Airbus CIDS System: Cabin Intercommunication Data System Quiz and Flashcards

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Questions and Answers

What is the primary function of the emergency crew alerting system?

To monitor the battery capacity of the power supply system

To monitor the performance of the emergency lighting system

To indicate unusual behavior in the cabin or cockpit (correct)

To control the temperature of the potable/wastewater system

What is the purpose of the CIDS interface with the emergency lighting system?

To monitor the system and carry out battery-capacity tests (correct)

To monitor and provide indications of door and escape-slide performance

To control the flexible heater foil in the potable/wastewater system

To monitor and control the ice protection system

What is the primary function of the CIDS in commercial aircraft?

To handle the aircraft's turbine engine

To provide structural support to the aircraft

To manage the aircraft's aerodynamics

To control and display cabin functions for passengers and crew (correct)

What is the role of the sensor in the ice protection and control system?

To control the temperature through the sensor Signup and view all the answers

What is the purpose of the two identical CIDS Directors (DIRs) in the system?

To enable redundant control and interface functionality Signup and view all the answers

What is displayed on the FAP in relation to the CIDS?

The performance and operational requirements of the interfaced system Signup and view all the answers

What is the role of the crosstalk bus in the CIDS system?

To check the results of the two CIDS Directors and enable the active director's output circuits Signup and view all the answers

What is the function of the alert push-button in the emergency crew alerting system?

To initiate the alerting system Signup and view all the answers

What is the function of the Onboard Replacement Module (OBRM) in the CIDS Director?

To replace faulty components in the CIDS Director Signup and view all the answers

What is controlled via keys on the FAP in relation to the CIDS?

The interfaced systems Signup and view all the answers

What is the primary component of the CIDS system that interfaces with the cabin crew?

Forward Attendant Panel (FAP) Signup and view all the answers

How many Decoder/Encoder Units are employed in the CIDS system?

Two Signup and view all the answers

What is required to access loud speaker level adjustment for announcements and chimes?

An access code Signup and view all the answers

What is the function of the Audio Management Unit (AMU)?

To connect acoustic devices to the DIR Signup and view all the answers

What happens when the PA transmission key is pressed and held?

The microphone audio is connected to the PA system Signup and view all the answers

How do cabin attendants make announcements?

Via cabin crew stations handsets Signup and view all the answers

What is possible with regards to an established PA announcement?

It can be overridden by another cabin station with a higher priority Signup and view all the answers

What is the purpose of the Cabin Interphone System?

For communication between all cabin crew stations or between the cockpit and the cabin crew stations Signup and view all the answers

What is the primary function of the Cabin Pressure Controller (CPC) in the event of a rapid decompression?

To activate the NS, FSB and EXIT signs automatically Signup and view all the answers

What is the purpose of the passenger attention lo chime?

To get the attention of the passengers for a general announcement Signup and view all the answers

How many illumination levels can the CIDS control?

Three Signup and view all the answers

What is the function of the DEU-As in the passenger sign activation process?

To activate the passenger signs Signup and view all the answers

How is the EVAC system activated from the FAP or AAP?

Through the relevant DEU-B and then to the active DIR Signup and view all the answers

What is the purpose of the push-button switches on the FAP?

To control the illumination of the cabin areas Signup and view all the answers

What is the primary function of the Ethernet Switch Unit (ESU) in the Cabin Network System?

To interface with devices connected to the cabin Ethernet Signup and view all the answers

What is installed on the Cabin Network Server Unit (CNSU)?

Customized application software Signup and view all the answers

What type of capability should Personnel Electronic Devices (PEDs) have to connect to the cabin wireless system?

IEEE 802.3 capability Signup and view all the answers

What is the frequency range of the RF signals operated by the CWLU Antenna?

2.4 to 2.5 GHz Signup and view all the answers

What is the function of the Centralized Maintenance Computer (CMC) in the Cabin Network System?

To monitor system integrity and provide defect reports Signup and view all the answers

Where are the Cabin Wireless LAN Units (CWLU) typically mounted?

In various locations in the cabin area Signup and view all the answers

Study Notes

Crew Signalling and Alerting

The emergency crew alerting system indicates unusual behavior in the cabin or cockpit
The system is initiated by the alert push-button from the cabin or cockpit
It activates visual and aural warnings in the cockpit and cabin

CIDS Indicating and Control Functions

The CIDS provides performance and operational requirements of the interfaced system on the FAP display
The CIDS monitors and controls various systems, including:
- Emergency Lighting Power Supply
- Ice Protection and Control
- Doors/Slides
The CIDS interface with the emergency lighting system monitors the system and carries out battery-capacity tests

CIDS Architecture

The CIDS is a microprocessor-based system that controls and displays cabin functions for passengers and crew
Components of the CIDS include:
- CIDS Director (DIR)
- Data links
- Decoder/Encoder Unit A (DEU A)
- Decoder/Encoder Unit B (DEU B)
- Forward Attendant Panel (FAP)
- Additional Attendant Panel (AAP)
- Area Call Panel (ACP)
- Attendant Indication Panels (AIP)

CIDS Director

The CIDS Director (DIR) is the central control and interface component of the CIDS
The system has two identical directors (DIRs) for redundancy, with one active and one in hot-standby mode
Each DIR receives the same inputs and processes the information, with results checked via a crosstalk bus

Cabin Intercommunication Data System

The Cabin Intercommunication Data System (CIDS) is used for communication between all cabin crew stations or between the cockpit and the cabin crew stations
The system allows for announcements, music, and chimes to be broadcasted over all PA loudspeakers or passenger's headsets via the In-Flight Entertainment (IFE) system

Cabin Illumination

The CIDS controls the illumination of different cabin areas independently
The system has three illumination levels (bright, dim 1, and dim 2) and can be controlled by push-button switches on the FAP

Emergency-Evacuation

The Emergency-Evacuation (EVAC) signalling system provides aural and visual signals to all crew members when activated from the cockpit or FAP
The system prepares the crew for an evacuation from the aircraft

Cabin Network System (CNS)

The CNS consists of:
- Ethernet Switch Unit (ESU)
- Cabin Network Server Unit (CNSU)
- Cabin Wireless LAN Unit (CWLU)
- Antenna CWLU
The CNS enables Email services and airline-specific applications
The CNSU does system processing and storage of data and files, and has connections with the Centralized Maintenance Computer (CMC)

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Description

Learn about the Cabin Intercommunication Data System (CIDS) used in commercial aircraft, specifically its architecture and functionality. Understand how it manages cabin functions for passengers and crew. Discover its role in Airbus' fleet of passenger aircraft.

Cabin Intercommunication Data System (CIDS) in Commercial Aircraft

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