Cisco 4404 - Wireless LAN Controller Spezifikationen PDF herunterladen (Seite 12)

Installation and Configuration

Quick Start Guide: Cisco 4400 Series Wireless LAN Controllers

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4402 Series Controller

There are three types of 4402 series controllers:

• AIR-WLC4402-12-K9—This 4402-12 controller uses two GigE connections to bypass single

network failures or a port failure. One of the GigE ports can be configured as the primary port and

the other can be configured as the secondary port. If there is a network failure or if the primary port

goes down, then the interfaces on the primary port are shifted to the secondary port. When the

primary port becomes active again, the interfaces are shifted back to the primary port. The 4402

controller has one back-panel slot for future expansion modules and communicates with up to 12

access points

• AIR-WLC4402-25-K9—This 4402-25 controller uses two GigE connections to bypass single

network failures, and communicates with up to 25 access points. It has one back-panel slot for future

expansion modules.

• AIR-WLC4402-50-K9—This 4402-50 controller uses two GigE connections to bypass single

network failures, and communicates with up to 50 access points. It has one back-panel slot for future

expansion modules.

4404 Series Controller

There is only one type of 4404 series controller:

• AIR-WLC4404-100-K9—This 4404-100 controller uses four GigE connections to bypass one or

two single network failures, and communicates with up to 100 access points. It has two back-panel

slots for future expansion modules.

For information on installing the network adapter modules, refer to Quick Start Guide: 1000BASE-SX,

1000BASE-LX, and 1000BASE-T SFP Modules for Cisco 4400 Series Wireless LAN Controllers.

Figure 1 shows the back panel of a 4404 controller:

Figure 1 4404 Series Controller

Note The 4404 controller has two back-panel slots for future expansion modules, while the 4402 controller

has one back-panel slots for a future expansion module.

The controllers can accommodate a second, redundant power supply. Refer to the Quick Start Guide:

Power Supplies for Cisco 4400 Series Wireless LAN Controllers for more information on installing a

second power supply.

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Cisco 4404 - Wireless LAN Controller Spezifikationen Seite 12