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2-4-4. Card Switches
Do not access internal cards or make connections with the unit powered
ON. Always power OFF all connected units / disconnect power cords prior
to accessing the interior.
Further note that adjustments and maintenance should only be performed
by qualified technical personnel familiar with FOR-A equipment.
Remove the two screws on both sides of the MFR-GPI to access the internal card as shown
below. The figure below shows the factory default switch settings.
Used for maintenance. Do not use.
Used for maintenance. Do not use. (Factory
default settings are as shown at right. The black
boxes (■) represent switches.)
Used for maintenance. Do not use.
Used for maintenance. Do not use.
Used to select RS-232C/RS-422 for SERIAL 1.
The default setting is RS-232C (both switches
to the left). To change to RS-422, set both
switches to the right.
RS-232C
(Factory
default
setting)
Used to select RS-232C/RS-422 for SERIAL 2.
The default setting is RS-232C (both switches
to the left). To change to RS-422, set both
switches to the right.
Used to select RS-232C/RS-422 for SERIAL 3.
The default setting is RS-232C (both switches
to the left). To change to RS-422, set both
switches to the right.
Used to select RS-232C/RS-422 for SERIAL 4.
The default setting is RS-232C (both switches
to the left). To change to RS-422, set both
switches to the right.
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