I believe my Xincom 502 can translate them to the DMZ. I didn't see any way to get them onto the LAN. But then, I may have missed something.
I suspect that you would need a command language router, such as the Zyxel 35 or 70 or various Cisco offerings. Unfortunately, they cost a bunch more than a 502.
You may want to ask the question in the Networking forum.
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