Cx/Cxi - Mitel 3300 Technician's Handbook

3300 ICP Technician's Handbook
Figure 41: AMB with new cable for MXe Controller

CX/CXi

To add or replace the analog main board (AMB) in a CX or CXi:
1. Remove the screw that secures the faceplate to the back panel.
2. Remove the Analog Option Board, if one has been installed.
3. Disconnect the power supply cable on the AMB.
4. Remove the narrow flex cable on the AMB (not from the main board)
by flipping up the clip on the connectors at each end of the cable.
5. Remove the Analog Main Board.
6. If you are replacing the AMB with an AMBv3, the replacement kit will
include a new label that identifies the protected ports. Discard the label.
7. Insert the new Analog Main Board.
8. Replace the narrow flex cable by sliding it under the guides on the side
and up into the connector. Flip the clip down to secure the cable.
9. Reconnect power cable to the new AMB.
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