Cisco Systems 102056 User Manual

CISCO CONFIDENTIAL_Draft 1

Channels and Maximum Power Settings
for Cisco Aironet Access Points and
Bridges

August, 2006

Corporate Headquarters

Cisco Systems, Inc.
170 West Tasman Drive
San Jose, CA 95134-1706
USA
http://www.cisco.com
Tel: [phone]

800 553-NETS (6387)

Fax: [phone]

Customer Order Number:
Text Part Number: OL--11142-01

CISCO CONFIDENTIAL_Draft 1

THE SPECIFICATIONS AND INFORMATION REGARDING THE PRODUCTS IN THIS MANUAL ARE SUBJECT TO CHANGE WITHOUT NOTICE. ALL
STATEMENTS, INFORMATION, AND RECOMMENDATIONS IN THIS MANUAL ARE BELIEVED TO BE ACCURATE BUT ARE PRESENTED WITHOUT
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OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.

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environment. This equipment generates, uses, and can radiate radio-frequency energy and, if not installed and used in accordance with the instruction manual, may cause
harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case users will be required
to correct the interference at their own expense.

The following information is for FCC compliance of Class B devices: The equipment described in this manual generates and may radiate radio-frequency energy. If it is not
installed in accordance with Cisco’s installation instructions, it may cause interference with radio and television reception. This equipment has been tested and found to
comply with the limits for a Class B digital device in accordance with the specifications in part 15 of the FCC rules. These specifications are designed to provide reasonable
protection against such interference in a residential installation. However, there is no guarantee that interference will not occur in a particular installation.

Modifying the equipment without Cisco’s written authorization may result in the equipment no longer complying with FCC requirements for Class A or Class B digital
devices. In that event, your right to use the equipment may be limited by FCC regulations, and you may be required to correct any interference to radio or television
communications at your own expense.

You can determine whether your equipment is causing interference by turning it off. If the interference stops, it was probably caused by the Cisco equipment or one of its
peripheral devices. If the equipment causes interference to radio or television reception, try to correct the interference by using one or more of the following measures:

• Turn the television or radio antenna until the interference stops.

• Move the equipment to one side or the other of the television or radio.

• Move the equipment farther away from the television or radio.

• Plug the equipment into an outlet that is on a different circuit from the television or radio. (That is, make certain the equipment and the television or radio are on circuits
controlled by different circuit breakers or fuses.)

Modifications to this product not authorized by Cisco Systems, Inc. could void the FCC approval and negate your authority to operate the product.

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Channels and Maximum Power Settings for Cisco Aironet Access Points and Bridges

© 2006 Cisco Systems, Inc. All rights reserved.

CISCO CONFIDENTIAL_Draft 1

CONTENTS

CHAPTER

CHAPTER

1 Cisco Aironet 1000 Series Access Points 1-1

Channels and Maximum Power Levels 1-2

IEEE 802.11b/g (2.4-GHz Band) 1-2
IEEE 802.11a (5-GHz Band) 1-3
Special Country Restrictions 1-6
Changing the Lightweight Access Point Output Power 1-6

2 Cisco Aironet 1100 Series Access Points 2-1

Channels and Power Settings for Autonomous Access Points 2-2

Channels 2-2

AIR-AP1120B IEEE 802.11b (2.4-GHz Band) 2-2
AIR-AP1121G IEEE 802.11g (2.4-GHz Band) 2-3

Maximum Power Levels 2-3

AIR-AP1120B IEEE 802.11b (2.4-GHz Band) 2-3
AIR-1121G IEEE 802.11g (2.4-GHz Band) 2-4

Channels and Power Settings for Lightweight Access Points 2-5

Channels 2-5

AIR-LAP1121G IEEE 802.11g (2.4-GHz Band) 2-5

Maximum Power Levels 2-6

IEEE 802.11b (2.4-GHz Band) 2-6
IEEE 802.11g (2.4-GHz Band) 2-6

Changing the Lightweight Access Point Output Power 2-7

CHAPTER

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3 Cisco Aironet 1130 Series Access Points 3-1

Channels and Power Settings for Autonomous Access Points 3-2

Channels and Maximum Power Levels 3-2

IEEE 802.11b/g (2.4-GHz Band) 3-2

IEEE 802.11a (5-GHz Band) 3-2
Special Country Restrictions 3-4
Changing Access Point Output Power 3-4

Channels and Power Settings for Lightweight Access Points 3-5

Channels and Maximum Power Levels 3-5

IEEE 802.11b/g (2.4-GHz Band) 3-5

IEEE 802.11a (5-GHz Band) 3-5

Channels and Maximum Power Settings for Cisco Aironet Access Points and Bridges

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Special Country Restrictions 3-7
Changing the Lightweight Access Point Output Power 3-7

CHAPTER

4 Cisco Aironet 1200 Series Access Points 4-1

Channels and Power Settings for Autonomous Access Points 4-2

Channels 4-2

IEEE 802.11b (2.4-GHz Band) 4-2
IEEE 802.11g (2.4-GHz Band) 4-3
IEEE 802.11a (5-GHz Band) 4-4

Maximum Power Levels and Antenna Gains 4-6

IEEE 802.11b (2.4-GHz Band) 4-6
IEEE 802.11g (2.4-GHz Band) 4-7
IEEE 802.11a (5-GHz Band) 4-8
Maximum Power Levels in Some Regulatory Domains with External Antennas 4-12

Special Country Restrictions 4-13
Power Conversion Table 4-13
Changing Access Point Output Power 4-14

Channels and Power Settings for Lightweight Access Points 4-15

Channels 4-15

IEEE 802.11g (2.4-GHz Band) 4-15

IEEE 802.11a (5-GHz Band) 4-15
Maximum Power Levels and Antenna Gains 4-17

IEEE 802.11g (2.4-GHz Band) 4-17

IEEE 802.11a (5-GHz Band) 4-17

Maximum Power Levels in Some Regulatory Domains with External Antennas 4-21

Special Country Restrictions 4-22
Power Conversion Table 4-22
Changing the Lightweight Access Point Output Power 4-22

CHAPTER

iv

5 Cisco Aironet 1240AG Series Access Points 5-1

Channels and Power Settings for Autonomous Access Points 5-2

Channels and Maximum Power Levels 5-2

IEEE 802.11b/g (2.4-GHz Band) 5-2

IEEE 802.11a (5-GHz Band) 5-2

Maximum Power Levels in Some Regulatory Domains with External Antennas 5-4

Special Country Restrictions 5-6
Changing Access Point Output Power 5-6

Channels and Power Settings for Lightweight Access Points 5-7

Channels and Maximum Power Levels 5-7

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Maximum Power Levels in Some Regulatory Domains with External Antennas 5-9
Special Country Restrictions 5-11

Changing the Lightweight Access Point Output Power 5-11

Contents

CHAPTER

6 Cisco Aironet 1250 Series Access Point 6-1

Channels and Power Settings for Autonomous Access Points 6-2

Channels and Maximum Power Levels 6-2

IEEE 802.11b/g (2.4-GHz Band) on Single Radio Models 6-2
IEEE 802.11b/g (2.4-GHz Band) on Dual Radio Models 6-3

IEEE 802.11a (5-GHz Band) 6-3
Maximum Power Levels in Some Regulatory Domains with External Antennas 6-5
Special Country Restrictions 6-7
Changing Access Point Output Power 6-7

Channels and Power Settings for Lightweight Access Points 6-8

Channels and Maximum Power Levels 6-8

IEEE 802.11b/g (2.4-GHz Band) on Single Radio Models 6-8

IEEE 802.11b/g (2.4-GHz Band) on Dual Radio Models 6-9

IEEE 802.11a (5-GHz Band) 6-9
Maximum Power Levels in Some Regulatory Domains with External Antennas 6-11
Special Country Restrictions 6-13
Changing Access Point Output Power 6-13

CHAPTER

7 Cisco Aironet 1300 Series Access Points/Bridges 7-1

Channels and Power Settings for Autonomous Access Points/Bridges 7-2

Channels 7-2

IEEE 802.11b/g (2.4-GHz Band) 7-2
Maximum Power Levels and Antenna Gains 7-3

IEEE 802.11b/g (2.4-GHz Band) 7-3
Changing the Autonomous Access Point/Bridge Output Power 7-4

Channels and Power Settings for Lightweight Access Points/Bridges 7-6

Channels 7-6

IEEE 802.11g (2.4-GHz Band) 7-6
Maximum Power Levels and Antenna Gains 7-7

IEEE 802.11b/g (2.4-GHz Band) 7-7
Changing the Lightweight Access Point Output Power 7-8
Power Conversion Table 7-10

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Channels and Maximum Power Settings for Cisco Aironet Access Points and Bridges

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CHAPTER

CHAPTER

8 Cisco Aironet 1400 Series Outdoor Bridges 8-1

Channels 8-2

IEEE 802.11a (5.8-GHz Band) 8-2

Maximum Power Levels 8-3

5.8-GHz Band 8-3

9 Cisco Aironet 1500 Series Mesh Access Points 9-1

Channels and Maximum Power Levels 9-2

IEEE 802.11b/g (2.4-GHz Band) 9-2
IEEE 802.11a (5-GHz Band) 9-3

Antenna Settings 9-4

Maximum Power Levels Allowed in Some Regulatory Domains 9-4
Special Country Restrictions 9-5

Changing the Lightweight Access Point Output Power 9-6

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Audience

CISCO CONFIDENTIAL - Draft 1

Preface

This guide is for the networking professional who installs and manages Cisco Aironet access points and
bridges. To use this guide with autonomous access points and bridges, you should have experience
working with Cisco IOS software and be familiar with the concepts and terminology of wireless local
area networks.

To use this guide with lightweight access points, you should have experience working with a Cisco
Wireless LAN Controller and be familiar with the concepts and terminology of wireless local area
networks.

Purpose

This guide provides the channel and maximum power settings you need to install your autonomous or
lightweight access points and bridges in supported regulatory regions.

For detailed information about Cisco IOS commands used with autonomous access points and bridges,
refer to the Cisco IOS Command Reference for Cisco Aironet Access Points and Bridges for this release.
For information about the standard Cisco IOS Release 12.3 commands, refer to the Cisco IOS
documentation set available from the Cisco.com home page at Technical Support & Documentation.
On the Technical Support & Documentation home page, click Cisco IOS Software > Cisco IOS
Software Releases 12.3 Mainline.

For hardware information about Cisco Aironet access points and bridges, refer to the product hardware
installation guides for your access points and bridges available from the Cisco.com home page at

Technical Support & Documentation. On the Technical Support & Documentation home page, click
Wireless and the product are listed under the “Wireless LAN Access” section. Choose the needed

product, then click Install and Upgrade Guides on the product documentation page.

For information about Cisco Wireless LAN Controllers, refer to the Cisco documentation sets available
from the Cisco.com home page at Technical Support & Documentation. On the Technical Support &
Documentation home page, click Wireless and the documentation is listed under the “Wireless LAN
Controllers” section.

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Organization

Organization

This guide is organized into these chapters:

Chapter 1, “Cisco Aironet 1000 Series Access Points,” lists the 1000 series lightweight access point

radio channels and the maximum power levels supported by the world’s regulatory domains.

Chapter 2, “Cisco Aironet 1100 Series Access Points,” lists the 1100 series autonomous and lightweight

access point radio channels and the maximum power levels supported by the world’s regulatory domains.

Chapter 3, “Cisco Aironet 1130AG Series Access Points,” lists the 1130AG series autonomous and

lightweight access point radio channels and the maximum power levels supported by the world’s
regulatory domains.

Chapter 4, “Cisco Aironet 1200 Series Access Points,” lists the 1200 series autonomous and lightweight

access point radio channels and the maximum power levels supported by the world’s regulatory domains.

Chapter 5, “Cisco Aironet 1240AG Series Access Points,” lists the 1240AG series autonomous and

lightweight access point radio channels and the maximum power levels supported by the world’s
regulatory domains.

Chapter 6, “Cisco Aironet 1250 Series Access Point,” lists the 1250 series autonomous and lightweight

access point radio channels and the maximum power levels supported by the world’s regulatory domains.

Chapter 7, “Cisco Aironet 1300 Series Access Point/Bridge,” lists the 1300 series autonomous and

lightweight outdoor access point/bridge radio channels and the maximum power levels supported by the
world’s regulatory domains.

Chapter 8, “Cisco Aironet 1400 Series Outdoor Bridges,” lists the 1400 series autonomous bridge radio

channels and the maximum power levels supported by the world’s regulatory domains.

Preface

CISCO CONFIDENTIAL - Draft 1

Chapter 9, “Cisco Aironet 1500 Series Mesh Access Points,” lists the 1500 series lightweight outdoor

mesh access point radio channels and the maximum power levels supported by the world’s regulatory
domains.

Conventions

This publication uses these conventions to convey instructions and information:

Interactive examples use these conventions:

Notes, cautions, and timesavers use these conventions and symbols:

Tip Means the following will help you solve a problem. The tips information might not be troubleshooting

or even an action, but could be useful information.

Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in

this manual.

• Terminal sessions and system displays are in screen font.

• Information you enter is in boldface screen font.

• Nonprinting characters, such as passwords or tabs, are in angle brackets (< >).

Cisco Aironet 1100 Series Access Point Hardware Installation Guide

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Preface

CISCO CONFIDENTIAL - Draft 1

Caution Means reader be careful. In this situation, you might do something that could result equipment damage

or loss of data.

Related Publications

These documents provide information about the access points and bridges:

• Cisco Aironet 1000 Series Lightweight Access Point Hardware Installation Guide

• Cisco Aironet 1100 Series Access Point Hardware Installation Guide

• Cisco Aironet 1130AG Series Access Point Hardware Installation Guide

• Cisco Aironet 1200 Series Access Point Hardware Installation Guide

• Cisco Aironet 1240AG Series Access Point Hardware Installation Guide

• Cisco Aironet 1250 Series Access Point Hardware Installation Guide

• Cisco Aironet 1300 Series Access Point/Bridge Hardware Installation Guide

Related Publications

• Cisco Aironet 1400 Series Bridge Hardware Installation Guide

• Cisco Aironet 1500 Series Lightweight Outdoor Mesh Access Point Hardware Installation Guide

• Cisco IOS Software Configuration Guide for Cisco Aironet Access Points

• Cisco Wireless LAN Controller Configuration Guide

Click this link to browse to the Cisco Wireless documentation home page:

http://www.cisco.com/en/US/products/hw/wireless/tsd_products_support_category_home.html

To browse to the access point and bridge documentation, click a product listed under “Wireless LAN
Access.”

To browse to the Cisco Wireless LAN Controller documentation, click Cisco 4400 Series Wireless LAN
Controllers or Cisco 2000 Series Wireless LAN Controllers listed under “Wireless LAN Controllers.”

Obtaining Documentation

Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several
ways to obtain technical assistance and other technical resources. These sections explain how to obtain
technical information from Cisco Systems.

Cisco.com

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You can access the most current Cisco documentation at this URL:

http://www.cisco.com/techsupport

You can access the Cisco website at this URL:

http://www.cisco.com

You can access international Cisco websites at this URL:

http://www.cisco.com/public/countries_languages.shtml

Cisco Aironet 1100 Series Access Point Hardware Installation Guide

iii

Documentation Feedback

CISCO CONFIDENTIAL - Draft 1

Product Documentation DVD

Cisco documentation and additional literature are available in the Product Documentation DVD package,
which may have shipped with your product. The Product Documentation DVD is updated regularly and
may be more current than printed documentation.

The Product Documentation DVD is a comprehensive library of technical product documentation on
portable media. The DVD enables you to access multiple versions of hardware and software installation,
configuration, and command guides for Cisco products and to view technical documentation in HTML.
With the DVD, you have access to the same documentation that is found on the Cisco website without
being connected to the Internet. Certain products also have .pdf versions of the documentation available.

The Product Documentation DVD is available as a single unit or as a subscription. Registered Cisco.com
users (Cisco direct customers) can order a Product Documentation DVD (product number
DOC-DOCDVD=) from the Ordering tool or Cisco Marketplace.

Cisco Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

Cisco Marketplace:

http://www.cisco.com/go/marketplace/

Preface

Ordering Documentation

Beginning June 30, 2005, registered Cisco.com users may order Cisco documentation at the Product
Documentation Store in the Cisco Marketplace at this URL:

http://www.cisco.com/go/marketplace/

Cisco will continue to support documentation orders using the Ordering tool:

• Registered Cisco.com users (Cisco direct customers) can order documentation from the

Ordering tool:

http://www.cisco.com/en/US/partner/ordering/

• Instructions for ordering documentation using the Ordering tool are at this URL:

http://www.cisco.com/univercd/cc/td/doc/es_inpck/pdi.htm

• Nonregistered Cisco.com users can order documentation through a local account representative by

calling Cisco Systems Corporate Headquarters (California, USA) at 408 526-7208 or, elsewhere in
North America, by calling 1 800 553-NETS (6387).

Documentation Feedback

You can rate and provide feedback about Cisco technical documents by completing the online feedback
form that appears with the technical documents on Cisco.com.

You can send comments about Cisco documentation to [e-mail].

iv

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CISCO CONFIDENTIAL - Draft 1

You can submit comments by using the response card (if present) behind the front cover of your
document or by writing to the following address:

Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883

We appreciate your comments.

Cisco Product Security Overview

Cisco provides a free online Security Vulnerability Policy portal at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html

From this site, you can perform these tasks:

• Report security vulnerabilities in Cisco products.

• Obtain assistance with security incidents that involve Cisco products.

Cisco Product Security Overview

• Register to receive security information from Cisco.

A current list of security advisories and notices for Cisco products is available at this URL:

http://www.cisco.com/go/psirt

If you prefer to see advisories and notices as they are updated in real time, you can access a Product
Security Incident Response Team Really Simple Syndication (PSIRT RSS) feed from this URL:

http://www.cisco.com/en/US/products/products_psirt_rss_feed.html

Reporting Security Problems in Cisco Products

Cisco is committed to delivering secure products. We test our products internally before we release them,
and we strive to correct all vulnerabilities quickly. If you think that you might have identified a
vulnerability in a Cisco product, contact PSIRT:

• Emergencies— [e-mail]

An emergency is either a condition in which a system is under active attack or a condition for which
a severe and urgent security vulnerability should be reported. All other conditions are considered
nonemergencies.

• Nonemergencies— [e-mail]

In an emergency, you can also reach PSIRT by telephone:

• 1 877 228-7302

• 1 408 525-6532

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Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive

information that you send to Cisco. PSIRT can work from encrypted information that is compatible with
PGP versions 2.x through 8.x.

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Obtaining Technical Assistance

CISCO CONFIDENTIAL - Draft 1

Never use a revoked or an expired encryption key. The correct public key to use in your correspondence
with PSIRT is the one linked in the Contact Summary section of the Security Vulnerability Policy page
at this URL:

http://www.cisco.com/en/US/products/products_security_vulnerability_policy.htm

The link on this page has the current PGP key ID in use.

Obtaining Technical Assistance

Cisco Technical Support provides 24-hour-a-day award-winning technical assistance. The Cisco
Technical Support & Documentation website on Cisco.com features extensive online support resources.
In addition, if you have a valid Cisco service contract, Cisco Technical Assistance Center (TAC)
engineers provide telephone support. If you do not have a valid Cisco service contract, contact your
reseller.

Cisco Technical Support & Documentation Website

Preface

The Cisco Technical Support & Documentation website provides online documents and tools for
troubleshooting and resolving technical issues with Cisco products and technologies. The website is
available 24 hours a day, at this URL:

http://www.cisco.com/techsupport

Access to all tools on the Cisco Technical Support & Documentation website requires a Cisco.com user
ID and password. If you have a valid service contract but do not have a user ID or password, you can
register at this URL:

http://tools.cisco.com/RPF/register/register.do

Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting

a web or phone request for service. You can access the CPI tool from the Cisco Technical Support &
Documentation website by clicking the Tools & Resources link under Documentation & Tools. Choose

Cisco Product Identification Tool from the Alphabetical Index drop-down list, or click the Cisco
Product Identification Tool link under Alerts & RMAs. The CPI tool offers three search options: by

product ID or model name; by tree view; or for certain products, by copying and pasting show command
output. Search results show an illustration of your product with the serial number label location
highlighted. Locate the serial number label on your product and record the information before placing a
service call.

Submitting a Service Request

vi

Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3
and S4 service requests are those in which your network is minimally impaired or for which you require
product information.) After you describe your situation, the TAC Service Request Tool provides
recommended solutions. If your issue is not resolved using the recommended resources, your service
request is assigned to a Cisco engineer. The TAC Service Request Tool is located at this URL:

http://www.cisco.com/techsupport/servicerequest

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For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone.
(S1 or S2 service requests are those in which your production network is down or severely degraded.)
Cisco engineers are assigned immediately to S1 and S2 service requests to help keep your business
operations running smoothly.

To open a service request by telephone, use one of the following numbers:

Asia-Pacific: [phone] (Australia: 1 800 805 227)
EMEA: [phone]
USA: 1 800 553-2447

For a complete list of Cisco TAC contacts, go to this URL:

http://www.cisco.com/techsupport/contacts

Definitions of Service Request Severity

To ensure that all service requests are reported in a standard format, Cisco has established severity
definitions.

Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You
and Cisco will commit all necessary resources around the clock to resolve the situation.

Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco
will commit full-time resources during normal business hours to resolve the situation.

Severity 3 (S3)—Operational performance of your network is impaired, but most business operations
remain functional. You and Cisco will commit resources during normal business hours to restore service
to satisfactory levels.

Obtaining Additional Publications and Information

Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or
configuration. There is little or no effect on your business operations.

Obtaining Additional Publications and Information

Information about Cisco products, technologies, and network solutions is available from various online
and printed sources.

• Cisco Marketplace provides a variety of Cisco books, reference guides, documentation, and logo

merchandise. Visit Cisco Marketplace, the company store, at this URL:

http://www.cisco.com/go/marketplace/

• Cisco Press publishes a wide range of general networking, training and certification titles. Both new

and experienced users will benefit from these publications. For current Cisco Press titles and other
information, go to Cisco Press at this URL:

http://www.ciscopress.com

• Pack et magazine is the Cisco Systems technical user magazine for maximizing Internet and

networking investments. Each quarter, Packet delivers coverage of the latest industry trends,
technology breakthroughs, and Cisco products and solutions, as well as network deployment and
troubleshooting tips, configuration examples, customer case studies, certification and training
information, and links to scores of in-depth online resources. You can access Packet magazine at
this URL:

http://www.cisco.com/packet

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vii

Obtaining Additional Publications and Information

CISCO CONFIDENTIAL - Draft 1

• iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies

learn how they can use technology to increase revenue, streamline their business, and expand
services. The publication identifies the challenges facing these companies and the technologies to
help solve them, using real-world case studies and business strategies to help readers make sound
technology investment decisions. You can access iQ Magazine at this URL:

http://www.cisco.com/go/iqmagazine

or view the digital edition at this URL:

http://ciscoiq.texterity.com/ciscoiq/sample/

• Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering

professionals involved in designing, developing, and operating public and private internets and
intranets. You can access the Internet Protocol Journal at this URL:

http://www.cisco.com/ipj

• Networking products offered by Cisco Systems, as well as customer support services, can be

obtained at this URL:

http://www.cisco.com/en/US/products/index.html

• Networking Professionals Connection is an interactive website for networking professionals to share

questions, suggestions, and information about networking products and technologies with Cisco
experts and other networking professionals. Join a discussion at this URL:

http://www.cisco.com/discuss/networking

• World-class networking training is available from Cisco. You can view current offerings at

this URL:

Preface

http://www.cisco.com/en/US/learning/index.html

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CHA P TER

5

Cisco Aironet 1240AG Series Access Points

This chapter lists the 1240 series access point IEEE 802.11b/g (2.4-GHz) and IEEE 802.11a (5-GHz)
channels and the maximum power levels supported by the world’s regulatory domains. For additional
product hardware information refer to the Cisco Aironet 1240AG Series Access Point Hardware

Installation Guide.

The following topics are covered in this chapter:

• Channels and Power Settings for Autonomous Access Points, page 5-2

• Channels and Power Settings for Lightweight Access Points, page 5-7

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5-1

Chapter 5 Cisco Aironet 1240AG Series Access Points

Channels and Power Settings for Autonomous Access Points

CISCO CONFIDENTIAL_Draft 1

Channels and Power Settings for Autonomous Access Points

This section lists the 1100 series autonomous access point (AIR-AP1242AG-x-K9)
IEEE 802.11b/g (2.4-GHz) and the IEEE 802.11a (5-GHz) channels and maximum power levels
supported by the world’s regulatory domains.

Channels and Maximum Power Levels

IEEE 802.11b/g (2.4-GHz Band)

When shipped from the factory, the 1240 series access points support the channels and maximum power
levels listed in Table 5-1 for their regulatory domain.

Note Table 5-1 lists the power levels shipped from the factory. The B columns indicate IEEE 802.11b data

rates and the G columns indicate IEEE 802.11g data rates . In the –C, –E, –I, –K, and –S regulatory
domains, you must manually adjust power levels depending upon the antenna being used (see Tabl e 5- 3 ).

.

Table 5-1 Channels and Maximum Conducted Power for the 802.11b/g Radio with up to 10-dBi External Antennas

Maximum Conducted Power Levels (dBm) in the Regulatory Domains

Americas

Center

Channel

Id

1 2412 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

2 2417 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

3 2422 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

4 2427 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

5 2432 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

6 2437 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

7 2442 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

8 2447 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

9 2452 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

10 2457 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

11 2462 20 17 17 17 17 17 17 17 14 14 17 17 20 17 14 14 17 17 20 17

12 2467 – – 17 17 17 17 17 17 14 14 17 17 – – 14 14 17 17 – –

13 2472 – – 17 17 17 17 17 17 14 14 17 17 – – 14 14 17 17 – –

14 2484 ––––––––14–––––14–––––

Freq

(MHz)

(–A)

BGBGBGBGBGBGBGBGBGBG

China

(–C)

EMEA

(–E)

Israel

(–I)

Japan

(–J)

South
Korea

(–K)

Non-FCC

(–N)

Japan

(–P)

Singapore

(–S)

Taiwan

(–T)

IEEE 802.11a (5-GHz Band)

An improper combination of power level and antenna gain can result in equivalent isotropic radiated
power (EIRP) above the amount allowed per regulatory domain.

Channels and Maximum Power Settings for Cisco Aironet Access Points and Bridges

5-2

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Chapter 5 Cisco Aironet 1240AG Series Access Points

Channels and Power Settings for Autonomous Access Points

CISCO CONFIDENTIAL_Draft 1

When shipped from the factory, the 1240 series access points support the channels and maximum power
levels listed in Table 5-2 for their regulatory domain.

Note Table 5-2 lists the power levels shipped from the factory. In the –E and –I regulatory domains, you must

manually adjust power levels depending upon the antenna being used (see Tab l e 5-4).

.

Table 5-2 Channels and Maximum Conducted Power for IEEE 802.11a Radio with up to 9.5-dBI External Antennas

Maximum Conducted Power Levels (dBm) in the Regulatory Domains

Center

Channel

ID

(MHz)

34 5170 ––––11–––––

36 5180 11 – 17 17 – 15 11 11 14 –

38 5190 ––––11–––––

40 5200 11 – 17 17 – 15 11 11 14 –

42 5210 ––––11–––––

44 5220 11 – 17 17 – 15 11 11 14 –

46 5230 ––––11–––––

48 5240 11 – 17 17 – 15 11 11 14 –

52 5260 17 – 17

56 5280 17 – 17

60 5300 17 – 17

64 5320 11 – 17

100 5500 17

104 5520 17

108 5540 17

112 5560 17

116 5580 17

120 5600 – – 17

124 5620 – – 17

128 5640 – – 17

132 5660 17

136 5680 17

140 5700 17

149 5745 17 17 – – – 17 17 – 17 17

153 5765 17 17 – – – 17 17 – 17 17

157 5785 14 17 – – – 17 14 – 17 14

161 5805 11 17 – – – 17 11 – 17 11

165 5825 ––––––––––

1. Frequencies require DFS (Uniform spreading not required for the –P regulatory domain).

Freq

Americas

(–A)

1

1

1

1

1

1

1

1

China

(–C)

EMEA

(–E)

Israel

(–I)

Japan

(–J)

South
Korea

(–K)

North

America

(–N)

Japan

(–P)

Singapore

(–S)

Tiawa n

(–T)

5150 to 5250 MHz

5250 to 5350 MHz

1

1

1

1

17

17

17

17

1

1

1

1

–17117 8

–17117 8

–17117 8

–17111 8

1

1

1

1

11

11

11

11

1

1

1

1

–

11

11

11

5450 to 5725 MHz

–171––171––––

–171––171––––

–171––171––––

–171––171––––

–171––171––––

1

1

1

––171––––

––171––––

–––––––

–171–––––––

–171–––––––

–171–––––––

5725 to 5850 MHz

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5-3

Chapter 5 Cisco Aironet 1240AG Series Access Points

Channels and Power Settings for Autonomous Access Points

CISCO CONFIDENTIAL_Draft 1

Maximum Power Levels in Some Regulatory Domains with External Antennas

Caution To avoid exceeding maximum conducted power levels in the China (–C), EMEA (-E), South Korea (–K),

Israel

(–I), and Singapore (–S) regulatory domains when using an 802.11b/g radio with 2.2- to 10-dBi

external antennas, you must manually set the access point output power level as shown in Table 5-3.

Note Table 5-3 supports all 802.11g data rates (CCK and OFDM).

Table 5-3 Maximum Power Levels for the 802.11b/g Radio in the (–C), (–E), (–K), (–I), and (–S) Regulatory Domains

Maximum Power Levels (dBm)

6.0 dBi

Antenna

6.5dBi

Antenna

9.0 dBi

Antenna

10 dBi

Antenna

Channel

Identifier

Center

Frequency

(MHz)

2.2 dBi

Antenna

5.2 dBi

Antenna

124121714141111 8

224171714141111 8

324221714141111 8

424271714141111 8

524321714141111 8

624371714141111 8

724421714141111 8

824471714141111 8

924521714141111 8

10 2457 17 14 14 11 11 8

11 2462 17 14 14 11 11 8

12 2467 17 14 14 11 11 8

13 2472 17 14 14 11 11 8

142484––––––

5-4

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Chapter 5 Cisco Aironet 1240AG Series Access Points

Channels and Power Settings for Autonomous Access Points

CISCO CONFIDENTIAL_Draft 1

Caution To avoid exceeding maximum conducted power levels in the EMEA (-E) and Israel (–I) regulatory

domains when using a IEEE 802.11a radio with 6.0- to 9.5-dBi external 5-MHz antennas, you must
manually set the access point output power level as shown in Tabl e 5-4 .

Table 5-4 Maximum Power Levels for IEEE 802.11a Radio in the EMEA(–E) and Israel (–I) Regulatory Domains

Channel

Identifier

Center

Frequency

(MHz)

3.5 dBi Antenna 4.5 dBi Antenna 6.0 dBi Antenna 7.0 dBi Antenna 9.5 dBi Antenna

Maximum Power Levels (dBm)

UNII-1 (5150-5250 MHz)

345170 –––––

36 5180 17 17 15 15 11

385190 –––––

40 5200 17 17 15 15 11

425210 –––––

44 5220 17 17 15 15 11

465230 –––––

48 5240 17 17 15 15 11

5250 to 5350 MHz

52 5260 17 17 15 15 11

56 5280 17 17 15 15 11

60 5300 17 17 15 15 11

64 5320 17 17 15 15 11

5470 to 5725 MHz

100 5500 17 17 17 17 17

104 5520 17 17 17 17 17

108 5540 17 17 17 17 17

112 5560 17 17 17 17 17

116 5580 17 17 17 17 17

120 5600 17 17 17 17 17

124 5620 17 17 17 17 17

128 5640 17 17 17 17 17

132 5660 17 17 17 17 17

136 5680 17 17 17 17 17

140 5700 17 17 17 17 17

5725 to 5850 MHz

1495745–––––

1535765–––––

1575785–––––

1615805–––––

1655825–––––

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5-5

Channels and Power Settings for Autonomous Access Points

CISCO CONFIDENTIAL_Draft 1

Special Country Restrictions

Table 5-5 lists special restrictions for wireless operation in some countries.

Table 5-5 Special Country Restrictions for Wireless Operation

Chapter 5 Cisco Aironet 1240AG Series Access Points

Country

Frequency
Bands (GHz)

Regulatory
Domain Special Limitation and Restrictions

South Korea 2.4 and 5 –K Maximum antenna gain limited to 6 dBi.

Mexico 2.4 –N End user must limit 2.4 GHz operation to 2450 to 2483.5 MHz and

36 dBm EIRP.

Russian Federation 5 –E End user must limit 5 GHz operation to 5150 to 5350 and 5650 to 5725

MHz.

United States 5 –A Indoor use only from 5150-5250 MHz.

Changing Access Point Output Power

This section provides instructions for changing the 1100 series access point output power to comply with
the maximum power limits imposed by special regulatory and country restrictions (see the“Maximum

Power Levels in Some Regulatory Domains with External Antennas” section on page 5-4 and the
“Special Country Restrictions” section on page 5-6).

Note Administrator privileges may be required in order to change access point settings.

Caution To meet regulatory restrictions, the access point and the external antenna must be professionally

installed. The network administration or other IT professional responsible for installing and configuring the
unit is a suitable professional installer. Following configuration, access to the unit should be password
protected by the network administrator to maintain regulatory compliance.

5-6

To change the access point output power level, follow these instructions:

Step 1 Use your web-browser to access your access point.

Step 2 When the Summary Status page displays, click Radio0-802.11G or Radio0-802.11A.

Step 3 On the radio status page, click Settings. The radio settings page appears.

Step 4 For the 802.11G radio, follow these steps:

a. Under CCK Transmit Power (dBm), click the desired output power level.

b. Under OFDM Transmit Power (dBm), click the desired output power level.

Step 5 For the 802.11A radio, under Transmit Power (dBm), click the desired output power level.

Step 6 Scroll down to the bottom of the page and click Apply.

Step 7 Close your web-browser.

Channels and Maximum Power Settings for Cisco Aironet Access Points and Bridges

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