Field Replaceable Units - Mitel 3300 ICP Hardware User's Manual

3300 ICP Hardware User Guide

Field Replaceable Units

Controller FRUs
Remove the Cover
Note: Ensure that you have read the Safety Instructions before carrying out these
procedures.
WARNING: Before any servicing that requires the case to be removed, the power to the
system must be removed by disconnecting the system plug from the power supply. All
PSTN/Network connections must also be removed before opening the case.
WARNING: Servicing of this unit shall be performed by suitably-qualified, trained
technicians who are fully aware of the safety requirements contained in the Hardware
User Guide.
To remove the 3300 ICP Controller cover:
1. Turn off the power to the unit.
2. Disconnect all cables.
3. Remove the 3300 Controller from the rack and place it on a suitable work area.
4. Remove the front face-plate (this will clip off).
5. Turn the 3300 Controller over gently, keeping the front panel facing forward.
6. Remove the two screws from the underside of the 3300 Controller.
7. Turn the 3300 Controller the right side up and rotate until the back of the unit is facing
forward.
8. Remove the two screws from the back panel.
9. Slide the cover forward until it catches, then tilt the cover upward to remove it.
10. Turn the 3300 Controller until the front panel is toward you.
Replace the Cover
To replace the 3300 ICP cover:
1. Turn the 3300 Controller until the back panel is facing forward.
2. Lift the lock for the AC power cord and place the shell at an angle to hook onto the back
of the unit.
3. Straighten and slide the cover forward as far as it will go.
4. Secure the shell by inserting and snugly securing the two screws on the back panel.
5. Rotate the 3300 Controller until the front panel is facing forward.
6. Turn the 3300 Controller gently upside down.
7. Secure the screws on the bottom front of the unit.
208 Release 3.3