<div dir="auto">Good job :) </div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 29 May 2019, 18:21 , <<a href="mailto:grumpy@mailfence.com">grumpy@mailfence.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">On Tue, 28 May 2019, nicolae788 wrote:<br>
<br>
> Apc uses a propietary serial cable and your convertar for sure it's wired<br>
> standard. Refer to the following link for info.<br>
> <a href="https://pinoutguide.com/UPS/apc_smart_cable_pinout.shtml" rel="noreferrer noreferrer" target="_blank">https://pinoutguide.com/UPS/apc_smart_cable_pinout.shtml</a><br>
><br>
> Good luck<br>
><br>
> On Tue, 28 May 2019, 15:13 , <<a href="mailto:grumpy@mailfence.com" target="_blank" rel="noreferrer">grumpy@mailfence.com</a>> wrote:<br>
><br>
>> a friend gave me an old apc smart-ups 1250<br>
>> it has a rs232 interface but i have no pc with a rs232 port<br>
>> i attempted to use a rs232 to usb adapter but the ups goes nuts<br>
>> i connected the ups to batteries and verified it was working properly<br>
>> when i plug the usb cable into the pc the ups shuts down<br>
>> when i attempt to turn it on it beeps twice and shuts down<br>
>> this all occurs before i start the nut software<br>
>> other than give up or buy a new ups, any suggestions<br>
>><br>
<br>
soldered up a cable today<br>
the ups is in an out buiding with underground cable to the house<br>
plugged the rs232 to usb adapter into a raspberry pi zero w<br>
works great<br>
thanks<br>
<br>
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