A surgical instrument is inserted through a guide tube. A base station may be in communication with one or more subscriber stations. The outputted list includes link information to maintenance information in the maintenance databases 2, 3, 4, and 5, corresponding to structured information records which are included in this list. The signal is output during operation of the expansion card such that the hardware fault occurring on the expansion card is simulated. At least one rule of the ruleset is defined directly against the workflow.