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2.5.2
Default Settings
The board is shipped with default settings (all ports are set to RS-422 mode without
any terminator resistors). If you need to change these settings, however, see the fol-
lowing sections. Otherwise, you can simply install the card.
For MIC-3612, each port can support three operation modes, RS-232, RS-485 and
RS-422.
RS-232 mode
For RS-232 operation mode, set the jumper group CN4(CN5,CN6,CN7) for Port
1 (2,3,4) to the RS-232 available position.
RS-485 mode
For RS-485 operation mode, users will have to use the following list to set the
jumpers.
1.
Jumper group CN4(CN5,CN6,CN7) for Port 1 (2,3,4) to the RS-422/485.
2.
Jumper JP10(JP11,JP12,JP13)for Port 1(2,3,4) to the RS-485.
3.
DIP switch SW1 have to switch to "AUTO" for RS-485 mode
ON
OFF
MIC-3612/3-BE User Manual
CH1
CH2
ON
ON
AUTO
AUTO
8
CH3
CH4
ON
ON
AUTO
AUTO
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