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Warning
There is the danger of explosion if the battery is replaced incorrectly. Replace the battery
only with the same or equivalent type recommended by the manufacturer. Dispose of
used batteries according to the manufacturer’s instructions.
Statement 1015
Warning
This equipment must be grounded. Never defeat the ground conductor or operate the
equipment in the absence of a suitably installed ground conductor. Contact the
appropriate electrical inspection authority or an electrician if you are uncertain that
suitable grounding is available.
Statement 1024
Warning
Ultimate disposal of this product should be handled according to all national laws and
regulations.
Statement 1040
Safety Considerations
• Verify that the ambient temperature remains between 32 to 104° F (0 to 40° C), taking into
account the elevated temperatures when installed in a rack or enclosed space.
• When multiple 2504 controllers are mounted in an equipment rack, be sure that the power source
is sufficiently rated to safely run all the equipment in the rack (input: 100 to 240 VAC, 50–60 Hz,
output: 80 W per controller).
• Verify the integrity of the electrical ground before installing the controller.
Introduction to the Controller
The 2504 controller works in conjunction with Cisco lightweight access points and the Cisco Wireless
Control System (WCS) to provide system-wide wireless LAN functions. As a component of the Cisco
Unified Wireless Network (CUWN), the 2504 controller provides real-time communication between
wireless access points and other devices to deliver centralized security policies, guest access, Wireless
Intrusion Prevention System (WIPS), context-aware (location), award-winning RF management,
quality of services for mobility services such as voice and video, and OEAP support for the Teleworker
solution.
The 2504 controllers supports up to 50 lightweight access points in increments of 5 access points with
a minimum of 5 access points, making it a cost-effective solution for retail, enterprise branches, and
small and medium-sized businesses. The 2504 controller comes with four 4 Gigabit Ethernet ports.