The 32559 provides a 15 in. cable and a 12 in. cable. These cables connect the TDR200 reflectometer or an SDM8X50-series multiplexer to the datalogger.
The included SDM connector consists of five screw terminals and mates with the SDM connector on the TDR200. It also provides the 12V, GND, C1, C2, and C3 terminals for the TDR200.
The 32559 is shipped with the TDR200.