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16 About Your System
Physical Disk Carrier LED Indicators
Each physical disk carrier in your enclosure has two LEDs: an activity LED
(green) and a bicolor (green/amber) status LED (see Figure 1-3). The activity
LED flashes whenever the physical disk is accessed. Table 1-3 lists the flash
patterns for the status LED.
Power LED (green) When lit, at least one power supply is
supplying power to the enclosure.
Split mode LED (green) Because this mode is unused in the system, this
LED should always be unlit.
NOTE: This LED comes on if the enclosure mode
switch on the enclosure’s front panel is in the
split mode position before the enclosure is
turned on.
Enclosure mode switch The function of this switch is not applicable to
your MD3000i. However, if additional MD1000
expansion enclosures are daisy chained to your
system, the enclosure mode switch on those
enclosures must be in unified-mode position.
NOTE: This switch must be set prior to turning
on the system. Changing the switch setting after
the system is turned on will have no effect on
enclosure configuration until the system goes
through a complete power cycle.
Table 1-2. Front-Panel Components (continued)
Component Icon Condition