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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal>Hello all,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I am forwarding this comment from Erdem Matoglu who works for Amphenol. He is concerned about the differences between the IBTA Spec and the IEEE Spec in regard to the HCB and the MCB.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Here are the documents he is referencing:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>IBTA Spec: Table 176 of Volume 2 Version 1.3.1: <a href="https://cw.infinibandta.org/wg/EWG/documentRevision/download/7446">https://cw.infinibandta.org/wg/EWG/documentRevision/download/7446</a><o:p></o:p></p><p class=MsoListParagraph style='margin-left:1.0in;text-indent:-.25in;mso-list:l2 level2 lfo3'><![if !supportLists]><span style='font-family:"Courier New"'><span style='mso-list:Ignore'>o<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>See Attached document for Page 561<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>IEEE Spec: P802d3bj_D2p1 – Section 92.11 - you need to have your own access to this spec.<o:p></o:p></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l2 level1 lfo3'><![if !supportLists]><span style='font-family:Symbol'><span style='mso-list:Ignore'>·<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]>EDR Compliance Test Results for HCB + MCB 090313: <a href="https://cw.infinibandta.org/wg/EWG/document/7532">https://cw.infinibandta.org/wg/EWG/document/7532</a><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><o:p> </o:p></p><p class=MsoNormal>Rupert<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></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"'> Erdem Matoglu [mailto:Erdem.Matoglu@amphenol-tcs.com] <br><b>Sent:</b> Thursday, September 05, 2013 3:29 PM<br><b>To:</b> Rupert Dance<br><b>Subject:</b> Re: [CIWG] CIWG meeting will be on Thursday September 5th from 2-3 PM EST<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi Rupert, </span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Would you please take a look at Section 92.11 ? It seems to me that for the MCB, IEEE.3bj is more relaxed. </span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>For the HCB the IB requirement is more relaxed. Wilder is aiming for 2.2dB, but IEEE is asking for even lower loss. </span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I think for the MCB the IEEE specification is doable. Even the attached presentation on Wilder HCB uses an MCB with 1.14dB IL. </span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I also think that the HCB requirement and or the mated MCB-HCB requirement should somehow be relaxed in a controlled way for both standards. </span><br><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Regards,</span><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Erdem</span><o:p></o:p></p><table class=MsoNormalTable border=1 cellpadding=0 width="100%" style='width:100.0%'><tr><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><img border=0 width=1 height=1 id="_x0000_i1025" src="cid:image001.png@01CEAEE8.9618B390"><o:p></o:p></p></td><td width="13%" valign=top style='width:13.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>IBTA MCB</span><o:p></o:p></p></td><td width="22%" valign=top style='width:22.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>IEEE 802.3bj MCB</span><o:p></o:p></p></td><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>IBTA HCB</span><o:p></o:p></p></td><td width="25%" valign=top style='width:25.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>IEEE 802.3bj HCB</span><o:p></o:p></p></td></tr><tr><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>7.0312GHz</span><o:p></o:p></p></td><td width="13%" valign=top style='width:13.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>0.55dB</span><o:p></o:p></p></td><td width="22%" valign=top style='width:22.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>0.72dB</span><o:p></o:p></p></td><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>1.5dB</span><o:p></o:p></p></td><td width="25%" valign=top style='width:25.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>1.15dB</span><o:p></o:p></p></td></tr><tr><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>12.89GHz</span><o:p></o:p></p></td><td width="13%" valign=top style='width:13.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>0.84dB</span><o:p></o:p></p></td><td width="22%" valign=top style='width:22.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>1.17dB</span><o:p></o:p></p></td><td width="20%" valign=top style='width:20.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>2.2dB</span><o:p></o:p></p></td><td width="25%" valign=top style='width:25.0%;padding:.75pt .75pt .75pt .75pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>1.87dB</span><o:p></o:p></p></td></tr></table><p><br><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Sincerely,<br><br>Erdem Matoglu, PhD<br>Senior Engineer - Signal Integrity<br>Amphenol High Speed Interconnects<br>200 Innovative Way, Suite 201<br>Nashua, NH 03062<br><a href="mailto:Erdem.Matoglu@amphenol-tcs.com">Erdem.Matoglu@amphenol-tcs.com</a><br>603-879-3334 </span><br><br><o:p></o:p></p></div></body></html>