TEKTRONIX – Interface cableBelieved to be intended for use with the K1205/K1297 Communication Protocol Analysers – the PRIMO VME Bus expansion board.Part # C73249-A12-B153Sealed packet, NEW but old stockDB9 Male (FHM1 metal connector) at one end going to 2 cables which are terminated with bantam TRS jack plugs – typically used for audio or communications patch panelsThe Tektronix communications protocol analysers (now discontinued) were designed for the monitoring of both mobile and fixed communication voice and data (SMS) networks