-
the behaviour to be followed by ATSU for messages with destination codes other than "G"
-
the maximum number of routing policy retries.
The ATSU router generates the following downlink messages:
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5P Temporary suspension _DEL General response HX Undelivered message Q0 Link test Q5 Unable to deliver message Q6 Voice to data change advisory QX Intercept/unable to process SA Media change advisory F3 Dedicated transceiver
(F3 is generated in response to uplink label 54)
C. Air/Ground Datalink Communication Indicating
(1)
FWC Warnings The FWCs generate the COM ACARS FAULT warning when the ATSU is failed and depending on the flight phases inhibition. This warning is displayed on the left bottom section of the upper ECAM DU.
(2)
FWC memo The FWCs generate the following Right memo on the bottom section of the upper ECAM DU:
ACARS STBY Loss of datalink function
or unavailable datalink function ACARS CALL Reception of a company call request ACARS MSG Reception of an AOC message VHF3 VOICE VDR3 in VOICE mode
(3) MCDU scratchpad messages These messages are automatically displayed to inform the pilot of a given situation :
-------------------------------------------------------------------------------
MESSAGE DISPLAYED ---------------------- | ---- COLOR ------- | --- COMMENT ----------------------------------------- |--
DEFAULT VHF SP LIST | Amber | The ATSU cannot configure the Router or |
| | the VHF scan mask used by the Router has |
---------------------- | ---- ------- | --- a default. ----------------------------------------- |--
ENTER A/L IDENT ---------------------- | ---- Amber ------- | --- The Airline identifier is not entered. ----------------------------------------- |--
ENTER A/C REGISTR | Amber | The Aircraft Registration Number is not |
---------------------- | ---- ------- | --- entered. ----------------------------------------- |--
ENTER VHF3 SCAN MASK | Amber | The VHF3 SCAN MASK is not entered. |
-------------------------------------------------------------------------------PRINT FAILED | White | The printing operation has failed. |
-------------------------------------------------------------------------------
R 1EFF : 151-158, 201-209, 1 46-24-00Page 66 1 1 Aug 01/04 1 1 1CES 1
-------------------------------------------------------------------------------
MESSAGE DISPLAYED | COLOR | COMMENT | -------------------------------------------------------------------------------PRINTER MSG RCVD | White | A printer message is received | -------------------------------------------------------------------------------VHF3 SWITCH IMPOSSIBLE | Amber | The VHF3 cannot switch in Voice or Data |
| | mode. | -------------------------------------------------------------------------------VHF3 VOICE ONLY | Amber | The VHF3 Data mode is failed. | -------------------------------------------------------------------------------
R **ON A/C 106-149, 151-156, 159-199, 201-299, 301-399, 401-499,
Post SB 46-1013 For A/C 151-156,201-209,
(8) Uplink messages processing The ATSU router receives messages from the VDR3, HFDR1 (if installed) and SDU (if installed). For uplink messages, the ATSU router determines the required destination by reading a specific label and forwards the message to the correct application (hosted AOC, remote AOC, printer...).
(a) Uplink message labels
The uplink message labels are the following: SQ Message Squitter :; ACARS Remote autotune _DEL General response 54 Voice Go-ahead or
COMPANY CALL C1 Printer message
NOTE : All uplink blocks other than squitters (label SQ) and
____ whose address fields (airline ID and ARN) do not match the aircraft addresses are ignored. Messages with label H1 are directed to the remote AOC applications. Uplink message with label C1 is sent directly to the printer.
The ATSU generates the green left memo "ACARS CALL" or "COMPANY CALL" when the uplink message is a Voice Go-ahead message (label 54).
(b) Uplink message sublabels Sublabels enable to direct the message to the appropriate peripheral:
R 1EFF : 106-149, 151-199, 201-299, 301-399, 1 46-24-00Page 67 1401-499, 1Aug 01/05 1 1 1CES 1 H1/M1 FMGC1 H1/M2 FMGC2 H1/CF CFDIU H1/DF DMU (ACMS) H1/T1 Cabin Terminal 1 H1/T2 Cabin Terminal 2 H1/S1 SDU1 H1/H1 HFDR1 H1/H2 HFDR2
(9) Downlink messages processing The ATSU router routes the downlink messages according to the availability of the sub-networks and according to the datalink sub-networks selection policy applicable to the application which generates the message. The router informs the applications of the availability of the different sub-networks.
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