IBASE MB960 - Manual (Page 15)

INSTALLATIONS
MB960 User’s Manual 11
JP1, JP2, JP3: RS232/RS422/RS485 (COM1) Selection
COM1
Function
RS-232 RS-422 RS-485
Jumper
Setting
(Pin closed)
JP1:
3-5&4-6
JP3:
1-2
JP2:
3-5 & 4-6
JP1:
1-3&2-4
JP3:
3-4
JP2:
1-3 & 2-4
JP1:
1-3&2-4
JP3:
5-6
JP2:
1-3 & 2-4
JP4: COM1 RS232 RI/+5V/+12V Power Setting
JP4 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V
JP5: COM2 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