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Munich-based Infineon and Camarillo, Calif.-based Vitesse aim to provide system designers an end-to-end solution of critical silicon content for SONET/SDH systems. Interoperability between the Infineon framers and the Vitesse TSIs includes products from each company's SONET/SDH roadmap for 160 Gbps (gigabit-per-second), 320 Gbps and 640 Gbps SONET/SDH systems, as well as system-level reference designs for rapid development and deployment of next-generation systems.
The first result, the companies report, from this collaboration is interoperability between the Infineon Tethys SONET/SDH Multi-Rate Framer IC and the Vitesse VSC9185 TSI.
Test results from the Tethys framer and VSC9185 TSI reference design and supporting software clearly demonstrate interoperability in terms of signal integrity, clock synchronization, frame alignment and automated, manual and hitless switching. Electrical compatibility and logical compatibility, including AC and DC coupling, optical connectivity and SONET framing at 2.5 Gbps, were shown to work error-free, Infineon and Vitesse report.
This reference design and all related software and documentation for operation are now available, the companies report, and can be used by SONET/SDH telecommunications system operators and manufacturers to upgrade circuit-handling capacity by integrating Tethys framer-based line cards into their existing hardware.
"This is an important event," said Jeff Camillo, product marketing manager for the Infineon North America Communications Business Group, "because it means our customers can be assured of compatibility between our framers and one of the most widely used TSI product families in the industry, both now and in the future. We expect the relationship with Vitesse to be beneficial for everyone involved, but especially for the system OEM, who can now more easily achieve seamlessly integrated, high-density systems."
The companies are now focused on interfacing their TFI-5-compliant devices, such as Vitesse's VSC9195, a 340 Gbps, 136-channel, non-blocking TSI and the Tethys Multi-Rate Framer. Use of a TFI-5 interface is designed to ensure an integrated solution for next-generation SONET/SDH system deployments, resolving such system issues as automatic protection switching (APS) and performance monitoring.
"Infineon's collaboration with Vitesse illustrates that the major players in the SONET/SDH market are committed to supporting their customers with complete, interoperable solutions rather than just point products," Andy Ebert, product marketing manager for Vitesse, said. "Combining our experience and mastery of signal integrity and SONET/SDH system issues, customers gain a significant reduction in both development costs and time-to-market."
The Tethys SONET/SDH Multi-Rate Framer family of ICs provides functions for next-generation SONET/SDH networking equipment in such applications as add/drop multiplexers (ADMs) and digital cross-connect switches. The functions include aggregation of up to 16 channels of traffic, pointer processing, serializing/deserializing, clock and data recovery, and transport overhead and path overhead processing. The Tethys framers are designed to provide flexibility by allowing every port to be independently set for a different data rate, permitting "any port, any rate" configuration, and by providing a direct interface to optical modules. The Tethys 448 supports 16 channels of OC/STS-3/STM-1, 16 channels of OC/STS-12/STM-4, or 16 channels of OC/STS-48/STM-16, which can be mixed in any required combination. In addition to the Tethys 448 capabilities, the Tethys 4192 can support four channels of OC/STS-192/STM-64.
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