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Figure 3-4
Table 3-3
Light
Quantity
LCC Power
1 per LCC
LCC Fault
1 per LCC
Primary Link Active
1 per LCC
Expansion Link Active 1 per LCC
Power Supply Active
1 per supply
Power Supply Fault*
1 per supply
Blower Fault*
1 per cooling module Amber
* The DAE2 will continue running with a single power supply and three of its four blowers. Removing a power/cooling module constitutes a
multiple blower fault condition, and will power down the enclosure unless you replace a blower within two minutes.
Figure 3-4 shows the status LEDs for the link control cards.
Fault
LED
(Amber)
Power
LED
(Green)
Expansion
Link Active
LED
(Green)
LCC Status LEDs
Table 3-3 describes the status LEDs visible from the rear of the disk
enclosure.
Status Lights Visible from the Rear of the Disk Enclosure
Color
Meaning
Green
On when the LCC is powered up.
Amber
On when either the LCC or a Fibre Channel connection is faulty.
Also on during Power On Self Test (POST).
Green
On when Primary connection is active.
Green
On when Expansion connection is active.
Green
On when the power supply is operating.
Amber
On when the power supply is faulty or is not receiving ac line voltage.
Flashing when either a multiple blower or ambient overtemperature
condition have shut off dc power to the system.
On when a single blower in the power supply is faulty.
If the disk enclosure Fault light is on, examine the other status lights
to determine which FRU(s) is faulty. If a fault light on a FRU remains
on, you should replace that FRU as soon as possible.
Loop
ID LEDs
Primary
Link Active
LED
(Green)
EMC2221
Monitoring Disk Enclosure Status
Servicing a DAE2
3-5
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