Ascend Archive
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Re: (ASCEND) TNT 672 modems, DS3 Channelized
I agree multi-shelf makes sense from the specs. A real world example is
hard to come by. Sure would be nice to mux all those PRI's into a DS3 from
a circuit management viewpoint.
On Fri, 19 Dec 1997, Jason Nealis wrote:
>
> I believe UUNET (tm) :) deploys TNT's in multi-shelf environments, I
> haven't heard too much on how it's been working, Ya know how quite they
> are over there :) But on the other hand, I'm looking to also use
> multi-shelf here in the near future, Current deployment of TNT's here
> in our enviroment consist of
>
> { shelf-1 slot-1 0 } UP 8t1-card
> { shelf-1 slot-2 0 } UP 48modem-56k-card
> { shelf-1 slot-3 } OCCUPIED
> { shelf-1 slot-4 0 } UP 48modem-56k-card
> { shelf-1 slot-5 } OCCUPIED
> { shelf-1 slot-6 0 } UP 48modem-56k-card
> { shelf-1 slot-7 } OCCUPIED
> { shelf-1 slot-8 0 } UP 8t1-card
> { shelf-1 slot-9 0 } UP 48modem-56k-card
> { shelf-1 slot-10 } OCCUPIED
> { shelf-1 slot-11 0 } UP 48modem-56k-card
> { shelf-1 slot-12 } OCCUPIED
> { shelf-1 slot-13 0 } UP 48modem-56k-card
> { shelf-1 slot-14 } OCCUPIED
> { shelf-1 slot-15 0 } UP 4ether-card
> { shelf-1 slot-16 0 } UP 192hdlc-card
>
>
> put a giving each TNT a hdlc card is a waste as we only terminate maybe
> 5-10 digital calls on each TNT. plus we can only terminate 12 PRI's of
> traffic thus leaving 4 open T1 ports (this really adds up as we add
> TNT's). So if I look at going multishelf, I should be able to better
> utilize the Box and lower the price per port at the same time.
>
> Jason Nealis
> Director Internet Operations
> Network Access
> Erols Internet
>
>
> On Thu, 18 Dec 1997, Stephen Balbach wrote:
>
> >
> > Agreed but we continue to grow and want to fill a DS3 - is it the right
> > path to take? Who's actually doing it succesfully?
> >
> > On Thu, 18 Dec 1997, Jason Nealis wrote:
> >
> > >
> > > Actuall, With your setup a Single TNT would take care of ya. To obtain
> > > the 672 you need to link toghether 3 full TNT's. But if all you have is
> > > 12 PRI's then you can terminate all those in one box, (And that way
> > > you don't even need to stack to be able to offer 2 B's.)
> > >
> > > Jason Nealis
> > > Erols Internet
> > >
> > >
> > > On Thu, 18 Dec 1997, Stephen Balbach wrote:
> > >
> > > >
> > > > Believe, Or Not
> > > >
> > > > Should I be looking into it? Currently have 12 PRI's on 4000's and
> > > > stacking multi-B's aint always working.
> > > >
> > > > Stb
> > > >
> > > > ++ Ascend Users Mailing List ++
> > > > To unsubscribe: send unsubscribe to ascend-users-request@bungi.com
> > > > To get FAQ'd: <http://www.nealis.net/ascend/faq>
> > > >
> > >
> >
>
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