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Avionics system of an aircraft comprising line replaceable units that can exchange messages between them and device for monitoring such an avionics system
Avionics system of an aircraft comprising line replaceable units that can exchange messages between them and device for monitoring such an avionics system
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机译：飞机的航空电子系统，包括可在其与用于监视这种航空电子系统的设备之间交换消息的线路可更换单元
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摘要
An aircraft avionics system comprising rack mounted line replaceable units that exchange messages between them via a bus. The avionics system comprises a monitoring device arranged in the rack comprising a connector electrically linked to the bus and into which a rack mounted line replaceable unit is plugged, to be electrically linked to the bus. The monitoring device also monitors the messages exchanged, via the bus, between the line replaceable unit plugged into its connector and other units of the avionics system. The monitoring device comprises an acquisition unit to acquire signals transmitted or received by the line replaceable unit plugged into the connector during the exchange of messages with at least one other unit of the avionics system, for converting the signals into storable digital data and for assigning clock data to the data, and a storage unit for storing the storable digital data and the clock data.
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