HP 3PAR F-Class, T-Class, StoreServ 10000 Storage Troubleshooting Guide (QL226-96953, May 2013)

DC4 Drive Cage FC-AL Module LEDs
The DC4 drive cage FC-AL modules have the following LEDs:
Figure 87 FC-AL LED and Port Locations
Table 33 Drive Cage DC4 FC-AL Module LEDs
IndicatesAppearanceLED
A 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
A presence of an SFP and that 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 any
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
Drive Cage LEDs 81