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Operational Environment A-9
A.2.3 The LED Interface
The LED interface on the LSIU40HVD is a four-wire arrangement that
allows the user to connect an LED harness to the board. The
GPIO0_FETCH line (maximum output low voltage 0.4 V and minimum
output low current 16 mA) is pulled low to complete the circuit when a
harness with an LED is attached. The connectors on the LSIU40HVD are
J4 for Channel A, and J7 for Channel B.
Table A.5 LED Connector J5/J9
Signal Name Pin
LED+ 1
LED− 2
LED− 3
LED+ 4