Cx Ii/Cxi Ii - Mitel 3300 Technician's Handbook

3300 ICP Technician's Handbook
Figure 45: Screws and Standoffs on the Analog Option Board

CX II/CXi II

Add an AOB to a CX II or CXi II controller to increase LS CLASS circuits
from 6 to 12 and ONS CLASS circuits from 4 to 8 (see page 251).
To add or replace an AOB in a CX II/CXi II:
1. Power down the controller and remove the controller cover; see pages
47 and 129.
2. If adding the AOB, remove the blanking panel from the back of the
controller.
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Figure 46: Remove Blanking Panel