INSTALLATIONS
IB892 User’s Manual
9
JP6, JP7, JP8: RS232/422/485 (COM1) Selection
COM2, COM3, COM4 are fixed for RS-232 use only.
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)
JP7:
1-2
JP6:
3-5 & 4-6
JP8:
3-5 & 4-6
JP7:
3-4
JP6:
1-3 & 2-4
JP8:
1-3 & 2-4
JP7:
5-6
JP6:
1-3 & 2-4
JP8:
1-3 & 2-4