[Tfug] Cabling between buildings

[Tyler Kilian]

Check out ruggedcom, they make VDSL equipment.

http://www.ruggedcom.com/products/ruggedswitch/rs900l/




On May 28, 2009, at 1:16 AM, Choprboy wrote:

> On Wednesday 27 May 2009 23:50, Bexley Hall wrote:
>>
>> Aside from the bandwidth differences, I'm wondering why he
>> can't use something *like* DSL.  I mean TPC runs cable
>> miles from the CO to the subscriber and you don't see
>> DSL modems getting fried by the dozens each time there's
>> a lightning storm.  What's the difference between the
>> CO side and subscriber end wrt DSL modems?  I.e., can you
>> get two DSL modems to talk to each other like you could
>> with an analog modem (assuming you provided BORSCHT)?
>>
>
>
> You can get two DSL modems back-to-back, but only a handful of  
> modems ever
> supported it, one of the modems has to become the "CO" side  
> providing sync.
> There was a really good article a number of years ago written by  
> someone who
> got a dry line between to offices a couple miles apart and setup  
> back-to-back
> modems to connect them, his experiences/problems, and suggestions for
> equipment.  I think it was back in Ohio... but searching all over I  
> can;t
> find it. I seem to vaguely remember him using Netopia DSL modems,  
> probably
> the reason I picked one up along the line somewhere.
>
> Normally, for DSL, a DSLAM is used on the head end with multiple  
> DSL modems
> out in the field. There was another great article years ago about a  
> goup of
> residences, out in the woods, that could not get broadband. The  
> local lines
> were terrible and barely supported modem speeds. They formed a coop  
> and used
> the various CLEC/ILEC laws to force the local provider to provide a
> cross-connect cabinet in their subdivision. The coop then installed  
> their own
> DSLAM next to the cabinet and a backhaul out to the internet on  
> wireless...
> They essentially started their own ISP. I am pretty sure this is  
> the coop:
> http://www.rric.net/
>
> Either way, you still need grounding on either end. Your in-place  
> phone lines
> should already be grounded at the building entrance (the phone  
> demarc). The
> DSLAM end must also be grounded, typically either a complete  
> rackmount shelf
> as part of the voice/DSL splitter assembly or a series of 66 block  
> mounted
> line surge arresters.
>
>
> Adrian
>
>
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