Module to Module Communication - This alarm indicates the status of the communication between modules. Status messages "OK" or "Bad" are returned.
Output Controller Mastership - This alarm identifies the status of the master reference clock. Status messages "OK" or "Bad" are returned.
Status of Power A - This alarm indicates the status of the A-BUS power input. Status messages "OK" or "Lost" are returned.
Status of Power B - This alarm indicates the status of the B-BUS power input. Status messages "OK" or "Lost" are returned.
SPI Watchdog - This alarm indicates the status of the serial peripheral interface hardware (SPI watchdog timeout) for the communications module. Status messages "OK" or " Timeout" are returned.