C a r r i e r B o a r d
E C B - 9 0 1 A
Quick Installation Guide
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13. LCD Power Selection (JP9)
JP9
Function
1-2
5V
2-3
3.3V (Default)
14. LCD Backlight Power Selection (JP10)
JP10
Function
1-2
12V (Default)
2-3
+5V
15. COM 2 RS-232/422/485 Selection (JP11 & JP12)
JP11
JP12
Function
1-2, 4-5, 7-8, 10-11
1-2
RS-232 (Default)
2-3, 5-6, 8-9, 11-12
3-4
RS-422
2-3, 5-6, 8-9, 11-12
5-6
RS-485
16. COM 2 Ring/+5V/+12V Selection (JP13)
JP13
Function
1-2
+12V
3-4
+5V
5-6
Ring (Default)