Intel IB957 user manual JP2 LCD Panel Power Selection, COM2, RS-232, Function, RS-422, RS-485

INSTALLATIONS

JP2: LCD Panel Power Selection

JP2 LCD Panel Power

3.3V

5V

JP3, JP4, JP5: RS232/422/485 (COM2) Selection COM1 is fixed for RS-232 use only.

COM2 is selectable for RS232, RS-422 and RS-485.

The following table describes the jumper settings for COM2 selection.

COM2	RS-232
Function
	JP3:
Jumper	1-2
Setting	JP4:
(pin closed)	3-5 & 4-6
	JP5:
	3-5 & 4-6

RS-422

JP3:

3-4

JP4:

1-3 & 2-4

JP5:

1-3 & 2-4

RS-485

JP3:

5-6

JP4:

1-3 & 2-4

JP5:

1-3 & 2-4

10 IB957 User’s Manual