Nope. You can mix and match vendors. Some manufacturers have features that
only work between their boxes. If another manufacturers box is connected
they just don't implement the special features.
> -----Original Message-----
> From: Talib [mailto:[EMAIL PROTECTED]]
> Sent: Friday, December 22, 2000 10:46 AM
> To: [EMAIL PROTECTED]
> Subject: Re: what is a CSU/DSU?
>
>
> 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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