Could this have been the cause of my first outage in 7 months? I was wondering what happened. My router had a brief blip in voltage and rebooted. I was very sad to lose my 7 month uptime, even though it was just a 1 minute long outage (long enough for the EdgeRouter and AF24 to reboot).
Thank you, Brett A Mansfield > On Aug 23, 2017, at 11:59 AM, Sterling Jacobson <[email protected]> wrote: > > I had about 10 of these units suffer from the disconnect problem this morning. > > Some were powered solely from DC wall plug directly to round connector. > > Some were powered solely from POE injector from included DC wall plug power > supply. > > Some were actually powered by both direct DC round plug AND POE from the > Ethernet/Ether1 port. > > So in essence I've ruled all of those combos out as individual > immunity/culprits. > > Some of these were plugged in to small UPS units from APC or similar brand. > > Which I know don't do line conditioning, so that doesn't surprise me there. > > > > -----Original Message----- > From: Af [mailto:[email protected]] On Behalf Of Adam Moffett > Sent: Wednesday, August 23, 2017 11:56 AM > To: [email protected] > Subject: Re: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik CRS units > > We have at least 50 CRS and I've never seen that. > We aren't using the wall warts though. These are almost all on Traco 48v > power supplies plus a 48 to 24 converter. So I have a second layer of > conversion between the device and the power. That's just an observation and > I don't know that it ought to make a difference. > > > ------ Original Message ------ > From: "Sterling Jacobson" <[email protected]> > To: "[email protected]" <[email protected]> > Sent: 8/23/2017 1:39:43 PM > Subject: [AFMUG] Brown-outs, Power fluctuations lock up Mikrotik CRS units > >> I get power glitches from time to time in our city and it never fails >> to cause one or more of our CRS units to glitch. >> >> They appear powered and running, but SFP+ modules don't communicate >> until a power cycle. >> >> Anyone else see this? >> >> And generally, I don't understand how variations in 110v AC get through >> the DC power wart and cause problems to the CRS. >> >> I mean, shouldn't the conversion from AC to DC inherently clean up some >> of the crap of the AC power? >> >> Or is this a function of the power dipping low enough for brief time, >> that the DC also goes almost out then surges back? >> >> The CRS handles a wide range of DC input voltage, so I thought it would >> be more immune to fluctuations of DC voltage too. >> >> Is that what is causing problems with the CRS maybe? >> >> >
