<html><head><meta http-equiv="Content-Type" content="text/html charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><div style="color: rgb(0, 0, 0); letter-spacing: 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; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); letter-spacing: 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; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div style="color: rgb(0, 0, 0); font-variant-ligatures: normal; font-variant-position: normal; font-variant-caps: normal; font-variant-numeric: normal; font-variant-alternates: normal; font-variant-east-asian: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: -webkit-auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space;" class=""><div class=""><div class=""><blockquote type="cite" class="" style="font-family: ArialMT;">The "upsrw" command contacts upsd, so it sounds like you should be able to add a user to upsd.users on the NAS, and then run something like this on the Mac:<br class=""><br class=""> upsrw -s battery.charge.low=80 -u upsmaster -s sekret UPS@synology<br class=""><br class="">Per <a href="http://networkupstools.org/docs/man/upsd.users.html" class="">http://networkupstools.org/docs/man/upsd.users.html</a> , the "upsmaster" user would need at least "actions = SET". You will need to reload upsd after changing upsd.users.<br class=""></blockquote></div><div class=""><br class=""></div><div class=""><br class=""></div><div class="">I managed to do this, upsc reports: </div><div class=""><br class=""></div><span class="">battery.charge.low: 80 instead of 10 </span><div class=""><span class=""><br class=""></span></div><div class=""><span class="">What is the purpose of changing this value?</span></div><div class=""> </div><div class=""><br class=""></div><div class=""><span class=""><br class=""></span><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);"><span class="" style="font-variant-ligatures: no-common-ligatures;"><blockquote type="cite" class="" style="font-family: Arial; font-size: 14px;">If the UPS is not turning itself off after the NAS goes into safe mode, it might be possible to do this from the Mac. You probably have something like this in the Mac's upsmon.conf:<br class=""><br class=""> SHUTDOWNCMD "/sbin/shutdown -h +0"<br class=""><br class="">You could add an UPS shutdown command before the Mac shutdown command:<br class=""><br class=""> upscmd -u upsmaster -s sekret UPS@synology shutdown.stayoff<br class=""><br class="">but you would need to be sure that the UPS shutdown delay is long enough to allow the NAS to go into safe mode. (This is why it is recommended that the master (the NAS in your case) initiate the UPS shutdown.) Also, you would need to configure that NUT user to allow instant commands in upsd.users as well as upsrw access.</blockquote></span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);"><span class="" style="font-variant-ligatures: no-common-ligatures;"><br class=""></span></div><div class="" style="margin: 0px; font-size: 11px; line-height: normal; font-family: Menlo; background-color: rgb(255, 255, 255);"><span class="" style="font-variant-ligatures: no-common-ligatures;"><br class=""></span></div><span class="">I have SHUTDOWNCMD "/sbin/shutdown -h +0” now on the Mac is was SHUTDOWNCMD “” before.<br class=""></span><span class=""><br class=""></span><span class=""><br class=""></span><span class="">How do I check if the UPS is turning itself off after the NAS goes into safe mode? </span></div><div class=""><span class=""><br class=""></span></div><div class=""><span class=""><br class=""></span></div><div class=""><span class=""><br class=""></span><span class=""><br class=""></span><span class="">Kind regards,<br class=""><br class="">Rob </span></div></div></div></div></div></div></div><br class=""></div><br class=""></body></html>