Is there anyway to do a password recovery for a ONS 15454 ML-100 card?

I have a 3400ME 12CS 4SFP Metro switch connected to a 7606 Cisco router via a dot1q trunk port. On the 3400's port facing the 7606 I receive valid but too small of frames (or undersized frames). The 7606 shows RCV-errs because of the Input queue show...

We provide Layer 2 connectivity for p2p and p2mp customers. We use 375012S, and 3400Me for our Aggregation switches and 3650G's for CPE's/edge switches. On the Agg switches we can have several different customers hanging off. My question is: I need a...