T1 short-haul vs. long-haul

Sat Jul 24 21:13:42 UTC 2004

>> Michel Py wrote:
>> I stopped by a T1 MPOE on my way home and took a few photos.

> Michael Loftis wrote:
> hate to say it but what is pictured is not a smart jack,
> it is as you say a glorified patch.

Care to post a photo of what you think a smartjack is?

> a *TRUE* smart jack DOES have the tiny bit of circuitry
> necess'y to cause it to loop the line back when nothing
> is connected to it, some can do it via line signaling as well.

This feature is part of the NIU. What makes the jack smart is that it's
connected to a smart NIU (the older full-height type 400 were not
smart).

Michel.