Gateway 850, User Manual, Page: 38 / 88

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Chapter 3: Monitoring Systems
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Also, on each drive carrier are “LitePipes.” They are located on the lower right
side of each drive carrier. The LitePipes present some of the information
provided by the front bezel drive LEDs (drive activity information and drive
fault/failure or data rebuilding notifications) when the front bezel is removed.
Drive Status LEDs
There are twelve Drive Status LEDs. The Drive Status LED is the left LED of each
pair of Drive LEDs. This LED is green when a drive is present in the slot and
powered on. If a drive is not present, the LED will be off.
Drive Activity LEDs
There are twelve Drive Activity LEDs. These LEDs will flash when a drive is being
accessed, either during read or write activity. The Drive Activity LED is the right
LED of each pair of Drive LEDs.
Audible alarm
An audible alarm will sound when any of the enclosure’s components change
to an abnormal state. To silence the alarm, press the Alarm Reset button located
on the front bezel. The corresponding alarm’s LED will remain illuminated until
the condition returns to a normal state.
Activity LED
Fault LED
LitePipes