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Overview, Product Terminology, Autonomous Access Points - 1242ag

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Overview 1 C H A P T E R The Cisco Aironet 1240AG Series Access Point is available in autonomous and lightweight configurations. The autonomous access points can support standalone network configurations with all configuration settings maintained within the access points. The lightweight access points operate in conjunction with a Cisco wireless LAN controller with all configuration information maintained within the controller. Product Terminology The following terms refer to the autonomous and lightweight products: • The term access point describes both autonomous and lightweight products. • The term autonomous access point describes only the autonomous product. • The term lightweight access point describs only the lightweight product. • The term access point describes a product operating as an access point. • The term bridge describes a product operating as a bridge. Autonomous Access Points Cisco Aironet 1240AG Series Access Point (AIR-AP1242AG or AIR-AP1242G) provides a secure, affordable, and easy-to-use wireless LAN solution that combines mobility and flexibility with the enterprise-class features required by networking professionals. With a management system based on Cisco IOS software, the 1240AG series is a Wi-Fi certified, wireless LAN transceiver. The autonomous 1242AG access point contains two integrated radios: a 2.4-GHz radio (IEEE 802.11g) and a 5-GHz radio (IEEE 801.11a). The autonomous 1242G access point contains a single integrated radio: a 2.4-GHz radio (IEEE 802.11g). The access point serves as the connection point between wireless and wired networks or as the center point of a stand-alone wireless network. In large installations, wireless users within radio range of an access point can roam throughout a facility while maintaining seamless, uninterrupted access to the network. You can configure and monitor the access point using the command-line interface (CLI), the browser-based management system, or Simple Network Management Protocol (SNMP). OL-8371-05 Cisco Aironet 1240AG Series Access Point Hardware Installation Guide 1-1

Section	Page
Cisco Aironet 1240AG Series Access Point Hardware Installation Guide	1
Contents	3
Preface	9
Audience	9
Purpose	9
Organization	9
Conventions	10
Related Publications	12
Locating the Product Serial Number	13
Obtaining Documentation, Obtaining Support, and Security Guidelines	14
Overview	15
Product Terminology	15
Autonomous Access Points	15
Lightweight Access Points	16
Guidelines for Using Cisco Aironet Lightweight Access Points	16
Hardware Features	17
Single or Dual-Radio Operation	19
Antennas Supported	19
Ethernet Port	19
Console Port	19
LEDs	19
Power Sources	20
UL 2043 Certification	20
Anti-Theft Features	20
Network Examples with Autonomous Access Points	22
Root Access Point on a Wired LAN	23
Repeater Unit that Extends Wireless Range	24
Central Unit in an All-Wireless Network	25
Bridge Network with Wireless Clients	25
Point-to-Point Bridge Configuration	26
Workgroup Bridge Network	26
Network Example with Lightweight Access Points	27
Installing the Access Point	29
Safety Information	30
FCC Safety Compliance Statement	30
General Safety Guidelines	30
Warnings	30
Unpacking the Access Point	31
Package Contents	31
Basic Installation Guidelines	32
Controller Discovery Process for Lightweight Access Points	32
Deploying the Access Points on the Wireless Network	33
Access Point Layout and Connectors	34
Mounting Overview	35
Mounting on a Horizontal or Vertical Surface	37
Mounting Below a Suspended Ceiling	38
Mounting Above a Suspended Ceiling	39
Mounting Access Point on a Desktop or Shelf	42
Cable Security Bracket	42
Removing the Cable Security Bracket	43
Attaching the Access Point to the Mounting Plate	44
Securing the Access Point	45
Using a Security Cable	45
Securing the Access Point to the Mounting Plate	46
Connecting the Ethernet and Power Cables	48
Connecting to an Ethernet Network with an Inline Power Source	49
Connecting to an Ethernet Network with Local Power	50
Powering Up the Access Point	50
Troubleshooting 1240AG Series Autonomous Access Points	51
Checking the Autonomous Access Point LEDs	52
Checking Basic Settings	53
Default IP Address Behavior	54
Enabling the Radio Interfaces	54
SSID	54
WEP Keys	55
Security Settings	55
Low Power Condition	55
Intelligent Power Management	56
Inline Power Status Messages	57
Configuring Power Using the CLI	59
Issuing the Cisco IOS Command Using the CLI	60
Configuring the Access Point System Power Settings Using a Browser	61
Running the Carrier Busy Test	63
Running the Ping Test	64
Resetting to the Default Configuration	64
Using the MODE Button	65
Using the Web Browser Interface	65
Reloading the Access Point Image	66
Using the MODE Button	66
Web Browser Interface	67
Browser HTTP Interface	67
Browser TFTP Interface	68
Obtaining the Access Point Image File	69
Connecting to the Access Point Locally	70
Obtaining the TFTP Server Software	70
Troubleshooting 1240AG Series Lightweight Access Points	71
Guidelines for Using Cisco Aironet Lightweight Access Points	72
Using DHCP Option 43	72
Checking the Lightweight Access Point LEDs	73
Low Power Condition for Lightweight Access Points	75
Intelligent Power Management	75
Configuring Power Using Controller CLI Commands	76
Manually Configuring Controller Information Using the Access Point CLI	77
Configuring Controller Information	78
Clearing Manually Entered Controller Information	78
Manually Resetting the Access Point to Defaults	78
Returning the Lightweight Access Point to Autonomous Mode	79
Using a Controller to Return the Access Point to Autonomous Mode	79
Using the MODE Button to Return the Access Point to Autonomous Mode	79
MODE Button Setting	80
Obtaining the Autonomous Access Point Image File	80
Connecting to the Access Point Locally	81
Obtaining the TFTP Server Software	82
Translated Safety Warnings	83
Declarations of Conformity and Regulatory Information	85
Manufacturers Federal Communication Commission Declaration of Conformity Statement	86
VCCI Statement for Japan	87
Industry Canada	87
Canadian Compliance Statement	87
European Community, Switzerland, Norway, Iceland, and Liechtenstein	88
Declaration of Conformity with Regard to the 1999/5/EC (R&TTE Directive)	88
Declaration of Conformity for RF Exposure	91
Guidelines for Operating Cisco Aironet Access Points in Japan	92
Japanese Translation	92
English Translation	92
Administrative Rules for Cisco Aironet Access Points in Taiwan	93
Access Points with IEEE 802.11a Radios	93
Chinese Translation	93
English Translation	93
All Access Points	94
Chinese Translation	94
English Translation	94
Operation of Cisco Aironet Access Points in Brazil	95
Access Point Models	95
Regulatory Information	95
Portuguese Translation	95
English Translation	95
Declaration of Conformity Statements	96
Declaration of Conformity Statements for European Union Countries	96
Access Point Specifications	99
Channels and Maximum Power Levels	103
Console Cable Pinouts	105
Overview	106
Console Port Signals and Pinouts	106
Priming Lightweight Access Points Prior to Deployment	107
Configuring DHCP Option 43 for Lightweight Access Points	111
Overview	112
Configuring Option 43 for 1000 Series Access Points	113
Configuring Option 43 for 1100, 1130, 1200, 1240, and 1300 Series Lightweight Access Points	114
Glossary	115

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CHAPTER

1-1

Cisco Aironet 1240AG Series Access Point Hardware Installation Guide

OL-8371-05

Overview

The Cisco Aironet 1240AG Series Access Point is available in autonomous and lightweight

configurations. The autonomous access points can support standalone network configurations with all

configuration settings maintained within the access points. The lightweight access points operate in

conjunction with a Cisco wireless LAN controller with all configuration information maintained within

the controller.

Product Terminology

The following terms refer to the autonomous and lightweight products:

•

The term

access point

describes both autonomous and lightweight products.

•

The term

autonomous access point

describes only the autonomous product.

•

The term

lightweight access point

describs only the lightweight product.

•

The term

access point

describes a product operating as an access point.

•

The term

bridge

describes a product operating as a bridge.

Autonomous Access Points

Cisco Aironet 1240AG Series Access Point (AIR-AP1242AG or AIR-AP1242G) provides a secure,

affordable, and easy-to-use wireless LAN solution that combines mobility and flexibility with the

enterprise-class features required by networking professionals. With a management system based on

Cisco IOS software, the 1240AG series is a Wi-Fi certified, wireless LAN transceiver.

The autonomous 1242AG access point contains two integrated radios: a 2.4-GHz radio (IEEE 802.11g)

and a 5-GHz radio (IEEE 801.11a). The autonomous 1242G access point contains a single integrated

radio: a 2.4-GHz radio (IEEE 802.11g).

The access point serves as the connection point between wireless and wired networks or as the center

point of a stand-alone wireless network. In large installations, wireless users within radio range of an

access point can roam throughout a facility while maintaining seamless, uninterrupted access to the

network.

You can configure and monitor the access point using the command-line interface (CLI), the

browser-based management system, or Simple Network Management Protocol (SNMP).