> My understanding from the original email that I responded to was that they
> were able to have a 56k DDS SYNC circuit, connect a 56k SYNC CSU/DSU at
> the customer's end, connect some CSU/DSU at the PM end that would buffer
> the differences between the 56k DDS SYNC circuit and the 56k ASYNC that
> the PM port needs....
>
> Based upon that are the responses I received still valid that an ADTRAN
> 5600 unit will do the trick....?
No. You need an Adtran DSU 5600 *in async mode* on both ends.
-Erik
-- Erik R. Leo, Net Worker SoVerNet Tel: +1(802)463-2111 Vermont's Sovereign Internet Connection Fax: +1(802)463-2110 5 Rockingham Street Email: erikl@sover.net Bellows Falls, Vermont 05101