The article at http://www.alliancedatacom.com/technologies/csu-dsu/csudsu.asp reads
"Such a device is required for both ends of a T-1 or T-3 connection, and the units at
both ends must be from the same manufacturer."
1) Is this true?
2) Does this mean there are various different implementations of the technology?
"D. J. Jones" wrote:
> You may wish to check out www.itprc.com. Look under the 'physical' and 'data
> link' sections..dj
>
> "Talib" <[EMAIL PROTECTED]> wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Is there a website where there are basics and details about ISDN, DSL,
> Cable and T1s?
> >
> >
> > Zhiping Li wrote:
> >
> > > Hi,ciscoer:
> > >
> > > when I study cisco ccnp,
> > > I always find CSU/DSU,
> > > what are them?
> > > what are their use?
> > > Are they some kind of MODEM?
> > > thanks .
> > >
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