modulation

PAM4 for 400G Optical Interfaces and Beyond (Part 1)

Written by Zhenbo Xu, Technical Marketing Engineer, Transceiver Modules Group, Cisco     Non-Return to Zero (NRZ), an intuitive and simple modulation format, has been adopted for decades for both electrical and optical data transmission. However, as serial data rates increase to 25G and be…

January 13, 2014

NETWORKING

HDX Blog Series #2: Scaling with Turbo Performance

Editor’s Note: This is the second of a four-part deep dive series into High Density Experience (HDX), Cisco’s latest solution suite designed for high density environments and next-generation wireless technologies. For more on Cisco HDX, visit www.cisco.com/go/80211ac.  Read part 1 here.  With any ne…