T1 short-haul vs. long-haul
Ken Budd
kbudd at 702com.net
Wed Jul 21 13:33:40 UTC 2004
This is a pretty good site that will answer most of your questions.
http://www.dcbnet.com/notes/9611t1.html
On 7/21/04 7:25 AM, "Andre Oppermann" <nanog-list at nrg4u.com> wrote:
>
> I'm having a few questions about T1 line support in the US because I have to
> procure
> some Router/Network hardware for US branches of a company (I am from Europe).
>
> Normally in Europe when you order an E1 (G.703) connection the Telco delivers
> a
> NTU (Network termination Unit) which normally is a (S)HDSL modem converting
> from
> two-wire DSL to four-wire E1 electrical. The cable between the NTU and the
> Router
> is normally very short, a few feet/meters.
>
> o How is this normally done in the US by the Telcos for T1 lines?
>
> o I assume the difference between T1 short-haul and long-haul is the cable
> length.
> But what is it used for? Is it still common to have long-haul T1
> connections
> either within buildings or towards the central office of the Telco? Would
> I be
> fine with buying short-haul-only interfaces in any common scenario?
>
> o What is "Wet T1 Capable"? What is it used for and who needs this?
>
> o What else is important in dealings with US Telcos when ordering and using T1
> leased-line services?
>
> Thanks for any input.
--
Ken Budd
Data Systems Engineer
702 Communications
Moorhead, MN 56560
PH: 218.284.5702
FAX: 218.284.5746
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