[72726] in North American Network Operators' Group
RE: T1 short-haul vs. long-haul
daemon@ATHENA.MIT.EDU (Michel Py)
Sat Jul 24 17:14:21 2004
Date: Sat, 24 Jul 2004 14:13:42 -0700
From: "Michel Py" <michel@arneill-py.sacramento.ca.us>
To: "Michael Loftis" <mloftis@wgops.com>, <nanog@merit.edu>
Errors-To: owner-nanog-outgoing@merit.edu
>> 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.