RE: (ASCEND) 4048's and PRI's question

["Troy Settle" <st@i-Plus.net>]

> -----Original Message-----
> From: owner-ascend-users@max.bungi.com
> [mailto:owner-ascend-users@max.bungi.com]On Behalf Of Cliff Emberg
> Sent: Wednesday, July 14, 1999 4:32 AM
> To: ascend-users@max.bungi.com
> Subject: (ASCEND) 4048's and PRI's question
>
>
>
>    We are currently running 2 4048's in each of our pop's with
> 3 dss circuits,
> with stacking enabled. Code is 6.1.24. We are going to be upgrading to
> pri's shortly (to accept isdn calls as well as modem), and I
> have a couple
> questions.
>
> 1. I have been told that all three pri's will share a d
> channel. Will that
> work on the second max via stacking? (not my choice on that)

A 4048 only accepts 2 PRI.  You could have 2 PRI sharing a single D
channel as long as both PRI are terminated in the same box.  3 PRI sharing
a D channel will not work at all.

In addition, I would warn against shared D channels in the first place, as
you might see a slight performance increase by staggering the PRI accross
boxes:

Max    PRIs
1      1,4
2      2,5
3      3,6

We do this, and it works well.  Never tested to see if it's actually
effective in combatting shitty performance when the boxes get fulled up
though.

> 2. If I set the SLOT= option to 0 on each channel, and excl routing=no,
> will the max correctly route modem calls to the modems, and isdn calls
> correctly? If I read the manual correctly, it says it will, but
> I need to
> know if it will work in the real world. My manuals are fairly
> out of date.

Not entirely sure what you're asking here.  I tell the max that it's got
an ISDN line coming in, how it's set up (b8zs, esf), the rest default, and
it just works.

> Also, should I look out for anything (gotcha's) in changing
> this setup? The
> maxen have been very stable so far, with no unusual rebooting, etc.
> (knocking on wood)
> I currently don't have the luxury of having an additional
> dedicated box for
> isdn calls, so I need to make this work with as little trouble
> as possible,
> since it will be done with "production" equipment in a live environment.

since you have multipe lines, I would suggest starting with just one of
them, and making sure it works.  Once you've wiggled your way through it,
you have a point of reference for doing the rest.  But, like I said above,
the ISDN config is pretty straight forward.  You shouldn't have to mess
with call routing and shit like that.

Let me know if you need detailed help, we might be able to work something
out (yes, I'd be availiable at odd hours if needed).


Good luck,

--
  Troy Settle
  iPlus Internet Services

It's always a long day... 86400 doesn't fit into a short.


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