R 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page 59 1 1 Config-2 Aug 01/05 1 1 1CES 1

 -System Data Acquisition Concentrator 1+2 (SDAC),
 -Flight Warning Computer 1+2 (FWC),
 -Engine Interface Unit (EIU), R - Motor start relay vacuum generator,
 (c) The director has audio and discrete interfaces to the:
 -Audio Management Unit (AMU).
 -Service Interphone Boomsets.
 **ON A/C 301-399,
 -Prerecorded Announcement & Boarding Music (PRAM),
 -In Flight Entertainment System (IFE).

R **ON A/C 106-149, 301-399, 401-499,
 (2)
 DEU type A
 (Ref. Fig. 015)

 (a)
 The DEU type A has direct interfaces to the:

 -Ballast units,
 -Loudspeakers,
 -NS, FSB and RTS signs,

 (b)
 The DEU type A has interfaces via PISA or StA PISA to the:

 -Reading lights,
 -Seatrow identifier,
 -Passenger call lights,
 -Loudspeakers,
 -NS, FSB and RTS signs,
 -Attendant work lights,

 (3)
 DEU type B

R **ON A/C 106-149, 401-499,
 (Ref. Fig. 017)
 **ON A/C 301-399,
 (Ref. Fig. 017A)
R 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page 60 1 1 Config-2 Aug 01/05 1 1 1CES 1R **ON A/C 106-149, 301-399, 401-499,

 (a)
 The DEU type B has data bus interfaces to the:

 -Emergency Power Supply Unit (EPSU),
 -Lavatory Smoke Detector,

 (b)
 The DEU type B has discrete interfaces to the:

 -Drain Mast Control Unit (DMCU),
 -Slide and Door Pressure Sensor,
 -Flush Control Unit (FCU),
 -
Liquid Level Transmitter (LLT),

 -
Liquid Level Sensor (LLS),

 -Water and Waste Service Panel,
 -Prime Level Indicator (Precharge),
 -Vacuum Generator,
 -Fan Phase Off Relay,
 -Vacuum Power Control Relay.
 **ON A/C 301-399,
 (c) The DEU type B has discrete interfaces to the:
 -Drain Mast Control Unit (DMCU),
 -Slide and Door Pressure Sensor,
 -Flush Control Unit (FCU),
 -
Liquid Level Transmitter (LLT),

 -
Liquid Level Sensor (LLS),

 -Water and Waste Service Panel,
 -Vacuum Generator,
 -Fan Phase Off Relay,
 -Vacuum Power Control Relay,
R **ON A/C 106-149, 301-399, 401-499,
 (4) Flight Attendant Panel (FAP)
R **ON A/C 106-149, 401-499,
 (Ref. Fig. 018)
 **ON A/C 301-399,
 (Ref. Fig. 018A)
R 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page 61 1 1 Config-2 Aug 01/05 1 1 1CES 1

 (a) The FAP has data bus interfaces to the:
 -In Flight Entertainment System (IFE).

R **ON A/C 106-149, 401-499,
 (b) The FAP has discrete interfaces to the:
 -Emergency Lighting System,
 **ON A/C 301-399,
 (b) The FAP has discrete interfaces to the:
 -Emergency Lighting System,
 -In Flight Entertainment System (IFE).

R **ON A/C 106-149, 301-399, 401-499,
 6. Component Description
_____________________
 A. General
 The CIDS has these main components:

 -Director,
 -
Decoder/Encoder Unit (DEU) type A,

 -
Decoder/Encoder Unit (DEU) type B,

 -Passenger Interface and Supply Adapter (PISA),
 -Stand Alone Passenger Interface and Supply Adapter (StA PISA),
 -Flight Attendant Panel (FAP),
 -Cabin Assignment Module (CAM),
 -On Board Replaceable Module (OBRM),
 -Additional Attendant Panel (AAP),
 -Attendant Indication Panel (AIP),
 -Area Call Panel (ACP),
 -Handset,
 -Loudspeaker,
 -
Passenger call/reset pushbutton,

 -
Passenger call light,

 -NS, FSB and RTS signs.
 B. Director
 (1) General For redundancy, the system has two identical directors. One director is in hot-standby mode and has the same inputs and outputs as the active director. Both directors are connected in parallel except for:
 -The power supply connection,
R 1EFF : 106-149, 301-399, 401-499, 1 23-73-00Page 62 1 1 Config-2 Aug 01/05 1 1 1CES 1

 -Certain outputs to other equipment and systems.
 The CIDS directors are installed in the pressurised area of the
 electronic compartment.
 The CIDS directors give an interface to:

 -
Components in the cockpit,

 -
　
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