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Maintenance
Draco tera enterprise
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13.1.3 Replacing an I/O-Board
NOTICE
Damaged I/O board due to by switching off the matrix during replacement process
When replacing an I/O board, the new one will automatically receive the current configuration of the
replaced I/O board. Therefore, it is necessary to perform a correct de-registration of the I/O board to be
replaced and a correct registration of the new I/O board. Switching off the matrix during the replacement
process may cause a disfunction or a damage of the I/O board.
Observe the steps described in this chapter.
Wait until the old board has been de-registered and the new board has been registered.
Do NOT switch off the matrix while replacing the I/O board replacement.
The replacement of I/O boards is described using the Cat X I/O board as an example.
Fig. 233 Interface side - Draco tera Cat X I/O board
1 Controller board status LED 1
2 Controller board status LED 2
3 Locking pin
To replace an I/O board, proceed as follows:
1. Pull the locking pin slowly out of the I/O board up to the stop.
Wait until the LED 1 illuminates solid green and the LED 2 flashes red (de-registration confirmed, see
2. Remove all cables from the I/O board.
3. Pull the I/O board out of the corresponding slot by using the locking pin.
4. Push a new or maintained I/O board into the slot.
5. Push the locking pin completely in.
A successful registration of the I/O board will be shown by a permanent green flashing LED 1.
6. Connect all cables to the I/O board according to the replaced board.