| 摘要 |
The invention relates to a data processing unit (2) comprising at least one data program unit (105) by means of which it is arranged to obstruct data communication between the data processing unit (2) and an additional unit (3) connected to the data processing unit (2). Preferably, condition information (106) is stored in the data processing unit, the data processing unit is arranged to establish work information (107) relating to at least one operative circumstance, the data program unit (105) is arranged to compare the work information (107) with the condition information (106) and the data program unit (105) is arranged to, based on the result of the comparison, make a decision on which the obstruction of data communication between the data processing unit (2) and the additional unit (3) is dependent. |
