![]() You would need to wire the PI's UART to a cable with an RJ45 plug, using a MAX232 or similar depending on the protocol polarity and voltages, or use a USB-to-serial adapter which I imagine is what the interface you linked to is. It's not recommended to use connectors other than what they would normally be expected to be used for, but there is nothing which disallows that or prevents it being done. Using RJ45 connectors for a serial connection because that's convenient or compact, or to make it more proprietary is not uncommon. It is probably best to post a link to that documentation so people can help but it does seem to me that it is, as guessed, serial using RJ45 sockets for connection, not a connection for ethernet. The documentation specifies that it only receives serial data on pin 6 of the RJ-45 connector. Sat 12:01 amI do believe the actuator has a serial interface which is configured as an RJ-45 port. ![]()
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