I had a 0% success rate with ferrite. I have a 100% success rate with fiber (up the tower).
On Mon, Jan 9, 2023 at 10:57 AM Forrest Christian (List Account) < li...@packetflux.com> wrote: > Agreed. And if it's on the ethernet side, just adding some ferrite > chokes to the power line might fix the problem. Or switching to shielded > cable. > > On Mon, Jan 9, 2023, 7:52 AM Josh Luthman <j...@imaginenetworksllc.com> > wrote: > >> Step 1 is to figure out where your packet loss is coming from. If it's >> interference on the RF side, changing to a DC plant is a complete waste of >> time/money. >> >> On Mon, Jan 9, 2023 at 9:21 AM <dmmoff...@gmail.com> wrote: >> >>> Usually when people say "DC plant" they mean a rectifier. A charger + >>> inverter like you proposed would probably also count as having DC power >>> plant. >>> I used one of these once: >>> https://www.aimscorp.net/12-Volt-Pure-Sine-Inverter-Chargers/ >>> Worked fine, but no remote management. I'm sure there are a dozen >>> options out there to pick from. >>> >>> An isolation transformer might be a less intrusive change. Tripp Lite >>> makes some affordable ones. On the trip lite ones I had the hot and >>> neutral were isolated, but the ground passed straight through. Depending >>> on where the noise is coming from that might not fix it, but you can test >>> an isolated ground by snapping off the ground prong on the transformer or >>> using a 2-prong adapter. I say "test" because you shouldn't run without a >>> ground permanently. >>> >>> >>> >>> >>> -----Original Message----- >>> From: AF <af-boun...@af.afmug.com> On Behalf Of Jan-GAMs >>> Sent: Sunday, January 08, 2023 3:41 PM >>> To: af@af.afmug.com >>> Subject: Re: [AFMUG] backup power for small tower >>> >>> It's in a parking-lot of a business and they started plugging their food >>> truck into the power-source. So what do you mean by "DC plant"? >>> >>> On 1/8/23 12:20, Bill Prince wrote: >>> > If your site is 100% DC-powered, the batteries should provide all the >>> > isolation you need. My suggestion is to just switch to DC plant. >>> > >>> > >>> > bp >>> > <part15sbs{at}gmail{dot}com> >>> > >>> > On 1/8/2023 11:21 AM, Jan-GAMs wrote: >>> >> Ever since a food truck started plugging their truck into the same >>> >> power source we use we've been experiencing severe packet loss >>> >> through it. Possibly electrical motor-hum? Anyway, I'm wondering >>> >> what is available or suggested to use to place a better electrical >>> >> isolation for a battery backup in the box on the tower. >>> >> >>> >> We're using two ubiquiti radios one cheap ubiquiti router and a Cisco >>> >> fiber to ether-net router. We have a cyberpower 450va that provides >>> >> power for less than an hour when we have a power outage. It would be >>> >> better if we could use something more hefty. The NEMA box is 2ft x >>> >> 2ft x 8in. Inside is 2ft x 2ft x 6in. So there isn't much room. >>> >> >>> >> I'm thinking maybe a stack of batteries, a charger and a sine-wave >>> >> invertor? Unless someone knows of a product that would do what's >>> >> needed? >>> >> >>> >> >>> > >>> >>> -- >>> 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 >>> >> -- >> 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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