Beckman Coulter System Gold Remote Interface Module (p/n 239310) The interface module provides interface to input/output connector on System Gold?? modules. For fraction collectors, integrators, and other relay-controlled hardware. Sold as a stand-alone module or as part of the Beckman Gold HPLC System. Pictured above with the Beckman Gold HPLC. Please contact us for complete Beckman 125 solvent module unit, warranty and service contract details.