IBM SAN16B-2 User Guide - Page 46

patterns, Ethernet

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Port LED patterns Each port has two LEDs: a port speed and a port status indicator. These LEDs are located below both rows of ports, and each set is labeled with the port number. Table 7 shows the LED location, color, and meaning for these port LEDs. Table 7. 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. Steady green Port is online (connected to external No action required. device) but has no traffic. Slow-flashing green (on one second, off one second) Port is online but segmented, indicating a loopback cable or incompatible switch. Verify that the correct device is connected to port and that the switch and port settings are correct. Fast-flashing green (on 1/4 second, off 1/4 second) Port is in internal loopback (diagnostic). No action required. Flickering green Port is online with traffic flowing through port. No action required. Steady amber Port is receiving light or signal carrier No action required. but is not yet online. Slow-flashing amber (on one second, off one second) Port is disabled as the result of Enable the port using the portEnable diagnostics or portDisable command. command. See the Brocade Fabric If all ports are slow-flashing amber, OS Command Reference Manual for the switch could be disabled. more information. If all ports are slow-flashing amber, enable the switch using the switchEnable command. Fast-flashing amber (on 1/4 second, off 1/4 second) Port is faulty. Perform the following steps: 1. Check the Port Status LEDs, error log, SFP, and cable or loopback plug. 2. Clear the error log. 3. Rerun the diagnostics to verify that the error condition is fixed. Alternating green Port is bypassed. and amber Check configuration of Fibre Channel loop. Port Speed Green on, amber Port is transmitting/receiving at 2 off Gb/sec. No action required. Green off, amber Port is transmitting/receiving at 1 off Gb/sec. No action required. Amber on, green Port is transmitting/receiving at 4 off Gb/sec. No action required. Ethernet LED patterns Each Ethernet port has two LEDs, the Link LED, and the Speed LED (see Figure 9 on page 22 for the Ethernet port and Ethernet LED locations). Table 8 on page 25 describes the location, color, and meaning for the Ethernet LED activity. 24 SAN16B-2 Installation, Service, and User's Guide

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Port
LED
patterns
Each
port
has
two
LEDs:
a
port
speed
and
a
port
status
indicator.
These
LEDs
are
located
below
both
rows
of
ports,
and
each
set
is
labeled
with
the
port
number.
Table
7
shows
the
LED
location,
color,
and
meaning
for
these
port
LEDs.
Table
7.
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.
Steady
green
Port
is
online
(connected
to
external
device)
but
has
no
traffic.
No
action
required.
Slow-flashing
green
(on
one
second,
off
one
second)
Port
is
online
but
segmented,
indicating
a
loopback
cable
or
incompatible
switch.
Verify
that
the
correct
device
is
connected
to
port
and
that
the
switch
and
port
settings
are
correct.
Fast-flashing
green
(on
1/4
second,
off
1/4
second)
Port
is
in
internal
loopback
(diagnostic).
No
action
required.
Flickering
green
Port
is
online
with
traffic
flowing
through
port.
No
action
required.
Steady
amber
Port
is
receiving
light
or
signal
carrier
but
is
not
yet
online.
No
action
required.
Slow-flashing
amber
(on
one
second,
off
one
second)
Port
is
disabled
as
the
result
of
diagnostics
or
portDisable
command.
If
all
ports
are
slow-flashing
amber,
the
switch
could
be
disabled.
Enable
the
port
using
the
portEnable
command.
See
the
Brocade
Fabric
OS
Command
Reference
Manual
for
more
information.
If
all
ports
are
slow-flashing
amber,
enable
the
switch
using
the
switchEnable
command.
Fast-flashing
amber
(on
1/4
second,
off
1/4
second)
Port
is
faulty.
Perform
the
following
steps:
1.
Check
the
Port
Status
LEDs,
error
log,
SFP,
and
cable
or
loopback
plug.
2.
Clear
the
error
log.
3.
Rerun
the
diagnostics
to
verify
that
the
error
condition
is
fixed.
Alternating
green
and
amber
Port
is
bypassed.
Check
configuration
of
Fibre
Channel
loop.
Port
Speed
Green
on,
amber
off
Port
is
transmitting/receiving
at
2
Gb/sec.
No
action
required.
Green
off,
amber
off
Port
is
transmitting/receiving
at
1
Gb/sec.
No
action
required.
Amber
on,
green
off
Port
is
transmitting/receiving
at
4
Gb/sec.
No
action
required.
Ethernet
LED
patterns
Each
Ethernet
port
has
two
LEDs,
the
Link
LED,
and
the
Speed
LED
(see
Figure
9
on
page
22
for
the
Ethernet
port
and
Ethernet
LED
locations).
Table
8
on
page
25
describes
the
location,
color,
and
meaning
for
the
Ethernet
LED
activity.
24
SAN16B-2
Installation,
Service,
and
User’s
Guide