[36061] in North American Network Operators' Group

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Re: Clear Channel on a T1

daemon@ATHENA.MIT.EDU (Christopher A. Woodfield)
Fri Mar 23 13:54:06 2001

From: "Christopher A. Woodfield" <rekoil@electro.semihuman.com>
Date: Fri, 23 Mar 2001 13:45:15 -0500
To: Ron Buchalski <rbuchals@hotmail.com>
Cc: vandry@TZoNE.ORG, nanog@merit.edu
Message-ID: <20010323134515.B2064@semihuman.com>
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In-Reply-To: <F73Z1i6bdVJWrGW6Ex30000998f@hotmail.com>; from rbuchals@hotmail.com on Fri, Mar 23, 2001 at 05:51:43PM +0000
Errors-To: owner-nanog-outgoing@merit.edu


<Bell Atlantic Tech> "If it's a T1, then it's B8ZS"
<Me> "Then why can't I send all zeroes, but every other pattern works?"
<Bell> "Hmm... lemme check...(pause)...try now"
<Me> "Ok, it's working. Did you find an AMI segment?"
<Bell> "I didn't change anything."

Ticket closed, "No problem found".

-C

> It's also the source of grief when a telco provisions one segment of a T1 
> circuit without B8ZS.  When this non-B8ZS segment sees too many zeros, ones 
> will be injected in the stream, corrupting the data.
> 
> Of course, this NEVER happens anymore...right?  ;-)
> 
> -rb

---------------------------
Christopher A. Woodfield		rekoil@semihuman.com

PGP Public Key: http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xB887618B


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