CSS GENERAL -CDG -HANDSET DEFINITION WINDOW
General
The handset definition window allows you to define the configuration for the flight deck and cabin interphone handsets.
Handset
Shows the dial code assigned to a handset. Also shows the ZMU and port number that the handset connects to. All this information is assigned on another screen.
In Config
Shows whether a handset is in the configuration database. X enters the handset into the configuration database.
All Call
Determines whether this handset is called whenever the dial code for an all-call is activated.
Attn All Call
Determines whether this handset is called whenever the dial code for an attendant all-call is activated.
Conference Call
Determines whether this handset is called whenever the dial code assigned to this conference call is activated.
External Line-Output
Determines whether this handset can access an external line circuit to make a telephone connection through the gatelink connector.
External Line-Input
Determines whether this handset can receive external phone calls through the gatelink connector.
Priority Handset
Determines whether this handset can receive priority calls from the flight deck. Only one handset can receive priority calls.
Description
The description button gives access to a window that allows you to enter a location description for each handset. The description shows on CSCP maintenance screens when a fault is detected in the handset.
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CSS GENERAL -CDG -HANDSET DEFINITION WINDOW
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CSS GENERAL -INSTALL CONFIGURATION DATABASE
General Boeing engineering writes and loads the initial configuration database. Airline engineering may change the configuration database using the configuration database generator (CDG). The engineers copy the database to floppy diskettes. Installation of data to the CSS components is called a phase 2 load.
You must load the diskettes to install the new database. Disk Loading (Phase 1 Load) The cabin system control panel (CSCP) has a disk drive. Put a floppy diskette in the disk drive to load it into the CSCP. The CSCP keeps the configuration database on a mass storage device.
Installation of data to the CSCP mass storage is called a phase 1 load. Database Installation (Phase 2 load) When the configuration database is in the CSCP, you use selections on the CSCP screen to install it in the CSS.
Many CSS components use the configuration database to operate. If you replace a component, you must use the CSCP to send database information to the new component. Because the configuration database is normally in CSCP memory, you only need to use a CSCP screen selection to install the database.
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CSS GENERAL -INSTALL CONFIGURATION DATABASE
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CSS GENERAL -OPERATIONAL PROGRAMS
General
The CSS components use special software for internal operation. The operational program controls the basic functions of the LRU. The LRU operational programs are not part of the configuration database.
Operational Software Installation
The LRU manufacturer normally installs the operational program. A service bulletin may require you to install new operational programs.
You can select an LRU operational program from CSCP memory and install it in the LRU.
These LRUs have operational programs:
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Cabin system management unit (CSMU)
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Cabin system control panel (CSCP)
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Passenger address controller (PAC) -part of the passenger address/cabin interphone (PA/CI) controller
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Cabin interphone controller (CIC) -part of the PA/CI controller
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Zone management units (ZMUs)
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Cabin area control panels (CACPs)
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Overhead electronics units (OEUs)
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Speaker drive modules (SDMs).
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CSS GENERAL -OPERATIONAL PROGRAMS
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CSS GENERAL -POWER INTERFACE
General
Power for the cabin services system (CSS) comes through these three power management panels:
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P110 left power management panel
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P210 right power management panel
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