摘要 |
<p>An on-board telecommunication system, partitioned into a secure area and a non secure area, including at least a first telecommunication equipment unit in the secure area, a second telecommunication equipment unit in the non secure area, and a first one-way link from the first to the second equipment. The first equipment unit is configured to transmit data on the first link according to a first protocol. The system further includes a second link from the second to the first equipment unit, in accordance with a second protocol, the first two layers of which are distinct of those of the first protocol, the second equipment configured to transmit data on the second link as messages in accordance with the first protocol and encapsulated in frames in accordance with the second protocol.</p> |