Adding an AEM to a column 47Application Equipment ModuleInstallation guideAdding an AEM between two other modulesProcedure 11xxxAdding an AEM between two other modules1 Remove the rear grill on the pedestal and set all circuit breakers to OFF(down).2 Remove the module that will be above the AEM:a. Remove all the covers on the rear of the modules that will beabove and below the AEM.b. Disconnect the power connectors between the modules (seeFigure 21).c. Disconnect the system monitor cable from connector J1 in themodule that will be above the AEM (see Figure 21).d. Use a 9/16” socket wrench to remove the five mounting bolts thatsecure the module above (see Figure 22) and lift it off the column.3 Position and secure modules:a. Locate the positioning guides on what is now the top module in thecolumn (see Figure 23). Make sure the AEM is facing the samedirection as the column.b. Place the AEM on top of the column and adjust it until it is seatedsecurely on the positioning guides.c. Secure the mounting bolts on the module.d. Place the removed module on top of the AEM and secure it withthe mounting bolts.4 Connect the power and system monitor cables between modules:a. Remove all the covers on the rear of the AEM.b. Connect the power connectors between the AEM and the modulesabove and below it.c. Connect the system monitor cable from connector J2 in the modulebelow to J1 in the AEM.d. Connect the system monitor cable from J2 in the AEM to J1 in themodule above.5 See theApplication Module installation and upgrade guide(553-3201-210) for instructions on installing the Application Moduleand powering up the column.