I'm feeding one with +24V. I believe they have a DC-DC converter inside. They also take redundant power, right?
-----Original Message----- From: Af [mailto:af-boun...@afmug.com] On Behalf Of Jon Langeler Sent: Tuesday, December 6, 2016 6:27 PM To: af@afmug.com Subject: Re: [AFMUG] WTB IP-20C POE I've been using regular 48v power supplies with the outdoor PoE injectors for years and no issue yet. Jon Langeler Michwave Technologies, Inc. > On Dec 6, 2016, at 7:13 PM, Faisal Imtiaz <fai...@snappytelecom.net> wrote: > > Hi Chuck... > > This may be an opportunity to clarify something... > > According to the specs Ceragon IP-20c is a -48vdc radio. > Their POE box/adapter, takes 48v dc or 24v dc and powers the radio. > > There has not been any clear answer if their Radios will run on regular 48vdc directly ... > There have been folks who have 'tested' the cambium 820 version of these plugging directly on the Netonix switches. > > In my opinion, these are not 'in-expensive' radios that I would risk installing in-correctly. > > In recommending your injector / surge protector as a solution, my question would be. > > 1) can we do -48v dc power via these devices ? it is just a matter of making sure the polarity of the dc cable is correct ? or is there more to it. > > > Regards > > Faisal Imtiaz > > > ----- Original Message ----- >> From: "Chuck McCown" <ch...@wbmfg.com> >> To: af@afmug.com >> Sent: Tuesday, December 6, 2016 6:08:49 PM >> Subject: Re: [AFMUG] WTB IP-20C POE > >> I am hurt... >> >> http://www.mccowntech.com/800-gige-poe-outdoor-midspan-poe-injector-e >> thernet-surge-protector/ >> http://www.mccowntech.com/800-gige-poe-apc-rack-mount-surge-protector >> -power-inserter/ >> >> Sheesh! >> >> -----Original Message----- >> From: Faisal Imtiaz >> Sent: Tuesday, December 06, 2016 3:55 PM >> To: af@afmug.com >> Subject: Re: [AFMUG] WTB IP-20C POE >> >> Some suggestions:- >> >> for the POE injector... >> you can try a Cambium Reseller. >> you can possibly by them on Ebay (shipping from Israel) >> you can try Surplus Wireless Gear folks too. >> >> In regards to the Power Supply, that is a straight forward 48v DC >> power supply (Brick). >> >> Regards >> >> >> Faisal Imtiaz >> Snappy Internet & Telecom >> 7266 SW 48 Street >> Miami, FL 33155 >> Tel: 305 663 5518 x 232 >> >> Help-desk: (305)663-5518 Option 2 or Email: supp...@snappytelecom.net >> >> ----- Original Message ----- >>> From: "Sterling Jacobson" <sterl...@avative.net> >>> To: "af@afmug.com" <af@afmug.com> >>> Sent: Tuesday, December 6, 2016 5:45:19 PM >>> Subject: [AFMUG] WTB IP-20C POE >> >>> Somehow I misplaced my Ceragon POE injector and power supplies >>> during a cabinet move. >>> >>> Anyone happen to have a Ceragon IP-20C compatible POE unit they >>> could sell me? >>> >>> I think the power supplies probably aren't that hard to find, but >>> the POE apparently is.
