SFF-8472_V11.3

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Published SFF-8472 Rev 11.3

Diagnostic Monitoring Interface for Optical Transceivers Page 1

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

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

SFF Committee

SFF-8472

Specification for

Diagnostic Monitoring Interface for Optical Transceivers

Rev 11.3 June 11, 2013

Secretariat: SFF Committee

Abstract: This specification defines an enhanced digital diagnostic monitoring

interface for optical transceivers which allows real time access to device operating

parameters.

This specification provides a common reference for systems manufacturers, system

integrators, and suppliers. This is an internal working specification of the SFF

Committee, an industry ad hoc group.

This specification is made available for public review, and written comments are

solicited from readers. Comments received by the members will be considered for

inclusion in future revisions of this specification.

Support: This specification is supported by the identified member companies of the

SFF Committee.

POINTS OF CONTACT:

Technical Editor: Technical Contributors:

Randy Clark Randy Clark, Agilent Technologies

Avago Technologies Pete Mahowald, Agilent Technologies

350 West Trimble Rd Tom Lindsay, E2O

San Jose, CA, 95131 Lew Aronson, Finisar

408-435-6763 Dan Kane, Finisar

randy.clark@avagotech.com Leland Day, JDS Uniphase

Jim Judkins, Micrel Semiconductor

Gus Carroll, Pine Photonics

Chairman SFF Committee Luis Torres, Stratos Lightwave

I. Dal Allan

14426 Black Walnut Court

Saratoga

CA 95070

408-867-6630

408-867-2115Fx

endlcom@acm.org

Published SFF-8472 Rev 11.3

Diagnostic Monitoring Interface for Optical Transceivers Page 2

EXPRESSION OF SUPPORT BY MANUFACTURERS

The following member companies of the SFF Committee voted in favor of this industry

specification.

Applied Micro Madison Cable

Arista Networks Micrel

Avago Molex

Broadcom NetLogic uSyst

Clariphy Nexans

EMC Oclaro

ENDL Panduit

ETRI Picolight

FCI QLogic

Finisar Samsung

Hewlett Packard Shenzhen

Honda Connector Stratos

IBM Sumitomo

Infineon Sun Microsystems

Intel Unisys

JDS Uniphase Vitesse Semiconductor

LSI W L Gore

Luxtera

The following member companies of the SFF Committee voted to abstain on this

industry specification.

Adaptec Maxtor

Amphenol Montrose/CDT

Brocade NetApp

Comax Panasonic

Cortina Systems Sandisk

Dell Computer Seagate

Emulex Sumitomo

Foxconn TE Connectivity

Fujikura/DDK Toshiba

Fujitsu Components Volex

Fujitsu CPA Western Digital

HGST Xyratex

Hitachi Cable

The user's attention is called to the possibility that implementation to this

Specification may require use of an invention covered by patent rights. By

distribution of this Specification, no position is taken with respect to the

validity of this claim or of any patent rights in connection therewith. The patent

holder has filed a statement of willingness to grant a license under these rights on

reasonable and non-discriminatory terms and conditions to applicants desiring to

obtain such a license.

Change History begins on p4

Published SFF-8472 Rev 11.3

Diagnostic Monitoring Interface for Optical Transceivers Page 3

Foreword

The development work on this specification was done by the SFF Committee, 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).

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

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

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

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

Published SFF-8472 Rev 11.3

Diagnostic Monitoring Interface for Optical Transceivers Page 4

Publication History

Revision

Number

Description Date

1.0 Initial Submission of Document, Preliminary 4/5/01

2.0 Draft Second Revision, Preliminary 5/18/01

3.0 Draft Third Revision, Preliminary 6/27/01

4.0 Draft Fourth Revision, Preliminary 10/8/01

5.0 Draft Fifth Revision 11/5/01

6.0 Draft Sixth Revision 11/19/01

7.0 Draft Revision 7.0 01/09/02

8.0 Draft Revision 8.0 02/01/02

9.0 Draft Revision 9.0 03/28/02

9.0 Revision 9.0 Approved for Technical Content 5/02

9.2 Revision 9.2 Submitted for Publication 5/30/02

9.3 Editorial Modifications to rev. 9.2. 9.3 Submitted for

Publication

8/01/02

9.4 Add extensions to include additional technologies.

Results of Dec. 5 03 discussions. Includes:

Support for Multiple Application Selection

Reserved values for SFF-8079 in Table 3.1,

Table 3.10, Table 3.12, and Table 3.17.

Additional transceiver type values in Table 3.5

Additional values in Table 3.1a, 3.5a and 3.5b

Additional values in Table 3.12

General editorial modifications.

5/26/04

9.5 Editorial Modifications to rev. 9.4. 9.5 Submitted for

Publication.

6/01/04

10.0 Add extensions to the following tables:

Table 3.1b, 3.2, 3.4, 3.5, 3.5b, 3.7, 3.11, 3.12, 3.21

Editorial changes to the following tables:

Table 3.2, 3.3, 3.4, 3.6, 3.7, 3.9, 3.10, 3.17

Add table 3.1a, 3.6a, 3.18a and references to 8079/8431.

2/06/07

10.2 Editorial updates per ballot feedback.

Technical update to Tables 3.1.

6/01/07

10.3 Edits per SFF-8431 12/07/07

10.4 Edits per SFF-8431, add bits in Table 3.5 and add Tables

3.6b and 3.6c for SFF-8431 and SFF-8461. Add Table

3.1c.

1/30/09

11.0 Edits per FC-PI-5 (16GFC) to tables 3.6a,3.12, 5/21/10

11.1 Table 3-2 Identifier Values and modified to point to SFF-

8024 as the reference for later values and codes.

10/26/12

11.2 Added FC-PI-6 to Table 3.6a Rate Identifier 6/6/13

11.3 Added OM4 to Table 3.1 and Address A0h, Byte 18.

Added 3200 MBytes to Table 3.5 Byte 10 Bit 3.

6/11/13

Published SFF-8472 Rev 11.3

Diagnostic Monitoring Interface for Optical Transceivers Page 5

Reference Revision 9.3 Revision 9.4/9.5 Revision 10.2/10.4

Section 2 Applicable Documents GBIC and SFP MSA Add: SFF 8079 and 8089 Add SFF 8431

Table 3.1 Address A0h Base definition Byte 13 = Reserved for SFF-8079

Bytes 128-255 Reserved for SFF-8079

Byte 13 = Rate Identifier

Byte 19 = OM3 Link Length

Bytes 128-255 Reserved for SFF-8079

Table 3.1a n/a Add Transceiver ID Examples Change to A2h Diagnostic Fields

Table 3.1b n/a n/a Add Transceiver ID Examples

Table 3.1c n/a n/a Add Transceiver ID Examples

Table 3.2 Identifiers Same as SFP MSA 8074 Same as SFP MSA 8074 Add 04h to 0Ch for alternate MSAs

Table 3.4 Connectors Same as SFP MSA 8074 Same as SFP MSA 8074 Add 0Ch and 22h for new connectors

Table 3.5 Transceiver Compliance Add Sonet and IB to

SFP MSA 8074

Add ESCON, EFM, Copper and 8G Add 10GE, 10GFC, OC-192,

FC Base-T and medium FC length

Table 3.5a Sonet Compliance Base definition Add short reach SR-1 <same>

Table 3.5b Transceiver ID Examples n/a Add Base definition Add more examples

Table 3.6 Encoding Same as SFP MSA 8074 Same as SFP MSA 8074 Add 06h = 64B/66B

Table 3.6a Rate Identifier n/a n/a Add Base definition

Table 3.6b Cable Identifier n/a n/a Add Base definition

Table 3.6c Cable Identifier n/a n/a Add Base definition

Table 3.7 Option Values Same as SFP MSA 8074 Same as SFP MSA 8074 Add Byte 64h for SFF 8431

Table 3.10 Enhanced Options Base definition Add Byte 93, Bit 2 for SFF 8079 Add Byte 93, Bit 1 for SFF-8431

Table 3.11 Soft Timing Base definition <same> Add t_power_level2 for SFF-8431

Table 3.12 Compliance 01h = revision 9.3 Add 02h = revision 9.5 Add 03h = revision 10

Table 3.17 Status/Control Base definition Reserve 110h/5 and all of 111h

for SFF 8079

Editorial changes only

Table 3.18 Alarm/Warning Flags Base definition <same> Remove bytes 118 and 119

for Table 3.18a

Table 3.18a Extended Status/Control n/a n/a Add Byte 118 for SFF 8431

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