Thecus Technology i Series - Manual (Page 14)

Caution
Before power off, it is better to execute “Shutdown” to flush
the data from cache to physical disks.
2.4.2 System buzzer
The system buzzer features are describing in the following:
1. The system buzzer alarms 1 second when system boots up
successfully.
2. The system buzzer alarms continuously when there is error level event
happened. The alarm will be stopped after mute.
3. The alarm will be muted automatically when the error situation is
resolved. E.g., when RAID 5 is degraded and alarm rings immediately,
after user changes/adds one physical disk for rebuilding, and when the
rebuilding is done, the alarm will be muted automatically.
2.4.3 LED
The LED features are describing as follows:
1. Marquee/Disk Status/Disk Rebuilding LED: The Marquee/Disk
Status/Disk Rebuilding LEDs are displayed in the same LEDs. The
LEDs behave for different functions in different stages.
I. Marquee LEDs : When system powers on and succeeds to boot
up, the Marquee LED acts until the system is booting successful.
II. Disk status LEDs : the LEDs reflect the disk status for the tray.
Only On/Off situation.
III. Disk rebuilding LEDs : the LEDs are blinking when the disks are
under rebuilding.
2. Disk Access LED: Hardware activated LED when accessing disks (IO).
3. Disk Power LED: Hardware activated LED when the disks are plugged
in and powered.
4. System status LED: Used to reflect the system status by turn on the
LED when error occurs or RAID malfunctioning happens.
5. Management LAN port LED: GREEN LED is for LAN transmit/receive
indication. ORANGE LED is for LAN port 10/100 LINK indication.
6. BUSY LED: Hardware activated LED when the front-end channel is
busy.
7. POWER LED: Hardware activated LED when system is powered on.
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