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Validation of Achieving 100-Gbps Signaling per Electrical Lane Over 2 Meters of Passive Twin Axial Copper Cable


Richard Mellitz  (Distinguished Engineer , Samtec)

OJ Danzy  (Senior RF and Microwave Application Engineer, Keysight Technologies)

Michael Resso  (Signal Integrity Application Scientist , Keysight Technologies)

Mike Sapozhnikov  (Signal Integrity Manager, Cisco Systems)

Michael Klempa  (Ethernet and Storage Technical Manager of the PCIe, OCP NIC and Ethernet Testing Services , UNH-IOL)

Location: Ballroom D

Date: Thursday, January 30

Time: 8:00am - 8:45am

Track: 13. Modeling & Analysis of Interconnects, 12. Applying Test & Measurement Methodology

Format: Technical Session

Pass Type: 2-Day Pass, All-Access Pass, Alumni All-Access Pass - Get your pass now!

Vault Recording: TBD

Audience Level: Intermediate

The IEEE 802.3ck Task Force is developing physical layer (PHY) specifications for operating speeds of 100 Gb/s, 200 Gb/s and 400 Gb/s based on 100 Gb/s signaling per electrical lane. The IEEE 802.3 PHY specifications contain the transmission medium as well as the mechanical and electrical interfaces between the transmission medium. The Task Force objectives include supporting operation over electrical backplanes, with an insertion loss ≤28 dB at 26.56 GHz, and supporting operation over twin-axial copper cables with lengths up to at least 2 m; for single-lane (100 Gb/s), two-lane (200 Gb/s), and four-lane topologies (400 Gb/s).


Users of standards often question the basis for the specifications. Insight into the standards analysis and decision process will be detailed. Developing test and validation processes and philosophies often incur questions which may not be immediately evident on reading the specification; the paper is to assist with that understanding,

Presentation File