L3 Technologies AFIRS228S ユーザーズマニュアル
AFIRS 228S Iridium Global Communications System Installation Manual
16 July 2014
L-3 Aviation Recorders Proprietary
Page 15
165E5733-00 Rev. 03
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Discrete Outputs (8) and Inputs (16)
Discrete inputs and outputs can be used to provide or supplement various flight crew control and
display interactions, particularly for voice functions. Discrete inputs can also be used to determine
the states of various aircraft systems when this information is not available on a databus (e.g.
Weight-on-Wheels, Doors Closed, etc.).
display interactions, particularly for voice functions. Discrete inputs can also be used to determine
the states of various aircraft systems when this information is not available on a databus (e.g.
Weight-on-Wheels, Doors Closed, etc.).
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Iridium Antenna (1)
An antenna mounted on the top of the fuselage is used to communicate with both the Iridium
satellite network and the GPS satellite network.
satellite network and the GPS satellite network.
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User Media Interfaces – SIM (1), CF (1)
There are two types of media available for the user to insert or remove from the Iridium SATCOM
System. The SCM contains a user accessible Subscriber Identity Module (SIM) card slot for
storage of the Iridium communications management information. The SDU contains a front panel
accessible Compact Flash (CF) that must be installed to be used for system fault testing.
System. The SCM contains a user accessible Subscriber Identity Module (SIM) card slot for
storage of the Iridium communications management information. The SDU contains a front panel
accessible Compact Flash (CF) that must be installed to be used for system fault testing.
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Voice Modem – Iridium 9523
Connects the Iridium System in the aircraft to the Iridium satellite for voice communication.
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Data Modem – Iridium 9602
Connects the Iridium System in the aircraft to the Iridium satellite for ACARS data communication.