOC-48 clock and data recovery). The CHESS-II chip set’s unique architecture enables consolidation of traditional SONET/SDH equipment (SONET/SDH Add/Drop Multiplexers [ADMs], Terminal Multiplexers and Broadband Digital Cross-Connects), together with IP routers and multi service switches into a single shelf platform.

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