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2.6.4.2. SIO RS-232 2Port + RS-422/RS-485 2Port LED
[Front LED of RS-232 2Port + RS-422/RS-485 2Port]
LED Status during Normal Operation
Name
TX1
RX1
TX2
RX2
TX3
RX3
Serial
422
Err
TX4
RX4
422
Err
LED Color
GREEN
ON at TX of Serial CH1
YELLOW
ON at RX of Serial CH1
GREEN
ON at TX of Serial CH2
YELLOW
ON at RX of Serial CH2
GREEN
ON at TX of Serial CH3
YELLOW
ON at RX of Serial CH3
YELLOW
ON at RS-422 mode
RED
ON at frame error
GREEN
ON at TX of Serial CH4
GREEN
ON at RX of Serial CH3
YELLOW
ON at RS-422 mode
RED
ON at frame error
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Operating Status
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