Uploading of the ATSU Software with the PDL (SFIM or equivalent)

TASK 46-21-00-610-001-A
Uploading of the ATSU Software with the PDL (SFIM or equivalent)

CAUTION: YOU MUST DO THE UPLOADING OF THE AOC APPLICATION SOFTWARE AND ASSOCIATED DATABASE AFTER UPLOADING OF THE ATSU A/C INTERFACE SOFTWARE. UPLOADING OF THE ATSU A/C INTERFACE SOFTWARE ERASES THE AOC APPLICATION SOFTWARE AND ASSOCIATED DATABASE.

CAUTION: DO THE UPLOADING OF THE AOC SOFTWARE (22TX) BEFORE YOU DO THE UPLOADING OF THE AOC DATABASE SOFTWARE (24TX).

ZONE: 120
ZONE: 210
FIN: 1TX1 ** ON A/C NOT FOR ALL

1. Reason for the Job
To upload the software with the PDL.
2. Job Set-up Information
A. Fixtures, Tools, Test and Support Equipment

REFERENCE	QTY	DESIGNATION
No specific	1	ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE
YV68A110	1	PORTABLE DATA LOADER

B. Work Zones and Access Panels

ZONE/ACCESS	ZONE DESCRIPTION
120	AVIONICS COMPARTMENT
210	CKPT,FWD COMPT BHD TO FLT COMPT BULKHEAD
824

C. 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 31-32-00-860-013-A	Procedure to Get Access to the SYSTEM REPORT/TEST/INFO SYS Page
TASK 46-21-00-860-001-A	Initialization Procedure of the ATSU Router
TASK 52-41-00-010-002-A	Open the Avionics Compartment Doors for Access
TASK 52-41-00-410-002-A	Close the Avionics Compartment Doors after Access
Component Location of the ATSU DATA LOADER Connector 183VC
Logic Diagram to Upload the ATSU Software ** ON A/C NOT FOR ALL
Logic Diagram to Upload the ATSU Software ** ON A/C NOT FOR ALL

3. Job Set-up
Subtask 46-21-00-861-054-A ** ON A/C NOT FOR ALL

A. Energize the aircraft electrical circuits
(Ref. AMM TASK 24-41-00-861-002).

Subtask 46-21-00-865-055-A ** ON A/C NOT FOR ALL

B. Make sure that this(these) circuit breaker(s) is(are) closed:

PANEL	DESIGNATION	FIN	LOCATION
** ON A/C NOT FOR ALL
49VU	AUTO FLT/MCDU/1	11CA1	B01
49VU	L/G/LGCIU/SYS1/NORM	1GA	C09
49VU	FWS/FWC1/SPLY	3WW	F01
49VU	COM/RMP/1	2RG1	G10
121VU	CFDS/CFDIU/SPLY	2TW	J18
121VU	DATA/LOADER/SPLY	3TD	J16
121VU	ATSU 1	3TX1	L16
121VU	ATSU 1/SWTG	5TX1	L15
121VU	COM NAV/VHF/3	2RC3	L05
121VU	COM NAV/RMP/2	2RG2	L02
121VU	AUTO FLT/MCDU/2	11CA2	N20
121VU	HYDRAULIC/LGCIU/SYS2	2GA	Q35
121VU	EIS/FWC2/SPLY	2WW	Q07

Subtask 46-21-00-860-062-A ** ON A/C NOT FOR ALL

C. Aircraft Maintenance Configuration
(1) Make sure that the aircraft is in the ground configuration.

Subtask 46-21-00-010-052-A ** ON A/C NOT FOR ALL

D. Get access to the avionics compartment.
(1) Put an ACCESS PLATFORM 2M (6 FT) - ADJUSTABLE in position at zone 128.
(2) Open access door 824 (Ref. AMM TASK 52-41-00-010-002).

Subtask 46-21-00-480-050-A ** ON A/C NOT FOR ALL

E. Installation of the YV68A110 PORTABLE DATA LOADER in the Avionics Compartment.

Component Location of the ATSU DATA LOADER Connector 183VC ** ON A/C NOT FOR ALL

(1) Put the Portable Data loader (PDL) in position near the bottom right corner of electronics rack 80VU (zone 127), when you look aft.
(2) On the PDL, set the ON/OFF switch to ON.
(3) Upload the applicable software to the PDL.
(4) On the PDL, set the ON/OFF switch to OFF.
(5) Remove the blanking cap from ATSU DATA LOADER connector 183VC on the bottom right corner of the electronics rack 80VU, when you look aft.
(6) Connect the PDL cable to ATSU DATA LOADER connector 183VC.

Subtask 46-21-00-280-074-A ** ON A/C NOT FOR ALL

F. Refer to the Logic Diagram Before the Upload of the ATSU A/C INTERFACE Software (Part A)

Logic Diagram to Upload the ATSU Software ** ON A/C NOT FOR ALL

Subtask 46-21-00-280-150-A ** ON A/C NOT FOR ALL

G. Check the References of the Software Components Pre-Loaded in the ATSU on the MCDU

NOTE: This software-component reference check compares the part number (PN) on the LRU IDENTIFICATION page and the AOC MENU page of the Multipurpose Control & Display Unit (MCDU) with the PN on the software media. The PN on the PDL and the PN on the software media or on the LRU IDENTIFICATION and AOC MENU 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 Air Traffic Service Unit (ATSU):
1 Upload the ATSU software components in Para 4.
(b) If the access to the LRU IDENTIFICATION page is possible:
1 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 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 as follows:
(a) For the Honeywell AOC software component, do the procedure 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 on the AOC CONFIGURATION page: ATSU AOC SOFTWARE (22TX) ATSU AOC DATABASE SOFTWARE (24TX)

(b) For the Rockwell AOC software component, do the procedure 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 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 on the SYSTEM CONFIG page: ATSU AOC SOFTWARE (22TX) ATSU AOC DATABASE SOFTWARE (24TX)

(4) If you must upload software component 20TX or 30TX,
(a) Get access to the COMM CONFIG page.
1 On the MCDU MENU:
a Select ATSU.
b Select COMM MENU.
c Select COMM CONFIG.
(b) Print the COMM CONFIG page.
(c) Get access to the VHF3 SCAN SELECT page.
1 On the MCDU:
a Select VHF3 SCAN SELECT.
(d) Print the VHF3 SCAN SELECT pages before you upload the ATSU software.
(5) If all the references on the media are the same as the references on the MCDU, go to Para. 5. Close Up.
(6) If a minimum of one reference on the media is different from the references on the MCDU, go to Para. 4.A Preparation of the ATSU Software Components Upload.

4. Procedure

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 46-21-00-860-176-A ** ON A/C NOT FOR ALL

A. Preparation of the ATSU Software Components Upload
(1) The ATSU include several Software (S/W) components. Their upload must be done in the following order:

S/W ATSU A/C INTERFACE software component (20TX)
S/W ATSU CONFIGURATION software component (21TX)
S/W ATSU ROUTER PARAM software component (30TX).
And if installed:
S/W ATSU ATC UTILITIES software component (25TX)
S/W ATSU FANS A APPLICATIONS software component (35TX)
S/W ATSU ATC FANS B APPLICATIONS software component (36TX)
S/W ATSU ATC FANS APPLICATIONS (39TX)
S/W ATSU CMA CONFIGURATION software component (37TX)
S/W ATSU ATC ARINC 623 APPLICATIONS software component (23TX)
S/W AOC software component (22TX)
S/W AOC DATABASE software component (24TX)
S/W ATSU ISM APPLICATION software component (31TX)
S/W ATSU BRAKING ACTION COMPUTATION software component (42TX).

(2) For some ATSU configurations, if some components are possibly not uploaded, the order above must be followed.

Subtask 46-21-00-970-050-A ** ON A/C NOT FOR ALL

B. Upload of the ATSU Software Components (20TX, 21TX and 30TX)

CAUTION: DURING THE UPLOADING OF THE SOFTWARE COMPONENT(S) TO THE ATSU 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).

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.

(1) You must upload all the software components that follow in this sequence and one after the other:

First, the ATSU A/C INTERFACE software component (20TX)
Then, the ATSU CONFIGURATION software component (21TX) and ATSU ROUTER PARAMETERS software component (30TX).

(a) You can upload these last two softwares independently if the ATSU A/C INTERFACE software is uploaded.
(b) Between each software upload procedure:
1 On the PDL, set the ON/OFF switch to OFF.
2 Disconnect the PDL.
3 Connect the PDL again.

NOTE: The loading time for a full disk changes in relation to the software, the maximum loading time is 40 minutes.

(c) When you upload the software 30TX:
1 If the P/Ns of the software 20TX and 30TX are not compatible:
a It is necessary to upload the ATSU software 20TX and 21TX again.
(2) Do the procedure in the table that follows:

ACTION	RESULT
1.In the avionics compartment, on the PDL: Set the ON/OFF switch to ON.	On the PDL: The < < MDDU READY > > indication comes into view.
2.On the PDL: Put the disk into the disk drive.	On the PDL: The READY indication comes into view. Then, the WAIT RESPONSE indication comes into view. Then, the < < TRANSF IN PROG > > indication comes into view. NOTE: If more than one disk is necessary to do the upload, the EJECT DISK and INSERT NEXT DISK indications come into view one after the other. They tell the operator to put a new disk into the PDL. NOTE: If more than one disk is necessary to do the upload and if a transfer fault occurs, the upload must start from disk 1.
3.If a transfer fault occurs, wait for a minimum of three minutes: After you set the ON/OFF switch on the PDL to OFF and Before you start the upload of the software again. Then, the ATSU can complete its power-on self-test.
	On the upper ECAM DU: The COM ACARS FAULT or DATALINK ATSU FAULT warning comes into view.
	On the MCDU MENU page: The ATSU prompt does not come into view.
	On the PDL: When the upload is completed, the TRANSF COMPLETE indication comes into view.
4.On the PDL: Eject the disk from the disk drive. Do the same operation from step 2 to step 4 for each set of disks that you must upload.
In the avionics compartment: On the PDL, set the ON/OFF switch to OFF. Disconnect the cable of the PDL from ATSU DATA LOADER connector 183VC. Put the blanking cap on ATSU DATA LOADER connector 183VC.
	On the upper ECAM DU: The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view after approximately one minute. NOTE: When the PDL is disconnected, the ATSU does a power-on self-test. The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view at the end of this test.
	On the MCDU MENU page: The ATSU prompt comes into view. NOTE: If the ATSU router is not initialized, the ACARS STBY memo or the DATALINK ATSU FAULT + ATSU INIT FAULT warning comes into view on the upper ECAM DU.

Subtask 46-21-00-970-050-E ** ON A/C NOT FOR ALL

CAUTION: DURING THE UPLOADING OF THE SOFTWARE COMPONENT(S) TO THE ATSU 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).

B. Upload of the ATSU Software Component (20TX)

NOTE: The loading time for a full disk changes in relation to the software. The maximum loading time is 40 minutes.

(1) Do the procedure in the table that follows:

ACTION	RESULT
On the PDL, set the ON/OFF switch to OFF 1.In the avionics compartment, on the PDL: Set the ON/OFF switch to ON.	On the PDL: The < < MDDU READY > > indication comes into view.
2.On the PDL: Put the disk of the ATSU A/C INTERFACE software component (20TX) into the disk drive.	On the PDL: The READY indication comes into view. Then, the WAIT RESPONSE indication comes into view. Then, the < < TRANSF IN PROG > > indication comes into view. NOTE: If more than one disk is necessary to do the upload, the EJECT DISK and INSERT NEXT DISK indications come into view one after the other. They tell the operator to put a new disk into the PDL. NOTE: If more than one disk is necessary to do the upload and if a transfer fault occurs, the upload must start from disk 1.
3.If a transfer fault occurs, wait for a minimum of three minutes: After you set the ON/OFF switch on the PDL to OFF and Before you start the upload of the ATSU A/C INTERFACE software component again. Then, the ATSU can complete its power-on self-test.
	On the upper ECAM DU: The COM ACARS FAULT warning comes into view.
	On the MCDU MENU page: The ATSU prompt does not come into view.
	On the PDL: When the upload is completed, the TRANSF COMPLETE indication comes into view.
4.On the PDL: Eject the disk from the disk drive.
In the avionics compartment: On the PDL, set the ON/OFF switch to OFF. Disconnect the cable of the PDL from ATSU DATA LOADER connector 183VC. Put the blanking cap on ATSU DATA LOADER connector 183VC.
	On the upper ECAM DU: The COM ACARS FAULT warning goes out of view, after approximately one minute. NOTE: When the PDL is disconnected, the ATSU does a power-on self-test. The COM ACARS FAULT warning goes out of view at the end of this test.
	On the MCDU MENU page: The ATSU prompt comes into view. NOTE: If the ATSU router is not initialized, the ACARS STBY memo comes into view on the upper ECAM DU.

Subtask 46-21-00-970-108-A ** ON A/C NOT FOR ALL

CAUTION: DURING THE UPLOADING OF THE SOFTWARE COMPONENT(S) TO THE ATSU 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).

C. Uploading of the ATSU ATC Applications.

NOTE: If an uploading is in progress, 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 or/and 23TX.
(a) If it is not necessary to upload these software components, go directly to the next Para.
(2) Upload the applicable ATSU software component(s) that follow in this sequence:

ATC HMI UTILITIES software (25TX)
ATSU ATC FANSA APPLICATIONS software (35TX)
ATSU ATC FANSB APPLICATIONS software (36TX)
ATSU ATC FANSC APPLICATIONS software (39TX)
ATSU CMA CONFIGURATION software (37TX)
ATSU ATC ARINC 623 APPLICATIONS software (23TX).

NOTE: The loading time for a full set of disks is approximately twelve minutes.

(a) Between each software uploading procedure:
1 On the PDL, set the ON/OFF switch to OFF.
2 Disconnect the PDL.
3 Connect the PDL again.
(3) Do the procedure given in the table that follows:

ACTION	RESULT
1.In the avionics compartment, on the PDL: Set the ON/OFF switch to ON.	On the PDL: The < < MDDU READY > > indication comes into view.
2.On the PDL: Put the disk into the disk drive.	On the PDL: The READY indication comes into view. Then, the WAIT RESPONSE indication comes into view. Then, the < < TRANSF IN PROG > > indication comes into view. NOTE: If more than one disk is necessary to do the uploading, the EJECT DISK and INSERT NEXT DISK indications come into view one after the other. They tell the operator to put a new disk into the PDL. NOTE: If more than one disk is necessary to do the uploading and if a transfer fault occurs, the uploading must start from disk 1.
3.If a transfer fault occurs, wait for a minimum of three minutes: After you set the ON/OFF switch on the PDL to OFF Before you start the uploading of the ATSU software again. Then, the ATSU can complete its power-on self-test.
	On the upper ECAM DU: The COM ACARS FAULT warning comes into view.
	On the MCDU MENU page: The ATSU prompt does not come into view.
	On the PDL: When the uploading is completed, the TRANSF COMPLETE indication comes into view.
4.On the PDL: Eject the disk from the disk drive. Do the steps 2 thru 4 for each set of disks that you must upload.
	In the avionics compartment: On the PDL, set the ON/OFF switch to OFF. Disconnect the cable of the PDL from ATSU DATA LOADER connector 183VC. Put the blanking cap on ATSU DATA LOADER connector 183VC.
	On the upper ECAM DU: The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view after approximately one minute. NOTE: When the PDL is disconnected, the ATSU does a power-on self-test. The COM ACARS FAULT warning goes out of view at the end of this test.
	On the MCDU MENU page: The ATSU prompt comes into view. NOTE: If the initialization of the ATSU router does not occur, the ACARS STBY memo or the DATALINK ATSU FAULT + ATSU INIT FAULT warning comes into view on the upper ECAM DU.

Subtask 46-21-00-970-062-A ** ON A/C NOT FOR ALL

D. Upload of the ATSU AOC Applications

CAUTION: DURING THE UPLOADING OF THE SOFTWARE COMPONENT(S) TO THE ATSU 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).

(1) You must upload all the software components that follow in this sequence and one after the other:

AOC SOFTWARE software component (22TX)
Then, the AOC DATABASE software component (24TX).

NOTE: The loading time for a full disk is 40 minutes maximum.

(a) Between each software upload procedure:
1 On the PDL, set the ON/OFF switch to OFF.
2 Disconnect the PDL.
3 Connect the PDL again.
(b) During the upload of the software component (24TX) customized:
1 If you disconnect the PDL before the TRANSF COMPLETE or TRANSF FAILED indication comes into view:
a You must upload again all the software in the ATSU (this is not applicable to FIN 20TX).
(c) If software components 22TX and 24TX were uploaded before and if it is necessary to upload:

First, ATSU A/C INTERFACE software component (20TX)
Then, all the next ATSU software components.

(2) Do the procedure in the table that follows:

ACTION	RESULT
1.In the avionics compartment, on the PDL: Set the ON/OFF switch to ON.	On the PDL: The < < MDDU READY > > indication comes into view.
2.On the PDL: Put the disk into the disk drive.	On the PDL: The READY indication comes into view. Then, the WAIT RESPONSE indication comes into view. Then, the < < TRANSF IN PROG > > indication comes into view. NOTE: If more than one disk is necessary to do the upload, the EJECT DISK and INSERT NEXT DISK indications come into view one after the other. They tell the operator to put a new disk into the PDL. NOTE: If more than one disk is necessary to do the upload and if a transfer fault occurs, the upload must be start from disk 1.
3.If a transfer fault occurs, wait for a minimum of three minutes: After you set the ON/OFF switch on the PDL to OFF and Before you start the upload of the software again. Then, the ATSU can complete its power-on self-test.
	On the upper ECAM DU: The COM ACARS FAULT or DATALINK ATSU FAULT warning comes into view.
	On the MCDU MENU page: The ATSU prompt does not come into view.
	On the PDL: When the upload is completed, the TRANSF COMPLETE indication comes into view.
4.On the PDL: Eject the disk from the disk drive. Do the same operation from step 2 to step 4 for each set of disks that you must upload.
5.In the avionics compartment: On the PDL, set the ON/OFF switch to OFF. Disconnect the cable of the PDL from ATSU DATA LOADER connector 183VC. Put the blanking cap on ATSU DATA LOADER connector 183VC.
	On the upper ECAM DU: The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view after approximately one minute. NOTE: When the PDL is disconnected, the ATSU does a power-on self-test. The COM ACARS FAULT or DATALINK ATSU FAULT warning goes out of view at the end of this test.
	On the MCDU MENU page: The ATSU prompt comes into view. NOTE: If the ATSU router is not initialized, the ACARS STBY memo or the DATALINK ATSU FAULT + ATSU INIT FAULT warning comes into view on the upper ECAM DU.

Subtask 46-21-00-280-151-A ** ON A/C NOT FOR ALL

E. Check 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 the references below the software indications are the same as the references 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) ASTU 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 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 below the software indications are the same as the references on the related media. The references 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 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 below the software indications are the same as the references on the related media. The references on MCDU will be in the list that follows: ATSU AOC software component (22TX) ATSU AOC DATABASE software component (24TX).

Subtask 46-21-00-280-152-A ** ON A/C NOT FOR ALL

F. Do the Initialization Procedure of the ATSU Router
(1) If you uploaded a S/W ATSU A/C INTERFACE software component (20TX), do the initialization of the ATSU router (Ref. AMM TASK 46-21-00-860-001).

5. Close-up
Subtask 46-21-00-860-061-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.
(2) On the MCDU, fully decrease the brightness of the MCDU screen (display off).
(3) Put the disk(s) in the disk storage box.

Subtask 46-21-00-410-052-A ** ON A/C NOT FOR ALL

B. Close Access
(1) Make sure that the work area is clean and clear of tools and other items.
(2) Close access door 824 (Ref. AMM TASK 52-41-00-410-002).
(3) Remove the access platform(s).

Subtask 46-21-00-862-053-A ** ON A/C NOT FOR ALL

C. 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