IBM SAN40B-4 User Guide - Page 48

status, patterns, Ethernet - sfp

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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. Table 6. Port LED patterns during normal operation LED name LED color Recommended Status of hardware action Port status No light No light or signal Check SFP and carrier (SFP or cable) cable. detected. Slow flashing green (flashing in two-second intervals) Port is online but segmented because of a loopback cable or incompatible switch connection. No action is required. Fast flashing green (flashing in half-second intervals) Port is online and an internal loopback diagnostic test is running. No action is required. Flickering green (steady with random flashes) Port is online and frames are flowing through the port. No action is required. Steady green Port is online (connected to external device) but has no traffic. No action is required. Slow flashing amber (flashing in two-second intervals) Port is disabled (because of diagnostics or the portDisable command). Verify the diagnostic tests are not running. Reenable the port using the portEnable command. Fast flashing amber Port is faulty. (flashing in half-second intervals) Check the management interface and the error log for details on the cause of status. Contact IBM Support if required. Steady amber (for more than five seconds) Port is receiving light or signal carrier at 4 Gbps; but is not yet online. No action required. Ethernet LED patterns Each Ethernet port has two LEDs, which are described in Table 7 Table 7. Ethernet LED patterns LED name Ethernet speed LED (right) LED color No light Steady green Status of hardware Port speed is 10 Mbps. Port speed is 100 Mbps. Recommended action No action is required. No action is required. 24 SAN40B-4 Installation, Service, and User's Guide

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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.
Table
6.
Port
LED
patterns
during
normal
operation
LED
name
LED
color
Status
of
hardware
Recommended
action
Port
status
No
light
No
light
or
signal
carrier
(SFP
or
cable)
detected.
Check
SFP
and
cable.
Slow
flashing
green
(flashing
in
two-second
intervals)
Port
is
online
but
segmented
because
of
a
loopback
cable
or
incompatible
switch
connection.
No
action
is
required.
Fast
flashing
green
(flashing
in
half-second
intervals)
Port
is
online
and
an
internal
loopback
diagnostic
test
is
running.
No
action
is
required.
Flickering
green
(steady
with
random
flashes)
Port
is
online
and
frames
are
flowing
through
the
port.
No
action
is
required.
Steady
green
Port
is
online
(connected
to
external
device)
but
has
no
traffic.
No
action
is
required.
Slow
flashing
amber
(flashing
in
two-second
intervals)
Port
is
disabled
(because
of
diagnostics
or
the
portDisable
command).
Verify
the
diagnostic
tests
are
not
running.
Reenable
the
port
using
the
portEnable
command.
Fast
flashing
amber
(flashing
in
half-second
intervals)
Port
is
faulty.
Check
the
management
interface
and
the
error
log
for
details
on
the
cause
of
status.
Contact
IBM
Support
if
required.
Steady
amber
(for
more
than
five
seconds)
Port
is
receiving
light
or
signal
carrier
at
4
Gbps;
but
is
not
yet
online.
No
action
required.
Ethernet
LED
patterns
Each
Ethernet
port
has
two
LEDs,
which
are
described
in
Table
7
Table
7.
Ethernet
LED
patterns
LED
name
LED
color
Status
of
hardware
Recommended
action
Ethernet
speed
LED
(right)
No
light
Port
speed
is
10
Mbps.
No
action
is
required.
Steady
green
Port
speed
is
100
Mbps.
No
action
is
required.
24
SAN40B-4
Installation,
Service,
and
User’s
Guide