Cisco Firepower 4150 Руководство - Страница 20

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Fan Modules

Figure 13: Power Supply Module LEDs

The following table describes the power module supply LEDs and their states.

Table 9: Power Supply Module LEDs

No power to all power supplies

Power supply module failure

Includes overvoltage, overcurrent, overtemperature,

and fan failure

Power supply module warning events

Power supply continues to operate.

With high temperature, high power, and slow fan

Power is present.

3.3 VSB on (power supply module off)

Power supply module is OK and on.

Fan Modules

The Firepower 4100 requires six fan modules, which are hot-swappable. They are installed in the rear of the

chassis. The system supports operation with a single fan failure (N+1 fan redundancy), but do not run the

system for an extended amount of time without all fan modules installed. Keep removal and replacement time

at three minutes. Remove and replace one fan module at a time.

If you remove a fan or a fan fails, the other fans operate at full speed, which can be noisy.

Overview

Amber FAIL LED

Green OK LED

Amber LED (Fail

Green LED (OK Status)

Status)

Off

1 Hz flashing

Off

1 Hz flashing

Off

Overview