When it clamps, does it just dump the power to ground or would something get damaged on the card?
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Dec 10, 2014 9:29 AM, "Chuck McCown via Af" <af@afmug.com> wrote: > The non POE SS have LV and HV versions. > > The old 444 and other radio specific units have HV on the POE pairs and > your choice of LV or HV on the data pairs. > > GigE SS is your choice, LV or HV. > GigE SS POE is all HV on all wires. > > The buyer needs to know that if you want something clamped at 4 volts, it > will clamp at 4 volts. > And that is the ultimate in protection for non POE situations assuming > there isn't a bunch of RF or other noise causing false clamps. > > If you put 5 volts on the line it will clamp. > I am always surprised when people do this and then complain about it. > Kinda like airbags going off on a demolition derby car. How is that the > fault of the airbag? > > -----Original Message----- From: George Skorup (Cyber Broadcasting) via Af > Sent: Tuesday, December 09, 2014 6:20 PM > To: af@afmug.com > Subject: Re: [AFMUG] Wrong surge suppressor on gig POE > > I think all pins or pairs on the non-PoE GigESS's are clamped under 10 > volts. So.. boom? > > Are you sure you didn't get regular 10/100 APC PoE SS's? And that's why > your GigE isn't working? > > I believe the GigESS-HV's are pretty clearly marked/stamped as HV. At > least the ones I have in the PRM24 chassis in the NOC are. Yep, just > looked, the back of the handle is stamped HV. > >
