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3
Temp.
4
BBU Link
5
Hst Bsy
6
Drv Bsy
4.4.4.2 SAS Port LEDs
Each controller module houses two (2) SAS 4x wide host ports. Each
of these SAS ports has one (1) LED (see Figure 4-6) for displaying
the operating statuses.
SAS Link
Status
4.4.4.3 Restore Default LED
A restore default LED is located beneath the restore default push
button on the lower right corner of the controller faceplate. (See
Figure 4-6) To restore firmware defaults, press and hold the button
down while you turn on the subsystem. Once the factory defaults are
successfully restored, release the button after the restore default LED
lights green.
4.4.4.4 LAN Port LEDs
A shielded Ethernet cable is recommended for connecting the RJ-45
Ethernet management port to a local network after you configure an
IP address. This enables you to manage your subsystem via LAN or
WAN. Two (2) LEDs on the Ethernet port indicate connection
Status-indicating LEDs
Chapter 4: Subsystem Operation and Monitoring
cached in memory or is supported by
the BBU during a power loss.
ON indicates that one of the preset
Amber
temperature thresholds is violated.
Green
ON indicates BBU is present.
FLASHING indicates there is active
traffic through the host ports.
Green
OFF indicates there is no activity on
the host ports.
FLASHING indicates there is active
traffic on the drive channels.
Green
OFF indicates there is no activity on
the drive channels.
Table 4-3: Controller Status LED Definitions
Steady GREEN indicates that all 4
PHYs are validly linked to external
devices.
Green
Blinking indicates at least one of the 4
PHY links has failed.
OFF indicates all 4 PHYs are offline.
Table 4-4: SAS Port LED Definitions
4-11
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