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Table 45
EPON interface status LED description
LED LED
status
Description
EPON interface status
LED
On
The connected ONU is successfully registered.
Off
The connected ONU is not registered, or no ONU is
connected.
Switching fabric module LEDs
The S7508E-X switch provides switching fabric module LEDs (RUN and ALM) to indicate the operating
status of the switching fabric module.
Table 46
Switching fabric module LED description
LEDs
Description
RUN ALM
Flashing (0.5 Hz)
Off
The switching fabric module is operating correctly.
Off
On
The switching fabric module is faulty.
Flashing (0.5 Hz)
On
The temperature of the switching fabric module exceeds the upper
or lower limit.
Off
Off
The switching fabric module has not been started.
On
Off
The switching fabric module is starting up.
Fan tray LEDs
The S7508E-X switch provides fan tray LEDs (OK and FAIL) to indicate the operating status of the fan tray.
Table 47
Fan tray LED description
LEDs
Description
OK FAIL
On
Off
The fan tray is operating correctly.
Off
On
The fan tray is faulty.
Off
Off
The fan tray is not powered on.
Power module LEDs
The LSUM2AC2500 power module supported by the S7508E-X switch provides power module LEDs (AC
and DC) to indicate the operating status of the power module.
Summary of Contents for S7508E-X
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