or the Fanuc 11M Configuration Document for serial port wiring and handshake settings. Fanuc 10M-11M Communications Parameters - Squarespace
These parameters smooth out the movement of the servos to prevent mechanical shock.
Do not wait for the battery alarm. Find your machine’s original parameter booklet or download a community-sourced list today. Punch them out to a PC. Write them down in a notebook. Do all three. The peace of mind knowing you can resurrect a "dead" Fanuc 11M in 20 minutes rather than 20 days is invaluable.
Note: On the 11M, some Diagnostic data is viewed via the DGN screen, but parameters enable the functions.