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150 34980A User’s Guide
5 Matrix Switch Modules
34932A Simplified Schematic
H
H
L
L
HHHH HHLLLLLL
L
L
L
L
H
H
H
ABus1
DMM
(MEAS)
ABus2
DMM
(SENS)
ABus3
ABus4
922
923
924
921
HLHLHLHL HLHL
L
L
L
L
H
H
H
H
H
H
H
L
L
L
L
Col 15 Col 16Col 4Col 1 Col 3Col 2
Row 1
Row 2
Row 3
Row 4
Analog Buses
Col 16Col 15Col 4Col 3Col 2Col 1
Matrix 1
Matrix 2
NOTE: Although columns are numbered
the same on the two matrices, they are
electrically separate.
NOTE: Three-digit channel
numbers are derived from
the intersection of the
rows and columns,
columns having two
digits. The intersection
shown here represents
Channel 315 (Row 3,
Column 15).
NOTE:
Matrix relays: Armature latching
Analog Bus relays: Armature non-latching
Row 1
Row 2
Row 3
Row 4