Thermistor could work. Google inrush current limiters. Sent from my iPhone
> On Sep 3, 2020, at 12:56 PM, Chuck McCown <ch...@wbmfg.com> wrote: > > Lots of equipment will have a high inrush current wham starting. I think > you don’t have enough capacity to get things started. Cheap DC-DC converters > don’t like high starting loads. A fix would be a series inductor with a > flywheel diode. I am on the road else I would help with some component > selection. > > Sent from my iPhone > >>> On Sep 3, 2020, at 11:34 AM, Sterling Jacobson <sterl...@avative.net> wrote: >>> >> >> I bought a cheap 24v to 48v (5A max) upconvert from Amazon. >> >> I have it wired to feed a MT CRS switch via DC and radio via POE on the 48v >> leg. >> >> But when I plug everything in, the CRS doesn’t show any lights, and the >> radio/POE just pulses green light it’s powering, then not powering in a >> cycle. >> >> When I remove the radio POE, the CRS will start pulsing green light it’s >> getting power for a split second, then not, then power, in a cycle just like >> the radio POE. >> After maybe 10-20 seconds the CRS finally gets full power and boots up just >> fine. >> After it begins to get full power I can plug in the POE to the radio and it >> boots up just fine too. >> >> I’ve tried different power supplies and different POE injectors and >> different CRS switches and different 24v to 48v upconvert modules, always >> the same. >> >> So I’m thinking I need to do something inline with the 24v feed to maybe >> delay or build up amperage first? >> >> It really sounds like an odd electronics problem with this particular >> upconverter that may be lacking a component necessary for my scenario. >> >> What do you electronics people think? >> >> From: AF <af-boun...@af.afmug.com> On Behalf Of Josh Baird >> Sent: Wednesday, September 2, 2020 6:42 AM >> To: AnimalFarm Microwave Users Group <af@af.afmug.com> >> Subject: Re: [AFMUG] Mikrotik Vrrp >> >> Yes - the VRRP should be a /32. Typical configuration looks like this: >> >> Router1: >> >> ether1: 192.168.1.2/24 >> vrrp.ether1: 192.168.1.1/32 >> >> Router2: >> >> ether1: 192.168.1.3/24 >> vrrp.ether1: 192.168.1.1/32 >> >> Your VRRP interface (192.168.1.1/32) should be a /32, and it should be on >> the same subnet as your "physical" interfaces. >> >> On Tue, Sep 1, 2020 at 11:06 PM Rhys Cuff (Speedweb Internet) via AF >> <af@af.afmug.com> wrote: >> Hi Guys >> >> Has anyone had much experience with using Vrrp on a Mikrotik? >> It seemed pretty easy to setup but the manual said the floating IP must be a >> /32 and to put an IP on the physical interface with a /24 >> This seemed wrong so I just put a /24 on the Vrrp interface and a completely >> different subnet on the physical interface for the routers to communicate. >> >> Thinking I was clever all was well till about 1am two days after I did this, >> then it completely failed, switching back and forth from master to backup, >> basically having two masters on and off. >> >> Is having a /32 on the vrrp really necessary, if so why? >> Why would it have been all good for two days? >> >> So my config that lasted two days >> Vrrp 192.168.1.1/24 (floating IP I care about) >> Physical 10.0.1.1/24 (to communicate with master/backup routers) >> >> How the manual says to do it >> Vrrp 192.168.1.1/32 >> Physical 192.168.1.2/24 >> >> Doing it the second way will mean a lot more IP’s/config as I want to have >> around 20 floating IP’s >> >> Thanks again for any help. >> >> Rhys >> >> >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com >> -- >> AF mailing list >> AF@af.afmug.com >> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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