Cisco 3110 Hardware Installation Manual page 75

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Installation, Maintenance, and Upgrade

Figure 48: Remove the Dual Fan Module

Handle

Step 4

To replace a fan module, hold the fan module in front of the fan slot.

Step 5

Press the squeeze tabs on the sides of the fan module and push the it into the chassis.

Step 6

Grasp the handle and push until the fan module is properly seated.

If the system is powered on, listen for the fans. You should immediately hear the fans operating. If you do not hear the

fans, make sure the fan module is inserted completely into the chassis and the faceplate is flush with the outside surface

of the chassis.

Step 7

Verify that the fan is operational by checking the fan module LED. See

of the fan LEDs.

Remove and Replace the Power Supply Module

Power supply modules are hot-swappable. You can remove and replace power supply modules while the

system is running.

Squeeze tabs

Cisco Secure Firewall 3110, 3120, 3130, and 3140 Hardware Installation Guide

Remove and Replace the Power Supply Module

Front Panel LEDs, on page 11

for a description

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