QSFP(QuadSmallFormfactorPluggable)Transceiver

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** Information Specification ** INF-8438i Rev 1.0

QSFP (Quad Small Formfactor Pluggable) Transceiver

SFF Committee documentation may be purchased in hard copy or electronic form

SFF specifications are available at ftp://ftp.seagate.com/sff

_________________________________________________________________

SFF-8436 QSFP+ was developed to update this specification

_________________________________________________________________

SFF Committee

INF-8438i Specification for

QSFP (Quad Small Formfactor Pluggable) Transceiver

Rev 1.0 November 2006

Secretariat: SFF Committee

Abstract: This specification describes the QSFP (Quad Small Formfactor Pluggable)

Transceivers developed by the MSA (Multiple Source Agreement) group. The following

companies participated in the MSA:

Avago Technologies Molex

Beam Express Opnext

Emcore Fiber Optics Optical Communication Products

Emulex Picolight

Fiberxon QLogic

Finisar Reflex Photonics

Force10 Networks The Siemon Company

Helix AG Tyco Electronics

JDS Uniphase Xloom Communications

McDATA Zarlink Semiconductor

Merge Optics

This Information Specification was not developed or endorsed by the SFF Committee

but was submitted for distribution on the basis that it is of interest to the

storage industry.

The copyright on the contents remains with the contributor.

Contributors are not required to abide by the SFF patent policy. Readers are

advised of the possibility that there may be patent issues associated with an

implementation which relies upon the contents of an 'i' specification.

SFF accepts no responsibility for the validity of the contents.

POINTS OF CONTACT:

Scott Kipp I. Dal Allan

Technical Editor Chairman SFF Committee

McDATA 14426 Black Walnut Court

4 McDATA Parkway Saratoga

Broomfield CO 80021 CA 95070

720-558-3452 408-867-6630

scott.kipp@mcdata.com endlcom@acm.org

** Information Specification ** INF-8438i Rev 1.0

QSFP (Quad Small Formfactor Pluggable) Transceiver

SFF COMMITTEE

The SFF Committee is an industry group. The membership of the committee since its

formation in August 1990 has included a mix of companies which are leaders across

the industry.

When 2 1/2" diameter disk drives were introduced, there was no commonality on

external dimensions e.g. physical size, mounting locations, connector type,

connector location, between vendors.

The first use of these disk drives was in specific applications such as laptop

portable computers and system integrators worked individually with vendors to

develop the packaging. The result was wide diversity, and incompatibility.

The problems faced by integrators, device suppliers, and component suppliers led

to the formation of the SFF Committee as an industry ad hoc group to address the

marketing and engineering considerations of the emerging new technology.

During the development of the form factor definitions, other activities were

suggested because participants in the SFF Committee faced more problems than the

physical form factors of disk drives. In November 1992, the charter was expanded

to address any issues of general interest and concern to the storage industry.

The SFF Committee became a forum for resolving industry issues that are either

not addressed by the standards process or need an immediate solution.

Those companies which have agreed to support a specification are identified in

the first pages of each SFF Specification. Industry consensus is not an essential

requirement to publish an SFF Specification because it is recognized that in an

emerging product area, there is room for more than one approach. By making the

documentation on competing proposals available, an integrator can examine the

alternatives available and select the product that is felt to be most suitable.

SFF Committee meetings are held during T10 weeks (see www.t10.org), and Specific

Subject Working Groups are held at the convenience of the participants. Material

presented at SFF Committee meetings becomes public domain, and there are no

restrictions on the open mailing of material presented at committee meetings.

Most of the specifications developed by the SFF Committee have either been

incorporated into standards or adopted as standards by EIA (Electronic Industries

Association), ANSI (American National Standards Institute) and IEC (International

Electrotechnical Commission).

Suggestions for improvement of this specification will be welcome. They should be

sent to the SFF Committee, 14426 Black Walnut Ct, Saratoga, CA 95070.

** Information Specification ** INF-8438i Rev 1.0

QSFP (Quad Small Formfactor Pluggable) Transceiver

The complete list of SFF Specifications which have been completed or are

currently being worked on by the SFF Committee can be found at:

ftp://ftp.seagate.com/sff/SFF-8000.TXT

If you wish to know more about the SFF Committee, the principles which guide the

activities can be found at:

ftp://ftp.seagate.com/sff/SFF-8032.TXT

If you are interested in participating or wish to follow the activities of the

SFF Committee, the signup for membership and/or documentation can be found at:

www.sffcommittee.com/ie/join.html

or, the following application can be submitted.

Name: ____________________________ Title: __________________________

Company: ______________________________________________________________

Address: ______________________________________________________________

______________________________________________________________

Phone: ____________________________ Fax: ____________________________

Email: ______________________________________________________________

Please register me with the SFF Committee for one year.

___ Voting Membership w/Electronic documentation $ 2,160

___ Voting Membership w/Meeting documentation $ 1,800

___ Non-voting Observer w/Electronic documentation $ 660 U.S.

$ 760 Overseas

___ Non-voting Observer w/Meeting documentation $ 300 U.S.

$ 400 Overseas

Check Payable to SFF Committee for $_________ is Enclosed

Please invoice me for $_________ on PO #: ___________________

MC/Visa/AmX______________________________________ Expires_________

SFF Committee 408-867-6630

14426 Black Walnut Ct

Saratoga CA 95070 endlcom@acm.org

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