Table of Contents
Advertisement
Port status LED patterns
The switch has one LED below each Fibre Channel port ( 7 in Figure 15 on page
31) to indicate how that particular port is functioning. Table 8 describes the
meaning of different displays of the port LEDs and recommended action, if any.
Table 8. Port status LED patterns
LED color
Status of hardware
No light
Indicates one of the following:
v No signal or light carrier (transceiver
or cable) detected
v The switch may be initializing
v Connected device is configured in an
offline status
Steady green
Port is online (connected to external
device) but has no traffic.
Slow-flashing green
Port is online but segmented because of
(on 1 second; then
a loopback cable or incompatible switch
off 1 second)
connection.
Fast-flashing green
Port is online and an internal loopback
(on 1/4 second;
diagnostic test is running.
then off 1/4 second)
Flickering green
Port is online and data is flowing
through the port.
Steady amber
Port is receiving light or signal carrier,
but it is not online yet.
Slow-flashing
Port is disabled because of diagnostics
amber (on 2
or the portdDisable command.
seconds; then off 2
seconds)
Fast-flashing amber
SFP or port is faulty.
(on 1/2 second;
then off 1/2 second)
LEDs on the nonport side of the switch
The LEDs on the nonport side of the switch provide status information for the two
power supplies and three fan assemblies. Figure 16 shows the location of these
LEDs on the nonport side of the switch.
Figure 16. Nonport side LEDs
2
1
1
Power supply status
LED (green/amber)
Recommended action
Try the following :
v Verify that power LED is on
v Check the transceiver and cable
v Verify the switch has completed booting and
POST
v Verify the status of the connected device
No action required.
Verify that the correct device is attached to the
switch.
No action required.
No action required.
No action required.
Verify the diagnostic tests are not running.
Re-enable the port using the portEnable command.
Reset the port. Replace the SFP. If the problem does
not resolve, contact IBM.
2
2
2
Fan status LED (green/amber)
Chapter 3. Using and maintaining the switch
1
33
Advertisement
Table of Contents
