Instruction Manual
Panel Power Select
Jumper Setting
Pin
Definition
Pin
Definition
1-2
On: +12V
3-4
On: +5V
5-6
On: +3.3V (default)
JP9 is used to select the power supplied to the LCD panel.
Important:
Before powering-on the system, make sure JP9げs setting matches the LCD panelげs specification. Selecting the
incorrect voltage will seriously damage the LCD panel.
COM1/COM2 RS232/RS422/RS485 Select
JP4 (for COM1) and JP5 (for COM2) are used to configure the COM ports to RS232, RS422 (Full Duplex) or RS485. The
pin function of the COM ports will vary according to the jumpers setting.
COM1/COM2 RS232/Power Select