Rigol MC3132 Instrument Options - MUX32 ModuleMUX32 Module MC3132 MUX32 Module 32 channel Multiplexer Rigol MC3132 MUX32 Module 32 channel Multiplexer. 32 channel differential Multiplexer module for use with M300 DAQ System Mainframe and MC3065 DMM module. Configurable for 2 or 4 wire measurements. The M3TB32 is the mating terminal block for this module. MC3132 (32 Channel Multiplexer): All 32 channels switch both HI and LO inputs, thus providing fully isolated inputs to the DMM module. MC3132 is