From: Virnoche, Phil (phil.virnoche@xxxxxxxxx)
Date: Thu Feb 22 2001 - 18:42:48 GMT-3
> Good afterrnoon,......
>
> I had our switch technicians create some 4 wire (S/T) type interfaces off
> of our campus switch to get into our CCIE practice lab. They are
> terminated on a 66 block in another building. I verified them there, and
> wire-wrapped them to a DSX panel that terminates in our lab.
>
> I am using a 1003 router for my test device using a plain Jane config....
> (Isdn switch-type basic-5ess.... no shut on interface..... deb isdn
> q921...... sho isdn stat) just to verify the lines. Here is the problem:
> When I got it to the lab building it wasn't working properly...... Sho
> isdn stat initally showed Layer 1 active..... Layer 2 waiting to
> establish....but after awhile Layer 1 goes to ErrorInd.......
>
> debug shows TX> ...yadda-yadda...... but getting NO response (RX) from
> switch..... VERY sure its not a wiring issue.......
>
> My question is,... and I've tried in vain to find the answer on the
> internet, is "What is the distance limitation on S/T type copper run?"
>
> Thanks in
> advance!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1
>
> Philip G. Virnoche CCNA
> Network Engineer - AT&T Wireless
> phone: 425.580.5239
> cell: 206.601.3134
>
> "HAM AND EGGS - A day's work for a chicken; A lifetime commitment for a
> pig."
>
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