46 Adding an AEM to a column553-3201-200 Standard 1.0 April 1993Adding an AEM to the base of a columnProcedure 10xxxAdding an AEM to the base of a column1 Remove the rear grill on the pedestal and set all circuit breakers to OFF(down).2 Remove the module above the pedestal:a. Remove all the covers on the rear of the module.b. Disconnect the power connector to the pedestal (see Figure 21).Note: You must press a latch trip on the front and rear of the plug.You may need to use a screwdriver blade against the latch trip onthe front of the plug.c. Disconnect the system monitor connector to the pedestal (seeFigure 21).d. Use a 9/16-inch socket wrench to remove the five mounting boltsthat secure the module (see Figure 22) and lift it off the column.3 Position and secure modules:a. Locate the positioning guides on the pedestal (see Figure 23).Make sure the AEM is facing the same direction as the column.b. Place the AEM on the pedestal and adjust it until it is seatedsecurely on the positioning guides.c. Secure the mounting bolts on the AEM.d. Place the removed module on top of the AEM and secure it withthe mounting bolts.4 Connect the power and system monitor cables:a. Remove all the covers on the rear of the AEM.b. Connect the power connectors in the AEM to the pedestal and tothe module above (see Figure 21).c. Connect the system monitor cable from the pedestal to connectorJ1 on the AEM.d. Connect the system monitor cable from connector J2 in the AEM toJ1 in the module above.5 See theApplication Module installation and upgrade guide(553-3201-210) for instructions on installing the Application Moduleand powering up the column.