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首页SFP MSA(可插拔小封装光收发模块多源协议)
SFP MSA(可插拔小封装光收发模块多源协议)
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介绍了SFP光收发模块的“Package Dimensions”, “Cage and Electrical Connector System”, “Host Board Layout”, “Electrical Interfaces”, and “Front Panel Bezel Requirements"等标准。
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Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
____________________________________________________________________________________________________
September 14, 2000 Page 1
Cooperation Agreement for Small Form-Factor Pluggable Transceivers
Agilent Technologies, Blaze Network Products, E2O Communications, Inc.,
ExceLight Communications, Finisar Corporation, Fujikura Technology America Corp.,
Hitachi Cable, Infineon Technologies Corp., IBM Corp., Lucent Technologies,
Molex, Inc., Optical Communication Products, Inc., Picolight, Inc.,
Stratos Lightwave, Tyco Electronics
I. Purpose of the Cooperation Agreement (Agreement)
Each party desires to establish internationally compatible sources of a pluggable fiber optic
transceiver module in support of standards for fiber optic systems including Asynchronous
Transfer Mode (ATM), FDDI, Fibre Channel, Fast Ethernet and Gigabit Ethernet, and
Synchronous Optical Network (SONET) / Synchronous Digital Hierarchy (SDH) applications.
Each party further desires to establish uniformity in the industry for the Transceiver “Package
Dimensions”, “Cage and Electrical Connector System”, “Host Board Layout”, “Electrical
Interfaces”, and “Front Panel Bezel Requirements” as described in Appendices A-B.
Each party expects that the establishment of compatible sources for an interchangeable
transceiver module will allow the entire fiber optic marketplace to grow more rapidly. This
enhanced marketplace growth, customer choice, and vigorous competition are the express
purposes of this Agreement. Each party acknowledges this agreement provides a solution
with height as a primary limiting constraint and may not provide an optimum solution for
applications with different constraints.
The parties desire to establish compatible sources for additional products in the future.
II. Agreement
A. General
The parties agree to cooperate by supporting common product specifications for pluggable
fiber optic transceivers with the package “Package Dimensions”, “Cage and Electrical
Connector System”, “Host Board Layout”, “Electrical Interfaces”, and “Front Panel Bezel
Requirements” as shown in Appendices A-B. The overall package dimensions shall not
exceed the maximum indicated dimensions, and the mounting features shall be located such
that the products are mechanically interchangeable with the cage and connector system. In
addition the overall dimensions and mounting requirements for the cage and connector system
on a circuit board shall be configured such that the products are mechanically and electrically
interchangeable.
The electrical and optical specifications shall be compatible with those enumerated in the
appropriate standards (i.e. the IEEE 802.3z Gigabit Ethernet standard and the ITU G.957
Synchronous Digital Hierarchy standard). Recommended circuit layouts for electrical input and
output terminations, and grounding practices are also described in Appendix B.
The transceivers per this Agreement will accept an optical connector such as the duplex LC,
MT-RJ or the SG connector. This Agreement does not preclude any of the parties from
offering SFP transceivers with other connectors.
Internal design of the SFP transceiver is entirely at the discretion of each party and is not
covered by this Agreement. The parties recognize that their products may not be identical, but
need only meet the above criteria.
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
____________________________________________________________________________________________________
September 14, 2000 Page 2
B. Licensing and Fees
No license is granted under the patents, know-how, tradesecrets or any other technology of
any party to this Agreement either expressly or by implication or by estoppel. Each of the
MSA parties have agreed that licenses to all required intellectual property will be made
available to all interested parties under reasonable and non-discriminatory terms and
conditions applicable to that MSA party. Individual parties to this Agreement may have
patents, which they believe may be relevant to this Agreement. The MSA parties should be
contacted individually to determine if they have patent rights, which they believe may be
pertinent to this Agreement. Each party is free to seek technology or other exchanges with
other firms in order to support its activities under this Agreement.
C. Scope of the Agreement
The scope of this Agreement includes transceivers with transmission rates up to 5.0 Gb/s
operating over multimode and single mode fiber.
Each party agrees to be responsible for its own development, manufacturing, marketing and
selling in order to supply transceivers meeting the attached specifications.
This Agreement does not preclude any party from offering other products that may not meet
the attached specifications.
Each party retains complete liberty regarding its methods of implementing a supply of product,
e.g., by engineering effort or by technology licensing or transfer or combination of these or
other practices.
Each party also retains sole discretion in its choice of sales channels and distribution.
Each party affirms its intention to compete freely and openly in the marketplace with the parties
as well as other competitors.
Each party expects to support products meeting the attached specifications for as long as
marketplace conditions warrant. No specific time limit is associated with this Agreement. The
determination of market condition suitability is to be made by each party individually and in
each party’s sole discretion.
III. Public Announcement
A. Announcing the Agreement
Each party agrees to announce this Agreement in a manner agreed upon by the parties.
These announcements will mention all the parties who have signed this Agreement.
Each party agrees to seek public attention by means of such an announcement.
Each party agrees to contribute time and effort at its sole discretion toward preparing and
making such an announcement.
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
____________________________________________________________________________________________________
September 14, 2000 Page 3
B. Promotion of the Agreement
After the Agreement is announced, each party may advertise or otherwise promote this
Agreement in any way that it deems appropriate. Mutual consent of the other party is required
if such other party is to be mentioned by name.
IV. Other Vendors
A. Other Vendors Matching the Product Configuration
The parties recognize that additional vendors may choose to match the attached product
specifications after this Agreement is announced.
Each party recognizes it is desirable and keeping with the intent of the Agreement for such
additional vendors to support the transceiver mechanical dimensions and functional attributes
described in Appendix A.
Therefore, each party agrees to encourage other vendors to support these product
specifications.
B. Naming Other Vendors
Each party agrees to have written internal procedures that require such party to name the
other parties when customers ask who intends to be a source for transceivers as described in
this Agreement. Each party agrees for such procedures to require it to name the others
regardless as to whether another of the parties has already supplied similar transceiver
products to that customer.
An example of suggested wording is: “Agilent, Blaze Networks, E2O, ExceLight, Finisar,
Fujikura, Hitachi Cable, Infineon, IBM, Lucent, Molex, OCP, Picolight, Stratos Lightwave, and
Tyco have signed a Cooperation Agreement relating to the establishment of Small Form-factor
Pluggable transceivers for multimode and single mode fiber operating up to 5.0 Gb/s data
rates.”
The parties are not obligated to provide any information other than the identities of the other
parties. The requirements of this provision are met entirely if a party has the aforementioned
written procedures and they are made available to its sales force in the same way as are other
sales related procedures.
V. Future Direction
A. Current Product
Should the parties agree to further explore technical and other exchanges pertaining to the
products described in this Agreement, then this shall be under a separate agreement.
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
____________________________________________________________________________________________________
September 14, 2000 Page 4
B. Withdrawal
The parties recognize that at some future time it may become less feasible to offer the
products envisioned by this Agreement. A party may withdraw from its commitment to
cooperate at its own discretion upon a 90-day notice to the other parties. This notice is
necessary to allow the other parties to discontinue mentioning the withdrawing part as a
participant in this Agreement and to reconsider any jointly planned promotional activities.
VI. Limitation of Liability
With the exception of disputes arising out of intellectual property issues, no party to this
Agreement shall be liable for any indirect, incidental, punitive, or consequential damages,
including without limitation, lost profits or changes of good will, or similar losses, even if
advised of the possibility of such damages. In addition, each party’s liability under this
Agreement for direct damages shall be limited to $10,000.
Small Form-factor Pluggable (SFP) Transceiver MultiSource Agreement (MSA)
____________________________________________________________________________________________________
September 14, 2000 Page 5
Appendix A. Mechanical Interface
A1. SFP Transceiver Package Dimensions
A2. Mating of SFP Transceiver PCB to SFP Electrical Connector
A3. Host Board Layout
A4. Insertion, Extraction and Retention Forces for SFP Transceivers
A5. Labeling of SFP Transceivers
A6. Bezel Design for Systems Using SFP Transceivers
A7. SFP Electrical Connector Mechanical Specifications
A8. SFP Cage Assembly Dimensions
Appendix B. Electrical Interface
B1. Introduction
B2. Pin Definitions
B3. Timing Requirements of Control and Status I/O
B4. Module Definition Interface and Data Field Description
Appendix C. Agreement Signatures
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