IBM TotalStorage 2109 M12, Инструкция по установке и обслуживанию

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Table 3. 16–port card LED patterns (continued)
Name of LED Location of LED Color of LED Status of hardware Action
Port Status and
Activity
To the left of
each port, below
the Port Speed
LED
No light (LED is off)
v
Either the 16–port
card does not have
incoming power or
there is no light or
signal carrier
detected.
v
Polling is in
progress.
v The connected
device is configured
in an offline state.
Verify that the Power LED
is lit and check the
transceiver and the cable.
Steady green The port is online
(connected to an
external device) but
has no traffic.
No action is required.
Slow-flashing green (on
1 second; off 1 second)
The port is online but
segmented, indicating
a loopback plug or
cable, or an
incompatible switch.
Verify that the correct
device is connected to the
port.
Fast-flashing green (on
1/4 second; off 1/4
second)
The port is in internal
loopback (diagnostic).
No action is required.
Flickering green The port is online, with
traffic flowing through
the port.
No action is required.
Steady yellow The port is receiving
light or signal carrier,
but is not yet online.
No action is required.
Slow-flashing yellow The port is disabled
(from diagnostic tests
or the portDisable
command).
Reset the port from the
workstation.
Fast-flashing yellow (on
1/2 second; off 1/2
second)
The SFP or the port is
faulty.
Change the SFP or reset
the switch from workstation
Alternating green and
yellow
The port is bypassed. Reset the port from the
workstation.
Chapter 3. Operating the M12
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