Re: T1 short-haul vs. long-haul

[Ken Budd <kbudd () 702com net>]

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 () 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
____________________