34925A D-Sub Connectors For Two- Or Four-Wire Mode - Keysight Technologies 34921A User Manual

This drawing shows two independent 20-channel 2-wire MUXes. To change
configuration modes, use the SYSTem:MODule:WIRE:MODE command.

34925A D-Sub Connectors for Two- or Four-Wire Mode

54
100Ω
H
100Ω
L
Overvoltage Protection
(each channel)
COM 1
H L
Analog Buses
COM 2
H L
100Ω 51.1Ω
11Ω 11Ω
Current-Limiting Circuitry
NOTE: The three-digit number assigned to
each switch represents the channel number.
NOTE:
Bank relays: FET non-latching
Analog Bus relays: Armature non-latching
Bank 1
H
001 006
L
002 007
003
008
004 009
005 010
911 912
H L H
ABus1
DMM
(MEAS)
H L H
921 922
021 026
022 027
023 028
024 029
H
025 030
L
Bank 2
Keysight 34921A-34925A User's Guide
H H
011 016
L L
012 017
013
018
014
019
015 020
913
L H L
ABus2
DMM ABus3
(SENS)
L H L
923
031 036
032
037
033 038
034 039
H H
035 040
L L
H
L
914
H L
ABus4
H L
924
H
L