I am assuming that this is refering to a
Point-to-Point T1 Circuit. If so, the telco refers
to
the circuit as unchanelized because they are not
breaking off any channels for you, You are doing
this
yourself with a mux.
Thanks,
Benjamin Pierce
> --- "Steven A. Ridder" wrote:
> > I think a channelized T1 sends 193 bit frames as
> > well. 8 for each channel
> > plus 1 for timing = 193.
> >
> > All T1's are channelized, otherwise it would have
> to
> > be some sort of
> > byte-synch communication, which isn't plausible.
> >
> > I think the tech you spoke to is incorrect as
> well.
> >
> >
> > ""John Neiberger"" wrote in message
> > [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > > Just when I thought I understood the T1 world
> > pretty well we've run into
> > > a situation that is thoroughly confusing me.
> > >
> > > I was under the impression that channelized T1
> > services used 24
> > > timeslots. I call that 'channelized' because it
> > has 24 distinct
> > > 'channels'. It's my understanding that
> > unchannelized T1 doesn't use the
> > > 24 timeslots and instead sends one giant 192-bit
> > frame.
> > >
> > > At one of our locations we are muxing voice and
> > data traffic onto a
> > > single T1. At each end we split off certain
> > channels to a router and
> > > other channels over to the PBX. To do this,
> > wouldn't the T1 *have* to
> > > be channelized, since we're separating the
> > channels at the CSU/DSU?
> > > According to our provider, that circuit is
> > unchannelized. If a circuit
> > > is truly unchannelized, how would the CSU/DSU be
> > able to accurately
> > > split the T1 into two separate streams based on
> > channel information?
> > >
> > > To be more clear, let's say we have the CSU/DSU
> > configured to split
> > > channels 1-12 to the router and 13-24 to the
> PBX.
> > This splitting
> > > function is based on the assumption that
> channels
> > exist on the incoming
> > > T1. If they don't exist and we have one giant
> > frame instead of 24
> > > smaller frames, how could this possibly be
> > working??
> > >
> > > Yowza...my head hurts.
> > >
> > > John
> [EMAIL PROTECTED]
>
>
> __
> Do You Yahoo!?
> Sign up for SBC Yahoo! Dial - First Month Free
> http://sbc.yahoo.com
>
__
Do You Yahoo!?
Sign up for SBC Yahoo! Dial - First Month Free
http://sbc.yahoo.com
Message Posted at:
http://www.groupstudy.com/form/read.php?f=7&i=47949&t=47949
--
FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html
Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]