IBM SAN64B-6, Installation, Service And User Manual

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Table 11. SFP+ FC port status LED patterns during normal operation (continued)
LED color
Status of hardware Recommended action
Slow-flashing green (on 1/2
second; then off 1/2 second)
Port is online but segmented
because of a loopback cable or
incompatible device connection.
Verify that the correct device is
attached to the switch.
Fast-flashing amber (on 1/4
second; then off 1/4 second)
Port is online and an internal
loopback diagnostic test is
running.
No action required.
Flickering green Port is online and frames are
flowing through the port.
No action required.
Steady amber Port is receiving light or signal
carrier, but it is not online yet.
No action required.
Slow-flashing amber (on 2
seconds; then off 2 seconds)
Port is disabled because of
diagnostics or theportDisable
command.
Reset the port.
TheportCfgPersistentDisable
command is persistent across
reboots.
Fast-flashing amber (on 1/2
second; then off 1/2 second)
SFP+ or port is faulty. Reset the port.
Replace the SFP+. Must be a
IBM-branded SFP+.
QSFP port status LED
Refer to the following table to interpret the QSFP port status LEDs.
Table 12. QSFP port status LED patterns during normal operation
LED color
Status of hardware Recommended action
No light Indicates one of the following:
• No signal or light carrier (media or
cable) detected.
• Device may be currently
initializing.
• Connected device is configured in
an offline state.
• Verify the power LED is on, and
check the QSFP and cable.
• Verify the device is not currently
being initialized.
• Verify the status of the connected
device.
Steady green Port is online (connected to
external device) but has no traffic.
No action required.
Slow-flashing green (on 1/2
second; then off 1/2 second)
Port is online but segmented
because of a loopback cable or
incompatible device connection.
Verify that the correct device is
attached to the switch.
Fast-flashing amber (on 1/4
second; then off 1/4 second)
Port is online and an internal
loopback diagnostic test is running.
No action required.
Flickering green Port is online and frames are
flowing through the port.
No action required.
56 IBM Storage Networking SAN64B-6: SAN64B-6 Installation, Service, and User Guide