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Characterization and Compliance Testing for 400G/PAM4 Designs Webcast

1   Hour | Webcast - recorded | Where & When


Most 400G links used in high-speed Datacom applications will utilize signaling formats such as pulse amplitude modulation 4-level (PAM4) to achieve design goals set forth by draft standards such as 400G Ethernet (IEEE 802.3bs and IEEE 802.3cd) and OIF-CEI-56G. As new 400G designs transition from simulation to first prototype hardware, engineers are now faced with the challenging task of reviewing the standards in order to develop a test plan. Fortunately, the methods that describe how to characterize 400G transmitter outputs, channel operating margin (COM), and receiver inputs, are becoming more stable.

This webcast covers both electrical and optical compliance testing to the latest drafts of these standards, as well as additional tools for simulation and design validation to assure interoperability.


Advanced development researchers, design engineers, signal integrity engineers, validation engineers, test engineers, architects, project managers, program managers, application managers, and application engineers.


Steve Sekel, 400G Solutions Specialist, Keysight Technologies
Steve Sekel is currently the 400G solutions specialist in the Internet Infrastructure team within the Networking and Data Center division at Keysight. In this role, he guides the requirements definition for solutions and solution components used for characterization and compliance testing of everything within the data center ecosystem involving ‘400G class’ optical and electrical links. Steve currently represents Keysight in the CEI (Common Electrical Interface) project working groups within the Optical Internetworking Forum where is has made several technical contributions to compliance testing specifications and methodology. In the OIF, he also serves as the chair of the Physical and Link Layer Interoperability Working Group. He also is a contributor in the IEEE 802.3bs and 802.3cd projects developing next generation Ethernet links operating in the range of 50 – 400Gb/s. Recently he has made similar contributions within the 32G Fibre Channel standard working group.

Rob Sleigh, Strategic Product Planner, Keysight Technologies
Robert Sleigh is a Product Manager for sampling scope solutions in Keysight Technologies' Network and Data Center organization. His responsibilities include product development of pulse amplitude modulation 4-Level (PAM-4) test solutions based on Keysight’s high-speed electrical and optical digital communications analyzer (DCA). Robert's experience at Keysight Technologies/Agilent Technologies/Hewlett-Packard includes 5 years in technical support and over 12 years in technical marketing. Prior to working at Keysight, Robert worked for 10 years at Westel Telecommunications in Vancouver, British Columbia, Canada, designing microwave and optical telecommunication networks. Rob earned his B.S.E.E. degree from the University of Victoria.

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