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QSFP-DD MSA Group Announces Two Updated Specifications
[July 11, 2019]

QSFP-DD MSA Group Announces Two Updated Specifications


The Quad Small Form Factor Pluggable Double Density (QSFP-DD) Multi Source (News - Alert) Agreement (MSA) group today announces the release of an updated Common Management Interface Specification (CMIS) revision 4.0 for the QSFP-DD form factor. To continue to address the evolving industry needs for an improved high-density, high-speed networking solution, 65 companies came together in support of the QSFP-DD MSA.

As the adoption of 400 Gigabit Ethernet (GbE) grows, CMIS was designed to cover a wide range of module form factors, functionalities and applications, ranging from passive copper cable assemblies to coherent DWDM modules. CMIS 4.0 can be used as a common interface by other 2, 4, 8 and 16 lane form factors, in addition to QSFP-DD. Other notable features include firmware upgrade, diagnostic capabilities, improved State Machine support as well as support for WDM / Coherent modules.

The group also announces the release of an updated hardware specification revision 5.0 for QSFP-DD. This update supports up to 20 watts with improved thermal management. It includes new optical connectors; SN and MDC, a label area specification, improved latching definition and enhanced Pulse (News - Alert) Per Second (ePPS) pin.

QSFP-DD is the premier 8-lane data center module form factor. Systems designed for QSFP-DD modules can be backwards compatible with existing QSFP form factors and provide maximum flexibility for end users, network platform designers and integrators.

"Through strategic collaborations with our MSA companies, we continue to test the interoperability of multiple vendors' modules, connectors, cages and DACcables to assure a robust ecosystem," said Scott Sommers, founding member and MSA co-chair. "We remain committed to developing and providing next-generation designs that evolve with the changing technology landscape.''



Established in March 2016, the QSFP-DD MSA group accepted the challenge to meet the market demand for a next-generation high-density, high-speed pluggable backwards compatible module form factor. QSFP-DD MSA founder-promoters included Broadcom, Cisco, Corning, Finisar, Foxconn Interconnect Technology, Huawei, Intel (News - Alert), Juniper Networks, Lumentum, Mellanox Technologies, Molex and TE Connectivity.

"As the industry continues to converge on QSFP-DD, we believe the economies of scale will manifest and allow 400GbE to reach its full potential," said Mark Nowell, founding member and MSA co-chair. "We are excited to share new updates and grow the previous thermal and high-speed signal integrity validation previously shared by the MSA."


Contributors include Acacia, ACON, Alibaba, Amphenol, Applied Optoelectronics, APRESIA Systems, Celestica, Ciena, ColorChip, Credo, Dell (News - Alert) EMC, Delta Products, Dust Photonics, Eoptolink, Fourte, Fujitsu Optical Components, Genesis, H3C, Hisense Broadband, Hitachi Metals, Hewlett Packard Enterprise, InnoLight, Innovium, Inphi, JPC, Kaiam, Keysight Technologies , LEONI, Lorom, Luxshare-ICT, MACOM, Marvell, MaxLinear, MultiLane, NeoPhotonics, Nokia, Panduit, PHY-SI, Ranovus, Samtec, SENKO, Semtech, Sicoya, Siemon (News - Alert), Skorpios Technologies, Source Photonics, Spectra7 Microsystems, Spirent, Sumitomo Electric, US Conec, Xilinx and Yamaichi Electronics.

The QSFP-DD MSA specifications are available for free download at the QSFP-DD MSA website www.qsfp-dd.com.

Caution Concerning Forward-Looking Statements

We are disclosing forward-looking information so that investors, potential investors, and other owners can better understand the mentioned Companies' future prospects and make informed investment decisions. The information in this press release contains "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995. These statements can be identified by the fact that they do not relate strictly to historical or current facts. Any forward-looking statement made by the Companies speak only as of the date on which it is made. The Companies are under no obligation to, and expressly disclaim any obligation to, update or alter their forward-looking statements, whether as a result of new information, subsequent events or otherwise.


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