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Operating With a Failed Module

When a module fails, if it has a protection module assigned, all functionality of the primary module is transferred to the protection module. Any functionality assigned to the protection module at that time is abandoned by the protection module. For this reason, it is best to assign protection modules to lower-priority functions.

When you configure a slot that has failed, you are actually configuring the protection module, rather than the failed module. In this way, switching functions should be seamless, and those functions are returned to the primary module when it is returned to service.