11.20 Cabin Systems Flashcards
What does CIDS stand for?
Cabin inter-communication data system
What are the controlling devices known as?
Directors
How many directors are there and when are they active?
3:
-1 is active, the other 2 are in hot standby
What can you do at a flight attendant panel?
Allows control and monitoring of the cabin and passenger system functions
What does DEU stand for? how many are they and what are they called?
- decoder/encoder unit
- 2
- DEU A and B
What does DEU A concern?
Passenger related functions
Cabin lighting, passenger service units, passenger individual lights, signs, calls and speakers
What does DEU B concern?
Cabin crew related functions
Area call panels, attendant indication panels, handset used for inter phone
What powers DEU A and B?
28v DC
What communication functions does CIDS have? (3)
- passenger address
- cabin interphone
- service interphone
Who has priority when using the passenger address system?
Flight deck
What is the order for the priority of the PA system?
- flight deck
- cabin
- pre-recorded messages
- in flight entertainment
What does the cabin interphone system allow?
Communication between different cabin positions and between cabin and flight deck
What selections does the flight deck have relating to cabin interphone? (3)
- emergency call
- all call
- PURS (purser)
What does the service interphone enable communication between? (3)
- Different service jacks
- flight deck to service jacks
- service jacks to cabin positions
What 4 locations may you find a service jack?
- avionics bay
- cargo bay
- APU bay
- engines
What 5 different indication systems is carried out by the CIDS?
- smoke detection
- emergency lighting
- ice protection
- electrical load management
- doors and slides
What does the CIDS system control?(6)
- cabin and passenger lighting
- emergency evacuation
- signs
- pax call
- in flight entertainment
- air conditioning
What is used to control and monitor the system and to activate other cabin configurations?
Cabin management terminal
What two kinds of monitors are there? [2]
- CRT’s
- LCD’s
When will the monitors automatically retract? (3)
- an electrical power failure for more than 200ms
- rapid cabin decompression
- a mechanical resistance while the monitor is moving downwards
What is required to enable passengers to send and receive internet data, faxes, emails and make phone calls?
SATCOM
When are leaky line antennae usually used?
In confined spaces where standard antennae would find difficult operating
What does the satellite data unit have full duplex connectivity with? (2)
- Avionics communications router (ACR)
- high speed data unit (HSDU)
In cabin video monitoring system, what do area distribution units do?
Convert the camera analog video signal into a digital signal