Regarding Cambium/Ceragon PTP850C, I believe we found if you use the DC power input (fiber+DC) it actually has to be positive ground.
From: AF <[email protected]> On Behalf Of Dev Sent: Monday, June 23, 2025 10:34 AM To: AnimalFarm Microwave Users Group <[email protected]> Subject: Re: [AFMUG] Mikrotik on -48VDC It’s a Mikrotik, don’t you just hook it up and look for smoke :) Seriously, we’ve been moving more to mainstream telecom, and it’s a good question for Adtran, 11GHz Cambium PtP, Calix, etc. I bought an open frame Meanwell power supply for the Calix, and the smoke hasn’t rolled out - yet. On Jun 23, 2025, at 8:23 AM, Adam Moffett <[email protected] <mailto:[email protected]> > wrote: Are there are any Mikrotik models that definitely work with positive ground? I know I can use an isolated converter, but it would make me happier if I don't need one. -Adam -- AF mailing list <mailto:[email protected]> [email protected] <http://af.afmug.com/mailman/listinfo/af_af.afmug.com> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
-- AF mailing list [email protected] http://af.afmug.com/mailman/listinfo/af_af.afmug.com
