FOR-A MFR-3100EX - Switches on the Card

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2-5-4. Switches on the Card
IMPORTANT
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.
Switch
Function / Settings
S2, S3
Used for maintenance. Do not use.
S4
Used for maintenance. Do not use. (The
factory default setting is as shown at right.
The black boxes (■) represent switches.)
S5, S6,
S7,
S8, S9,
S10
Used for maintenance. Do not use.
S11
Used for maintenance. Do not use.
S12, S14
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.
Switch
Settings
RS-
232C
(Factory
default
setting)
S13, S15
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.
S16, S18
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.
RS-422
S17, S19
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.
Front
OFF
ON
OFF
ON