This elog is meant to be a summary of some of the many subtleties on the CM board. The latest schematic of the version used at the 40m can be found at D1500308 .
Acromag BIO testing:
During my bench testing of the Acromag chassis, I had not yet figured out mbboDirect and the latch logic, so I did not fully verify the channel mapping (= wiring inside the Acromag box), and whether the sitching behavior was consistent with what we expect. Koji and I verified (using the LED tester breakout board) that all the channels have the expected behavior 👏. Note that this is only a certification at the front-panel DB37 connectors of the Acromag chassis testing of the integrated electronics chain including the CM board is in progress...