ARINC664 End System Equipment implements ARINC664 part 7 and provides interface between aircraft LRUs and ARINC664 network. It offers an adaptation between RS-422/ARINC664 and Ethernet/ARINC664. In this manner, four RS-422 ports and one Ethernet port are added to the design such that an easy adaptation can be done when a customer wants to use LRUs with flight heritage. Equipment also has a test mode that measures the latency occurred on messages of the relevant VL number.

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