38 Keysight 34921A-34925A Low Frequency Multiplexer Modules User’s GuideLow Frequency Multiplexer Modules 34923A 40/80-Channel Reed Multiplexer34923T-002 Terminal Block for One-Wire ModeThis terminal block with screw-type connections is labeled with the modelnumber and the abbreviated module name. In addition, space is available on thelabel for you to write the slot numberThe 34980A Product Reference CD (shipped with the instrument) contains a34923T (1-wire mode) Wiring Log for you to document your wiring configurationfor this module. You can open the wiring log file in Microsoft® Excel® or Adobe®Acrobat® format.All modules that connect to the internal DMM are interlockprotected. This means that when an installed module isexposed(no terminal block or cable is connected), the Analog Busrelays are open and disconnected from the Analog Buses.See “Safety Interlock” on page 11 for further information.If you are using an Keysight terminal block to connect yourDUT to this module be sure to use the 34923T-002 terminalblock that corresponds to the 1-wire configuration mode.An error will not be generated if you have installed aterminal block that doesn't match the present moduleconfiguration.Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com