11.19 Integrated Modular Avionics

Question 1

What does IMA Stand for?

Answer 1

Integrated Modular Avionics

Question 2

What does LRU stand for?

Answer 2

Line Replaceable Units

Question 3

Thanks to IMA, what have conventional LRU functions, now become?

Answer 3

Avionics applications

Question 4

What does CPIOM stand for?

Answer 4

Core processing input/output modules

Question 5

What does IOM stand for?

Answer 5

Input/output modules

Question 6

Are CPIOM and IOM interchangeable?

Answer 6

Yes

Question 7

How many systems are LRUs configured to provides service for?

Answer 7

1 or more system

Question 8

What does ADCN stand for?

Answer 8

Avionics data communication network

Question 9

What does AFDX stand for?

Answer 9

Avionics full dupleX

Question 10

How do ADCN and NSS safely communicate?

Answer 10

Through firewalls

Question 11

What doesn’t IOM host?

Answer 11

Avionics applications, AFDX and non AFDX functions

Question 12

Are IOM interchangeable?

Answer 12

Yes

Question 13

What is avionics world role with ADCN?

Answer 13

• Host A/C systems distributed within 6 avionics functional areas
• Used for operational and maintenance and data exchange
• Secured against malicious data coming from an open world

Question 14

What is Open world role within ADCN?

Answer 14

Flight crew, maintenance and commercial applications.

Subscribers - LRMs or LRUs fitted with an AFDX interface, Communicate with eachother.