H3C Technologies H3C S12500 Series Switches - Manual (Page 19)

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Figure 7 S12504 fan tray
Figure 8 S12508 fan tray
Table 2 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.
Power supply system
The S12500 switches provide both AC powered chassis and DC powered chassis. You can select the
type of power supply system and the number of power supplies as needed. The following takes the power
frame for the S12508 as an example.