ISPSoft User Manual on the left can be replaced, while the main redundant backplane on the right is configured to mirror the left and cannot be modified. 3.2.2.13 Cut/Copy/Paste an Expansion Backplane and Redundant Expansion Rack There are two ways to copy or cut an expansion backplane (the main backplane cannot copy/cut/paste): Method 1 Right-click the left side of a backplane to copy or cut, and then click Copy or Cut on the context menu. 3-148