IBM totalstorage 2109 M12 Installation And Service Manual page 52

Table 3 describes the 16–port card LED patterns. It lists the name, location, and
possible colors of each LED. It also lists the status of the switch that is associated
with each LED color and the action that you can take in response to that status.
Table 3. 16–port card LED patterns
Name of LED Location of LED Color of LED
Power Uppermost LED
Status Below the Power
LED
Port Speed Uppermost of the
two LEDs to the
left of each port
22
IBM TotalStorage SAN Switch: 2109 Model M12 Installation and Service Guide
No light (LED is off)
Steady green
No light (LED is off)
Steady yellow
Slow-flashing yellow (on
2 seconds; off 2
seconds)
Fast-flashing yellow (on
1/2 second; off 1/2
second)
No light (LED is off)
Steady green
Status of hardware Action
The 16–port card does Ensure that the card is
not have incoming firmly seated and has
power. power.
The 16–port card has No action is required.
incoming power.
The 16–port card is Verify that the Power LED
either healthy or does is lit.
not have power.
The 16–port card is Ensure that the card is
faulty. firmly seated and check the
status with the slotShow
command. If the LED still
displays yellow, contact
IBM.
The 16–port card is not Pull the card out and reseat
seated correctly, or is it. If the LED continues to
faulty. flash, replace the card.
The environmental Check for out-of-bounds
range is exceeded. environmental condition.
The port is either set to Verify that the Power LED
1 Gbps mode, or does is lit. To change the mode,
not have incoming see the Brocade Fabric OS
power. Procedures Guide.
The port is set to 2 No action is required.
Gbps mode.