Martin,
The argument for 2 D channels, 1 per PRI, that I've always heard is that
if for some reason one of the PRI's goes down you'll still at least have
one PRI operational. If you only have one D channel, and the PRI that
it is provided on is the one that fails, you've effectively lost both PRI's.
Regards,
Doug.
On 20/09/2011 11:35 AM, Martin Glazer wrote:
Hi,
We are having a second PRI installed at a client and the option of NFAS
came up. Is there any advantage to using NFAS with just 2 PRI's?
The way I see it with dual PRI's, you have a primary D channel (24) and
a backup D channel (48), so one is still losing a voice channel.
Is there any disadvantage to keeping 2 primary D channels?
Thoughts?
Thanks
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