11.19, .20, .21 Flashcards
What do IMA stand for and what does it replace
Integrated modular avionics
Several LRUS
What positives do IMA’s have
Reduced weight and size
Lower power consumption
Easier mods
Reduced reoccurring costs
What’s the bandwidth allocation gap
A mechanism that is used for controlling the amount of info a LRM or LRU can transmit
What’s the cyclic redundancy check
Checks for errors in data storage or transmission
How many LRM’s ans software functions are hosted in the CPIOMS
30 LRM
22 software functions
For extra reliability what’s the ADFX channels requires to be
Dual
Added info not in notes
So two sources of information so u know accurate results are coming through
What does the CCS do
Platform that allows computing, communication and I/O services
What are advantages of using RDC’s (remote data controllers)
Reduction in wiring
Reduce amount of devices connected to CDN
reduction in spare parts needed in inventory
How many RDC are there in the CCS
21
What are GPM’s designed to be
Fail passive
What’s important to remember about I/O modules
Fully interchangeable
I DIDNT KNOW HOW TO FUCKING WORD IT BUT IT WAS IN BOLD
What’s an advantage of the subsystems in IMA
They’re on a common platform so share resources such as memory and a processor
What does CPIOM B host application do
Air con applications
How’s the close world protected
Via a firewall and a open world diode
The OWD allows what direction of data travel?
From closed world to open world
What are the types of maintenance terminals
Onboards
Portable.
What’s another term for ‘avionics world’
Closed world
What is the network that passengers have access to
Open world
What’s the purpose of a leaky line antenna
Provides Wi-Fi for passengers via a coax
What does the cabin video monitoring system do
Records audio and video for security
What communications does the service inter phone allow and when
Ground crew to flight deck when there’s weight on wheels
When would the overhead monitors retract
Loss of power
Cabin depressurisation
Blockage on the motor track
How are FAPS protected
Password
What’s pa priority list
Flight deck
Cabin crew
Pre recorded messages
IFE
What does DEU B concern
Cabin crew functions
What does DEU A concern
Passenger functions
How many directors are in the cabin Intercommunication data system
3
1 active
2 hot standby
What does the flight attendant panel allow
All crew to control and monitor cabin and passenger functions
