The operation procedure is as follows:
1) Log in to the BSC6000 Local Maintenance Terminal.
2) Right-click the site and choose Add or Delete Site Board on the shortcut menu.
The Add or Delete Site Board dialog box is displayed.
3) Click Add or Delete Site Board.
4) Right-click the IASU to be deleted.
5) Choose Delete Board on the shortcut menu and click ok, and then click Finish.