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Chapter 17 Maintenance
70 Avaya P333R-LB User’s Guide
Saving Configuration Definitions
1 Turn off the power supply.
2 Remove an expansion sub-module.
3 Insert another expansion sub-module.
4 Turn on the power supply.
Without Saving Configuration Definitions
1 Loosen the screws by turning the knobs.
2 Take hold of the two knobs (one near each side of the front panel) and pull
gently but firmly towards yourself.
3 Insert another expansion sub-module or the blanking plate.
Replacing the Stacking Sub-module
To replace the X330STK stacking sub-module:
1 Power to the switch may remain on.
2 Loosen the screws to the stacking sub-module by turning the knobs.
3 Take hold of the two knobs (one near each side of the front panel) and pull
gently but firmly towards yourself.
4 Insert the new stacking sub-module gently into the slot, ensuring that the metal
base plate is aligned with the guide rails.
The metal plate—not the PCB of the X330STK— fits onto the guide rails.
5 Press the sub-module in firmly until it is completely inserted into the
Avaya P330.
Caution: Ensure that the screws on the module are properly aligned with the holes
in the chassis before tightening them.
6 Gently tighten the two screws on the side panel of the stacking module by
turning the screws. Do not use excessive force when tightening the screws.