55ºC shown in the datasheet, but I have several 450Gs working with 24V and 60-65ºC. One of them, died 2 months ago and I'am changing from 24 to 12V.
; ) * Martín Ruiz* * * *Ibersystems Solutions, SL* * * 2011/3/24 Scott Lambert <[email protected]> > On Thu, Mar 24, 2011 at 06:32:22PM +0100, Martín Ruiz [Ibersystems.es] > wrote: > > 2011/3/24 john <[email protected]> > > > I have been having a weird problem with 450G routers. They seem to not > > > reboot when you tell it to reboot in the software. You have to Hard > Boot > > > it. The lights go off and it just sits there. All but the Blue light. > I > > > have one that I just got out of the box and upgraded it to 4.17. the > first > > > reboot went well. I did a reboot to upgrade firmware and it happened. > We > > > mainly use POE Power supplies that run 24i. Anyone else has any > problems > > > with certain power supplies or this problem? > > > > > > > I had problems with 24V in 450s. Use 12V better, but the problems was > with > > heat 60-65 C.. > > I don't know what the temp was on my boards when they failed to > reboot after a firmware upgrade. My 450Gs use 12V power supplies. > One supply on the 450G which failed to reboot on upgrade in the > field says it sees 11.4V from the power supply, according to MRTG. > > In the 24 hours I've had MRTG setup to graph voltage and temp, the > voltage has been a constant 11.4v. The temp has varied from 42 C > to 56 C. Unfortunately the problem firmware upgrade happened a > week before I found time to add the temp and voltage monitoring to > the mrtg host templates. > > How hot is too hot for these things? I haven't found the answer > to that question via google searches after a couple of hours of > digging through the query results. > > -- > Scott Lambert KC5MLE Unix SysAdmin > [email protected] > > _______________________________________________ > Mikrotik mailing list > [email protected] > http://www.butchevans.com/mailman/listinfo/mikrotik > > Visit http://blog.butchevans.com/ for tutorials related to Mikrotik > RouterOS > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://www.butchevans.com/pipermail/mikrotik/attachments/20110324/eec746eb/attachment.html> _______________________________________________ Mikrotik mailing list [email protected] http://www.butchevans.com/mailman/listinfo/mikrotik Visit http://blog.butchevans.com/ for tutorials related to Mikrotik RouterOS

