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]
