Global American 3308130, Руководство пользователя

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INTRODUCTION
16 3308130 User’s Manual
JP1, JP2, JP3: 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
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP1:
1-2
JP2:
3-5 & 4-6
JP3:
3-5 & 4-6
JP1:
3-4
JP2:
1-3 & 2-4
JP3:
1-3 & 2-4
JP1:
5-6
JP2:
1-3 & 2-4
JP3:
1-3 & 2-4
JP6: LVDS Panel Power Select
JP6 LVD Panel Power
3.3V (default)
5V
JP5: Clear CMOS Contents
Use JP5, a 3-pin header, to clear the CMOS contents. Note that the
ATX-power connector should be disconnected from the CPU card
before clearing CMOS.
JP5 Setting Function
Pin 1-2
Short/Closed
Normal
Pin 2-3
Short/Closed
Clear CMOS