[asterisk-users] ISDN PRI configuration

[Carlos Alvarez]

A T1 cable according to this spec:

http://www.cisco.com/en/US/products/hw/routers/ps214/products_tech_note09186a00801f5d89.shtml

Crossing the 1/2 to 4/5 if needed.


On Thu, Dec 8, 2011 at 9:37 AM, Olivier <oza_4h07 at yahoo.fr> wrote:

> 2011/12/8, Carlos Alvarez <carlos at televolve.com>:
> > I am not Kevin, but I'll tell you that I will not EVER use an Ethernet
> > cable for T1 again.  Kevin and I have discussed this at length, and the
> > "should work" plays out poorly in the real world, or at least mine.  I've
> > had it be fine, and had major problems.  I can't even find a pattern to
> it,
> > like length of cable.
> >
> > In a colo cabinet that was direct-connected to a carrier, it worked great
> > for years and then one day...no T1.  Just gone.  Go down there and put
> in a
> > real T1 cable, came right up, still up years later.
> >
> > I usually make my own,
>
> which type of cable are you then using ?
>
>
> > since they are so expensive to buy.  I just connect
> > the four needed pins, pretty easy to do if you're not trying to stuff all
> > eight wires into the connector.
> >
> >
> >
> > On Thu, Dec 8, 2011 at 5:57 AM, Tony Mountifield <tony at softins.co.uk>
> wrote:
> >
> >> In article <4EE0B0E2.3050709 at digium.com>,
> >> Kevin P. Fleming <kpfleming at digium.com> wrote:
> >> >
> >> > As I said before... an Ethernet cable will work nearly all the time,
> and
> >> > at a 5m length it's probably fine.
> >>
> >> Kevin, under what circumstances would an Ethernet cable potentially not
> >> work with T1/E1? And in those circumstances, what should be used
> instead?
> >> I'm wondering because I had never realised it was an issue until you
> said.
> >>
> >> Cheers
> >> Tony
> >> --
> >> Tony Mountifield
> >> Work: tony at softins.co.uk - http://www.softins.co.uk
> >> Play: tony at mountifield.org - http://tony.mountifield.org
> >>
> >> --
> >> _____________________________________________________________________
> >> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> >> New to Asterisk? Join us for a live introductory webinar every Thurs:
> >>               http://www.asterisk.org/hello
> >>
> >> asterisk-users mailing list
> >> To UNSUBSCRIBE or update options visit:
> >>   http://lists.digium.com/mailman/listinfo/asterisk-users
> >>
> >
> >
> >
> > --
> > Carlos Alvarez
> > TelEvolve
> > 602-889-3003
> >
>
> --
> _____________________________________________________________________
> -- Bandwidth and Colocation Provided by http://www.api-digital.com --
> New to Asterisk? Join us for a live introductory webinar every Thurs:
>               http://www.asterisk.org/hello
>
> asterisk-users mailing list
> To UNSUBSCRIBE or update options visit:
>   http://lists.digium.com/mailman/listinfo/asterisk-users
>



-- 
Carlos Alvarez
TelEvolve
602-889-3003
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.digium.com/pipermail/asterisk-users/attachments/20111208/63887f7d/attachment.htm>