Owner's manual

NOVA-HM551 5.25" SBC
Page 58
The COM 6 Function Select jumper sets the communication protocol used by the third
serial communications port (COM 6) as RS-232, RS-422 or RS-485. The COM 6 Function
Select settings are shown in the table below.
Setting Description
Short 1-2 RS-232 (Default)
Short 3-4 RS-422
Short 5-6 RS-485
Short 5-6, 7-8 RS-485 with RTS control
Table 4-5: COM 6 Function Select Jumper Settings
Figure 4-9: COM 6 Function Select Jumper Location
4.5.5 LVDS Voltage Select
WARNING:
Incorrect voltages can destroy the LCD panel. Make sure to select a
voltage that matches the voltage required by the LCD panel.
Jumper Label: J_VLVDS1
Jumper Type:
3-pin header
Jumper Settings:
See
Table 4-6
Jumper Location:
See
Figure 4-10