DRAFT SFF-8432 Rev 5.1.1
SFP+ Module and Cage Page 1
Copyright © 2018 SNIA. All rights reserved.
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SFF-8432
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Specification for
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SFP+ Module and Cage
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Rev 5.1.1 October 30, 2018
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SECRETARIAT: SFF TA TWG
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This specification is made available for public review at http://www.snia.org/sff/specifications. Comments may be
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submitted at http://www.snia.org/feedback. Comments received will be considered for inclusion in future revisions
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of this specification.
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The description of the connector in this specification does not assure that the specific component is available from
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connector suppliers. If such a connector is supplied, it must should comply with this specification to achieve
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interoperability between suppliers.
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ABSTRACT: This specification defines the mechanical specifications for the SFP+ Module and Cage aka Improved
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Pluggable Formfactor (IPF).
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The mechanical dimensioning allows backwards compatibility between IPF modules plugged into most
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SFP cages which have been implemented to SFF-8074i. It is anticipated that when the application
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requires it, manufacturers will be able to supply cages that accept SFP style modules. In both cases
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the EMI leakage is expected to be similar to that when SFP modules and cages are mated.
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Superior EMI performance can only be expected with mated combinations of IPF modules and cages.
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POINTS OF CONTACT:
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Michael D. Long Chairman SFF TA TWG
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Amphenol Canada Corp Email: SFF-Chair@snia.org
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1408 Woodhaven Drive
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Hummelstown, PA 17036
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Ph: 717-566-1655
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Email: michaello@amphenolcanada.com
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DRAFT SFF-8432 Rev 5.1.1
SFP+ Module and Cage Page 2
Copyright © 2018 SNIA. All rights reserved.
Intellectual Property
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The user's attention is called to the possibility that implementation of this specification may require the use of an
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invention covered by patent rights. By distribution of this specification, no position is taken with respect to the
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validity of a claim or claims or of any patent rights in connection therewith.
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This specification is considered SNIA Architecture and is covered by the SNIA IP Policy and as a result goes through
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a request for disclosure when it is published. Additional information can be found at the following locations:
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• Results of IP Disclosures: http://www.snia.org/sffdisclosures
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• SNIA IP Policy: http://www.snia.org/ippolicy
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Copyright
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The SNIA hereby grants permission for individuals to use this document for personal use only, and for corporations
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and other business entities to use this document for internal use only (including internal copying, distribution, and
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display) provided that:
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1.
Any text, diagram, chart, table or definition reproduced shall be reproduced in its entirety with no
alteration, and,
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Any document, printed or electronic, in which material from this document (or any portion hereof) is
reproduced shall acknowledge the SNIA copyright on that material, and shall credit the SNIA for granting
permission for its reuse.
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Other than as explicitly provided above, there may be no commercial use of this document, or sale of any part, or
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this entire document, or distribution of this document to third parties. All rights not explicitly granted are expressly
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reserved to SNIA.
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Permission to use this document for purposes other than those enumerated (Exception) above may be requested
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by e-mailing copyright_request@snia.org. Please include the identity of the requesting individual and/or company
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and a brief description of the purpose, nature, and scope of the requested use. Permission for the Exception shall
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not be unreasonably withheld. It can be assumed permission is granted if the Exception request is not acknowledged
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within ten (10) business days of SNIA's receipt. Any denial of permission for the Exception shall include an
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explanation of such refusal.
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Disclaimer
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The information contained in this publication is subject to change without notice. The SNIA makes no warranty of
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any kind with regard to this specification, including, but not limited to, the implied warranties of merchantability
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and fitness for a particular purpose. The SNIA shall not be liable for errors contained herein or for incidental or
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consequential damages in connection with the furnishing, performance, or use of this specification.
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Suggestions for revisions should be directed to http://www.snia.org/feedback/.
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