Rohde & Schwarz 4901.1704.02 TSME6-ZCS2 AUX TO AUX/BNC/SMA CABLE Adapter cable (150 cm) to connect an external clock (10 MHz) via BNC or PPS pulse via SMA to the TSMx6 for high precision time synchronization. A second TSMExxDC or TSMx6 can be synchronized addtionally (optional)...