User`s manual

INSTALLATIONS
10 IB550F User’s Manual
JP4, JP5, JP6: RS232/422/485 (COM1) Selection
COM1 is selectable for RS232, RS-422 and RS-485.
The following table describes the jumper settings for COM1
selection.
COM1
Function
RS-232 RS-422 RS-485
Jumper
Setting
(pin closed)
JP4:
1-2
JP5:
3-5 & 4-6
JP6:
3-5 & 4-6
JP4:
3-4
JP5:
3-5 & 4-6
JP6:
3-5 & 4-6
JP4:
5-6
JP5:
3-5 & 4-6
JP6:
3-5 & 4-6