Example: confidence

OSFP OCTAL SMALL FORM FACTOR PLUGGABLE …

This specification is available from OSFP MSA. Specification for OSFP OCTAL SMALL form FACTOR PLUGGABLE module . Rev March 17th, 2017. Abstract: This specification defines the electrical connectors, electrical signals and power supplies, mechanical and thermal requirements of the OSFP module , connector and cage systems. The OSFP Management interface is described in a separate OSFP. Management Specification. This document provides a common specification for systems manufacturers, system integrators, and suppliers of modules. Points of Contact: Editor Brian Park bpark@arista dot com Associate Editor Warren Meggitt wmeggitt@arista dot com Chair Andreas Bechtolsheim avb@arista dot com Co-Chair Chris Cole @finisar dot com Co-Chair Brian Kirk @amphenol-tcs dot com Co-Chair Christophe Metivier metivier@arista dot com Limitations on the Use of this Information: This specification is provided AS IS with no warranties whatsoever, including any warranty of merchantability, non-infringement, fitness or any particular purpose, or any warranty otherwise arising out of any proposal, specification or sample.

This specification is available from www.osfpmsa.org OSFP MSA Confidential March 17, 2017 OSFP MSA Specification for OSFP OCTAL SMALL FORM FACTOR PLUGGABLE MODULE

Tags:

  Form, Factors, Small, Module, Lacto, Octal small form factor pluggable, Pluggable, Octal small form factor pluggable module

Information

Domain:

Source:

Link to this page:

Please notify us if you found a problem with this document:

Other abuse

Transcription of OSFP OCTAL SMALL FORM FACTOR PLUGGABLE …

1 This specification is available from OSFP MSA. Specification for OSFP OCTAL SMALL form FACTOR PLUGGABLE module . Rev March 17th, 2017. Abstract: This specification defines the electrical connectors, electrical signals and power supplies, mechanical and thermal requirements of the OSFP module , connector and cage systems. The OSFP Management interface is described in a separate OSFP. Management Specification. This document provides a common specification for systems manufacturers, system integrators, and suppliers of modules. Points of Contact: Editor Brian Park bpark@arista dot com Associate Editor Warren Meggitt wmeggitt@arista dot com Chair Andreas Bechtolsheim avb@arista dot com Co-Chair Chris Cole @finisar dot com Co-Chair Brian Kirk @amphenol-tcs dot com Co-Chair Christophe Metivier metivier@arista dot com Limitations on the Use of this Information: This specification is provided AS IS with no warranties whatsoever, including any warranty of merchantability, non-infringement, fitness or any particular purpose, or any warranty otherwise arising out of any proposal, specification or sample.

2 The authors disclaim all liability, including liability for infringement of any proprietary rights, relating to use of information in this specification. In no event shall the OSFP MSA participants be liable for any direct, indirect, special, exemplary, punitive, or consequential damages, including, without limitation, lost profits, even if advised of the possibility of such damages. This specification may contain or require the use of intellectual property owned by others. No license, express or implied, by estoppel or otherwise, to any intellectual property rights is granted herein, except that a license is hereby granted to download, reproduce and distribute this document under the provisions of the OSFP MSA. Agreement. OSFP MSA Confidential March 17, 2017.

3 OSFP module Specification Rev Page 2. Table of Contents 1 Scope .. 7. 2 References .. 7. 3 OSFP module Mechanical Specification .. 8. Overview .. 8. OSFP Nose .. 10. Heat Sink, Flat Top .. 13. Heat Sink, Open 14. Card-edge Design ( module Electrical Interface) .. 15. Contact Pad Plating Requirements .. 17. module Latch Feature .. 18. module Color Code .. 19. 4 OSFP Cage and Connector Mechanical Specification .. 20. Overview .. 20. Cage Dimensions and Positioning 21. EMI Finger Pitches .. 22. Ventilation Hole .. 23. Host PCB Layout 1x1 25. Host PCB Layout 1x4 27. Latch Flaps in Cage .. 29. Bezel Panel Cut-Out .. 30. Electrical Connector .. 31. Blank Plug .. 32. 5 Plug-in and Removal of an OSFP module .. 32. Insertion, Extraction, and Retention Forces for an OSFP module .

4 32. Durability .. 33. 6 Thermal 33. OSFP module Airflow Impedance Curve .. 33. module Airflow Impedance Test Jig .. 34. 7 Optical PMD Block Diagrams .. 35. Optical PMD for Parallel Fiber: 35. Optical PMD for Parallel Fiber: 400G SR8 .. 35. Optical PMD for 400G-FR4, Duplex Fiber .. 36. Optical PMD for 400G-FR8/LR8 .. 36. Optical PMD for 2x200G-CWDM4 .. 37. Optical PMD for 2x100G-CWDM4 .. 37. OSFP Optical Interface .. 38. Duplex LC Optical Interface .. 38. MPO 12 Optical Interface .. 38. MPO 24 Optical Interface .. 38. Dual CS Optical Interface .. 39. 8 Electrical 40. module Electrical Connector .. 40. OSFP MSA Confidential March 17, 2017. OSFP module Specification Rev Page 3. Pin Descriptions .. 42. Pin List .. 42. High-Speed Signals.

5 44. Low-Speed Signals .. 44. SCL and 44. INT/RSTn .. 45. LPWn/PRSn .. 46. 49. Power Filter .. 50. Power Electronic Circuit Breaker (optional) .. 50. OSFP Host Board and module Block Diagram .. 51. Electrostatic Discharge (ESD) .. 52. Appendix A. OSFP module LED (Informative) .. 53. LED Indicator and its Scheme .. 53. OSFP MSA Confidential March 17, 2017. OSFP module Specification Rev Page 4. Figure 1: OSFP module with different connectors (Duplex LC, MPO, CS, Copper) .. 8. Figure 2: OSFP overall dimensions .. 9. Figure 3: OSFP label reference location .. 9. Figure 4: OSFP corner radius .. 10. Figure 5: OSFP nose, side view .. 10. Figure 6: OSFP nose, side view, no component area .. 11. Figure 7: OSFP nose, side view, location of the forward stop.

6 11. Figure 8: OSFP nose, bottom view .. 11. Figure 9: OSFP nose, bottom view, optional signal pad inspection holes .. 12. Figure 10: OSFP nose, Top view, Ventilation holes .. 12. Figure 11: Signal pad location to module (left: top view, right: bottom view) .. 12. Figure 12: Heat sink, top view .. 13. Figure 13. Examples of heat sink design .. 13. Figure 14. Open top heat sink (Isometric view) .. 14. Figure 15. Heat sink location .. 14. Figure 16. Heat sink fin pitch .. 14. Figure 17: OSFP module pc board (card-edge) .. 16. Figure 18: OSFP card-edge, detail of power pad (pins 45/46) .. 17. Figure 19: OSFP card-edge, detail of power pad (pins 15/16) .. 17. Figure 20. Latch pocket location .. 18. Figure 21: Latch release and latching pocket.

7 19. Figure 22: 1x1 and 1x4 Cage, host PCB and panel .. 20. Figure 23: OSFP module in a 1x1 cage .. 20. Figure 24. Cage positioning pins and forward stop .. 21. Figure 25: Port internal width and height .. 21. Figure 26. Cage positioning pins .. 21. Figure 27: Side view of a 1x1 cage with vertical cage dimensions .. 22. Figure 28: Side view of a 1x1 cage with axial reference dimensions .. 22. Figure 29. Internal EMI finger, top and 23. Figure 30: Rear ventilation hole, two example designs .. 23. Figure 31: Top vent hole, key and 24. Figure 32: Host PCB layout for 1x1 25. Figure 33. Host PCB layout, details .. 26. Figure 34. Solder ring for belly-to-belly application .. 27. Figure 35: Host PCB layout for 1x4 28. Figure 36: Latch feature, left and right side.

8 29. Figure 37: Latch flap, cross-sectional view from top .. 29. Figure 38: Bezel design and location for 1x1 cage .. 30. Figure 39: Bezel design for 1x4 cage .. 30. Figure 40: 31. Figure 41: OSFP blank plug (reference design).. 32. Figure 42: Target range of impediment to airflow of an OSFP module .. 33. Figure 43: Impedance test setup .. 34. Figure 44: Impedance test jig .. 34. Figure 45: Block diagram for 400G-PSM4 .. 35. Figure 46: Block diagram for 400G-SR8 (AOC) .. 35. Figure 47: Block diagram for 400G-FR4 .. 36. Figure 48: Block diagram for 400G OSFP optical PMD for duplex fiber, 400G. CWDM8, FR8/LR8 .. 36. Figure 49: Block diagram for 37. Figure 50: Block diagram for 2 100G-CWDM4 .. 37. OSFP MSA Confidential March 17, 2017. OSFP module Specification Rev Page 5.

9 Figure 51. Optical receptacle and channel orientation for duplex LC 38. Figure 52. Optical receptacle and channel orientation for MPO 12 connector .. 38. Figure 53. Optical receptacle and channel orientation for MPO 24 connector .. 38. Figure 54. Optical receptacle and channel orientation for dual CS connector .. 39. Figure 55: OSFP module pinout .. 41. Figure 56: INT/RSTn voltage zones .. 45. Figure 57: INT/RSTn circuit .. 46. Figure 58: LPWn/PRSn voltage zones .. 47. Figure 59: LPWn/PRSn circuit .. 48. Figure 60: Host board power filter circuit .. 50. Figure 61: Host board and module block diagram .. 51. OSFP MSA Confidential March 17, 2017. OSFP module Specification Rev Page 6. Table 3-1: Descriptions of the module mechanical datum.

10 8. Table 3-2: OSFP color code .. 19. Table 4-1: Descriptions of the cage and connector mechanical datum .. 20. Table 5-1: Insertion, extraction, and retention forces for an OSFP module .. 32. Table 5-2: Durability .. 33. Table 8-1: OSFP module signal descriptions .. 42. Table 8-2: OSFP connector pin list .. 42. Table 8-3: High-speed signal lane mapping .. 44. Table 8-4: INT/RSTn circuit parameters .. 46. Table 8-5: LPWn/PRSn circuit parameters .. 48. Table 8-6: OSFP power specification .. 49. Table 8-7: OSFP power classes .. 50. Table A-1: Suggested OSFP LED signaling scheme for multiple channel modules .. 53. OSFP MSA Confidential March 17, 2017. OSFP module Specification Rev Page 7. 1 Scope The OSFP specification defines: The OSFP module mechanical form FACTOR , including latching mechanism.


Related search queries