Default Jumper Settings
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JUMPER
POSITION
J1
OFF
J4
2:1
J5
ON
J8
2:1
J10
2:1
J14
2:1
J12
OFF
J16
Open
J31
Closed
DESCRIPTION
Link to hold microprocessor in Reset (to use ext SPI)
Link 3:2 Selects 28V/Open type for Sensor 4
Link 2:1 Selects GND/Open type for Sensor 4
VLOGIC Link for supply current to U3 (disconnect to
measure HI-8400 VLOGIC supply current )
Link 3:2 Selects 28V/Open type for Sensor 3
Link 2:1 Selects GND/Open type for Sensor 3
Link 3:2 Selects 28V/Open type for Sensor 2
Link 2:1 Selects GND/Open type for Sensor 2
Link 3:2 Selects 28V/Open type for Sensor 1
Link 2:1 Selects GND/Open type for Sensor 1
Link to use USB 5V supply
Link 1:2 Selects non maskable interrupt
Link 2:3 Selects maskable interrupt
Link 1:2 Enables SENSEOUT [1:4] OF U3
Holt Integrated Circuits
14