H3C Technologies H3C S12500 Series Switches - Manual (Page 140)

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LED Status Description
Off No power is being input.
Flashing The input power has exceeded the threshold.
Output
Steady on The power is being output properly.
Off No power is being output.
Flashing The power output is overloaded.
Service
Steady on The AC power supply is experiencing an over-temperature condition.
Off The AC power supply is operating properly.
Fault
Steady on The AC power supply is faulty.
Off The AC power supply is operating properly.
Fan LEDs
Table 46 Fan LED description
LED Status Description
RUN
Off The fan tray has failed.
Flashing The fan tray is operating properly.
ALM
Off The fan tray is in a normal state.
Flashing The fan tray is faulty.
Steady on The fan tray is faulty.
MPU LEDs
Figure 84 MPU LEDs
(1) CF card status LED (CFS) (2) Switching fabric module LED (SFC) (3) LPU status LED (LC)
(4) Fan status LED (FAN) (5) Power status LED (PWR) (6) MPU status LED (ACT)
(7) MPU status LED (RUN) (8) Network management port LED (LINK) (9) Network management port LED
(ACT)