-System validity
-Datalink availability (VHF,SATCOM)
(4)
Interface with the Cabin Terminal system The Cabin Terminal system provides the air/ground communication routing function with the following services:
(a)
Acquisition of ARINC 429 parameters
-Cabin Terminal activity label.
(b)
Exchange of ARINC 619 messages
(c)
Transmission by the system of status information
-System validity
-Datalink availability (VHF,SATCOM)
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G. ATSU Pin Programming The System Management functions of the A/C interface software also acquire pin programming information in order to provide them with applications and functions.
----------------------------------------------------------------------------| INFORMATION | SOURCE | COMMENTS | ----------------------------------------------------------------------------| VDR 25KHz/8.33KHz | Hardware pin | Enable/inhibit 8.33 KHz | | | on ATSU | resolution in addition to | | | | 25 KHz resolution for VHF3 | | | | voice frequencies controlled | | | | by ATSU. | ----------------------------------------------------------------------------| ATSU location | Hardware pin | | | (1 or 2) | on ATSU | | ----------------------------------------------------------------------------| SDU installed or not | CFDIU | Used by the air/ground | | | | communication function: | | | | enable/inhibit SATCOM menus | ----------------------------------------------------------------------------| DMU installed or not | CFDIU | Used by the air/ground | | | | communication function: | | | | acceptance by the router | | | | of ground messages to DMU | ----------------------------------------------------------------------------
R
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Post SB 46-1013 For A/C 151-156,201-209,
G. ATSU Pin Programming The System Management functions of the A/C interface software also acquire pin programming information.
---------------------------------------------------------------------------| SOURCE | FUNCTION | ACTIVATION CONDITION ---------------------------------------------------------------------------| ATSU 1 | Enable/inhibit 8.33 KHz | ATSU installation and | | resolution in addition to | activation of the VDR | | 25 KHz resolution for VHF3 | 8.33 kHz function on | | voice frequencies controlled | RMPs | | by ATSU. | ----------------------------------------------------------------------------| ATSU 1 | Pin Programming Parity | Odd parity ----------------------------------------------------------------------------| CFDIU | ATSU installed | ATSU installation ----------------------------------------------------------------------------| DMU | DMU installed | DMU installation | | Used by the air/ground| | | communication function: | | | acceptance by the router | | | of ground messages to DMU | ----------------------------------------------------------------------------| CFDIU | SDU installed | SDU installation | | Used by the air/ground | | | communication function: | | | enable/inhibit SATCOM menus | ----------------------------------------------------------------------------| CFDIU | HFDR1 installed | HFDR installation | | Used by the air/ground | | | communication function: | | | enable/inhibit HFDF menus | ----------------------------------------------------------------------------| FWC 1 & 2 | ATSU installed | ATSU installation ----------------------------------------------------------------------------
R **ON A/C 106-149, 151-199, 201-299, 301-399, 401-499,
4. Operation
_________
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R **ON A/C 151-158, 201-209,
R A. Router Initialization
R The air/ground communication functions and services are active when the
R initialization is complete: they can receive ground messages from the
R sub-networks and send messages to the ground.
R (1) Mandatory parameters for router initialization
R On ground, as soon as the ATSU is supplied, the ATSU performs its
R Power-On Self Test (POST) to determine if the ATIMS is operational.
R NOTE : Detected failures are recorded for BITE and Trouble Shooting____
R Data.
R Once the ATSU self test is performed, the ATSU checks the presence of
R mandatory parameters for its operation:
R - two valid A/L IDENT consisting in two and three character codes for
R the airline identification,
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