• Not familiar with the particular card (T1, not E1 in the US), but what does a show controllers or a show service-module look like for your PMs?  My guess is that you'll see lots of slips.  How do you have your clock source set?  IIRC, on small timed circuits, like an E1, 7200 PAs default to clock-source-internal.  Try changing things so one side is external timing.

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