PMC-Sierra Enables Cost Effective Carrier-Class SONET/SDH Metro Transport Network Upgrades With OC-48/STM-16 and OC-192/STM-64 Chip Set

6/3/2002 - PMC-Sierra (NASDAQ:PMCS) today announced the CHESS-III(TM) chip set for aggregating, grooming, and transporting 2.5Gbps and 10Gbps metro services. The chip set establishes a new benchmark for technology and innovation. CHESS-III simplifies design and network management and substantially reduces carrier systems costs. The chip set enables original equipment manufacturers (OEMs) to leverage deployed line cards into new and more advanced systems, thereby preserving existing service provider investment and infrastructure. The CHESS-III chip set includes the PM5376 TSE-Nx160(TM) STS-1/AU-3 cross-connect device, PM5326 ARROW-2x192(TM), and PM5324 ARROW-1x192(TM) SONET/SDH framers. CHESS-III is ideal for Multiservice Provisioning Platforms (MSPP) (see Figure 1), sub-wavelength cross-connects, and Add/Drop Multiplexers (ADMs) for metropolitan transport markets.

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