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October 13, 2016

Marvell Unveils Industry’s First 25G PHY Transceiver Fully Compliant to IEEE 802.3by 25GbE Specification

By Venu Balasubramonian, Marketing Director, Connectivity, Storage and Infrastructure Business Unit, Marvell

Alaska C 88X5123 enables adoption of 25G Ethernet in datacenters and enterprise networks

Server room in data center.Server room in data center. 

Growing demand for networking bandwidth is one of the biggest pain points facing datacenters today. To keep up with increased bandwidth needs, datacenters are transitioning from 10G to 25G Ethernet (GbE). To enable this, IEEE developed the 802.3by specifications defining Ethernet operation at 25Gbps, which was ratified recently. We are excited to introduce the high performance Marvell Alaska C 88X5123 Ethernet transceiver, the industry’s first PHY transceiver fully compliant to the new IEEE 25GbE specification. 

Availability of standards-compliant equipment is critical for the growth and widespread adoption of 25GbE. By delivering the industry’s first PHY device fully compliant to the IEEE 802.3by 25GbE specification, we are enabling our customers to address the 25GbE market by developing products and applications that meet this newly defined specification. 

In addition to supporting the IEEE 802.3by 25GbE specification, our 88X5123 is also fully compliant to the IEEE 802.3bj 100GbE specification and the 25/50G Ethernet Consortium specification. The device is packaged in a small 17mm x 17mm package, and supports 8 ports of 25GbE, four ports of 50GbE or two ports of 100GbE operation. The device also supports gearboxing functionality to enable high density 40G Ethernet solutions, on switch ASICs with native 25G I/Os. 

With support for long reach (LR) SerDes, and integrated forward error correction (FEC) capability, the 88X5123 supports a variety of media types including single mode and multi-mode optical modules, passive and active copper direct attach cables, and copper backplanes. The device offers a fully symmetric architecture with LR SerDes and FEC capability on host and line interfaces, giving customers the flexibility for their system designs. 

For more information on Marvell’s Alaska C 88X5123 Ethernet transceiver, please visit: http://www.marvell.com/transceivers/alaska-c-gbe/

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