Re: IP cameras on ring topology, not star

["Bob La Londe" <usenet@xxxxxxxxxxxxxxxxx>]

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


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