Well, I think I have enough info now to know it won't work pure sync
on one end and sync/async on the other. I'm told the sync and async
PPP protocols are different ... still leaves me wondering why I never
see the TD light even blink, though.
> Get two async/sync Adtran CSU/DSU's and put them on each end of the 56k.
...
> This should all work. The PM can route out the ASYNCH ports just as well
> as the W port. (kinda makes you wonder why you need a W port at all)
Performance - as has been pointed out here in the past. This is an
interesting option, but it ain't a real 56k. However, for people like
me with some aging but still working PM11s, a stack of soon-to-be-
surplus Sportsters, and some rural countryside to fill with tiny POPs,
these Adtrans look real interesting ...
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