H3C Technologies H3C S12500-X Series Switches - Manual (Page 118)

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Fan tray status LED
Table 47 Fan tray LED description
LED State Description
FAN
Green The fan trays are operating correctly.
Red A fan tray problem is present or no fan tray is in position.
Off The switch is not powered on.
MPU LED
Table 48 MPU LED description
LED State Description
MPU
Green The MPUs are operating correctly.
Red A minimum of one MPU is faulty or is loading software.
Off The switch is not powered on, or the MPU has not started loading software.
Switching fabric module LED
The FAB LED indicates the operating status of the switching fabric modules.
Table 49 Switching fabric module LED description
LED State Description
FAB
Green The switching fabric modules are operating correctly.
Red A minimum of one switching fabric module is faulty or loading software.
Off
The switch is not powered on, or the switching fabric module has not
started loading software.
LPU LED
Table 50 LPU LED description
LED State Description
LPU
Green The LPUs are operating correctly.
Red A minimum of one LPU is faulty or loading software.
Off The switch is not powered on, or the LPU has not started loading software.
MPU LEDs
All MPU models of the switch provide the same LEDs. This section uses the LSX1SUP10A1 as an example.