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App-8
PL-6900 Series User Manual
Appendix
Types of Processing (all units)
The PL provides system condition information via the following methods.
LED Indicator (3-state display – 1 point)
In addition to indicating if the unit’s power is ON or OFF, the 3-state LED indica-
tor (power lamp) provides the following system condition information.
Pop-up Message Output
This feature uses the Windows® system’s pop-up message feature to indicate that
an alarm has occurred.
Buzzer Output
This feature uses the PL’s internal speaker to indicate the system’s condition.
System Shutdown
This feature shuts down the PL’s OS (Windows® 95/ Windows® 98 Second
Edition/ Windows® NT 4.0). The System Monitor utility can be used to enable or
disable this feature.
Color System Condition Output Created
Green
Normal Operation (Power ON) None
Orange
RAS has detected a system
alarm.
T he alarm output set in the
system monitor is enabled.
Flashing
Orange/ Green
Mirror Disk Alarm has occurred None