Specifications

Installation and Configuration
3
Cisco 4400 Series Wireless LAN Controllers - Installation and Configuration Guide
78-17157-01
The following figure 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 Cisco 4400 Series
Power Supply Quick Start Guide.
Note All controller models come from the factory with integral 19-inch EIA equipment rack flush-mount ears.
The 4402 controller uses one set of two redundant front-panel SX/LC/T SFP modules uses two while the
4404 controller uses sets of two redundant front-panel SX/LC/T SFP modules:
• 1000BASE-SX SFP modules provide a 1000 Mbps wired connection to a network through an
850nM (SX) fiber-optic link using an LC physical connector.
• 1000BASE-LX SFP modules provide a 1000 Mbps wired connection to a network through a
1300nM (LX/LH) fiber-optic link using an LC physical connector.
• 1000BASE-T SFP modules provide a 1000 Mbps wired connection to a network through a copper
link using an RJ-45 physical connector.
• One or Two Enhanced Security Modules. Refer to Enhanced Security Module for the Cisco 4400
Series Wireless LAN Controller Quick Start Guide.