W DOC AIRBUS | AMM A320F

Uploading of the ATSU Software Component

TASK 46-21-00-610-803-A
Uploading of the ATSU Software Component

CAUTION: DURING THE UPLOADING OF THE SOFTWARE COMPONENTS TO THE ATSU (FIN'S 20TXSW1, 21TXSW1, 30TXSW1, 23TXSW1, 25TXSW1, 35TXSW1, 36TXSW1, 39TXSW1, 37TXSW1, 22TXSW1, 24TXSW1, 31TXSW1, 42TXSW1), MAKE SURE THAT:
  • MAINTENANCE PERSONNEL DO NOT CHANGE THE SOURCE OF THE AIRCRAFT POWER SUPPLY (GROUND POWER UNIT, APU, ETC.)
  • MAINTENANCE PERSONNEL DO NOT TOUCH OR MOVE THE DATA LOADER SELECTOR(S)/DLRB AND THE MDDU/PDL.
IF YOU DO NOT OBEY THESE TWO PRECAUTIONS, THERE CAN BE ERASURE OF ALL THE SOFTWARE COMPONENTS LOADED INTO THE ATSU. IT CAN THEN BE NECESSARY TO START THE UPLOADING PROCEDURE OF ALL THE ATSU SOFTWARE COMPONENTS AGAIN.
ZONE: 210
FIN: 1TX1 ** ON A/C NOT FOR ALL
FIN: 20TXSW1 ** ON A/C NOT FOR ALL
FIN: 21TXSW1 ** ON A/C NOT FOR ALL
FIN: 22TXSW1 ** ON A/C NOT FOR ALL
FIN: 23TX ** ON A/C NOT FOR ALL
FIN: 24TXSW1 ** ON A/C NOT FOR ALL
FIN: 25TX ** ON A/C NOT FOR ALL
FIN: 30TXSW1 ** ON A/C NOT FOR ALL
FIN: 31TX ** ON A/C NOT FOR ALL
FIN: 35TX ** ON A/C NOT FOR ALL
FIN: 36TX ** ON A/C NOT FOR ALL
FIN: 37TX ** ON A/C NOT FOR ALL
FIN: 39TXSW1 ** ON A/C NOT FOR ALL
1. Reason for the Job
Self explanatory
2. Job Set-up Information
 A. Work Zones and Access Panels
ZONE/ACCESS
ZONE DESCRIPTION
210
CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
 B. Referenced Information
REFERENCE
DESIGNATION
TASK 24-41-00-861-002-A
Energize the Aircraft Electrical Circuits from the External Power
TASK 24-41-00-861-002-A-01
Energize the Aircraft Electrical Circuits from the APU
TASK 24-41-00-861-002-A-02
Energize the Aircraft Electrical Circuits from Engine 1(2)
TASK 24-41-00-862-002-A
De-energize the Aircraft Electrical Circuits Supplied from the External Power
TASK 24-41-00-862-002-A-01
De-energize the Aircraft Electrical Circuits Supplied from the APU
TASK 24-41-00-862-002-A-02
De-energize the Aircraft Electrical Circuits Supplied from the Engine 1(2)
TASK 31-32-00-860-003-A
Procedure to Get Access to the SYSTEM REPORT/TEST/COM Page
TASK 31-32-00-860-013-A
Procedure to Get Access to the SYSTEM REPORT/TEST/INFO SYS Page
TASK 31-38-00-610-804-A
Onboard Software Uploading Procedure
TASK 46-21-00-860-001-A
Initialization Procedure of the ATSU Router
3. Job Set-up
Subtask 46-21-00-861-099-A ** ON A/C NOT FOR ALL
A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002)
Subtask 46-21-00-865-093-A ** ON A/C NOT FOR ALL
B. Make sure that this(these) circuit breaker(s) is(are) closed:
PANELDESIGNATIONFINLOCATION
** ON A/C NOT FOR ALL
49VUAUTO FLT/MCDU/111CA1B01
** ON A/C NOT FOR ALL
49VUL/G/LGCIU/SYS1/NORM1GAC09
49VUFWS/FWC1/SPLY3WWF01
** ON A/C NOT FOR ALL
49VUAUTO FLT/MCDU/111CA1H07
** ON A/C NOT FOR ALL
121VUCFDS/CFDIU/SPLY2TWJ18
121VUATSU 13TX1L16
121VUATSU 1/SWTG5TX1L15
** ON A/C NOT FOR ALL
121VUAUTO FLT/MCDU/211CA2N20
121VUHYDRAULIC/LGCIU/SYS22GAQ35
121VUEIS/FWC2/SPLY2WWQ07
** ON A/C NOT FOR ALL
121VUCFDS/CFDIU/SPLY2TWJ41
121VUATSU 13TX1K43
121VUATSU 1/SWTG5TX1K42
Subtask 46-21-00-280-141-A ** ON A/C NOT FOR ALL
C. Check of the References of the Software Components Pre-Loaded in the ATSU on the MCDU
NOTE: This software check compares the part number (PN) shown on the LRU IDENTIFICATION page and the AOC MENU page of the MCDU with the PN written on the software media. The PN shown on the Portable Data Loader (PDL) and the PN written on the software media or on the LRU IDENTIFICATION page can be different.
   (1) Do the procedure to get access to the SYSTEM REPORT/TEST/INFO SYS page (Ref. AMM TASK 31-32-00-860-013):
     (a) If the access to the LRU IDENTIFICATION page is not possible, or if no software component is uploaded to the ATSU:
  • Upload the ATSU software components given in Para 4.
     (b) If the access to the LRU IDENTIFICATION page is possible:
  • Do a check of the references of the software components pre-loaded in the ATSU, as follows:
ACTION
RESULT
1.On the MCDU:
  • Push the line selection key adjacent to the ATIMS indication.
On the MCDU:
  • The ATIMS menu page comes into view.
2.On the ATIMS page:
  • Push the line selection key adjacent to the LRU IDENT indication.
On the MCDU:
  • The LRU IDENTIFICATION page comes into view.
3.For the list of software components that follows, make sure that the references on the software media are different from the references shown on the LRU IDENTIFICATION page:
  • ATSU A/C INTERFACE software component (20TX)
  • ATSU CONFIGURATION software component (21TX)
  • ATSU ROUTER PARAM software component (30TX).
    And if installed:
  • ATC HMI UTILITIES software component (25TX)
  • ATSU FANS A APPLICATIONS software component (35TX)
  • ATSU FANS B APPLICATIONS software component (36TX)
  • ATSU ATC FANS APPLICATIONS software component (39TX)
  • ATSU CMA CONFIGURATION software component (37TX)
  • ATSU ARINC 623 APPLICATIONS software component (23TX)
  • ATSU ISM APPLICATION software component (31TX)
  • ATSU BRAKING ACTION COMPUTATION software component (42TX).

   (2) Print the LRU IDENTIFICATION pages.
   (3) If you have the media for software component(s) 22TX and/or 24TX, do a check of the installed AOC software components:
     (a) For the Honeywell AOC software component, do the procedure given in the table that follows:

ACTION
RESULT
1.On the MCDU:
  • Push the line selection key adjacent to the MCDU MENU indication.
On the MCDU:
  • The MCDU MENU page comes into view.
2.On the MCDU MENU page:
  • Push the line selection key adjacent to the ATSU indication.
On the MCDU:
  • The ATSU DATALINK page comes into view.
3.On the ATSU DATALINK page:
  • If the AOC MENU comes into view:
    - Push the line selection key adjacent to the AOC MENU indication.
  • If the AOC MENU does not come into view:
    - Go to Para 4. Procedure.
On the MCDU:
  • The AOC MENU page comes into view.
4.On the AOC MENU page:
  • Push the line selection key adjacent to the MISC indication.
On the MCDU:
  • The AOC MISCELLANEOUS page comes into view.
5.On the AOC MISCELLANEOUS page:
  • Push the line selection key adjacent to the PART NUMBERS CONFIGURATION indication.
On the MCDU:
  • The AOC CONFIGURATION page comes into view.
6.For the list of software components that follows, make sure that the references on the software media are different from the references shown on the AOC CONFIGURATION page:
  • ATSU AOC SOFTWARE (22TX)
  • ATSU AOC DATABASE SOFTWARE (24TX).

     (b) For the Rockwell AOC software component, do the procedure given in the table that follows:

ACTION
RESULT
1.On the MCDU:
  • Push the line select key adjacent to the MCDU MENU indication.
On the MCDU:
  • The MCDU MENU page comes into view.
2.On the MCDU MENU page:
  • Push the line selection key adjacent to the ATSU indication.
On the MCDU:
  • The ATSU DATALINK page comes into view.
3.On the ATSU DATALINK page:
  • If the AOC MENU comes into view:
    - Push the line selection key adjacent to the AOC MENU indication.
  • If the AOC MENU does not come into view:
    - Go to Para 4. Procedure.
On the MCDU:
  • The AOC MENU page comes into view.
4.On the AOC MENU page:
  • Push the line selection key adjacent to the MISC MENU indication.
On the MCDU:
  • The MISC MENU page comes into view.
5.On the MISC MENU page:
  • Push the line selection key adjacent to the SYSTEM CONFIG indication.
On the MCDU:
  • The SYSTEM CONFIG page comes into view.
6.For the list of software components that follows, make sure that the references on the software media are different from the references shown on the SYSTEM CONFIG page:
  • ATSU AOC SOFTWARE (22TX)
  • ATSU AOC DATABASE SOFTWARE (24TX).

   (4) Print the LRU IDENTIFICATION pages.
   (5) If all the references given on the media are the same as the references shown on the MCDU, go to Para. 5. Close Up.
   (6) If a minimum of one reference given on the media is different from the references shown on the MCDU, go to Para 4.A Preparation of the ATSU Software Components Uploading.
4. Procedure
CAUTION: FOR EACH SOFTWARE COMPONENT, MAKE SURE THAT YOU CORRECTLY COPIED THE DIRECTORY WITH ALL THE HIDDEN FILES AND FOLDERS. IF YOU DO NOT OBEY THIS PRECAUTION, THERE IS A RISK OF FAILURE OF THE SOFTWARE UPLOADING.
CAUTION: YOU MUST DO A CHECK OF THE INTEGRITY OF THE MEDIA USED FOR THE SOFTWARE UPLOADING. MAKE SURE THAT YOU CORRECTLY COPIED THE DIRECTORY WITH ALL THE HIDDEN FILES AND FOLDERS. IF YOU DO NOT OBEY THIS PRECAUTION, THERE IS A RISK OF FAILURE OF THE SOFTWARE UPLOADING.
Subtask 46-21-00-860-132-A ** ON A/C NOT FOR ALL
A. Preparation of the ATSU software Components uploading.
If several software need to be uploaded the sequence of uploading is as follow:
NOTE: According to the ATSU configuration some of these components may not be present.
  • ATSU A/C INTERFACE software component (20TX).
  • ATSU CONFIGURATION software component (21TX).
  • ATSU ROUTER PARAM software component (30TX).
    And if installed:
  • ATC HMI UTILITIES software component (25TX).
  • ATSU FANS A APPLICATIONS software component (35TX).
  • ATSU FANS B APPLICATIONS software component (36TX).
  • ATSU ATC FANS APPLICATIONS software component (39TX)
  • ATSU CMA CONFIGURATION software component (37TX).
  • ATSU ARINC 623 APPLICATIONS software component (23TX).
  • ATSU AOC SOFTWARE software component (22TX).
  • ATSU AOC DATABASE SOFTWARE software component (24TX).
  • ATSU ISM APPLICATION software component (31TX).
  • ATSU BRAKING ACTION COMPUTATION software component (42TX).
Subtask 46-21-00-970-091-A ** ON A/C NOT FOR ALL
B. Uploading of the ATSU Software Components (20TX, 21TX, 30TX).
NOTE: The uploading of software component 20TX will erase all previously installed software components which will need to be loaded again.
   (1) Do the steps that follow only when you must upload software components (20TX, 21TX and 30TX). If it is not necessary to upload software components 20TX, 21TX and 30TX, go directly to next para.
   (2) If you can open the MCDU COMM CONFIG and VHF3 SCAN SELECT pages, print them before you upload the ATSU software components (Ref. AMM TASK 31-32-00-860-003) (Ref. AMM TASK 31-32-00-860-013)
.
   (3) Upload the ATSU A/C INTERFACE software component (20TX): (Ref. AMM TASK 31-38-00-610-804).
   (4) When the uploading is completed, do the following check:
ACTION
RESULT
1.On the overhead panel, on the DLS:
  • Set the ON/OFF control switch to OFF.
  • The ATSU does a Power On Self Test (POST). The DATALINK ATSU FAULT warning goes out of view at the end of the test.
  • On the MCDU MENU page, the ATSU indication comes into view.
2.If the DATALINK ATSU FAULT warning stays in view after one minute:
  • Open circuit breakers 3TX1 and 5TX1.
  • Wait for 10 seconds.
  • Close circuit breakers 3TX1 and 5TX1.
  • Wait for 60 seconds.
  • Make sure that the DATALINK ATSU FAULT warning goes out of view.
On the MCDU MENU page:
  • The ATSU indication comes into view.
   (5) Upload the ATSU Software components in this sequence: (Ref. AMM TASK 31-38-00-610-804)
     (a) ATSU CONFIGURATION software component (21TX).
     (b) ATSU ROUTER PARAM software component (30TX).
Subtask 46-21-00-970-092-A ** ON A/C NOT FOR ALL
C. Uploading of the ATSU ATC Application Software Components (25TX, 35TX, 36TX, 39TX, 37TX, 23TX).
NOTE: If an uploading is started, the DATALINK ATSU FAULT comes into view on the upper ECAM DU.
   (1) Do the steps that follow only when you must upload software components 25TX, 35TX, 36TX, 39TX, 37TX and 23TX. If it is not necessary to upload these software components go directly to next para.

   (2) If necessary, do the uploading of the following ATSU software component in this sequence: (Ref. AMM TASK 31-38-00-610-804)
     (a) ATC HMI UTILITIES software component (25TX).
     (b) S/W ATSU ATC FANS APPLICATIONS software component (35TX).
     (c) S/W ATSU ATC FANS B APPLICATIONS software component (36TX).
     (d) S/W ATSU ATC FANS APPLICATIONS software component (39TX).
     (e) S/W ATSU CMA CONFIGURATION software component (37TX).
     (f) S/W ATSU ATC ARINC 623 APPLICATIONS software component (23TX).
   (3) If it is not necessary to upload another ATSU software components, go to step End of the ATSU Software Components Uploading.
Subtask 46-21-00-970-106-B ** ON A/C NOT FOR ALL
D. If Applicable, Uploading of the ATSU AOC Application Software Components 22TX and 24TX.
NOTE: If an uploading is started, the DATALINK ATSU FAULT comes into view on the upper ECAM DU.
   (1) Do the steps below to upload the ATSU AOC application software components 22TX, 24TX. If it is not necessary to upload the ATSU AOC Applications, go directly to next para.
   (2) If software components 22TX and 24TX were previously uploaded, do these steps in the sequence given. If they were not, go to step (3).
     (a) Make sure that you have access to the media which contain the software components listed on the LRU IDENTIFICATION page.
     (b) Upload software components 20TX, 21TX, 30TX (refer to step Uploading of the ATSU software components 20TX, 21TX, 30TX).
NOTE: The new upload of software components 20TX will erase previously installed software components 22TX and 24TX. It will also erase all other installed software components which will need to be loaded again.
     (c) Upload the other previously installed software components:
If necessary, upload 25TX, 35TX, 36TX, 37TX, 39TX, and/or 23TX as per subtask Uploading of the ATSU ATC APPLICATION.
Upload the ATSU AOC Software in this sequence: (Ref. AMM TASK 31-38-00-610-804)
       1 ATSU AOC software component (22TX).
       2 ATSU AOC DATABASE software component (24TX).
     (d) If necessary, upload the ATSU ISM APPLICATION SOFTWARE (31TX) (refer to Uploading of the S/W ATSU ISM APPLICATION SOFTWARE 31TX).
     (e) If necessary, upload the ATSU BRAKING ACTION COMPUTATION (42TX) (refer to Uploading of the S/W ATSU BRAKING ACTION COMPUTATION software 42TX).
   (3) If software components 22TX and 24TX were not previously installed, upload the ATSU AOC Software in this sequence: (Ref. AMM TASK 31-38-00-610-804)
     (a) ATSU AOC software component (22TX).
     (b) ATSU AOC DATABASE software component (24TX).
   (4) If it is not necessary to upload another software component, go to step End of the ATSU Software Components Uploading.
Subtask 46-21-00-970-094-A ** ON A/C NOT FOR ALL
E. Uploading of S/W ATSU ISM APPLICATION software component 31TX.
NOTE: If an uploading is started, the "DATALINK ATSU FAULT" message comes into view on the upper ECAM DU.
   (1) Do the below steps to upload ATSU software component 31TX. If it is not necessary to upload software component 31TX, go directly to the next para.
   (2) Upload ATSU ISM APPLICATION software component (31TX) (Ref. AMM TASK 31-38-00-610-804).
   (3) If it is not necessary to upload another ATSU software component, go to the End of the ATSU Software Components Uploading para.
Subtask 46-21-00-860-133-A ** ON A/C NOT FOR ALL
F. End of the ATSU Software Components Uploading.
   (1) On the overhead panel, on the DLS, push the SEL CTL key until the ATSU NOT SELECTED indication comes into view.
   (2) On the overhead panel, on the Data Loading selector section of panel 50VU, set the ON/OFF switch to OFF. On the upper ECAM DU, the DATALINK ATSU FAULT warning goes out of view after approximately one minute.
NOTE: When the ON/OFF switch on the DLS is set to OFF, the ATSU does a power-on self-test. The DATALINK ATSU FAULT warning goes out of view at the end of this test.
   (3) Make sure that the ATSU prompt indication comes into view on the MCDU MENU page.
   (4) If the DATALINK ATSU FAULT warning stays in view after one minute:
  • Open circuit breakers 3TX1 and 5TX1.
  • Wait for 10 seconds.
  • Close circuit breakers 3TX1 and 5TX1.
  • Wait for 60 seconds.
  • Make sure that the DATALINK ATSU FAULT warning goes out of view.
  • Make sure that on the MCDU MENU page, the ATSU prompt comes into view.
Subtask 46-21-00-280-147-A ** ON A/C NOT FOR ALL
G. Check of the Reference(s) of the Software Components Uploaded to the ATSU
   (1) Do the procedure to get access to the SYSTEM REPORT/TEST/INFO SYS page (Ref. AMM TASK 31-32-00-860-013).
   (2) Do a check of the references of the software components in the ATSU, as follows:
ACTION
RESULT
1.On the MCDU:
  • Push the line selection key adjacent to the ATIMS indication.
On the MCDU:
  • The ATIMS menu page comes into view.
2.On the ATIMS page:
  • Push the line selection key adjacent to the LRU IDENT indication.
On the MCDU:
  • The LRU IDENTIFICATION page comes into view.
3.On the LRU IDENTIFICATION page:
  • Make sure that these references for the software indications are the same as the references read on the related media:
  • ATSU A/C INTERFACE software component (20TX)
  • ATSU CONFIGURATION software component (21TX)
  • ATSU ROUTER PARAM software component (30TX).
    And if installed:
  • ATC HMI UTILITIES software component (25TX)
  • ATSU FANS A APPLICATIONS software component (35TX)
  • ATSU FANS B APPLICATIONS software component (36TX)
  • ATSU ATC FANS APPLICATIONS software component (39TX)
  • ATSU CMA CONFIGURATION software component (37TX)
  • ATSU ARINC 623 APPLICATIONS software component (23TX)
  • ATSU ISM APPLICATION software component (31TX)
  • ATSU BRAKING ACTION COMPUTATION software component (42TX).

   (3) If you uploaded software component(s) 22TX and/or 24TX, do a check of the reference of the installed AOC software:
     (a) For the Honeywell AOC software components, do the procedure given in the table that follows:

ACTION
RESULT
1.On the MCDU:
  • Push the line selection key adjacent to the MCDU MENU indication.
On the MCDU:
  • The MCDU MENU page comes into view.
2.On the MCDU MENU page:
  • Push the line selection key adjacent to the ATSU indication.
On the MCDU:
  • The ATSU DATALINK page comes into view.
3.On the ATSU DATALINK page:
  • Push the line selection key adjacent to the AOC MENU indication.
On the MCDU:
  • The AOC MENU page comes into view.
4.On the AOC MENU page:
  • Push the line selection key adjacent to the MISC indication.
On the MCDU:
  • The AOC MISCELLANEOUS page comes into view.
5.On the AOC MISCELLANEOUS page:
  • Push the line selection key adjacent to the PART NUMBERS CONFIGURATION indication.
On the MCDU:
  • The AOC CONFIGURATION page comes into view.
6.On the AOC CONFIGURATION page:
Make sure that the references shown below the software indications are the same as the references read on the related media. The references shown on the MCDU will be in the list that follows:
  • ATSU AOC software component (22TX)
  • ATSU AOC DATABASE software component (24TX).

     (b) For the Rockwell AOC software component, do the procedure given in the table that follows:

ACTION
RESULT
1.On the MCDU:
  • Push the line selection key adjacent to the MCDU MENU indication.
On the MCDU:
  • The MCDU MENU page comes into view.
2.On the MCDU MENU page:
  • Push the line selection key adjacent to the ATSU indication.
On the MCDU:
  • The ATSU DATALINK page comes into view.
3.On the ATSU DATALINK page:
  • Push the line selection key adjacent to the AOC MENU indication.
On the MCDU:
  • The AOC MENU page comes into view.
4.On the AOC MENU page:
  • Push the line selection key adjacent to the MISC MENU indication.
On the MCDU:
  • The MISC MENU page comes into view.
5.On the MISC MENU page:
  • Push the line selection key adjacent to the SYSTEM CONFIG indication.
On the MCDU:
  • The SYSTEM CONFIG page comes into view.
6.On the SYSTEM CONFIG page:
Make sure that the references shown below the software indications are the same as the references read on the related media. The references shown on the MCDU will be in the list that follows:
  • ATSU AOC software component (22TX)
  • ATSU AOC DATABASE software component (24TX).

Subtask 46-21-00-860-172-A ** ON A/C NOT FOR ALL
H. Do the Initialization Procedure of the ATSU Router
   (1) If you uploaded a S/W ATSU A/C INTERFACE software component (20TX) perform (Ref. AMM TASK 46-21-00-860-001) to initialize the ATSU router.
5. Close-up
Subtask 46-21-00-860-135-A ** ON A/C NOT FOR ALL
A. Put the aircraft back to its initial configuration.
   (1) On the MCDU, push the line select key adjacent to the RETURN indication until the CFDS menu page comes into view.
Subtask 46-21-00-862-080-A ** ON A/C NOT FOR ALL
B. De-energize the aircraft electrical circuits (Ref. AMM TASK 24-41-00-862-002)
[Rev.10 from 2021] 2026.04.02 06:26:03 UTC
"WTRUIB" 2025