Backplane Jumpers - Keithley 7015-S Instruction Manual

2.2.2 Backplane jumpers

There are four pairs of backplane jumpers located on the re-
lay card. With the jumpers installed, the banks of the multi-
plexer card are connected to the analog backplane of the
Model 7001/7002 allowing expansion with a second card in-
stalled in the mainframe. With the jumpers removed (cut),
the multiplexer card is isolated from another card installed in
the same mainframe.
Figure 2-5
Model 7001/7002 analog backplane
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Model 7001/7002
Card 1
Analog
Backplane
Row 1 or Bank A
H
L
G
Row 2 or Bank B
H
L
G
Row 3 or Bank C
H
L
G
Row 4 or Bank D
H
L
G
H = High
L = Low
G = Guard
The three-pole analog backplane of the Model 7001/7002
mainframe is shown in Figure 2-5. Through this analog back-
plane, the banks of a Model 7015 multiplexer card, installed
in one slot, can be connected to the banks (or rows) of a com-
patible card installed in another slot of the mainframe.
Note that the Model 7002 also has backplane jumpers, which
can be used to isolate cards into two groups of five.
Card 2
H
L
G
H
L
G
H
L
G
H
L
G
Row = Matrix Card (7012)
Bank = MUX Card (7015)
Multiplexing Basics
2-5