What ever happened to the outdoor version of the card holder? Just make a universal case that accepts all of the card options.
Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne St Suite 1337 Troy, OH 45373 On Tue, Dec 1, 2015 at 5:08 PM, Chuck McCown <[email protected]> wrote: > Not yet... > What form factor would be preferred? > I could fit it in my regular surge suppressor case if that is not too > small. > > > -----Original Message----- From: Craig Baird > Sent: Tuesday, December 01, 2015 3:07 PM > To: [email protected] > Subject: Re: [AFMUG] POE vs DC and surge supression > > You don't have an outdoor version, do you? > > Craig > > > Quoting Chuck McCown <[email protected]>: > > I am kinda partial to this one: >> >> http://www.mccowntech.com/dc-power-line-apc-rack-surge-suppressor-protector/ >> >> From: Josh Baird >> Sent: Tuesday, December 01, 2015 2:33 PM >> To: [email protected] >> Subject: Re: [AFMUG] POE vs DC and surge supression >> >> Not to go too far off track here, but what DC surge protectors have you >> used? I priced ones from Calix and they were sort of pricey (>100 each). >> >> Josh >> >> On Tue, Dec 1, 2015 at 4:29 PM, Ken Hohhof <[email protected]> wrote: >> >> I can't speak to R56, but the only experience I have with 48V direct >> DC power is with a WiMAX basestation that the manufacturer claimed the >> field failures were reduced to almost zero when they started recommending >> a DC surge protector at the basestation. My personal view is the one by >> the BS or AP (and it should be right next to it) is more important than >> one on the ground. In our case, if a surge tried to blow out our >> rectifiers and battery, it would probably just pop a fuse. Even so, >> replacing some 48V DC equipment on the ground is no big deal compared to >> replacing an expensive basestation up on a tower. >> >> >> -----Original Message----- From: Craig Baird >> Sent: Tuesday, December 01, 2015 3:11 PM >> To: [email protected] >> Subject: [AFMUG] POE vs DC and surge supression >> >> >> We've got some Cambium PTP820S radios going up shortly. We will be >> running fiber to the radios, so we're debating on POE vs. DC up the >> tower for powering them. We have been told by the tower owner that we >> need to adhere to R56 for lightning protection. >> >> Our initial thought was that we would just run POE since we already >> have the cable, and it would give us an out-of-band management port. >> But, according to the Cambium installation manual (and I think R56 >> specifies this too), it says that if we're running POE, we're supposed >> to bond the cable shield to the tower every 50 meters. I assume that >> means at the top and bottom since our cable runs are all less than 50 >> meters. In addition, the manual says that we should use Ethernet surge >> suppressors. We're thinking "what a pain in the butt". On the other >> hand, the Cambium manual does not address grounding for DC cable in >> any way other than saying that the radio has DC (and Ethernet) surge >> protection built in. >> >> So the DC option is looking pretty attractive compared to the hoops >> we'll need jump through for ethernet. I'm wondering if there's >> something we're missing that the Cambium manual doesn't address. I >> figured just to be safe, we would go ahead and put DC surge >> suppressors at the top and bottom of the DC cable. Is there anything >> else needed for R56 adherence in this situation? >> >> Craig >> >> >> >> >> >> > > >
