Ascend Archive
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Re: (ASCEND) shared D-Channels on PRI
> Regards use of D-channel backup with NFAS:
>
> I saw a couple of postings indicating that loss of the D-channel with NFAS
> would bring down all the PRIs in that "group" (pardon possible lack of
> correct terminology there)
>
> We have 4 PRIs in our NFAS "group" on each of our MAX 4000s
>
> 24th channel on PRI1 is set to NFAS-PRIME
> 24th channel on PRI4 is set to NFAS-SECOND
>
> This leaves us 94 (24 * 4 - 2)channels for calls. If PRI1 (or its
> D-channel) is lost, signalling switches to 24th channel on PRI4.
>
> Works as intended.
Yes, but all the calls drop anyway, despite the fact that they are
immediately capable of redialing, don't they? At least that's what
happens to us.
-Phil
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