[28789] in North American Network Operators' Group

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Bell Atlantic DACS failure 280 T3s

daemon@ATHENA.MIT.EDU (Sean Donelan)
Tue May 16 15:02:40 2000

Date: 16 May 2000 11:48:35 -0700
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To: nanog@merit.edu
From: Sean Donelan <sean@donelan.com>
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Bell Atlantic lost another DACS yesterday taking out 280 T3s for 3-1/2 hours
in the northeastern corridor and New York City.

I'm not a transmission person, but what is the problem with DACS?  Why
do these "highly reliable" systems fail in such catastrophic ways?




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