Troubleshooting guide

3. Troubleshooting Functional Failures During Operation
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3.15 Power saving functionality failures
3.15.1 LED brightness control is disabled
If a problem occurs in LED brightness control during a power saving operation, perform the
check procedure described in the following table.
Table 3-36 Problems in power saving operation and action to take
No. Items to check and commands Action
1 The LEDs do not light when the
status of the ports changes to link
up.
Perform the following procedure:
1. Use the show system operation command to check the
information displayed for Brightness mode.
 off displayed:
LED operation is disabled.
 economy displayed: [AX1250S] [AX1240S]
LED operation is set to power-saving brightness.
2. Use the show power-control schedule operation
command to check whether the problem occurred within the
scheduled time range.
 Scheduled time range:
Execute the schedule-power-control port-led
configuration command with enable specified.
 Normal time range:
Execute the system port-led configuration command
with enable specified.
2 When the status of the ports
changes to link up, the LEDs do not
light with normal brightness
(automatic operation is disabled).
Use the show system operation command to check the
information displayed for Brightness mode.
 normal displayed:
LED operation is set to normal brightness. Check the setting
of the system port-led trigger configuration
command.
If interface is not set in the system port-led trigger
command, no physical port is specified as the trigger for
automatic operation. Specify a physical port as the trigger for
automatic operation.
 Other than above:
Check the configuration.
3 When a memory card is inserted or
removed, the LEDs do not light with
normal brightness (automatic
operation is disabled).
Use the show system operation command to check the
information displayed for Brightness mode.
 normal displayed:
LED operation is set to normal brightness. Check the setting
of the system port-led trigger configuration
command.
If mc is not set in the system port-led trigger
command, insertion or removal of a memory card is specified
as the trigger for automatic operation. Specify the insertion
or removal of a memory card as the trigger for automatic
operation.
 Other than above:
Check the configuration.