Ethernet Led Patterns - IBM SAN40B-4 - System Storage Switch User & Service Manual

Port status LED patterns
Each port has one LED port status indicator. Table 6 shows the LED color, status,
and recommended action for these port LEDs.

Ethernet LED patterns

Each Ethernet port has two LEDs, which are described in Table 7
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SAN40B-4 Installation, Service, and User's Guide
Table 6. Port LED patterns during normal operation
LED name LED color
Port status No light
Slow flashing green
(flashing in
two-second intervals)
Fast flashing green
(flashing in
half-second intervals)
Flickering green
(steady with random
flashes)
Steady green
Slow flashing amber
(flashing in
two-second intervals)
Fast flashing amber
(flashing in
half-second intervals)
Steady amber (for
more than five
seconds)
Table 7. Ethernet LED patterns
LED name LED color
Ethernet speed LED No light
(right)
Steady green
Recommended
Status of hardware action
No light or signal Check SFP and
carrier (SFP or cable) cable.
detected.
Port is online but No action is required.
segmented because
of a loopback cable
or incompatible
switch connection.
Port is online and an No action is required.
internal loopback
diagnostic test is
running.
Port is online and No action is required.
frames are flowing
through the port.
Port is online No action is required.
(connected to
external device) but
has no traffic.
Port is disabled Verify the diagnostic
(because of tests are not running.
diagnostics or the Reenable the port
portDisable using the portEnable
command). command.
Port is faulty. Check the
management
interface and the
error log for details
on the cause of
status. Contact IBM
Support if required.
Port is receiving light No action required.
or signal carrier at 4
Gbps; but is not yet
online.
Recommended
Status of hardware action
Port speed is 10 No action is required.
Mbps.
Port speed is 100 No action is required.
Mbps.