Cisco Systems UCSCRAIDMZ220 User Manual

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1300 Series Outdoor Access Point/Bridge and Cisco Aironet 1300 Series Access Point/Bridge Power Injector.

Aironet 1500 Series APs

You can use either of these methods in order to power the Aironet 1500 Series APs:

Local AC power


Power that is supplied at the top of streetlight poles is AC power. Use the Aironet 1500 Series Streetlight Power Tap in order to plug the AP into this power source.

When an Aironet 1500 Series AP is installed on the roof of a building, you can use a power injector in order to supply PoE. The power injector converts AC power into DC power and sends the power along with the Ethernet signal to the AP. Use the Aironet 1500 Series Power Injector, along with the Aironet 1500 Series Outdoor Ethernet Cable, in order to power the AP. Do not use any other power injector. You need to specify the country−specific power cord with the power injector.

Note: You must use only the power injector that is specified for this model of access point in order to power up these APs. Power options such as PoE switches, and 802.3af power sources do not provide adequate power, which can cause the access point to malfunction and cause over−current conditions at the power source.

Note: You must ensure that the switch port connected to the access point has PoE turned off in order to avoid the AP being powered up through a PoE switch.

Note: This is because when the AP is powered through PoE switches, the AP experiences poor signal strength when implemented in a long distance range. APs powered through Power Injector do not experience this problem.

Aironet 1000 Series Lightweight APs

The Aironet 1000 Series Lightweight AP is an 802.11a/b/g dual−band, zero−touch configuration and management AP. It delivers secure, cost−effective wireless access with advanced WLAN services for Enterprise deployments. You can power the 1000 Series Lightweight APs with the PoE option or with an external power supply. IEEE standards−based 802.3af PoE allows you to power the 1000 Series Lightweight APs over unused pairs in the Ethernet cable. A power injector or a switch with inline power is necessary in order to power the AP with the PoE option. The external power supply option allows the 1000 Series Lightweight APs to be easily moved during the site survey in order to verify radio frequency (RF) building characteristics.

Cisco 2000 Series WLCs

The Cisco 2000 Series WLC supports up to six lightweight APs, which makes it ideal for small− to medium−sized Enterprise facilities, such as branch offices. The PoE option is not supported on the 2000 Series WLC because the controller does not supply PoE. In order to use PoE to power APs, you must use a Cisco PoE injector or an external third−party PoE injector. The controller is powered by an external power supply that accepts power from an electrical outlet (100 to 240 VAC, 50 to 60 Hz).

Cisco 2100 Series WLCs

The Cisco® 2106 Wireless LAN Controller works in conjunction with Cisco lightweight access points and the Cisco Wireless Control System (WCS) in order to provide system−wide wireless LAN functions. As a component of the Cisco Unified Wireless Network, the Cisco 2106 Wireless LAN Controller presents network administrators with the visibility and control necessary to effectively and securely manage business−class WLANs and mobility services, such as voice, guest access, and location services.

The 2100 controller is powered by an external power supply that accepts power from an electrical outlet (100 to 240 VAC, 50 to 60 Hz).

Cisco 2100 series controllers have eight 10/100 copper Ethernet distribution system ports through which the controller can support up to six access points. Two of these ports (7 and 8) are Power over Ethernet (PoE) enabled and can be used to provide power directly to access points that are connected to these ports.

Cisco 4100 Series and 4400 Series WLCs

The Cisco 4100 Series WLCs and 4400 Series WLCs are designed for medium− to large−sized Enterprise facilities. Both series support the PoE option. You can use the PoE option to power the lightweight APs that connect to the controller. In addition, each 4400 WLC supports an optional redundant power supply in order to ensure maximum availability.

Cisco 5500 Series WLCs

The Cisco 5500 Series Wireless Controller is a highly scalable and flexible platform that enables systemwide services for mission−critical wireless in medium to large−sized enterprises and campus environments. The controller can be powered using one or two power supply units. When the controller is equipped with two power supply units, the power supplies are redundant. Either power supply continues to power the controller should the other power supply unit fail. Also, the power supplies are hot swappable; you do not need to remove power from the controller to replace a power supply. For more information on power supply to the WLC, refer to Installing a Power Supply Unit section of the Cisco 5500 Series Wireless Installation Guide.

Related Information

Cisco Aironet 350 Series Troubleshooting TechNotes

Cisco Aironet Power Over Ethernet Application Note

Wireless Support Page

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Updated: May 29, 2008

Document ID: 21480