
Chapter 4 Installation and Setup
Cajun P120 User’s Guide 19
Installing Expansion ModulesCaution: The expansion modules contain components sensitive to electrostatic
discharge. Do not touch the circuit board unless instructed to do so.
To install an expansion module:
1 Remove the blanking plate or other module (if installed).
2 Insert the module gently in the slot, ensurin g that the board is aligned with the
rails.
3 Press the module in firmly until the connector at the back of the module is
completely inserted into the internal Cajun P120 connector.
4 Gently tighten the two screws on the front panel of the expansio n module by
turning the knobs.
5 We recommend that you reset the Cajun P120.
To remove an existing expansion module:
1 Loosen the two screws on the front panel of the expansion module by turning
the knobs.
2 Grasp the two knobs one near each side of the front panel, and pull gently but
firmly towards yourself.
Note: The Cajun P120 switch must not be operated with the expansion slot
uncovered; the expansion module should be covered with the supplied blanking
plate if necessary.
3 Insert another expansion module or the blanking plate.
4 We recommend that you reset the Cajun P120.