3PAR InForm® OS 2.2.4 Messages and Operator's Guide (320-200119 Rev A, March 2009)

7.7
Using the Component LEDs
InForm OS Version 2.2.4
3PAR Confidential
Table 7-1. DC2 Drive Cage FC-AL Module LED Displays
LED Appearance Meaning
RX Steady green light Indicates the presence of small
form-factor pluggable optical
transceiver (SFP) and a valid signal
from the node.
No light Indicates there is no connection to
the node or no SFP installed.
TX Steady green light Indicates the presence of SFP and
the laser is on and transmitting.
No light Indicates no SFP is present or the
SFP transmitter failed.
FC-AL status Steady green light Indicates the drive cage is
functioning properly, but is not
communicating with any nodes.
Flashing green light (1
blink per second)
Indicates the cage is connected and
communicating with the system
manager of a node in the cluster.
Steady amber light Normal, initial indication for two
seconds upon power up. Otherwise,
indicates FC-AL module error or
other cage error. If both FC-AL
modules have a steady light, the
temperature of a disk drive has
exceeded 62°C, or a power supply
has failed.
Flashing amber light (1
blink per second)
The drive cage has some type of
error, e.g. missing power supply,
but is communicating with a node.