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XFP port LEDs
The LPUs provide two LEDs (LINK and ACT) for each XFP port to indicate the link status and data
receiving/forwarding status of the XFP ports.
Table 45 XFP port LED description
LINK
On
On
Off
Switching fabric module LEDs
The switching fabric module has one RUN LED and one ALM LED to indicate its operating status.
Table 46 Switching fabric module LED description
RUN LED
Flashing (0.5 Hz)
Off
Flashing (0.5 Hz)
Off
On
Fan tray status LEDs
The fan trays for the switch have one OK LED and one FAIL LED to indicate its operating status.
Table 47 Fan tray LED description
OK
On
Off
Off
ACT
Description
A link is present, and the XFP interface is receiving or sending
Flashing
data.
Off
A link is present, but no data is being received or sent.
Off
No link is present.
ALM LED
Description
Off
The switching fabric module is working properly.
On
The switching fabric module is faulty.
The temperature of the switching fabric module has exceeded the
On
upper or lower limit.
Off
The switching fabric module has not started.
Off
The switching fabric module is up.
FAIL
Description
Off
The fan tray is working properly.
On
The fan tray is faulty.
Off
The fan tray is not powered on.
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Troubleshooting
