IBASE Technology MB970 User Manual page 15

JBAT1: Clear CMOS Contents
JBAT1
JP1, JP2, JP3: RS232/RS422/RS485 (COM1) Selection
(pin closed)
JP4: COM1 RS232 RI/+5V/+12V Power Setting
JP4
JP5: COM2 RS232 RI/+5V/+12V Power Setting
JP5
Setting
Pin 1-2
Short/Closed
Pin 2-3
Short/Closed
COM1
RS-232
Function
3-5&4-6
Jumper
Setting
3-5 & 4-6
Setting
Pin 1-2
Short/Closed
Pin 3-4
Short/Closed
Pin 5-6
Short/Closed
Setting
Pin 1-2
Short/Closed
Pin 3-4
Short/Closed
Pin 5-6
Short/Closed
MB970 User's Manual
Function
Normal
Clear CMOS
RS-422
JP1: JP1:
1-3&2-4
JP3: JP3:
1-2 3-4
JP2: JP2:
1-3 & 2-4
Function
+12V
Function
+12V
INSTALLATIONS
RS-485
JP1:
1-3&2-4
JP3:
5-6
JP2:
1-3 & 2-4
RI
+5V
RI
+5V
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