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DIMENSIONS: TOLERANCES UNLESS OTHERWISE SPECIFIED: DWN CHK APVD MATERIAL FINISH PRODUCT SPEC APPLICATION SPEC WEIGHT P LTR DATE APVDDWNDESCRIPTION LOC DIST 5678 34 2 1 D B AA B C C D ALL RIGHTS RESERVED. RELEASED FOR PUBLICATION C COPYRIGHT THIS DRAWING IS UNPUBLISHED. 4805 (3/11) RESTRICTED TO THIS DRAWING IS A CONTROLLED DOCUMENT. TE Connectivity A RELEASED ECO-14-003627 11APR2014 LAW EB Customer Drawing 2227249 M.E. COWHER 15AUG2012 R.R. HENRY 16AUG2012 R.R. HENRY 16AUG2012 5:1 1 4 A -SEE SEE mm 0.2 0.15 0.1 0.05 0.025 GP 00 RECEPTACLE ASSEMBLY WITH HEAT SINKS, BEHIND BEZEL, 1X4, QSFP28 NOTES NOTES 00779 BY - A MAX

2.2 MAX TYP

3 MAX TYP( )79

( )56.14( )19 ( )28.5 PART NUMBER HEAT SINK PROFILEA 2227249-1PCI13.7 2227249-2SAN16 2227249-3NETWORKING23 MATERIALS/FINISH: CAGE ASSEMBLY - NICKEL-SILVER ALLOY, (0.25) THICK EMI SPRINGS - COPPER ALLOY/2µm MIN TIN FRONT FLANGE - ZINC ALLOY/3µm MIN TIN OVER 1.27µm MIN NICKEL OVER 5.08µm MIN COPPER HEAT SINK - ALUMINUM/NICKEL HEAT SINK CLIP - STAINLESS STEEL SPACING BETWEEN CAGES ON THE SAME PCB TO BE SPECIFIED BY THE CUSTOMER, MUST COMPLY WITH MINIMUM DIMENSION SHOWN REFERENCE APPLICATION SPECIFICATION 114-32023 FOR RECOMMENDED DRILL HOLE DIAMETER AND PLATING THICKNESS DATUMS AND BASIC DIMENSIONS ESTABLISHED BY CUSTOMER HEAT SINKS AND CLIPS ARE SHIPPED ASSEMBLED, CAGE ASSEMBLY MAY BE PRESSED INTO THE PCB AS SHIPPED DIMENSION APPLIES WITH MODULE INSERTED IN CAGE UNPLATED THRU HOLE 8. MATES WITH QSFP MSA COMPATIBLE TRANSCEIVER SURFACE TRACES PERMITTED WITHIN THIS AREA EXCEPT WHERE CAGE STANDOFFS CONTACT PCB BASELINE FOR THESE DIMENSIONS IS THE CENTER OF COMPLIANT PIN HOLE 11. DATE CODE (YYWWD) IS MARKED ON TOP OF CAGE BUT IS CONCEALED BY HEAT SINKS, APPLIES TO CAGE ASSEMBLY ONLY REFERENCE APPLICATION SPECIFICATION 114-32023 FOR GASKET THICKNESS CALCULATION DIMENSION C IS THE NOMINAL THICKNESS OF THE CUSTOMER SUPPLIED PC BOARD: SINGLE SIDED PC BOARD MINIMUM THICKNESS - 1.45 DOUBLE SIDED PC BOARD MINIMUM THICKNESS - 2.4 2227249-X SCALE 4:1 FRONT FLANGE EMI SPRINGS CAGE ASSEMBLY HEAT SINK CLIPS 1 5 HEAT SINKS 1 5 DIMENSIONING AND TOLERANCING PER ASME Y14.5M-2009

DIMENSIONS: TOLERANCES UNLESS OTHERWISE SPECIFIED: DWN CHK APVD MATERIAL FINISH PRODUCT SPEC APPLICATION SPEC WEIGHT P LTR DATE APVDDWNDESCRIPTION LOC DIST 5678 34 2 1 D B AA B C C D ALL RIGHTS RESERVED. RELEASED FOR PUBLICATION C COPYRIGHT THIS DRAWING IS UNPUBLISHED. 4805 (3/11) RESTRICTED TO THIS DRAWING IS A CONTROLLED DOCUMENT. TE Connectivity 38X 1.8 0.03 38X 0.35 0.03 38X 1.8 0.03 38X 0.35 0.03 Customer Drawing 2227249 M.E. COWHER 15AUG2012 R.R. HENRY 16AUG2012 R.R. HENRY 16AUG2012 4:1 2 4 A -SEE SEE mm 0.2 0.15 0.1 0.05 0.025 GP 00 RECEPTACLE ASSEMBLY WITH HEAT SINKS, BEHIND BEZEL, 1X4, QSFP28 NOTES NOTES 00779 BY - - SEE SHEET 1 - - - 79.5 0.1 TYP76.5 0.1 R MAX TYP0.3

48.25 MAX

5.2 MAX

1.45 TYP9.7 0.2 (0.4#0.1, FOR PCI APPLICATION) MEASURE ABOVE PCB SURFACE 0.3 0.2 7.37 2.5 TYP0.8 TYP0.4 MIN0.89 MAX3.05 MAX1.69 MAX0.1 MAX15.02 R TYP MIN PCB THICKNESS 2.2 C THICKNESS OF PCB [C+0.4]#0.1 0.3 0.2 SINGLE SIDE CONFIGURATION SCALE 3:1 BEZEL BELLY TO BELLY CONFIGURATION SAME AS SINGLE SIDED CONFIGURATION EXCEPT AS SHOWN SCALE 3:1 DETAIL A 4X INDIVIDUALLY APPLIES TO BOTH SINGLE SIDE MOUNT AND BELLY TO BELLY CONFIGURATION SCALE 10:1 DIMENSIONING AND TOLERANCING PER ASME Y14.5M-2009

DIMENSIONS: TOLERANCES UNLESS OTHERWISE SPECIFIED: DWN CHK APVD MATERIAL FINISH PRODUCT SPEC APPLICATION SPEC WEIGHT P LTR DATE APVDDWNDESCRIPTION LOC DIST 5678 34 2 1 D B AA B C C D ALL RIGHTS RESERVED. RELEASED FOR PUBLICATION C COPYRIGHT THIS DRAWING IS UNPUBLISHED. 4805 (3/11) RESTRICTED TO THIS DRAWING IS A CONTROLLED DOCUMENT. TE Connectivity Customer Drawing 2227249 M.E. COWHER 15AUG2012 R.R. HENRY 16AUG2012 R.R. HENRY 16AUG2012 4:1 3 4 A -SEE SEE mm 0.2 0.15 0.1 0.05 0.025 GP 00 RECEPTACLE ASSEMBLY WITH HEAT SINKS, BEHIND BEZEL, 1X4, QSFP28 NOTES NOTES 00779 BY - - SEE SHEET 1 - - - ( )1.05 BSC BSC ( )1.05 TYP9 TYP9 2X MIN14X 1.1 MIN78 4X 17.9 8X 30.1 3X 37.7 4X 42.865 17.375 2X 19 2X 4.5 MIN ADJACENT CAGE 3.4 27X ( )1.05 8X 1.55 0.05 MAX12.49 MIN13.49 MAX76.2 2X 4.5 4X 19 2X MIN0.8 18.5 Y X Z V W CROSS-HATCHED AREA DENOTES COMPONENT AND TRACE KEEP-OUT (EXCEPT CHASIS GROUND) RECOMMENDED PCB LAYOUT SINGLE SIDE MOUNT CONFIGURATION SCALE 5:1 SEE DETAIL ASEE DETAIL A DIMENSIONING AND TOLERANCING PER ASME Y14.5M-2009 103

DIMENSIONS: TOLERANCES UNLESS OTHERWISE SPECIFIED: DWN CHK APVD MATERIAL FINISH PRODUCT SPEC APPLICATION SPEC WEIGHT P LTR DATE APVDDWNDESCRIPTION LOC DIST 5678 34 2 1 D B AA B C C D ALL RIGHTS RESERVED. RELEASED FOR PUBLICATION C COPYRIGHT THIS DRAWING IS UNPUBLISHED. 4805 (3/11) RESTRICTED TO THIS DRAWING IS A CONTROLLED DOCUMENT. TE Connectivity 8X 1.55 0.058X 1.55 0.05 Customer Drawing 2227249 M.E. COWHER 15AUG2012 R.R. HENRY 16AUG2012 R.R. HENRY 16AUG2012 4:1 4 4 A -SEE SEE mm 0.2 0.15 0.1 0.05 0.025 GP 00 RECEPTACLE ASSEMBLY WITH HEAT SINKS, BEHIND BEZEL, 1X4, QSFP28 NOTES NOTES 00779 BY - - SEE SHEET 1 - - - ( )1.05 BSC BSC 51X ( )1.05 2.125 15.25 3X 3.25 4X 4.5 TYP4.5 4X 37.7 8X 42.865 4X 4.5 8X 30.1 4X 1.1 4X 17.9 4X 19 ( )1.05 MIN ADJACENT CAGE 3.4 15.252X 15.75 Y X Z W V RECOMMENDED PCB LAYOUT BELLY TO BELLY CONFIGURATION SEE SINGLE SIDE MOUNT CONFIGURATION FOR COMPONENT AND TRACE KEEP-OUT SCALE 5:1 DIMENSIONING AND TOLERANCING PER ASME Y14.5M-2009