The Keithley 2600-TRIAX adapter assembly provides pathways from an SMU terminal block located on the Model 260x rear panel to three separate Triax connectors.
This Triax adapter is designed for use with the following SMUs:
Model 2635B Single-Channel System SourceMeter Instrument - 63-0490
Model 2636B Dual-Channel System SourceMeter Instrument - 63-0491