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2.0 Setup - Series 90/90HV
SCANNER BOARD JUMPERS
Each low-voltage scanner board requires a jumper to be installed for configuration. See Figure 8.
(The high-voltage scanner boards do not have jumpers.) As illustrated, the jumper is installed
across two pins of a three-pin connector located on the component side, opposite the test point
connectors. This jumper can be installed in one of two locations on the three-pin connector.
Each scanner board, except for the last board in the cabinet, must have a jumper connecting the
center pin to the pin toward the center of the board. On the last board, move the jumper so that
the center pin and the pin toward the outside of the board are jumpered. This pin is labeled
LAST SCANNER BOARD. When multiple expansion cabinets are required, the last board of
each cabinet must be jumpered as the last board.
I I I I I I I I I I I I I I I I
I I I I I I I I I I I I I I I I
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I I I I I I I I I I I I I I I I
I I I I I I I I I I I I I I I I
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LAST
so
111-
-Alii
/
...
1-
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/
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/
\,
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Jumper position
Figure 8. Scanner
Jumpers.
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