Hi, Jay! jay-anna wrote: > To Robert or anyone out there, could you give a brief description of how > this circuit works and will it work on a slave machine networked to a > main box running Falcon yes, it works like this. all you need is Erwin's marvellous F4DataMirror, which can be downloaded at www.eagle9.nl . I'm actually going this way, and it works fine. greetings michi