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
_______________________________________________
Wireless mailing list
Wireless@wispa.org
http://lists.wispa.org/mailman/listinfo/wireless

Reply via email to