Rohde & Schwarz I/Q IF option for CMU-200 (B17) or CRTU-RU (B7) Complete with all micro SMB cables for the CMU-200, for the A3 RX/TX module, you should be able to use your current cables at A3-X39 and A3-X37, these cables are not supplied. However, if needed I can include 2 connection cables if you have a customized configuration. BNC sockets for the back panel and connections for the CMU-200 to the I/Q module as follows: A5-X500 REF 3 OUT BNC (normaly not used) A5-X501 A10-X108 A5-X502 A7-X703 A5-X513 A3-X39 A5-X514 RX OUT BNC A5-X516 A7-X706 A5-X517 RX IN BNC A5-X518 A7-X708 A5-X519 TX IN BNC A5-X521 TX OUT BNC A5-X522 A3-X37 This unit comes from a CRTU-RU. the main difference between CMU-200 and CRTU-RU board is that the CRTU-RU board has support for an additional RX/TX module (RX/TX channel 2) The I/Q board will be detected automatically on install and will be visible under Connection Control Fully working The unit received will be exactly similar to the stock picture (have multiple units) .