FOR-A MFR-3000 - Changing the Interface from RS-422 to RS-232 C

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2-3-4. Changing the Interface from RS-422 to RS-232C
IMPORTANT
Note that internal switch settings should only be performed by qualified technical
personnel.
(1) Remove the 6 screws on the MFR-3000 top panel to remove the panel.
(2) The MAIN card factory default settings are as shown below.
 Switch settings
Switch
Settings
S1, S2
Used to select RS-232C or
RS-422. Make your selection
referring to the right figures. Both
switches must be set the same.
Switch settings
RS-232C
RS-422
(Factory default)
IMPORTANT
Do not change other switches
Front
422
422
232C
232C
S1
S2