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Table 4 describes the CP card LED patterns. It lists the name, location, and
possible colors of each LED. It also lists the status of the switch that is associated
with each LED color and action that you can take in response to that status.
Table 4. CP card LED patterns
Name of LED
Location of LED Color of LED
Power
Uppermost LED
Status
Below the Power
LED
Link status and
Uppermost of the
activity (labeled
two LEDs below
"Link" on the CP
and to the left of
card)
the Ethernet port
Link speed
To the left of the
(labeled "10/100
Ethernet port,
Mb/s" on the CP
below the Link
card)
status and
activity LED
No light (LED is off)
Steady green
No light (LED is off)
Steady yellow
Slow-flashing yellow (on
2 seconds; off 2
seconds)
Fast-flashing yellow (on
1/2 second; off 1/2
second)
No light (LED is off)
Flickering green and
yellow
No light (LED is off)
Steady green
Status of hardware
Action
The CP card does not
Ensure that the CP card is
have incoming power.
firmly seated and has
power.
The CP card has
No action is required.
incoming power.
The CP card is either
Verify that the Power LED
healthy or does not
is lit.
have incoming power.
The CP card is faulty.
Ensure that the CP card is
firmly seated. If the LED
still displays yellow, contact
IBM.
The CP card is not
Pull the CP card out and
seated correctly, or is
reseat it. If the LED
faulty.
continues to flash, replace
the CP card.
The environmental
Check for out-of-bounds
range is exceeded.
environmental condition.
Either the CP card
Ensure that the CP card
does not have
has power. Verify that the
incoming power or no
Ethernet cable is firmly
link is detected.
seated and the device at
the other end of the link is
functioning.
The link is healthy, with
No action is required.
traffic flowing through
the port.
Either the link speed is
Ensure that the CP card
10 Mbps or the CP
has power.
card does not have
incoming power.
The link speed is 100
No action is required.
Mbps.
Chapter 3. Operating the M12
25
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