One problem to consider is that if you lose the signalling on the first
PRI then both are effectively down. The second D channel would allow for
some inherent redundancy.
From: Info Desk <firstname.lastname@example.org>
To: email@example.com <firstname.lastname@example.org>
Cc: email@example.com <firstname.lastname@example.org>
Date: Monday, June 21, 1999 9:12 PM
Subject: [NTISP] USR Hiper DSP
>If you have two PRI circuits can you have one at 24 channels and the
>other 23b's and 1d mark? Or do you have to have each line at 23b's and
>1d mark. I am running them on the USR Hiper DSP cards.