The connection block 34921T is intended to connect signal lines for measurement and thermocouples to the multiplexer 34921A (40-channel) or the LXI insert L4421A. This block contains a thermocouple reference to compensate for the thermal offset and the resulting errors.
The block is designed for discrete wiring to connect wires with up to 20 AWG for approx. <100 connection changes or 24 AWG for> 100 connection changes. The block can be attached to the multiplexer and secured with screws. It is therefore a flexible and simple method to do the wiring yourself.