29 Questions
What is the primary function of the Backplane Interface Controller (BIC) in the MAU?
To act as a buffer between the NIC and client modules
What type of memory is used in the Bus Interface Controller (BIC) frame buffer?
Random Access Memory (RAM)
What is the purpose of the Aircraft Personality Modules (APMs) in the NIC modules?
To store system identification data and settings
What is the primary purpose of the software firewalls in the MAUs?
To protect against malicious data from other applications
What data bus is used for data processing and MAU operations?
ASCB, LAN, and CAN
What is connected to the backplane bus through the BIC frame buffer?
Both the NIC and client modules
What is the primary description of Integrated Modular Avionics (IMA)?
A distributed real-time computer network aboard an aircraft
What is one of the benefits of the IMA concept in terms of weight reduction?
Shaving 2000 pounds off the avionics suite
What is a consequence of using fewer computers in the IMA concept?
Reducing maintenance costs and increasing reliability
What is one of the advantages of the IMA concept for flight crew and maintenance personnel?
Reducing workload for flight crew and maintenance personnel
What is one of the benefits of IMA in terms of functional capabilities?
Enabling multiple functions to be achieved with a single LRU
What is the primary function of the Core Processing Input/Output Module in the A380 IMA system?
To integrate shared memory and computing resources for executing avionics applications
What is the technology used for communication between LRMs in the A380 IMA system?
Avionics Full DupleX (AFDX) switched ethernet
How many types of CPIOMs are used in the A380 IMA system?
7
What type of data is processed by the CPIOM when applications dialogue directly with conventional LRUs?
Non-AFDX data
What is the primary function of the Avionics Data Communication Network (ADCN) in the A380 IMA system?
To enable dialogue between LRMs through AFDX
What system is associated with the CPIOM type X4?
Pneumatic system
What is the primary function of the Propulsion/APU system?
To control and indicate the engine and APU fire detection and extinguishing
What is the main difference between the IMA systems on the Embraer 170/190 and the A380?
The Embraer 170/190 uses independent LRMs, while the A380 uses shared IMA modules
What is the purpose of the Input/Output Modules (IOMs) on the A380?
To accommodate and link with conventional avionics
What is the term used to describe the metal cabinet on the Embraer 170/190 that contains different line replaceable modules?
Modular Avionics Unit (MAU)
What is the primary function of the Core Processing Input/Output Modules (CPIOMs) on the A380?
To host different avionics applications
What is the term used to describe the individual components that can be replaced on the Embraer 170/190 and A380?
Line Replaceable Module (LRM)
What is the primary function of the Avionics Standard-Communication Bus (ASCB)?
To provide a primary communications path between major subsystems
What is the transmission speed of the ASCB?
10 Mb/s
What is the purpose of the resistor terminations in the ASCB?
To reduce signal reflections
What is the duration of each data frame in the ASCB?
12.5 milliseconds
What is the purpose of the transformer coupler in the bus coupler?
To isolate the buses and impedance-match the ASCB and NIC
How many data buses are used in the ASCB for redundancy?
4
Learn about Integrated Modular Avionics (IMA), a distributed real-time computer network used in aircraft, and its benefits such as weight reduction and part number reduction.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
