[36033] in North American Network Operators' Group
Re: Clear Channel on a T1
daemon@ATHENA.MIT.EDU (Terrence Chatfield)
Thu Mar 22 13:36:59 2001
Message-ID: <3ABA4568.ACD4B47B@GemNets.Com>
Date: Thu, 22 Mar 2001 13:33:13 -0500
From: "Terrence Chatfield" <chat@gemnets.com>
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Clear channel allows the use of the full 64Kbps per time-slot, or
1.536Mbps aggregate data for the entire T-1; through the use of B8ZS line
coding. A Non-clear channel T-1 only allows use of 56Kbps per time-slot, or
1.344Mbps aggregate data; when using AMI/ZCS line coding.
CARL.P.HIRSCH@sargentlundy.com wrote:
> Can anybody give me some info on what exactly "Clear Channel" means in
> relation to a DS1 circut?
>
> My gut tells me that it's only relevant with voice Ts...
>
> thanks,
> -carl hirsch
> network analyst
> sargent & lundy llc
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