https://www.systerra.de/RCEI-530.html
Available in a range of configurations to match your needs, the 32 channel RCEI-530 provides complete, integrated databus functionality for ARINC 429, ARINC 575 and selected 2-wire, 32-bit protocols.
RCEI-530 Datasheet (PDF)
https://www.systerra.de/downloads.php?dokument=788