<div dir="ltr"><div><div><div><div><div>Just had the experience of designing a multiple outlet web switch.<br><br></div>JAVA/Browser UI with python/RaspPI controller.<br><br></div>In this case I had some serious in rush current issues for a couple of devices being controlled.<br><br></div>Ultimately switched to SSR's that were rated at nearly 10 x the current rating of the devices to avoid welded contacts or fried SSR's.<br><br></div>It works, but I'll probably re-write the software with a custom GUI and skip the web sockets for udp.<br><br></div>Mac<br></div><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 22, 2017 at 3:52 PM, Tom Buskey <span dir="ltr"><<a href="mailto:tom@buskey.name" target="_blank">tom@buskey.name</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">I had used a web based PDU with ~ 6 outlets and you could toggle them individually. I wish I could remember the brand/where I got it. It was under $200, maybe closer to $100 and a great deal. I think it was a Cyberguys thing.<div><br></div><div>There are other PDUs that can do that. eBay might be the only way to get one under $500.</div><div><br></div><div>Some UPSes can toggle power per port. They can certainly turn everything off. Networked ones do so via SNMP/web/telnet/ssh.</div><div><br></div><div>At work, we have a WTI unit that will toggle power.<br><div><br></div></div></div><div class="HOEnZb"><div class="h5"><div class="gmail_extra"><br><div class="gmail_quote">On Tue, Aug 22, 2017 at 3:33 PM, Joshua Judson Rosen <span dir="ltr"><<a href="mailto:rozzin@hackerposse.com" target="_blank">rozzin@hackerposse.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Anyone have any experience with ethernet-controlled power relays?<br>
<br>
I have a situation with a couple of embedded Linux appliances I'm working on,<br>
that are deployed hundreds of miles away from me, and I need the ability<br>
to power-cycle one of them remotely. Looking for some sort of remote-controlled<br>
AC outlet or relay (relay could be an 120V AC relay or a 12VDC relay, actually...).<br>
<br>
Need one that I can control from a shell login on the other Linux machine<br>
at the site, e.g.: a socket interface I can drive with netcat or the like,<br>
a web interface that works with w3m or curl, SNMP.... Any of those would be fine.<br>
<br>
I see a lot of different devices on Amazon that look like they might require<br>
an iPhone or Android device running some proprietary GUI app on the LAN,<br>
but I'm having trouble telling which are worthwhile and which will be a waste of time.<br>
<br>
Suggestions?<br>
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