IBASE MI961 - Manual (Page 14)

INSTALLATIONS
10 MI961F User’s Manual
JP1: Factory use only (Default: open)
JP2, JP3, JP4: RS232/RS422/RS485 (COM1) Selection
COM1
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP2:
3-5&4-6
JP3:
1-2
JP4:
3-5 & 4-6
JP2:
1-3&2-4
JP3:
3-4
JP4:
1-3 & 2-4
JP2:
1-3&2-4
JP3:
5-6
JP4:
1-3 & 2-4
JP5: COM1 RS232 RI/+5V/+12V Power Setting
JP5 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V
JP6: COM2 RS232 RI/+5V/+12V Power Setting
JP6 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V