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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Hi All,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>As you know, we are conducting the IBTA PF25 for the next two weeks and we have in attendance many engineers from the Test Equipment vendors:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Agilent<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Bob Hasenick<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>OJ Danzy<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Anritsu<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>James Morgante<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l4 level1 lfo2'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Hiroshi Goto<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Tektronix<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>John Calvin<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>John Smith<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Mike Tranchemontagne<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Wilder Technologies<o:p></o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l3 level1 lfo4'><![if !supportLists]><span style='font-size:12.0pt;font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Joe O’Brien<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>There are <b><span style='color:blue'>several topics</span></b> we would like to discuss today:<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo5'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><span style='mso-list:Ignore'>1.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Patterns and conditions used to characterize transition times for the InfiniBand testing – <a href="#Patterns">see discussion below</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo5'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><span style='mso-list:Ignore'>2.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Use of Clock Recovery during ATD Testing <o:p></o:p></span></p><p class=MsoListParagraph><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l1 level1 lfo5'><![if !supportLists]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><span style='mso-list:Ignore'>3.<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Ideal length(s) for Wilder HCBs<o:p></o:p></span></p><p class=MsoListParagraph><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'>Rupert<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> bob_hasenick@non.agilent.com [mailto:bob_hasenick@non.agilent.com] <br><b>Sent:</b> Wednesday, April 02, 2014 10:30 AM<br><b>To:</b> rsdance@soft-forge.com<br><b>Cc:</b> James.Morgante@anritsu.com; john.c.calvin@tek.com<br><b>Subject:</b> Suggestions for Characterizing Transition Times for Infiniband<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi Rupert:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> We discussed the need to be more specific about the <a name=Patterns>patterns </a>and conditions used to characterize transition times for the Infiniband testing we’re doing at the Plugfest 25. Currently the standard says to use PRBS9, and the test is performed on the eye. The reported values can vary greatly depending on several factors. Other standards have addressed this by being more specific in one of two ways. I assume that the needs to characterize transition times within Infiniband are very similar to the needs of other standards so the Infiniband method could be similar.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>One: Use the first 18 bits of a PRBS9 pattern and measure rise time on two specific transitions using the waveform rather than the eye. An example of this is shown from OIF CEI below.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Two: Use a pattern with repeating number of zeros and ones such as square 4 or square 8. An example of this is shown from IEEE below, and is included in the CEI reference.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal> Please let me know as you have questions.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Thanks,<o:p></o:p></p><p class=MsoNormal>Bob<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img border=0 width=512 height=478 id="Picture_x0020_2" src="cid:image004.jpg@01CF4E5E.78E74AF0"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><img border=0 width=448 height=410 id="Picture_x0020_3" src="cid:image005.jpg@01CF4E5E.78E74AF0"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Bob Hasenick<o:p></o:p></p><p class=MsoNormal>Technical and Applications Consulting<o:p></o:p></p><p class=MsoNormal>707-577-3425<o:p></o:p></p><p class=MsoNormal><img border=0 width=748 height=105 id="Picture_x0020_1" src="cid:image009.jpg@01CF4E5E.78E74AF0"><o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>