Issue 1 July 2006 207
Chapter 13: Maintenance
Introduction
This section provides basic maintenance information for the C360 and its components. For
issues that are not covered in this chapter or in Chapter 12: Troubleshooting the Installation
please contact your Avaya representative.
!CAUTION:
CAUTION: Please refer to Before you Install the Avaya C360 before undertaking any of the
procedures detailed in this section.

Replacing the Stacking Module

To replace the X360STK stacking module:
1. Power to the switch may remain on.
2. Loosen the screws to the stacking module by turning the knurled knobs anti-clockwise.
3. Take hold of the two knobs (one nea r each sid e of the f ront panel) and pull gently but firmly
towards yourself.
4. Insert the new stacking module gently into the slot, ensuring that the PCB (printed circuit
board) is aligned with the guide rails.
5. Press the stacking module in firmly until it is completely inserted into the C360.
!CAUTION:
CAUTION: Ensure that the screws on the module are properly aligned with the holes in the
chassis before tightening them.
!CAUTION:
CAUTION: To prevent EMI, cover any unused ports on the stacking modules using the grey
plugs provided. Insert the plug labelled "left" into the lower port; insert the plug
labelled "right" into the upper port.
6. Tighten the two screws on the side panel of the stacking module by turning the knurled
knobs clockwise.