Mitel 3300 ICP Hardware User's Manual page 219

System ID Module
250 User and 700 User Controllers
To remove and replace the System ID Module in the 250 User and 700 User Controllers:
1. Remove the cover.
2. Remove the module from the board. The module is located between Slot 1 (the Dual FIM)
and Slot 8 (the DSP).
3. Replace the module between Slot 1 and Slot 8.
4. Replace the cover.
Release 3.3
Install Upgrades and FRUs
211