Jp1: Factory Use Only (Default: Open); Jp2, Jp3, Jp4: Rs232/Rs422/Rs485 (Com1) Selection; Jp5: Com1 Rs232 Ri/+5V/+12V Power Setting; Jp6: Com2 Rs232 Ri/+5V/+12V Power Setting - American Megatrends MI961F User Manual

INSTALLATIONS

JP1: Factory use only (Default: open)

JP2, JP3, JP4: RS232/RS422/RS485 (COM1) Selection

(pin closed)

JP5: COM1 RS232 RI/+5V/+12V Power Setting

JP6: COM2 RS232 RI/+5V/+12V Power Setting

10
COM1
RS-232
Function
3-5&4-6
Jumper
Setting
3-5 & 4-6
JP5
Short/Closed
Short/Closed
Short/Closed
JP6
Short/Closed
Short/Closed
Short/Closed
MI961F User's Manual
RS-422
JP2: JP2:
1-3&2-4
JP3: JP3:
1-2 3-4
JP4: JP4:
1-3 & 2-4
Setting
Pin 1-2
Pin 3-4
Pin 5-6
Setting
Pin 1-2
Pin 3-4
Pin 5-6
RS-485
JP2:
1-3&2-4
JP3:
5-6
JP4:
1-3 & 2-4
Function
+12V
RI
+5V
Function
+12V
RI
+5V