<html><head><meta http-equiv="Content-Type" content="text/html charset=windows-1252"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;">On Jan 20, 2015, at 9:32 AM, Maurizio Iacaruso <<a href="mailto:maurizio.iacaruso@gmail.com">maurizio.iacaruso@gmail.com</a>> wrote:<br><div><br class="Apple-interchange-newline"><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Setup that I was on mind is a little different, but I think your setup works well.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">In my setup the HUB is connected directly to the UPS, then the cables go to raspberry and device.</span></div></div></div></blockquote><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"><o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">In your setup the HUB is connected directly to the raspberry, then the cables go to UPS and Device.<o:p></o:p></span></div></div></div></blockquote><div lang="EN-US" link="blue" vlink="purple" style="orphans: auto; text-align: start; text-indent: 0px; widows: auto;"><div class="WordSection1" style="page: WordSection1;"><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"><br></span></div><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-family: Helvetica; font-size: 14px;">well, actually, I was describing a scenario with three standard A->B cables. In my mind, the presence of an A-to-A cable indicates a problem in the design :-)</span></div><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"><br></span></div><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;">Wait, are you just trying to use the UPS for 5VDC power over USB for the other device?</span></div><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><br></span></div><div style="margin: 0cm 0cm 0.0001pt;"><font face="Calibri, sans-serif"><span style="font-size: 11pt;">The diagram I drew shows </span><span style="font-size: 15px;">how to connect the UPS to the RPi for monitoring, through the hub. Other configurations are possible if you don't need to monitor the UPS.</span></font></div><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div></div></div><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">It’s Ok?<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">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></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">The male A- male A cables have any peculiarity? Can I buy it or make it myself without problems?<o:p></o:p></span></div></div></div></blockquote><div lang="EN-US" link="blue" vlink="purple" style="orphans: auto; text-align: start; text-indent: 0px; widows: auto;"><div class="WordSection1" style="page: WordSection1;"><div style="font-family: 'Times New Roman', serif; font-size: 12pt; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; margin: 0cm 0cm 0.0001pt;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt;"><font color="#1f497d" face="Calibri, sans-serif"><span style="font-size: 15px;"><a href="http://en.wikipedia.org/wiki/USB#Cable_plugs_.28USB_1.x.2F2.0.29">http://en.wikipedia.org/wiki/USB#Cable_plugs_.28USB_1.x.2F2.0.29</a></span></font></div><div style="margin: 0cm 0cm 0.0001pt;"><font color="#1f497d" face="Calibri, sans-serif"><span style="font-size: 15px;"><br></span></font></div><div style="margin: 0cm 0cm 0.0001pt;"><font face="Calibri, sans-serif"><span style="font-size: 15px;">The "non-standard" designation for the A-to-A cable means that it can't be used for normal USB communications, but it might work for supplying 5VDC.</span></font></div><div style="margin: 0cm 0cm 0.0001pt;"><font color="#1f497d" face="Calibri, sans-serif"><span style="font-size: 15px;"><br></span></font></div></div></div><blockquote type="cite"><div lang="EN-US" link="blue" vlink="purple" style="font-family: Helvetica; font-size: 14px; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-stroke-width: 0px;"><div class="WordSection1" style="page: WordSection1;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);">Thanks a lot for advice.<o:p></o:p></span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-size: 11pt; font-family: Calibri, sans-serif; color: rgb(31, 73, 125);"> </span></div><div><div style="border-style: solid none none; border-top-color: rgb(225, 225, 225); border-top-width: 1pt; padding: 3pt 0cm 0cm;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><b><span style="font-size: 11pt; font-family: Calibri, sans-serif;">Da:</span></b><span style="font-size: 11pt; font-family: Calibri, sans-serif;"><span class="Apple-converted-space"> </span>Charles Lepple [<a href="mailto:clepple@gmail.com">mailto:clepple@gmail.com</a>]<span class="Apple-converted-space"> </span><br><b>Inviato:</b><span class="Apple-converted-space"> </span>martedě 20 gennaio 2015 14:23<br><b>A:</b><span class="Apple-converted-space"> </span>Maurizio Iacaruso<br><b>Cc:</b><span class="Apple-converted-space"> </span>NUT List<br><b>Oggetto:</b><span class="Apple-converted-space"> </span>Re: [Nut-upsuser] R: NUT and relay on USB<o:p></o:p></span></div></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">On Jan 20, 2015, at 7:43 AM, Maurizio Iacaruso <<a href="mailto:maurizio.iacaruso@gmail.com" style="color: purple; text-decoration: underline;">maurizio.iacaruso@gmail.com</a>> wrote:<br><br><br><o:p></o:p></div><blockquote style="margin-top: 5pt; margin-bottom: 5pt;"><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">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></div></blockquote><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">I'm not sure I understand your setup.<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">This should work, using standard USB cables:<o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';"> <- upstream downstream -></span><o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';"> <- host device -></span><o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';"> A->B A->B</span><o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';">Raspberry Pi -> hub -> UPS</span><o:p></o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';"> |</span><o:p></o:p></div></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><span style="font-family: 'Courier New';"> \---> device</span><o:p></o:p></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;">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" style="color: purple; text-decoration: underline;">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></div></div><div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div><div><p class="MsoNormal" style="margin: 0cm 0cm 12pt; font-size: 12pt; font-family: 'Times New Roman', serif;">-- <br>Charles Lepple<br>clepple@gmail<br><br><o:p></o:p></p></div><div style="margin: 0cm 0cm 0.0001pt; font-size: 12pt; font-family: 'Times New Roman', serif;"><o:p> </o:p></div></div></div>_______________________________________________<br>Nut-upsuser mailing list<br><a href="mailto:Nut-upsuser@lists.alioth.debian.org" style="color: purple; text-decoration: underline;">Nut-upsuser@lists.alioth.debian.org</a><br><a href="http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser" style="color: purple; text-decoration: underline;">http://lists.alioth.debian.org/cgi-bin/mailman/listinfo/nut-upsuser</a></div></blockquote></div><br><div>
<span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; "><div style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; "><div>-- </div><div>Charles Lepple</div><div><br></div><div><div>A: Because it messes up the order in which people normally read text.</div><div>Q: Why is top-posting such a bad thing?</div><div>A: Top-posting.</div><div>Q: What is the most annoying thing on usenet and in e-mail?</div></div></div></span></span>
</div>
<br></body></html>