1769-L32E, 1769-L35E CompactLogix Controller 33
Publication
1769-IN020-C-EN-P - July 2007
RS-232 Serial Port Status Indicators (Channel 0 and 1)
CompactFlash Card Status Indicator
Indicator Status Description
DCH0 Off Channel 0 is configured differently than the default serial
c
onfiguration.
Solid green Channel 0 has the default serial configuration.
CH0 Off No RS-232 activity.
Flashing green RS-232 activity.
CH1 Off No RS-232 activity.
Flashing green
RS-232 activity.
ATTENTION
Do not remove the CompactFlash card while the controller is reading from or writing to
the card, as indicated by a flashing green CF status indicator. This could corrupt the data
on the card or in the controller, as well as corrupt the latest firmware in the controller.
Indicator Status Description
CF Off No activity.
Flashing green The controller is reading from or writing to the
CompactFlash
card.
Flashing red CompactFlash card does not have a valid file system.
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