11.19 Integrated Modular Avionics Q's

Question 1

How many buses/redundant channels form this primary communications path of the ASCB EMBRAER avionics system?

Answer 1

4

Question 2

How are the individual buses/redundant channels identified of the ASCB EMBRAER?

Answer 2

1.Left Primary
2. Right Primary
3. Left Back up
4. Right Back up

Question 3

Indentify the characteristics of the ASCB EMBRAER

Answer 3

1. 10 MB/s
2. Serial Data
3. Single shielded twisted pair

Question 4

Which of the busses would be connected to the LEFT PFD (EMBRAER)

Answer 4

1. LH Primary
2. RH Primary
3. LH Backup

Question 5

Which device controls the transmission timing of data on ASCB?

Answer 5

Network interface controller (NIC)

Question 6

What name is given to the device which isolates onside primary, onside backup, and cross side primary buses which are fed to NIC’s?

Answer 6

Coupler - Achieved by Transformer Coupler

Question 7

What is connected to the end points of ASCB to absord signals and stop reflection?

Answer 7

Terminators/ Resistors

Question 8

Which secondary EMBRAER bus is physically and electrically separate from the ASCB and provides data path for development, maintenance and software loading?

Answer 8

Local Area Network

Question 9

What three units does the LAN bus provide additional communications?

Answer 9

1. Display units
2. MAU
3. Peripheral items.

Question 10

Identify the physical characteristics of the LAN for the EMBRAER

Answer 10

Thin Coax - Transfer control/internet protocol

Question 11

What name is given to Line replaceable Modules within the Module avionics Unit, which collects the necessary data from avionic and flight control systems, processes it, then sends position data to servos through a bi-directional CAN data bus?

Answer 11

Actuator input/output processors (AIOP)

Question 12

Identify physical characteristics of CAN bus

Answer 12

500 kHz - Serial Bi Directional (Half Duplex) - Twisted shielded pair with terminators

Question 13

What 3 major components form the A380 IMA?

Answer 13

1. Core processing input/output modules (CPIOMS)
2. Input/Output Modules (IOMS)
3. Avionics data communication network (ADCN)

Question 14

Which of the A380 system components integrates shared memory and computing resource to execute independently hosted avionics applications?

Answer 14

CPIOM

Question 15

Which of the A380 components does NOT host avionics applications and converts non-AFDX data coming from conventional LRU’s?

Answer 15

IOM

Question 16

Which devices are classified as ADNC subscribers?

Answer 16

CPIOMS and IOMS

Question 17

How many different types of CPIOMS are used by the A380 /IMA

Answer 17

7

Question 18

The ADCN used on the A380 is known by whihc acronym?

Answer 18

AFDX

Question 19

What two components form the ADCN used on the A380 to transfer data between SUBSCRIBERS?

Answer 19

AFDX Switches, AFDX Cable (QUAD)

Question 20

How is full duplex communication accomplished on ADCN A380 bus?

Answer 20

QUAD - 4 wire uniformly twisted, 1 pair for transmission, 1 pair for reception.

Question 21

Which of the ADCN subscribers are directly interchangeable

Answer 21

All IOMS

Question 22

What is the difference between EMB170/190 and A380 IMA’s?

Answer 22

Embraer - IMA is a metal cabinet solidly grounded to the aircraft frame, cabinets called MAU’s containing different LRM’s (line replaceable modules)

A380 - Independent LRMS, some LRMS merge 3-4 systems