Has anyone used one of these to 'upgrade' a site to 24VDC while keeping it 24VDC?
http://www.alliedelec.com/search/productdetail.aspx?SKU=70069882#tab=specs On Sun, Apr 7, 2013 at 4:41 PM, Jon Auer <j...@tapodi.net> wrote: > That has been true, but it seems like the cell world has been moving to > 48V lately. > Examples: > Alvarion carrier WiMax (2.5Ghz), macro and micro uses 48V (maybe you can > get it in 24V, the stuff I've seen has all been 48V) > With packet optical, if you put a Cyan box in that uses 24V you > need separate linecard spares as they aren't compatible with the 48V stuff > in core. > More microwave backhauls are at 48V. Newer all-outdoor ones are using POE+ > / 802.3at which is 48V. > Cisco ASR901S pole-mount routers output POE+ so you have one outdoor box > to take your fiber and go to microwave to other sites. > Most Ethernet switches are AC or -48DC. > > > > On Sat, Apr 6, 2013 at 2:01 PM, Fred Goldstein <fgoldst...@ionary.com>wrote: > >> On 4/6/2013 2:20 PM, Mike Hammett wrote: >> > They should have always been 48v. I think the only reason they >> > weren't always 48v was because the RB5xx boards had problems >> > producing noise at 48v. >> >> The commercial wireless world (cell sites) is all 24 volt. The wireline >> world is 48 volt. So I can see why they would use 24 volts, but 48 is >> usually only for central office buildings, where there is no radio gear >> except, perhaps, some old-fashioned fixed microwave. A handful of >> competitive players are doing microwave collocation in COs, but given >> the cost, a power converter would be the least of their worries. >> >> > >> > >> > ----- Mike Hammett Intelligent Computing Solutions >> > http://www.ics-il.com >> > >> > ----- Original Message ----- From: "Robert" >> > <nos...@avantwireless.com> To: "paolo difrancesco" >> > <paolo.difrance...@level7.it>, "WISPA General List" >> > <wireless@wispa.org> Sent: Saturday, April 6, 2013 11:18:33 AM >> > Subject: Re: [WISPA] Ubiquiti Rocket Titanium >> > >> > Exactly... UBNT looks more and more like a company trying less and >> > less to stay out in front of the competition but locking in their >> > customers... Very apple-ish... hmmmm Robert was at apple... >> > >> > >> > On 04/06/2013 09:11 AM, Paolo Di Francesco wrote: >> >> Hi Josh >> >> >> >> I did not notice the voltage change, but it looks like more a >> >> business strategy (their switch does 24V and 48V) to lockout other >> >> vendors than a real technical need >> >> >> >> Should I reimplement again a new battery system at 48V for the >> >> site? Hum.... >> >> >> >> Thank you >> >> >> >> >> >>> Ya...better. Different voltage though. >> >>> >> >>> Josh Luthman Office: 937-552-2340 Direct: 937-552-2343 1100 Wayne >> >>> St Suite 1337 Troy, OH 45373 >> >>> >> >>> On Apr 6, 2013 11:04 AM, "Paolo Di Francesco" >> >>> <paolo.difrance...@level7.it >> >>> <mailto:paolo.difrance...@level7.it>> wrote: >> >>> >> >>> Hi all >> >>> >> >>> I was wondering if the Rockets-Titanium are stable, or if >> >>> somebody is using them with success. Not sure if they perform >> >>> better than the "plastic" ubiquiti >> >>> >> >>> Still missing the multiple SSID and IPv6 support, who knows if >> >>> Ubiquiti will implement that sooner or later... >> >>> >> >>> Let me know your feedback and if the extra cost worths the >> >>> improvements :) >> >>> >> >>> Thank you >> >>> >> >>> -- >> >>> >> >>> >> >>> Ing. Paolo Di Francesco >> >>> >> >>> Level7 s.r.l. unipersonale >> >>> >> >>> Sede operativa: Largo Montalto, 5 - 90144 Palermo >> >>> >> >>> C.F. e P.IVA 05940050825 Fax : +39-091-8772072 >> >>> <tel:%2B39-091-8772072> assistenza: (+39) 091-8776432 >> >>> <tel:%28%2B39%29%20091-8776432> web: http://www.level7.it >> >>> >> >>> >> >>> >> >>> _______________________________________________ Wireless mailing >> >>> list Wireless@wispa.org <mailto:Wireless@wispa.org> >> >>> http://lists.wispa.org/mailman/listinfo/wireless >> >>> >> >> >> >> >> > _______________________________________________ Wireless mailing >> > list Wireless@wispa.org >> > http://lists.wispa.org/mailman/listinfo/wireless >> > _______________________________________________ Wireless mailing >> > list Wireless@wispa.org >> > http://lists.wispa.org/mailman/listinfo/wireless >> > >> >> >> -- >> Fred R. Goldstein fred "at" interisle.net >> Interisle Consulting Group >> +1 617 795 2701 >> >> -- >> Fred R. Goldstein fred "at" interisle.net >> Interisle Consulting Group >> +1 617 795 2701 >> _______________________________________________ >> Wireless mailing list >> Wireless@wispa.org >> http://lists.wispa.org/mailman/listinfo/wireless >> > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > > -- -- SCS Clay Stewart CEO, Tye River Farms, Inc., DBA Stewart Computer Services 434.263.6363 O 434.942.6510 C cstew...@stewartcomputerservices.com “We Keep You Up and Running” Wireless Broadband Programming Network Services
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