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COMMUNICATIONS
ACARS - ELECTRICAL SUPPLY
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A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
SATCOM - GENERAL
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GENERAL
Applicable to:
The Satellite Communication (SATCOM) system allows the exchange of information between the
aircraft and a Ground Earth Station (GES), via geosynchroneous satellites.
It provides up to six independent channels :
One channel is used for data transmissions (ATSU or ACARS). Two, three or five channels are used
for voice transmissions (cockpit or cabin voice). The cockpit voice function must be activated, in
order to be available. The cabin telephone system must be installed, to be able to use cabin voice
function.
The ATSU or ACARS normally transmit via VHF3. They automatically switch to SATCOM when
VHF3 is not available.
The cockpit voice interface is controlled by the Audio Control Panels (ACPs) for call set-up and call
termination, and by the MCDU for the call number selection. It allows the crew :
To initiate air to ground calls and ‐ to receive ground to air calls.
‐ To select the call priority, in case of air to ground calls.
‐ To use manual dial or pre-recorded phone numbers.
If a SATCOM telephone handset is installed in the cockpit, the crew can set up a call without the use
of the MCDU.
SATCOM functions are programmed through the Owner Requirement Table (ORT), according to
airline needs.
Due to the highly customized programming, the SATCOM functions may vary for different airlines
and are, therefore, not described in detail.
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OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
SATCOM - GENERAL
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A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
SATCOM - CONTROLS AND INDICATORS
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ACP INTERFACE
Applicable to:
Refer to DSC-23-20-10 AUDIO MANAGEMENT SYSTEM .
MCDU INTERFACE
Applicable to:
SATCOM MAIN MENU PAGE
The crew accesses this page by selecting SAT on the MCDU MAIN page.
2L (4L)
(Label line) This field displays the SATCOM Channel 1 (2) status :
‐ READY TO
CONNECT
: The channel is ready to support a call.
‐ NOT AVAILABLE : The channel is not available (failed or not logged).
‐ DIALING : Cockpit call in progress.
‐ INCOMING CALL : Advises of an incoming ground to air call.
‐ CONNECTED : The circuit is connected.
‐ CALL FAILED : The transmission is interrupted.
2L (4L)
(Data line) This field displays :
‐ The title of the selected phone number, in case of an air to ground call.
‐ The number, if the MANUAL DIAL option is used.
‐ GRND-AIR CALL, in case of a ground to air call.
A318/A319/A320/A321 FLIGHT CREW
OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
SATCOM - CONTROLS AND INDICATORS
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5R This key provides access to the Manual Dial page. This page allows the dialing of a
phone number.
6L This key provides access to the SATCOM STATUS page, which contains LOG ON and
channel status information.
6R This key provides access to the SATCOM DIRECTORY PAGE.
SATCOM DIRECTORY PAGE
This page provides access to 4 phone number lists, where phone numbers can be memorized,
according to their priority.
1L : EMERGENCY for Priority 1 - Reserved for emergency and distress phone numbers only.
2L : SAFETY for Priority 2 - Reserved for regulatory and flight safety phone numbers only.
3L : NON-SAFETY for Priority 3 - Reserved for non flight safety phone numbers.
4L : PUBLIC for Priority 4 - Reserved for personal phone numbers.
6L : This key is used to return to the SATCOM MAIN MENU page.
SATCOM CATEGORY NUMBERS PAGE
The CATEGORY NUMBERS page provides access to the pre-recorded phone numbers.
As an example, the following figure shows the SAFETY CATEGORY NUMBER page.
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OPERATING MANUAL
AIRCRAFT SYSTEMS
COMMUNICATIONS
SATCOM - CONTROLS AND INDICATORS
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1L, 2L, 3L, 4L, 5L: These fields display the phone numbers and their titles.
When pressed, they dial the corresponding phone number.
There are two types of numbers :
‐ Protected : Displayed in green.
‐ Unprotected : Displayed in blue brackets.
　
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