3 Maintain the ATCA Subrack
3.7.2 Remove Board
To remove a board:
1. Identify the board to be replaced. Refer to Board/Area/Slot/SBL Mapping
(Section 1.3) for details.
2. From BSC terminal or OMC-R disable/lock the corresponding board.
3. Unfasten screws of front plate until board is detached from shelf.
4. Move the ejector handles outwards.
5. Remove board from shelf.
3.7.3 Replace Battery
To replace the battery:
1. Remove the board from its slot.
2. Remove old battery.
PCB and battery holder damage
Removing the battery with a screw driver may damage the PCB or the battery
holder.
To prevent this damage, do not use a screw driver to remove the battery
from its holder.
3. Locate the ’+’ sign on the new battery. It indicates the positive terminal
of the battery.
4. Insert the battery into the blade’s battery holder in such a way that the ’+’
on top of the battery is face up.
5. Insert the board in the initial slot.
3.7.4 Insert Board
To insert a board:
1. Ensure that the top and bottom ejector handles are in the outward position.
2. Insert board into the shelf by placing the top and bottom edges of the board
in the card guides of the shelf. Ensure that the guiding module of shelf
and board are aligned properly.
3. Slide the board into the shelf until you feel resistance.
4. Wait until the blue LED is illuminated.
5. Simultaneously move the top and bottom ejector handles to the inward
position.
The blue LED blinks. After some seconds the blue LED is switched OFF.
6. Wait until the blue LED is illuminated again.
7. From BSC terminal or OMC-R initialize/unlock the corresponding board.
The blue LED is switched OFF.
8. Tighten the front plate screws which secure the board to the shelf.
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3BK 21281 AAAA PCZZA Ed.13
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