Cisco 3110 Manual - Page 26

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Dual Fan Modules

Figure 12: Power Supply Module LEDs

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• See

Dual Fan Modules

The Secure Firewall 3100 has two fan modules that provide 3 + 1 redundancy. Each fan module has two fans

and each fan has two independent fan rotors. The fan rotors are monitored individually, and this gives 8 fan

rotors per system. When one fan rotor fails, all others spin at maximum speed so that the system continues to

function. The dual fan modules are hot-swappable and installed in the rear of the chassis.

The following figure shows the location of the fan LED on the fan module.

Overview

Amber FAIL LED

Fail LED Status:

• Off—No fault detected.

• Amber, flashing—Fault warning, power

supply may still work but could fail due to

high temperature, failing fan, or over current.

• Amber—Fault detected; power supply not

working properly. Includes over voltage,

over current, over temperature, and fan

failure.

Remove and Replace the Power Supply Module

power supply module in the Secure Firewall 3100.

Green OK LED

OK LED Status:

• Off—Input power not present.

• Green, flashing—Input power present, but

system is not powered up (power switch is

off).

• Green—The power supply module is enabled

and running.

for the procedure for removing and replacing the

Overview