Item Indicator Icon Description
1 Power-on indicator The power-on indicator lights green when at least one
power supply module is supplying power to the enclosure.
2 Standby power indicator The standby power indicator lights green when the
system is in standby mode and the main power is off.
3 System identification
indicator
The system identification indicator lights white and helps
locate a particular enclosure within a rack.
4 Over temperature indicator The over temperature indicator lights amber when the
temperature of the system has reached an unsafe
condition.
5 Service action required
indicator (system)
The service action required indicator lights amber when
there is a fault in one of the components in the system.
6 Service action allowed
indicator (system)
CAUTION: Remove the physical disk drawer from the
system only if the service action allowed indicator
lights blue. Removing the physical disk drawer from
the system when the service action allowed indicator
is off may damage the system.
Blue Indicates that you can safely
remove the physical disk drawer
from the system.
Off Indicates that you cannot
remove the physical disk drawer
from the system.
7 Service action required
indicator (drawer)
Amber Indicates that the cable is
attached and at least one lane
has a link up status, but at least
one lane has a link down status.
Off Indicates that:
• No cable is attached.
• A cable is attached, and
all lanes have a link up
status.
• A cable is attached, and
all lanes have a link
down status.
8 Drive activity indicator
NOTE: The associated physical disk is indicated by a
number (0 to 11) that is displayed above the drive
activity indicator. For example, for physical disk 2 on
the physical disk drawer, the drive activity indicator
has 2 displayed above the drive activity indicator.
10