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Figure 7 12504 fan tray
Figure 8 12508 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 12500 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 12508 as an example.
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