ISPSoft User Manual 3.2.2.10 Add Expansion Backplane and Redundant Expansion Backplane For AH series, there are two ways to add expansion backplanes: Method 1 Choose a backplane model from the Product List and drag to System Configuration area; when the backplane is dropped onto the blank workspace area, the new backplane is placed underneath the present one. When the backplane is dropped onto an existed backplane, the new backplane is placed on top of the present one. 3-140