ARK-3400 User Manual 142.3.5 LCD Backlight On/Off control ConnectorThe ARK-3400 comes with a D-Sub 9-pin connector which provides BKLTEN signalas well as +12 V, +5 V and Ground Pin signals that allow the user to connect thesesignals to LCD Inverter to implement the LCD On/Off control. Provides BKLTEN signal that inverter Module requires for inverter on/off control.Figure 2.14 LCD Backlight connector2.3.6 LPT ConnectorThe ARK-3400 provides one D-sub 25-pin female connector, which offers printers orother communication interface port. If you want to use LPT port, you can find the Pinassignment as following.Figure 2.15 LPT Connector8 GND 21 LVDS_YAM39 LVDS_YAP3 22 LVDS_YBM010 LVDS_YBP0 23 LVDS_YBM111 LVDS_YBP1 24 LVDS_YBM212 LVDS_YBP2 25 LVDS_YBM313 LVDS_YBP3 26 GNDTable 2.6: LVDS Connector Pin AssignmentTable 2.7: LCD Backlight Connector Pin AssignmentPin Signal name1 +12 V2 GND3 BKLTEN4 VBR5 +5 V6 Reserved7 Reserved8 Reserved9 ReservedTable 2.8: LPT Connector Pin AssignmentPin Signal Name Pin Signal name
