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Re: IP cameras on ring topology, not star



I dunno... from this guy's idea of token-ring, I'd expect him to start
stuffing the cameras with bran flakes on this suggestion...


Bob La Londe wrote:
> I agree with John.  Use fiber.
>
>
> "J. Sloud" <jsloud@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:cqr252dkeivulnma7mcqbb1uo145uvq2fs@xxxxxxxxxx
>
>>On Thu, 27 Apr 2006 09:13:15 -0400, Pat Coghlan <info@xxxxxxxxxx>
>>wrote:
>>
>>
>>>I'm looking for information on equipment that can/should be used to
>>>install IP video cameras on poles around a perimeter (1-2 km, or more).
>>>
>>>Token-ring routers typically require all drops to be plugged into a
>>>panel (operates in token ring fashion, but physically is a star), which
>>>is not practical with 100 cameras running around a ring, feeding traffic
>>>back to recorders.
>>>
>>>The equipment needs to be economical (hub on each pole).
>>>
>>>Any suggestions or real-world examples out there?
>>>
>>>Thanks.
>>
>>Without a lot more application detail, it's hard to offer specific
>>advise.  You can use a network of switches where each switch adds a
>>camera to the network and then loops to the next pole thus forming a
>>ring.  This isn't a Token Ring network.
>>
>>The applications we've done that sort of sound like what you've done
>>have used either wireless ethernet (SmartSight for the small systems
>>and Marconi for the larger ones) or we've pulled fiber and used analog
>>cameras.
>>--
>>NewsGuy.Com 30Gb $9.95 Carry Forward and On Demand Bandwidth
>
>
>
> *** Posted via a free Usenet account from http://www.teranews.com ***


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