AIC-41 ICS Flashcards
How long does the FDCI self test last?
Approximately 1 minute
What do the FDCI bypass switches actually bypass?
FDCI
Data switch
Digital bus
DAI
How many loudspeakers are there?
10
How long does the system test last?
Approximately 2-5 minutes.
What channel and on which DAI is ICS all located?
DAI 1
Channel 3
What is the function of the DBI?
Controls all selectable peripheral input to the ICS and ICS output to peripherals.
Function of the DAIs.
- provide an interface between incoming radio signals and the 1553 data bus
- analog to digital and digital to analog conversion
What are the fault indications on the DAIs and DBI?
Steady light= hardware fault
Flashing light= software fault (may not affect operation)
Which component acts as the bus master and is the heart of the ICS?
DBI
What occurs when the system is powered on?
- self test
- software resident in DBI is downloaded into DAIs, FDCIs, and DCIs. This download configures FDCIs and DCIs to enable radios associated with them. Also sets gain level for DAIs
Function of the Data Switch.
switches secure data to/from encryption/decryption devices
How many DCIs can be installed in the flight station?
1
What capabilities are lost if a DCI is installed in place of an FDCI?
- backlighting
- single switch PA/override capability
- if installed on the pilot side, record capability.
What is the bus address of the Data Switch
DS01