Re: Mixing circuit types on PM-3?

Jon Rust (jpr@vcnet.com)
Wed, 16 Jul 97 11:28:32 -0700

I've run 2 PRI's coming from 2 different telcos into the same PM-3. No
problem. Both were configured as NI-2.

jon

On 7/16/97 7:25 AM smorris@midwest.net proclaimed --

>I don't know about using two different Telco's, but we have a box running
>one CT1 and one PRI from Ameritech. By the way Kevin tell Bruce
>Esquibel(sp?) I said thanks since it was Ripco that gave me my first
>Internet account.
>
>On Wed, 16 Jul 1997, Kevin Kadow wrote:
>
>> Does anybody have the real story behind mixing different telco circuits
>> on a dual-T1 PM3?
>>
>>
>> I'm particularly interested in knowning if a PM3 can mix PRI and CT1, served
>> from the same switch, on a single chassis? I'd like to be able to mix
>> 64K ISDN and analog callers on one box, without having to order both
circuits
>> as PRI- the CT1-vs-PRI recurring cost is considerably different!
>>
>>
>> Livingston has said that on the dual-T1 PM3, both circuits need to be
>> served from the same telco central office because problems will occur if
>> the clocks on the two circuits are not in sync. But I have read here that
>> people have successfully used a dual-T1 PM3 with circuits from two distinct
>> telephone _companies_.
>>
>> What's the real story?
>>
>