Mad Scientist Posted April 17, 2016 Share Posted April 17, 2016 Hello folks, Please can anyone tell me how the red Control Box R.C.D.M. fitted into the vehicle harness and what is was used for. Currently on evilbay (401106681577). NSN 5820-99-900-9092. thanks, Jeremy aka Mad Scientist Quote Link to comment Share on other sites More sharing options...
Chris Suslowicz Posted April 17, 2016 Share Posted April 17, 2016 Hello folks, Please can anyone tell me how the red Control Box R.C.D.M. fitted into the vehicle harness and what is was used for. Currently on evilbay (401106681577). NSN 5820-99-900-9092. thanks, Jeremy aka Mad Scientist You are very unlikely to need it. RCDM stands for Remote Control Digital Modulation, and allowed the "DM" box to be controlled (in a limited fashion) over a 4-wire link. It was part of the Secure Speech setup from the Larkspur era, using SR C42, the DM and "Goodman" boxes and the BID 150 encryption unit. This appears to be the later Clansman version for CSSH (Clansman Secure Speech Harness) that goes with the VRC-353, the DMU and BID 250 encryption module. Chris. Quote Link to comment Share on other sites More sharing options...
Mad Scientist Posted April 17, 2016 Author Share Posted April 17, 2016 Dear Chris, Many thanks, I am very grateful. Easy to buy a big red box because it looks good and then wonder what to do with it, but even better to be told exactly what it is and what it does. This forum is fantastic, thanks again for your reply. cheers! Jeremy Quote Link to comment Share on other sites More sharing options...
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