Cisco Firepower 4100 Series Manual - Halaman 25

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Halaman Cetak

Overview

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.

The fan modules are numbered left to right, for example, FAN1, FAN2, FAN3, FAN4, FAN5, and FAN6.

See

Remove and Replace the Fan Module

The following figure shows the location of the fan LED.

Amber LED (Fail

Status)

Off

1 Hz flashing

Off

for the procedure for removing and replacing the fan module.

Fan Modules

Green LED (OK Status)

Off

1 Hz flashing

Overview