RXB1 Binary extension boxBinary output extension Extends CMC test sets with four binary relay outputs, each with a normally open (N. O.) and a normally closed (N. C.) contact Accessories: User Manual Connection cable to CMC test set CMC Product Page CM Line Catalog with Order Information in the back Search OMICRON website for "RXB1 Binary extension box" For questions about compatibility with your OMICRON device and your application, please call 1 800 OMICRON and press 1 for