When a board is plugged, the system assigns numbers to the board equipment (user directory
numbers or line numbers); these numbers are assigned in ascending order of free system
numbers. The board equipment is initialized with the corresponding default configuration.
When a board is plugged into a slot previously taken up by another board, this board is
managed in the following way:
- if the new board is of the same type (same scan point) as the board previously plugged,
the new board is assigned the same data (numbers and configuration) as the previous
one.
- if the new board is different from the previous one, the system deletes the previous board
and associated data (the numbers assigned are now available and the default
configuration is cancelled). The new board is then recognized as if it was plugged into a
free slot (the equipment numbers are assigned in ascending order and the board initialized
with the default configuration corresponding to the new board type).
3.1.2.2 Unplugging a Board
In general, unplugging a board from the module does not trigger an update of the data
assigned to the board (directory numbers, key programming, line parameters, etc.) ; the
unplugged board is considered as "absent and accepted" (it is taken included when the system
checks the equipment limits) as long as no other board is plugged into this slot or a cold reset
performed on the system.
3.1.3 System with a Software Version from R2.0
All boards, except the CPU board, can be plugged/unplugged when the system is in operation.
Before unplugging the CPU board, perform a clean shutdown and switch the board to Off.
Interface boards can be replaced when the system is in operation, provided their OBC's
version allows it (version legible by OMC -> Hardware and Limits).
- from the 2.006 version for old boards.
- from the 3.003 version for the APA, LANX-1, UAI16-1, SLI-1 boards.
3.1.3.1 Plugging a Board
- Plugging a board in an unused environment:The board is considered as "present,
accepted or refused"; it depends on the various configuration settings: authorized or
unauthorized slot, equipment limits, software keys, etc. A "present and accepted" board is
taken into account by the system.
- Plugging a board into a slot which was previously used by a similar board with the
same number of interfaces or accesses: The data related to the old board are not
deleted; the new board is considered as "present, accepted or refused" with the same
number of accesses or interfaces as the previous board.
- Plugging a board into a slot which was previously used by a different board or by a
similar board with a different number of interfaces or accesses: All the data related to
the old board are deleted; the new board is then considered as if it had been plugged in a
new slot.
3.1.3.2 Unplugging a Board
If the board is unplugged when it is in "present and accepted" status, it is deactivated and
declared "absent"; the other data related to the board configuration remain unchanged. The
Chapter
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