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<p>I haven't tried it on RaspberryPi, but if there's some specific Tripp Lite information I can help with, let me know.</p>
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<p>David Zomaya</p>
<p>Tripp Lite<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size:11pt" face="Calibri, sans-serif" color="#000000"><b>From:</b> Nut-upsuser <nut-upsuser-bounces+david_zomaya=tripplite.com@alioth-lists.debian.net> on behalf of Charles Lepple <clepple@gmail.com><br>
<b>Sent:</b> Sunday, December 8, 2019 8:36 PM<br>
<b>To:</b> Layne Fowler<br>
<b>Cc:</b> nut-upsuser<br>
<b>Subject:</b> [EXTERNAL] Re: [Nut-upsuser] Tripp Lite SMART1500LCD repeatedly disconnecting and reconnecting</font>
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<div><font size="2" face="verdana,arial,sans-serif" color="#C11B17"><span>This is an
<b>EXTERNAL</b> email. Please take a moment and think before clicking any links or opening any attachments from this email. If suspicious, please forward to ishelpdesk@tripplite.com for review.</span></font>
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On Dec 8, 2019, at 5:46 PM, Layne Fowler <<a href="mailto:layne.fowler@gmail.com" class="">layne.fowler@gmail.com</a>> wrote:<br class="">
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<blockquote type="cite" class=""><br class="Apple-interchange-newline">
<div class=""><span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">My
UPS is connected to a Raspberry Pi by USB. After a few hours of working, the service fails. Looking at kernel messages I noticed that the device is repeatedly disconnecting and reconnecting.</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">I
have tried using a different USB port and using a brand new USB cable. I have not had success by changing config parameters like pollfreq/pollinterval/etc.</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">What
is causing the UPS to keep disconnecting?</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
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<div>Not sure (it's a protocol issue lower than NUT), but does this post from Tripp Lite help the UPS automatically reconnect?</div>
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<div><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__alioth-2Dlists.debian.net_pipermail_nut-2Dupsuser_2019-2DJune_011451.html&d=DwMFAg&c=f9s1WCuF-N6cmD_YaZ7gBg&r=lhr3k4au5dVQgHY_iS-v_t9g8PHVkn8Px_wyaupZGfQ&m=5bTj0FByjuC7ZwvwC7XsgqsH_kXRehDbkaYVEGxZrkQ&s=-Pz1JlSeu5vl0n4bXiBIaPW1nFRDro_yq3QvTTbwC5o&e=" class="">https://alioth-lists.debian.net/pipermail/nut-upsuser/2019-June/011451.html</a></div>
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<div>(you may need to do some RedHat-to-Debian translation for some of the pathnames.)</div>
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<blockquote type="cite" class="">
<div class=""><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">OS
- Raspbian GNU/Linux 10 (buster)</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">Kernel
- 4.19.75-v7+</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">Nut
version - 2.7.4-8</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">Installation
method - From package</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
<span class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none; float:none; display:inline!important">UPS
- Tripp Lite SMART1500LCD</span><br class="" style="font-family:Helvetica; font-size:14px; font-style:normal; font-weight:normal; letter-spacing:normal; text-align:start; text-indent:0px; text-transform:none; white-space:normal; word-spacing:0px; text-decoration:none">
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<div class="">Thanks for including all of the version information.</div>
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