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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:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Setup that I was on mind is a little different, but I think your setup works well.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In my setup the HUB is connected directly to the UPS, then the cables go to raspberry and device.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In your setup the HUB is connected directly to the raspberry, then the cables go to UPS and Device.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>It’s Ok?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>In both configurations I need the same things: Male B->female A adaptor, HUB and 2 male A-> male A cables. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>The male A- male A cables have any peculiarity? Can I buy it or make it myself without problems? <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks a lot for advice. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'>Da:</span></b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif"'> Charles Lepple [mailto:clepple@gmail.com] <br><b>Inviato:</b> marted́ 20 gennaio 2015 14:23<br><b>A:</b> Maurizio Iacaruso<br><b>Cc:</b> NUT List<br><b>Oggetto:</b> Re: [Nut-upsuser] R: NUT and relay on USB<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>On Jan 20, 2015, at 7:43 AM, Maurizio Iacaruso <<a href="mailto:maurizio.iacaruso@gmail.com">maurizio.iacaruso@gmail.com</a>> wrote:<br><br><br><o:p></o:p></p><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal>I connect USB A (female) to USB B (male) adapter -> HUB -> 2 USB wires male<br>to male, one to raspberry and another one to my device.<o:p></o:p></p></blockquote><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>I'm not sure I understand your setup.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>This should work, using standard USB cables:<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> <- upstream downstream -></span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> <- host device -></span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> A->B A->B</span><o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'>Raspberry Pi -> hub -> UPS</span><o:p></o:p></p></div><div><p class=MsoNormal><span style='font-family:"Courier New"'> |</span><o:p></o:p></p></div><p class=MsoNormal><span style='font-family:"Courier New"'> \---> device</span><o:p></o:p></p><div><p class=MsoNormal><o:p> </o:p></p></div><div><p class=MsoNormal>The problem is that there is no equivalent of a "crossover cable" or "null-model adapter" for USB. (I am ignoring <a href="http://en.wikipedia.org/wiki/USB_On-The-Go">USB OTG</a> for the moment, since you want the RPi to talk to the UPS). There are many USB adapter cables out there that will only work for supplying power, or only with point-to-point USB OTG.<o:p></o:p></p></div><div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'>-- <br>Charles Lepple<br>clepple@gmail<br><br><o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p></div></div></body></html>