/members-area/personalblogs/b/nexgen-flight-simuator/posts/radio-set-control-unit-c-3436a-arn-30d-in-atr-pollyHere is what the current interface is; I have installed the prototype cards into an ATR.poly slave. It has 2 RJ45 for the RS-485 which is almost wired pin for pin. I use T-586B for my RJ45 (yellow RS-485) links downstream and upstream, as well as 2 Den-USTelligent Community 12https://community.element14.com/members-area/personalblogs/b/nexgen-flight-simuator/posts/radio-set-control-unit-c-3436a-arn-30d-in-atr-pollyFri, 14 Jun 2019 19:57:28 GMT93d5dcb4-84c2-446f-b2cb-99731719e767:3cb52e72-4ffd-410d-aac9-5aec342937d6DAB0<p>Now that brings back some memories.</p><p>&nbsp;</p><p>DAB</p><img src="https://community.element14.com/aggbug?PostID=7279&AppID=300&AppType=Weblog&ContentType=0" width="1" height="1">