Cabin Systems Flashcards
What are the main components of the CIDS?
Director, DEU A and DEU B, FAP or Mini FAP
What is the interface between the active director and the passenger related functions?
Through DEU A
What is the interface between the active director and the crew related functions?
Through DEU B
What are some main components of the FAP?
- A touch screen
- A hardkey panel
- CIDS key for CIDS applications
- A MENU key for external applications
How is the logbook accessed?
Through the FAP, selection of the menu key will take you to external applications
In CIDS indicating functions, what does the smoke detector function (SDF) monitor?
It receives information directly from the fire protection system to monitor the smoke detectors in the cargo and avionics compartments, also receives information through DEUs B to display the status of the cabin smoke detectors
What are the indicating functions accomplished via the ADCN?
- Galley Cooling
- Electrical Load Mgmnt
- IFE and Seat Power
- Doors/Slides
Where is the power for the CIDS controlled?
from the CIDS via a IFE power page on the FAP
From where is the general lighting controlled?
The CIDS controls the general lighting through the FAPs optional Mini FAPs and AAPs.
How does the CIDS communicate with the air conditioning system?
The CIDS interfaces with the air conditioning system via the ADCN to remotely control the cabin temp in a given range
What does the VSCF enable?
It allows control of the water/waste system using the FAPs.
From the FAPS with VSCF allowing you to control the water/waste system, what exactly can you control?
- Water Depressurization
- The auto flush
- The shut down of the water system
- Pre selection of water quantity
Where would a PISA be connected?
Above the head of a passenger connected to DEU A.
What does the Layout Section of the CIDS enable?
Gives you a choice of 3 pre-defined and 3 modifiable cabin layouts
When is the Layout Selection available?
On the ground only and is protected by an access code.
When is the Cabin Programming function available?
It is always available but can be protected by an access code.
What 3 settings does Cabin Programming function allow you to change?
- Cabin Zones
- No Smoking Zones
- Non Smoker Aircraft
When is the software loading function available?
This is available on the ground only
From where can the loudspeaker level adjustment be performed?
From a dedicated FAP menu page, this is protected by an access code and can be performed anytime
How is a call initiated from the cabin?
From the Cabin handset (there are a maximum of 42 functions)
How are interphone communications achieved from the cockpit?
- Cockpit Handset
- Cockpit Call Panel
- Cockpit Acoustic Devices
What selections must be made in the flight deck before making a call?
Pilot must select the CABin transmission key and reception knob on the RMP.
A function with a higher priority selected on a source with a lower priority, is it capable to interrupt the existing link?
Yes
What are the visual and aural indications in the cabin in case of an internal call between cabin stations?
Chimes, ACP light and message on AIP.
In the case of an emergency call from the purser station is there any ECAM indication?
Yes the ECAM doors page is automatically displayed.
What are the communications functions of the CIDS?
- Passenger Address
- Cabin Interphone
- Service Interphone
How are PA announcements made from the cockpit?
Using a handset or acoustic device and selecting PA on the RMP
How is the PA transmitted to the passenger headsets?
Through the IFE system
When is service interphone available?
- When Air/Ground signals are compressed
- Of LG is not compressed by external power is used
How is the service interphone selected in the flight deck?
Via the RMP or the headset or the service interphone pushbutton switch can be used to manually turn the service interphone on.
What are the main three parts that the IFE is composed of?
IFE Centre, IFE Control Panel and a Cabin Network
What is the IFEC composed of?
- Computers
- VIdeo/Audio Sources
- Files Servers
- Third Part Equipment
- Telephone Functions
What does the cabin network enable?
Communication between the IFEC and RCC and Seat Equipt and Screens
What is the overhead network composed of?
Tapping Units
How does a Tapping Unit work?
They receive Ethernet signals and decode into video format for distribution to overhead monitors. Each TU can control up to 3 monitors.
What is the cabin distribution network composed of?
Area Distribution Boxes
What is the seat network composed of?
Floor Disconnect Boxes and Seat Electronic Boxes
How is the Remote Control Centre connected to the Cabin Distribution Network?
The RCC interfaces with any ADBs of the cabin network
What does a CWS (Cabin Work Station) contain?
The FAP is installed into the CWS and this is a centre location for cabin crew operation
What does the IFE handset in the Cabin Work Station enable?
It allows air-to-ground phone calls through the IFE system
In the Cabin Work Station, what is the function of the in seat power converter?
It converts 115 Vac / 400 Hz aircraft power into 110 Vac 50/60 Hz power to supply the AC outlet
In the Cabin Work station what is the function of the system setup box?
It connects engineering equipment to the IFE Ethernet for advanced maintenance operations
How is it possible to offload the BITE?
Through the On Board Media Loader in the Cabin Work Station
What is the function of the media encoder?
Encode video and their audio outputs from DVD, Outputting them as Ethernet media streams
Where is the IFEC (In Flight Entertainment Centre) installed?
In the upper avionics bay, it contains the majority of the IFE systems head-end electronics
What in the passenger entertainment network controls and monitors the whole system?
The In Flight Entertainment Centre
Where are ADBs installed?
In the ceiling of the main deck in a single line (Maximum of 12 can be installed)
What does an ADB supply data too?
SEBs
What is the function of an ADB?
Used as a network switch, routing network messages between the SEB, seats laptops and other system controllers.
How does an ADB communicate with other equipment other than SEBs?
Through fibre optic and Ethernet buses.
Where would you find FDBs (Floor disconnect Boxes)?
Installed under floor panels of their respective cabins
What is the function of FDBs (Floor disconnect Boxes)?
To supply audio and video, data, telephone and service data from the ADBs to the SEBs.
How many SEBs can a FDB control?
Up to 20
How many SDUs (Seat Display Units) can a SEB control?
Up to 4
How are on demand services supplied to SDUs (Seat Display Units)?
On demand services delivered via Ethernet are routed through the SEBs and decoded in the SDU
Where are the passenger service system functions integrated?
In the Handset Passenger Control Unit
How many outlets can the In Seat Power Converter supply?
Up to 3 outlets
What is the function of a Tapping Unit?
They receive Ethernet signals and decode into a video format for video distribution
How many overhead monitors can each TU control?
Up to 3 overhead monitors
Where does the TU get its input signal?
From the ADBs
Explain an audio/video demand flow?
A passenger will request audio/video files from the Seat Display Units and these are sent to the IFEC through the cabin network. The IFEC then sends the file back to the passenger equipment via SEBs ADBs and FDBs
What are the signal sources for broadcast video/audio (cabin crew request on the control panel)?
DVD from the CWS or video and audio files from the IFEC
When a PA is carried out, what unit decoded the audio for passenger headsets and CIDs loudspeakers?
Seat Display Unit
What does the passenger service system (PSS) enable?
Reading Light and Attendant Call to the passengers.
How is the reading light and attendant call light controlled from a PCU?
Controlled via the cabin network, the IFEC and the CIDs
What kind of bus is used for email/internet for the passengers?
Ethernet bus with NSS - CRU (also used for the optional live tv)
What Kind of bus is used for the AC data?
Ethernet bus with NSS - Diode? (airspeed, aircraft position, loss of IFEC ventilation)
What kind of cables are used to connect ADBs to seat and overhead equipment?
Optical Fibre Cables
How can the IFE system go into stand by mode?
The IFE system induces a standby mode that is activated from the IFE control Panel by the cabin crew
What does IFE standby mode enable?
Switches off all entertainment functions except PA Override and PSS functions and retracts all overhead video monitors
What situation would cause the IFE system to go into automatic standby mode?
Cabin decompression
Where would you find the data loader plug installed?
IN the CWS
What is the data loader plug used for?
To connect a portable media loader for media content upload and download.
What does PVIS stand for?
Passenger Visual Information System
What does the PVIS system deliver to the passengers?
Continuously updates flight and destination information to the passengers via DUs
What are the Main Units on the PVIS?
The DIU (digital interface unit) and the RCU (Remote control unit)
What aircraft systems is PVIS connected to?
ADIRS 2, FMGC , CFDS (for maint purposes) ATIMS/ACARS (so live data can be uploaded and transferred to the screens)
What does the cabin management system in PVIS enable?
Connected to the DIU and controls and monitors the PVIS by means of a laptop computer
With respect to PVIS, what does ATSU enable?
It allows connecting gate, arrival information, messages and other data to be up-linked from ground stations
