Keysight 34921A-34925A Low Frequency Multiplexer Modules User’s Guide 35Low Frequency Multiplexer Modules34923A Simplified Schematic for One-Wire ModeThis drawing shows two independent 40-channel 1-wire MUXes.To change configuration modes, use the SYSTem:MODule:WIRE:MODEcommand.The three-digit number assigned to each switch represents thechannel number.Bank Relays: Reed non-latching; Analog Bus Relays: Armaturenon-latchingABus2DMM(SENS)ABus3 ABus4ABus1DMM(MEAS)H H H H021022023024025026027028029030011012013014015016017018019020031032033034035036037038039040001002003004005006007008009010911 912 913 914921 922 923 924H L H L H LH LH L071072073074075076077078079080061062063064065066067068069070051052053054055056057058059060041042043044045046047048049050H H H HH LH L H L H L H L100100100100100100100 100100100 100100Bank 1Bank 2COM 1COM 2Analog BusesArtisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com