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From: unet!billp.unet.pacbell.COM!billp@ames.arc.nasa.gov (Bill W. Putney)
Newsgroups: comp.dcom.telecom
Subject: AT&T PDS wiring... help!
Message-ID: <telecom-v08i0137m01@vector.UUCP>
Date: 30 Aug 88 17:56:19 GMT
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Reply-To: billp@unet.PacBell.COM ()
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Approved: telecom-request@vector.uucp (USENET Telecom Moderator)
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I'm wiring a new campus for telephone/data.  I understand that there is
a new (proposed?) standard for modular connector (RJ-45 - 8 pin) wiring
that is being used by the operating companies.  The new standard applies to
intra-building wiring and provides 4 twisted pairs to each jack from an
IDF.  The idea is that ISDN is comming and this new wiring plan will
facilitate that implimentation.  It is also specified for the physical
layer connections in 10baseT (or so I've heard).

I think BellCore and AT&T calls this the Premise Distribution System (PDS).
I got the idea when I started that "everyone" knew all about this and
that I could just tell the contractor to "wire it to PDS spec." and
like magic it would get wired right.  As it turns out nobody knows
what I'm talking about.  Nobody knows what pairs go on what pins in
the connector, this is the real problem.

I have about 1000 locations to be wired and need some accurate information
(in a hurry!).  Please keep it simple like;

                  tip pair 1  -  pin 5
                 ring pair 1  -  pin 4
                 ...

Thanks in advance.