HP 3PAR InForm OS 3.1.1 Messages and Operators Guide
Figure 48 Connections and LEDs on the DC4 Drive Cage FC-AL Modules
Table 12 Drive Cage DC4 FC-AL Module LED Displays
IndicatesAppearanceLED
The presence of a small form-factor
pluggable optical transceiver (SFP) and
a valid signal from the node.
Steady green lightRX
No connection to the node or no SFP
is installed.
No light
The presence of an SFP and the LED is
on and transmitting.
Steady green lightTX
No SFP is present or the SFP transmitter
failed.
No light
The drive cage is functioning properly,
but is not communicating with other
nodes.
Steady green lightFC-AL status
The drive cage is connected and
communicating with the system
manager of a node in the cluster.
Flashing green light (1 blink per
second)
Normal, initial indication for two
seconds upon power up. Otherwise,
Steady amber light
FC-AL module error or other cage error.
If both FC-AL modules have a steady
light, the temperature of a disk drive in
the drive-cage has exceeded its
48 Understanding T-Class Storage System LED Status