It all depends, of course. I always request to have the demarc extended for
my router installs. If there are problems with layer 1, I swap my patch
cable and CSU/DSU or WIC, and if it persists (or I should say when it
persists), I tell the customer it's a telco problem and call the telco on
the way to my car.
As discussed before, the demarc is the point of where responsibility goes
from one to the other, but it's usually associated with the PSTN or Public
Telephone Company. The problem with extending wiring beyond the demarc is
that if there is any doubt or question, the telco will try and blame it on
your wiring. If the wiring, jack, etc., is all before the demarc, they have
to fix it (even if it was originally the customer's wiring).
>From the way I understand it, demarcation goes back to deregulation. I'm
curious if the same term is used outside the US? Basically, before
deregulation the telco did everything, including the inside telco wiring and
even the phones. With deregulation, they started demarcation to establish
the point to which the telco was responsible and where the customer was.
--
Jason Roysdon, CCNP+Security/CCDP, MCSE, CNA, Network+, A+
List email: [EMAIL PROTECTED]
Homepage: http://jason.artoo.net/
""Sam"" wrote in message
[EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> This demarc for a data line is usually a closet or server room and not the
> MPOE (minimum point of entry). Usually the telcos call the MPOE the
demarc
> for voice lines.
>
> ""Subba Rao"" wrote in message
> [EMAIL PROTECTED]">news:[EMAIL PROTECTED]...
> > Hi,
> >
> > I am still new to Cisco networking. While touring a network facility,
one
> of
> > the network engineer's showed a telecom closet and said it is the
"demarc
> > zone".
> > I heard DMZ a lot (but I could swear I heard "demarc zone too).
> >
> > What is "demarc zone" in networking?
> >
> > Thank you in advance.
> > --
> >
> > Subba Rao
> > [EMAIL PROTECTED]
> > http://members.home.net/subba9/
> >
> > GPG public key ID 27FC9217
> > FAQ, list archives, and subscription info:
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