Cisco Systems 102067 4.9GHz Radio Module User Manual 1520higb

Cisco Systems Inc 4.9GHz Radio Module 1520higb

Contents

Manual 1

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Cisco Aironet 1520 Series Outdoor Mesh
Access Point Hardware Installation Guide
March, 2008
Text Part Number: OL-12632-03
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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
WARRANTY OF ANY KIND, EXPRESS OR IMPLIED. USERS MUST TAKE FULL RESPONSIBILITY FOR THEIR APPLICATION OF ANY PRODUCTS.
THE SOFTWARE LICENSE AND LIMITED WARRANTY FOR THE ACCOMPANYING PRODUCT ARE SET FORTH IN THE INFORMATION PACKET THAT
SHIPPED WITH THE PRODUCT AND ARE INCORPORATED HEREIN BY THIS REFERENCE. IF YOU ARE UNABLE TO LOCATE THE SOFTWARE LICENSE
OR LIMITED WARRANTY, CONTACT YOUR CISCO REPRESENTATIVE FOR A COPY.
The following information is for FCC compliance of Class A devices: This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant
to part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial
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.
The Cisco implementation of TCP header compression is an adaptation of a program developed by the University of California, Berkeley (UCB) as part of UCB’s public
domain version of the UNIX operating system. All rights reserved. Copyright © 1981, Regents of the University of California.
NOTWITHSTANDING ANY OTHER WARRANTY HEREIN, ALL DOCUMENT FILES AND SOFTWARE OF THESE SUPPLIERS ARE PROVIDED “AS IS” WITH
ALL FAULTS. CISCO AND THE ABOVE-NAMED SUPPLIERS DISCLAIM ALL WARRANTIES, EXPRESSED OR IMPLIED, INCLUDING, WITHOUT
LIMITATION, THOSE OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OR ARISING FROM A COURSE OF
DEALING, USAGE, OR TRADE PRACTICE.
IN NO EVENT SHALL CISCO OR ITS SUPPLIERS BE LIABLE FOR ANY INDIRECT, SPECIAL, CONSEQUENTIAL, OR INCIDENTAL DAMAGES, INCLUDING,
WITHOUT LIMITATION, LOST PROFITS OR LOSS OR DAMAGE TO DATA ARISING OUT OF THE USE OR INABILITY TO USE THIS MANUAL, EVEN IF CISCO
OR ITS SUPPLIERS HAVE BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the
document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
Book Title
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are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.
All other trademarks mentioned in this document or Website are the property of their respective owners. The use of the word partner does not imply a partnership relationsh
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between Cisco and any other company. (0501R)
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CONTENTS
Preface VII
Objectives I-VII
Audience I-VII
Organization I-VII
Conventions I-VIII
Related Publications I-XIII
Finding the Product Serial Number I-XIV
Obtaining Documentation, Obtaining Support, and Security Guidelines I-XIV
CHAPTER
1Overview 1-1
Hardware Features 1-2
Connectors 1-5
Antenna Connector Locations 1-5
Dual Radio Operation 1-7
External Antennas 1-7
Multiple Power Sources 1-8
Ethernet Ports 1-9
Cable Modem 1-10
Metal Enclosure 1-10
Optional Hardware 1-10
Network Deployment Examples 1-11
Wireless Backhaul 1-12
Point-to-Point Bridging 1-12
Point-to-Multipoint Bridging 1-13
Mesh Network 1-14
Layer 3 Network Operation 1-15
CHAPTER
2Mounting Instructions 2-1
Unpacking the Access Point 2-2
Package Contents 2-2
Tools and Materials that You Supply 2-2
Pole Installation 2-3
Cable Strand Installation 2-3
Warnings 2-4
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Safety Information 2-4
FCC Safety Compliance Statement 2-4
Safety Precautions 2-5
Avoiding Damage to Radios in a Testing Environment 2-7
Installation Guidelines 2-8
Site Surveys 2-8
Before Beginning the Installation 2-9
Becoming Familiar with Access Point Installation Components 2-9
Antenna Connector Locations 2-13
Adding the Access Point MAC Addresses to the Controller Filter List 2-14
Configuring a RAP 2-15
Configuring a Bridge Group Name 2-15
Mounting the Access Point 2-16
Installation Options 2-16
Access Point Mounting Orientation 2-17
Mounting the Access Point on a Wall 2-17
Mounting the Access Point on a Pole 2-21
Assembling the Pole Clamp Bracket and the Mounting Bracket 2-21
Pole Mounting 2-24
Cable Strand Mounting 2-30
Opening the Access Point Hinged Cover 2-38
Closing the Access Point Hinged Cover 2-39
Using the Reset Button 2-41
Reboot the Access Point 2-41
Disabling Backup Battery Power 2-42
Grounding the Access Point 2-42
Connecting a Fiber-Optic Cable to the Access Point 2-43
Powering the Access Point 2-46
Connecting a 1520 Series Power Injector 2-46
Connecting an Ethernet Cable to the Access Point 2-47
Connecting Streetlight AC Power 2-51
Connecting an AC Power Cable to the Access Point 2-54
Connecting a DC Power Cable to the Access Point 2-55
Connecting a Cable POC Power to the Access Point 2-59
What to Do Next 2-61
CHAPTER
3Troubleshooting 3-1
Guidelines for Using the Access Points 3-2
Important Notes 3-2
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Convergence Delays 3-2
Bridge Loop 3-3
Controller DHCP Server 3-3
MAP Data Traffic 3-3
Controller MAC Filter List 3-3
Using DHCP Option 43 3-4
Monitoring the Access Point LEDs 3-4
Verifying Controller Association 3-5
Changing the Bridge Group Name 3-6
Cable Modem LEDs 3-7
Connecting to the Access Point Locally 3-8
Access Point Power Injector 3-9
Monitoring the Power Injector LEDs 3-10
CHAPTER
4Installing or Replacing the Backup Battery 4-1
Before Beginning the Installation or Replacement 4-2
Opening the Access Point Radio Cover 4-3
Removing a Backup Battery 4-4
Installing a New Backup Battery 4-5
Connecting the Backup Battery Cable and Closing the Radio Cover 4-6
What to do Next 4-6
APPENDIX
ATranslated Safety Warnings A-1
APPENDIX
BDeclarations of Conformity and Regulatory Information B-1
Manufacturers Federal Communication Commission Declaration of Conformity Statement for Model
LAP1522 B-2
VCCI Statement for Japan B-3
Department of Communications—Canada B-3
Canadian Compliance Statement B-3
Declaration of Conformity for RF Exposure B-4
European Community, Switzerland, Norway, Iceland, and Liechtenstein B-4
Declaration of Conformity with Regard to the 1999/5/EC (R&TTE Directive) B-5
Declaration of Conformity for RF Exposure B-7
Guidelines for Operating Cisco Aironet Access Points in Japan B-7
Japanese Translation B-8
English Translation B-8
Administrative Rules for Cisco Aironet Access Points in Taiwan B-8
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Chinese Translation B-9
English Translation B-9
Declaration of Conformity Statements for Model LAP1522 B-10
Declaration of Conformity Statements for European Union Countries B-10
Manufacturers Federal Communication Commission Declaration of Conformity Statement for Model
LAP1524 B-12
Overview B-12
Industry Canada B-14
Canadian Compliance Statement B-14
Declaration of Conformity for RF Exposure B-14
APPENDIX
CAccess Point Specifications C-1
APPENDIX
DChannels and Power Levels D-1
APPENDIX
EAccess Point Pinouts E-1
APPENDIX
FConfiguring DHCP Option 43 F-1
Overview F-2
Configuring Option 43 for 1000 and 1500 Series Access Points F-3
Configuring Option 43 for 1100, 1130, 1200, 1240, 1250, 1300, and 1520 Series Access Points F-4
I
NDEX
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Preface
This section describes the objectives, audience, organization, and conventions of the Cisco Aironet 1520
Series Outdoor Mesh Access Point Hardware Installation Guide.
Objectives
This publication explains the steps for installing the Cisco Aironet 1520 Series Outdoor Mesh Access
Point (hereafter called the access point). The access point is available in two models: The LAP1522 and
LAP1524. The LAP1522 model supports dual band (2.4- and 5-GHz) operation. The LAP1524 supports
dual band (2.4- and 5-GHz) operation and the 4.9-GHz public safety band.
Audience
This publication is for the person installing and configuring an access point for the first time. The
installer should be familiar with network structures, terms, and concepts.
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Organization
This guide contains the following sections:
Chapter 1, “Overview,” describes the major components and features of the access point.
Chapter 2, “Mounting Instructions,” provides warnings, safety information, and mounting information
needed during the installation of your access point.
Chapter 3, “Troubleshooting,” provides basic troubleshooting procedures for the access point.
Chapter 4, “Installing or Replacing the Backup Battery,” describes the precedures to install or replace
the backup battery in the access point.
Appendix A, “Translated Safety Warnings,” indicates how to access the document that provides
translations of the safety warnings that appear in this publication.
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Preface
Conventions
Appendix B, “Declarations of Conformity and Regulatory Information,” describes the regulatory
conventions to which the access point conforms and provides guidelines for operating access points in
Japan.
Appendix C, “Access Point Specifications,” lists technical specifications for the access point.
Appendix D, “Channels and Power Levels,” indicates how to access the document that lists the access
point radio channels and the maximum power levels supported by the world’s regulatory domains.
Appendix E, “Access Point Pinouts,” describes the connector pinouts for the access point.
Appendix F, “Configuring DHCP Option 43,” describes the procedure to configure DHCP Option 43.
Conventions
This publication uses the following conventions to convey instructions and information:
• Commands and keywords are in boldface type.
Note Means reader take note. Notes contain helpful suggestions or references to materials not contained in
this manual.
Caution Means reader be careful. In this situation, you might do something that could result in equipment
damage or loss of data.
Warning
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. Use the statement number provided at the end of
each warning to locate its translation in the translated safety warnings that accompanied this
device.
Statement 1071
SAVE THESE INSTRUCTIONS
Waarschuwing
BELANGRIJKE VEILIGHEIDSINSTRUCTIES
Dit waarschuwingssymbool betekent gevaar. U verkeert in een situatie die lichamelijk letsel kan
veroorzaken. Voordat u aan enige apparatuur gaat werken, dient u zich bewust te zijn van de bij
elektrische schakelingen betrokken risico's en dient u op de hoogte te zijn van de standaard
praktijken om ongelukken te voorkomen. Gebruik het nummer van de verklaring onderaan de
waarschuwing als u een vertaling van de waarschuwing die bij het apparaat wordt geleverd, wilt
raadplegen.
BEWAAR DEZE INSTRUCTIES
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Conventions
Varoitus
TÄRKEITÄ TURVALLISUUSOHJEITA
Tämä varoitusmerkki merkitsee vaaraa. Tilanne voi aiheuttaa ruumiillisia vammoja. Ennen kuin
käsittelet laitteistoa, huomioi sähköpiirien käsittelemiseen liittyvät riskit ja tutustu
onnettomuuksien yleisiin ehkäisytapoihin. Turvallisuusvaroitusten käännökset löytyvät laitteen
mukana toimitettujen käännettyjen turvallisuusvaroitusten joukosta varoitusten lopussa näkyvien
lausuntonumeroiden avulla.
SÄILYTÄ NÄMÄ OHJEET
Attention
IMPORTANTES INFORMATIONS DE SÉCURITÉ
Ce symbole d'avertissement indique un danger. Vous vous trouvez dans une situation pouvant
entraîner des blessures ou des dommages corporels. Avant de travailler sur un équipement, soyez
conscient des dangers liés aux circuits électriques et familiarisez-vous avec les procédures
couramment utilisées pour éviter les accidents. Pour prendre connaissance des traductions des
avertissements figurant dans les consignes de sécurité traduites qui accompagnent cet appareil,
référez-vous au numéro de l'instruction situé à la fin de chaque avertissement.
CONSERVEZ CES INFORMATIONS
Warnung
WICHTIGE SICHERHEITSHINWEISE
Dieses Warnsymbol bedeutet Gefahr. Sie befinden sich in einer Situation, die zu Verletzungen führen
kann. Machen Sie sich vor der Arbeit mit Geräten mit den Gefahren elektrischer Schaltungen und
den üblichen Verfahren zur Vorbeugung vor Unfällen vertraut. Suchen Sie mit der am Ende jeder
Warnung angegebenen Anweisungsnummer nach der jeweiligen Übersetzung in den übersetzten
Sicherheitshinweisen, die zusammen mit diesem Gerät ausgeliefert wurden.
BEWAHREN SIE DIESE HINWEISE GUT AUF.
Avvertenza
IMPORTANTI ISTRUZIONI SULLA SICUREZZA
Questo simbolo di avvertenza indica un pericolo. La situazione potrebbe causare infortuni alle
persone. Prima di intervenire su qualsiasi apparecchiatura, occorre essere al corrente dei pericoli
relativi ai circuiti elettrici e conoscere le procedure standard per la prevenzione di incidenti.
Utilizzare il numero di istruzione presente alla fine di ciascuna avvertenza per individuare le
traduzioni delle avvertenze riportate in questo documento.
CONSERVARE QUESTE ISTRUZIONI
Advarsel
VIKTIGE SIKKERHETSINSTRUKSJONER
Dette advarselssymbolet betyr fare. Du er i en situasjon som kan føre til skade på person. Før du
begynner å arbeide med noe av utstyret, må du være oppmerksom på farene forbundet med
elektriske kretser, og kjenne til standardprosedyrer for å forhindre ulykker. Bruk nummeret i slutten
av hver advarsel for å finne oversettelsen i de oversatte sikkerhetsadvarslene som fulgte med denne
enheten.
TA VARE PÅ DISSE INSTRUKSJONENE
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Conventions
Aviso
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. Você está em uma situação que poderá ser causadora de
lesões corporais. Antes de iniciar a utilização de qualquer equipamento, tenha conhecimento dos
perigos envolvidos no manuseio de circuitos elétricos e familiarize-se com as práticas habituais de
prevenção de acidentes. Utilize o número da instrução fornecido ao final de cada aviso para
localizar sua tradução nos avisos de segurança traduzidos que acompanham este dispositivo.
GUARDE ESTAS INSTRUÇÕES
¡Advertencia!
INSTRUCCIONES IMPORTANTES DE SEGURIDAD
Este símbolo de aviso indica peligro. Existe riesgo para su integridad física. Antes de manipular
cualquier equipo, considere los riesgos de la corriente eléctrica y familiarícese con los
procedimientos estándar de prevención de accidentes. Al final de cada advertencia encontrará el
número que le ayudará a encontrar el texto traducido en el apartado de traducciones que acompaña
a este dispositivo.
GUARDE ESTAS INSTRUCCIONES
Varning!
VIKTIGA SÄKERHETSANVISNINGAR
Denna varningssignal signalerar fara. Du befinner dig i en situation som kan leda till personskada.
Innan du utför arbete på någon utrustning måste du vara medveten om farorna med elkretsar och
känna till vanliga förfaranden för att förebygga olyckor. Använd det nummer som finns i slutet av
varje varning för att hitta dess översättning i de översatta säkerhetsvarningar som medföljer denna
anordning.
SPARA DESSA ANVISNINGAR
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Preface
Conventions
Aviso
INSTRUÇÕES IMPORTANTES DE SEGURANÇA
Este símbolo de aviso significa perigo. Você se encontra em uma situação em que há risco de lesões
corporais. Antes de trabalhar com qualquer equipamento, esteja ciente dos riscos que envolvem os
circuitos elétricos e familiarize-se com as práticas padrão de prevenção de acidentes. Use o
número da declaração fornecido ao final de cada aviso para localizar sua tradução nos avisos de
segurança traduzidos que acompanham o dispositivo.
GUARDE ESTAS INSTRUÇÕES
Advarsel
VIGTIGE SIKKERHEDSANVISNINGER
Dette advarselssymbol betyder fare. Du befinder dig i en situation med risiko for
legemesbeskadigelse. Før du begynder arbejde på udstyr, skal du være opmærksom på de
involverede risici, der er ved elektriske kredsløb, og du skal sætte dig ind i standardprocedurer til
undgåelse af ulykker. Brug erklæringsnummeret efter hver advarsel for at finde oversættelsen i de
oversatte advarsler, der fulgte med denne enhed.
GEM DISSE ANVISNINGER
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Conventions
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Preface
Related Publications
Related Publications
These documents provide complete information about the access point:
• Release Notes for Cisco Wireless LAN Controllers and Lightweight Access Points
• Quick Start Guide: Cisco Aironet 1520 Series Lightweight Outdoor Mesh 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/index.html
To browse to the access point documentation, click Cisco Aironet 1520 Series listed under “Outdoor
Wireless.” The documentation can be accessed from the Support box.
To browse to the Cisco Wireless LAN Controller documentation, click Cisco 4400 Series Wireless
LAN Controllers or Cisco 2100 Series Wireless LAN Controllers listed under “Wireless LAN
Controllers.” The documentation can be accessed from the Support box.
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Obtaining Documentation, Obtaining Support, and Security Guidelines
Finding the Product Serial Number
The access point serial number is on the bottom of the access point (refer to Figure 1).
Figure 1 Location of Serial Number Label - Need New picture
The access point serial number label contains the following information:
• Model number, such as AIR-LAP1521G-A-k9 or AIR-LAP1522AG-A-k9.
• Serial number, such as WCN0636279B (11 alphanumeric digits).
• Access point MAC address, such as 00abc65094f3 (12 hexadecimal digits). It is located to the right
of the serial number.
• Cable modem MAC address for cable configuration, such as 00abc7d094f9 (12 hexadecimal digits).
The cable modem MAC address is only available on the access point cable configuration. It is
located below the serial number.
You need your product serial number when requesting support from the Cisco Technical Assistance
Center.
Obtaining Documentation, Obtaining Support, and Security
Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback,
security guidelines, and also recommended aliases and general Cisco documents, see the monthly
What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical
documentation, at:
http://www.cisco.com/en/US/docs/general/whatsnew/whatsnew.html
SN: NNNNNNNNN
SN: NNNNNNNNN
231547, 781-00536-01 A0
CHAPTER
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1
Overview
The Cisco Aironet 1520 Series Outdoor Wireless Mesh Access Point (hereafter called the access point)
is a wireless device designed for wireless client access, point-to-point bridging, point-to-multipoint
bridging, and point-to-multipoint mesh wireless connectivity. The access point is a standalone unit that
can be mounted on a streetlight pole, building wall, overhang, or a cable strand.access point
The access point model LAP1522 supports two radios (2.4-GHz and 5-GHz). The access point provides
client access and without the need for a license. The 5-GHz radio is dedicated to backhaul operations to
reach a wired network and the 2.4-GHz radio is used for wireless clients. The access point can support
6 to 54 Mbps data rates.
The access point model LAP1524 supports up to four radios operating in the 2.4-GHz, 4.9-GHz, and
5-GHz frequency bands. The access point provides client access and without the need for a license. The
5-GHz and 4.9-GHz radios are dedicated to backhaul operations to reach a wired network and the
2.4-GHz radio is used for wireless clients. The access point can support 6 to 54 Mbps data rates.
The access point is manufactured in three configurations: cable, pole mount, and mesh. The cable
configuration has three antenna connectors on the top of the unit, can be mounted to a cable strand, and
supports power-over-cable (POC). The pole mount configuration supports two antennas on the top and
bottom of the unit. It can be mounted to a pole or building wall and supports fiber-optic networks and
several power options. The Mesh configuration has two antennas on the top and bottom of the unit. It
can be powered by AC and only supports wireless backhaul communications to reach the wired network.
It does not support hard-wired communications (cable, fiber-optic, or Ethernet) to a wired network.
The access point can also operate as a relay node for other access points not directly connected to a wired
network. Intelligent wireless routing is provided by the patented Adaptive Wireless Path Protocol
(AWPP). This enables each access point to identify its neighbors and intelligently choose the optimal
path to the wired network by calculating the cost of each path in terms of signal strength and the number
of hops required to get to a controller.
The access point is configured, monitored, and operated through a Cisco wireless LAN controller
(hereafter called a controller) as described in the Cisco Wireless LAN Controller Configuration Guide.
The Deployment Guide: Cisco Mesh Networking Solution describes how to plan and initially configure
the Cisco mesh network, which supports wireless point-to-point, point-to-multipoint, and mesh
deployments. The controllers use a browser-based management system, a command-line interface (CLI),
or the Cisco Wireless Control System (WCS) network management system to manage the controller and
the associated access points. The access point supports hardware-based advanced encryption standard
(AES) encryption between wireless nodes to provide end-to-end security.
This chapter provides information on the following topics:
• Hardware Features, page 1-2
• Network Deployment Examples, page 1-11
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Chapter 1 Overview
Hardware Features
Hardware Features
This section describes the hardware features of the access point. Figure 1-1, Figure 1-2, and Figure 1-3
show the access point connectors.
Note The illustrations in this document show all available connections for the access point. Unused
connections are capped with a connector plug to ensure the access point’s watertight integrity. Liquid
tight adapters are provided for connector openings, which can be installed before or after deploying the
access point. The illustrations do not show antenna port 5, which is reserved for future use.
Figure 1-1 Access Point Bottom Connectors
1AC power connector1 (optional)
1. Only one power source is usually configured.
5 PoE-Out connector 2
2. PoE = Power over Ethernet
2Reserved for future use 6 LEDs
3Antenna connector3 (Type N)
3. Antenna locations depend upon access point configuration (see the “Antenna Connector Locations” section on page 1-5).
7Antenna connector3 (Type N)
4Alternate fiber-optic connector location
(optional)
8PoE-In connector1, 2
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Figure 1-2 Cable, Fiber-Optic, and Antenna Connector Locations
1Cable POC connector (optional)1
1. Stinger connector shown is user supplied.
4Antenna connector2 (Type N)
2. Antenna locations depend upon access point configuration (see the “Antenna Connector Locations” section on page 1-5).
2Fiber-optic connector3 (optional)
3. Liquid tight adapter not shown.
5Antenna connector2 (Type N)
3Antenna connector2 (Type N)
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Figure 1-3 DC Power Connector and Ground Screw Holes
Some of the access point’s hardware features are listed below:
• Two radios (2.4- and 5-GHz)—see the “Dual Radio Operation” section on page 1-7
• External radio antennas—see the “External Antennas” section on page 1-7
• Multiple power sources—see the “Multiple Power Sources” section on page 1-8
• Ethernet ports—see the “Ethernet Ports” section on page 1-9
• Rugged metal enclosure—see the “Metal Enclosure” section on page 1-10
• Optional cable modem—see the “Cable Modem” section on page 1-10
• Optional hardware—see the “Optional Hardware” section on page 1-10
1Ground screw holes 2DC power connector
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Connectors
The optional features of the access point support these connectors (see Figure 1-1):
• PoE-in connector—internal RJ-45 with liquid tight adapter for waterproofing
• PoE-out connector—internal RJ-45 with liquid tight adapter for waterproofing
• Three or four antenna connectors (Type N)—depends on access point configuration
• Fiber-optic connector—internal small form-factor pluggable (SFP) transceiver with LC connector
• Power-over-cable (POC) stinger connector—customer provided
• AC power connector (3-pin Remke Mini-Link 50908)
• DC power connector—internal 2-pin connector
Antenna Connector Locations
The access point is manufactured in three configurations, cable, mesh, and pole mount. These
configurations support specific locations for the access point antennas, as shown in Table 1-1.
Ta b l e 1-1 Antenna Locations per Access Point Configuration
Antenna
Port
Access Point Configurations
Cable Mesh and Pole Mount
12.4-GHz antenna connector (RX) 5-GHz antenna connector (TX/RX)
25-GHz antenna connector (TX/RX) –1
1. Reserved for future use. A plug is installed.
32.4-GHz antenna connector
(TX/RX)
2.4-GHz antenna connector (RX)
4 –12.4-GHz antenna connector (RX)
5 –1–1
6 –12.4-GHz antenna connector
(TX/RX)
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Figure 1-4 shows the antenna port locations viewed from the hinged cover side.
Figure 1-4 Antenna Port Locations
1Antenna port 1 4Antenna port 4
2Antenna port 2 5Antenna port 51
1. Reserved for future use. A plug is installed.
3Antenna port 3 6Antenna port 6
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Dual Radio Operation
The access point supports 2.4-GHz and 5-GHz radios using external antennas (see “External Antennas”).
The LAP1522 model supports simultaneous dual-radio operation using a 2.4-GHz 802.11b/g radio and
a 5-GHz 802.11a radio.The 5-GHz radio can operate in either the upper industrial, scientific and medical
(ISM) 5.8-GHz band or the public safety 4.9-GHz band. The 5-GHz radio supports one antenna and is
used for backhaul operations to the controller.
Note The 4.9-GHz band requires a license and can only be used by qualified public safety operators as defined
in section 90.20 of the FCC rules.
The 2.4-GHz radio supports two or three antennas for multi-input, single output (MISO) operation. The
access point uses two or three receivers to support maximum ratio combining (MRC) to enhance receiver
performance. MRC is a technique that combines the signals from multiple receivers in a manner to
optimize the signals. MRC can provide up to 3 dB of increased receive signal strength with two receive
antennas or up to 5 dB with three antennas.
External Antennas
The access point supports up to three N-type radio frequency (RF) antenna connectors on the top of the
unit and two on the bottom of the unit. The number of active antenna connectors depends upon the access
point configuration (see Antenna Connector Locations, page 1-5). All access point configurations
supports multiple 2.4-GHz antennas for MISO operation, but only one 5-GHz antenna.
When using the optional Cisco compact omnidirectional antennas, the 2.4- and 5-GHz antennas connect
directly to the access point. The Cisco omnidirectional antennas use vertical polarization.
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
The access point has been designed to operate with the antennas listed below and with a maximum gain
of 8 dBi for 2.4 GHz and 17 dBi for 5 GHz. Antennas not in this list or with a higher gain are strictly
prohibited for use with the access point. The required antenna impedance is 50 ohms.
To reduce potential radio interference to other users, the antenna type and its gain should be chosen so
that the equivalent isotropically radiated power (E.I.R.P.) is not more than required for successful
communication.
Caution For directly mounted antennas, you must not add weatherproofing around the antenna connectors
because the antenna drain holes might be blocked and damage the antenna.
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Table 1-2 and Table 1-3 list the supported external antennas for the access point.
Multiple Power Sources
The access point supports these power sources:
• PoE—power injector (AIR-PWRINJ1500-2=)
• AC power—100 to 480 VAC (standard power source for the pole mount configuration)
• POC—40 to 90 VAC (quasi-square wave AC), (standard power source for the cable configuration)
• External 12 VDC
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV)
requirements in IEC 60950 based safety standards.
Statement 1033
• Internal battery
The access point can be connected to more than one power source. The access point detects the available
power sources and switches to the preferred power source using the following default prioritization:
• AC power or POC power
• External 12-VDC power
• Power injector PoE power
• Internal battery power
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Ta b l e 1-2 External 5-GHz Antennas
Part Number Model1
1. Operation in the 4.9-GHz band requires a license and may be used only by qualified Public Safety operators as defined in
section 90.20 of the FCC rules.
Gain (dBi)
AIR-ANT5180V-N 5-GHz compact omnidirectional 8
AIR-ANT58G10SSA-N 5-GHz sector 9.5
AIR-ANT5114P-N 5-GHz patch 14
AIR-ANT5117S-N 5-GHz 90-degree sector 17
Ta b l e 1-3 External 2.4-GHz Antennas
Part Number Model Gain (dBi)
AIR-ANT2450V-N 2.4-GHz compact omnidirectiona 5.5
AIR-ANT2480V-N 2.4 GHz omnidirectional 8
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Caution To provide inline PoE, you must use the 1520 power injector (AIR-PWRINJ1500-2=). Other power
injectors, PoE switches, and 802.3af power sources cannot provide adequate power, which can cause the
access point to malfunction and cause over-current conditions at the power source.
Caution The 1520 power injector (AIR-PWRINJ1500-2=) must be used in an indoor environment only.
Note In the cable configuration, the cable modem is activated only when the access point is powered by POC
or external 12 VDC power. When using only PoE power, the cable modem is deactivated.
Caution When the access point is installed outdoors or in a wet or damp location, the AC branch circuit that is
powering the access point should be provided with ground fault protection (GFCI), as required by
Article 210 of the National Electrical Code (NEC).
The Ethernet cable from the power injector to the access point (PoE-in port) must be not less than 10 ft
(3.1 m).
The AC power cord options are listed below:
• 40-ft (15.2-m) power cord for light pole installations in the US and Canada. One end of the power
cord is terminated with an access point AC power connector, and the other end is terminated with
an AC plug (AIR-CORD-R3P-40NA=).
• 4-ft (1.2-m) streetlight power tap adapter for light pole installations in the US and Canada
(AIR-PWR-ST-LT-R3P=).
Ethernet Ports
The access point supports a PoE-in port and a PoE-out port. The access point’s PoE-in port uses an RJ-45
connector (with a liquid tight adapter) to link the access point to the 10/100/1000BASE-T network. The
Ethernet cable is used to send and receive Ethernet data and to optionally supply inline 56-VDC power
from the power injector.
The access point’s PoE-out (10/100/1000BASE-T) port uses an RJ-45 connector (with a liquid tight
adapter) to provide LAN connectivity and IEEE 802.3af power to a single peripheral customer device,
such as a camera or sensor gateway. The PoE-out port should not be connected to a switch or hub.
Note The PoE-out port is disabled when the access point is powered by the power injector.
The Ethernet MAC addresses is printed on the bottom of the access point under the LEDs (refer to the
“Finding the Product Serial Number” section on page XIV).
Warning
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
Statement 1023
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The Ethernet cable must be a shielded outdoor rated Category 5e (CAT5e) or better cable. The access
point senses the Ethernet and power signals and automatically switches internal circuitry to match the
cable connections.
Caution To provide inline PoE, you must use the 1520 power injector (AIR-PWRINJ1500-2=). Other power
injectors, PoE switches, and 802.3af power sources cannot provide adequate power, which may cause
the access point to malfunction and cause possible over-current conditions at the power source.
Cable Modem
The access point cable configuration contains an internal cable modem for connection to the cable
network from the pole-mounted cable lines. The access point can be powered using the 40-to 90-VAC
(quasi-square wave AC) power provided by the cable network.
Note The access point uses a Scientific Atlanta DPC2100 cable modem board and 4015821 RF splitter.
The cable modem supports these main features:
• Data Over Cable Service Interface Specifications (DOCSIS) 2.0
• Backward compatibility with existing DOCSIS 1.1 and 1.0 networks
Metal Enclosure
The access point uses a metal enclosure that can accommodate both indoor or outdoor operating
environments and an industrial temperature operating range of –40 to 131°F (–40 to 55°C). The access
point complies with NEMA 4 and IP67 requirements.
Optional Hardware
Some of the access point hardware options are listed below:
• Fiber-optic module and take-up reel kit (GLC-FE-100BX-URGD=)—Small form-factor pluggable
(SFP) module for connection to fiber-optic lines. The take-up reels are used to store excess
fiber-optic cable by wrapping the cable around the reels.
–
Single strand fiber bidirectional optical transceiver
–
1.3 (transmit) /1.5 (receive) micrometer wavelength division multiplexing (WDM) function
–
100 Mb/s data rates
–
LC receptacle
–
Supports up to 15.5 mi (25 km) of fiber-optic cable.
• Pole mount kit (AIR-ACCPMK1520=)—provides hardware for mounting the access point to a metal
or wood pole, such as a streetlight pole.
• Strand mount kit (AIR-ACCSMK1520=)—provides hardware for mounting the access point to a
cable strand.
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• Streetlight power tap adapter (AIR-PWR-ST-LT-R3P=)—connects to the light control connector on
a streetlight pole and provides AC power to the access point.
• 1520 power injector (AIR-PWRINJ1500-2=)—provides PoE to the access point.
• 40-ft (12.2-m) power cord for light pole installations in the US and Canada
(AIR-CORD-R3P-40NA=)—provides AC power to the access point. One end of the power cord is
terminated with an access point AC power connector, and the other end is terminated with an AC
plug.
• Battery backup module (AIR-1520-BATT-6AH). The integrated battery can be used for temporary
backup power during external power interruptions.
–
3- hour access point operation using two radios at 77oF (25oC)—with PoE output port off
–
2-hour access point operation using two radios at 77oF (25oC)— with PoE output port on
• Strap hand tool (AIR-BAND-INST-TL=)—used to install the metal straps used in pole mounting.
Network Deployment Examples
The access point is a wireless device designed for wireless client access and point-to-point bridging,
point-to-multipoint bridging, and point-to-multipoint mesh wireless connectivity. The access point
provides 5-GHz backhaul capability to link with another access point to reach a wired network
connection or to provide repeater operations for other access points.
The access point plays one of two primary radio roles: a root access point (hereafter called a RAP) or the
access points that relay their wireless connections to the controller are called mesh access points
(MAPs). When the access point has a wired Ethernet, fiber-optic, or cable connection to the controller
(through a switch), the radio role is called a RAP. A RAP is a parent node to any bridging or mesh
network. A controller can support one or more RAPs, each one parenting the same or different wireless
networks. There can be more than one RAP for the same mesh network for redundancy. Both RAP and
MAP access points can support wireless clients using the 2.4-GHz radio.
Note The access point must be configured as a RAP in the controller, whereas the MAP role is a default
setting.
When the access point does not have a wired Ethernet, fiber-optic, or cable connection to the controller,
the radio role is called a MAP. The MAPs have a wireless connection (through the backhaul interface)
to other MAPs and finally to a RAP with an Ethernet or cable connection through a switch to the
controller. MAPs can also have a wired Ethernet connection to a local LAN and serve as a bridge
endpoint for that LAN (using a point-to-point or point-to-multipoint bridge connection).
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Wireless Backhaul
The access point supports wireless backhaul capability using the 5-GHz radio to bridge to another access
point to reach a wired network connection to a controller (see Figure 1-5). The access point connected
to the wired network is considered a RAP in this configuration. The remote access point is considered a
MAP and transfers wireless client traffic to the RAP for transfer to the wired network. Lightweight
access point protocol (LWAPP) control traffic is also transferred over this bridged link.
Figure 1-5 Access Point Backhaul Example
Point-to-Point Bridging
The access points can be used to extend a remote network by using the 5-GHz backhaul radio to bridge
the two network segments as shown in Figure 1-6. To support Ethernet bridging, you must enable
bridging on the controller for each access point.
Figure 1-6 Access Point Point-to-Point Bridging Example
148438
(5.8 Ghz) (2.4 Ghz)
148440
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Point-to-Multipoint Bridging
The access points can be used as a RAP to connect multiple remote MAPs with their associated wired
networks (see Figure 1-7). By default, this capability is turned-off for all access points. To support
Ethernet bridging, you must enable bridging on the controller for each access point.
Wireless client access can be provided over the bridging link; however, if bridging between tall
buildings, the 2.4-GHz wireless coverage area might be limited and possibly not suitable for direct
wireless client access.
Figure 1-7 Access Point Point to Multipoint Bridging Example
148439
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Mesh Network
The access points are typically deployed in a mesh network configuration. In a typical mesh deployment,
one or more RAPs have a wired network connection through a switch to a controller. Other remote MAPs
without wired network connections use the backhaul feature to optimally link to a RAP that is connected
to the wired network. In the mesh network, the links between the access points are referred to as the
backhaul links.
Intelligent wireless routing is provided by the patented Adaptive Wireless Path Protocol (AWPP). This
enables each MAP to identify its neighbors and intelligently choose the optimal path to the RAP with
the wired network connection by calculating the cost of each path in terms of signal strength and the
number of hops required to get to a controller.
Figure 1-8 illustrates a typical mesh configuration using MAPs and RAPs.
Figure 1-8 Typical Mesh Configuration Using Access Points
155631
IP
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Layer 3 Network Operation
The access points support Layer 3 network operation. Access points and controllers in Layer 3
configurations use IP addresses and UDP packets, which can be routed through large networks. Layer 3
operation is scalable and recommended by Cisco.
Figure 1-9 illustrates a typical Layer-3 wireless network configuration containing access points and a
controller.
Figure 1-9 Typical Layer 3 Access Point Network Configuration Example
158085
LWAPP
LWAPP
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CHAPTER
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Mounting Instructions
This chapter describes warnings, safety information, and mounting information needed during the
installation of your access point. The chapter contains these sections:
• Unpacking the Access Point, page 2-2
• Tools and Materials that You Supply, page 2-2
• Warnings, page 2-4
• Safety Information, page 2-4
• Avoiding Damage to Radios in a Testing Environment, page 2-7
• Installation Guidelines, page 2-8
• Mounting the Access Point, page 2-16
• Installing the Access Point in Hazardous Locations, page 2-42
• Grounding the Access Point, page 2-46
• Connecting a Fiber-Optic Cable to the Access Point, page 2-46
• Powering the Access Point, page 2-50
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Unpacking the Access Point
Unpacking the Access Point
When you are unpacking the access point, do not remove the foam blocks attached to the antenna
connectors. The foam protects the antenna connectors during installation.
Follow these steps to unpack the access point:
Step 1 Open the shipping container and carefully remove the contents.
Step 2 Return all packing materials to the shipping container, and save it.
Step 3 Ensure that all items listed in Package Contents are included in the shipment. If any item is damaged or
missing, notify your authorized Cisco sales representative.
Package Contents
Each access point package contains the following items:
• Access point
• Cisco product documentation and translated safety warnings
• Grounding lug with two screws and lock washers
• Three liquid tight adapters
• Two-pin DC power connector
• Ground lug (Panduit PLCD6-10A-L) and screws with lock washers
Tools and Materials that You Supply
• Ground lug crimping tool (Panduit CT-720 with CD-720-1 die)
• 6-AWG copper ground wire
• 13 mm box-end wrench or socket set
• Adjustable wrench, 22 mm socket, or Sealcon S-2200-WR socket wrench
• Small flat screwdriver for DC power connector
• Optional power injector (AIR-PWRINJ1500-2=)
• Optional AC power cord
–
40-ft (12.2-m) power cord (AIR-CORD-R3P-40NA=) for light pole installations in the US and
Canada
–
4-ft (1.2-m) streetlight power tap adapter (AIR-PWR-ST-LT-R3P=) for light pole installations
in the US and Canada
• Antennas, 2.4 and 5 GHz (refer to the “External Antennas” section on page 1-7)
• Optional pole mount kit (AIR-ACCPMK1520=)
• Optional strand mount kit (AIR-ACCSMK1520=)
• Optional strap hand tool (AIR-BAND-INST-TL=)
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Tools and Materials that You Supply
• Optional fiber-optic 100BASE-BX10-U SFP, fiber-optic take-up reels, and liquid tight adapter
(GLC-FE-100BX-URGD=)
• Optional outdoor-rated fiber-optic cable with 0.20 to 0.35 in. (0.51 to 0.89 cm) diameter
• Optional shielded outdoor-rated Ethernet (CAT5e or better) cable with 0.20 to 0.35 in
(0.51 to 0.89 cm) diameter
• Optional Ethernet RJ-45 connector and installation tool
• Optional shielded outdoor-rated DC power cable with 0.20 to 0.35 in. (.0.51 to 0.89 cm) diameter
• Optional cable Stinger connector
• Optional ground rod, as required by local regulations
• Optional ladder, power lift, rope, or other tools as required
Pole Installation
To install the access point on a vertical or horizontal metal, wood, or fiberglass pole, you need the
following additional material and tools:
• Pole mount kit (AIR-ACCPMK1520=)
–
Pole clamp bracket
–
Two gusset strap brackets
–
One mounting bracket
–
Twelve hex bolts (M8 x16)
–
One M8 flange nut
–
Six M8 flat washers
–
Ten M8 split lock washers
–
Two stainless steel mounting straps
• Customer supplied metal strap tool—(AIR-BAND-IT-TOOL=)
• Customer supplied 13-mm and box-end wrench or socket set
• Customer supplied adjustable wrench, 22 mm socket, or Sealcon S-2200-WR socket wrench
Cable Strand Installation
To install the access point on a cable strand, you need the following additional parts:
• Cable strand mount kit (AIR-ACCSMK1520=)
–
Strand mounting bracket
–
Strand clamp bracket
–
Four cable clamps
–
Four M8 flange nuts
–
Four hex bolts (M8 x16)
–
Four M8 split lock washers and six M8 flat washers
• Customer supplied 13-mm box-end wrench or socket set
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Warnings
• Customer supplied adjustable wrench, 22 mm socket, or Sealcon S-2200-WR socket wrench
Warnings
Translated versions of all safety warnings are available in the safety warning document that shipped with
your access point or on Cisco.com. To browse to the document on Cisco.com, refer to Appendix A,
“Translated Safety Warnings” for instructions.
Warning
IMPORTANT SAFETY INSTRUCTIONS
This warning symbol means danger. You are in a situation that could cause bodily injury. Before you
work on any equipment, be aware of the hazards involved with electrical circuitry and be familiar
with standard practices for preventing accidents. Use the statement number provided at the end of
each warning to locate its translation in the translated safety warnings that accompanied this device.
Statement 1071
SAVE THESE INSTRUCTIONS
Warning
Do not operate the unit near unshielded blasting caps or in an explosive environment unless the
device has been modified to be especially qualified for such use.
Statement 364
Warning
This equipment must be externally grounded using a customer-supplied ground wire before power is
applied. Contact the appropriate electrical inspection authority or an electrician if you are uncertain
that suitable grounding is available.
Statement 366
Warning
Read the installation instructions before connecting the system to the power source.
Statement 1004
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
Safety Information
Follow the guidelines in this section to ensure proper operation and safe use of the access point.
FCC Safety Compliance Statement
The FCC, with its action in ET Docket 96-8, has adopted a safety standard for human exposure to RF
electromagnetic energy emitted by FCC-certified equipment. When used with approved Cisco Aironet
antennas, Cisco Aironet products meet the uncontrolled environmental limits found in OET-65 and
ANSI C95.1, 1991. Proper operation of this radio device according to the instructions in this publication
results in user exposure substantially below the FCC recommended limits.
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Safety Information
Safety Precautions
Warning
In order to comply with radio frequency (RF) exposure limits, the antennas for this product should be
positioned no less than 6.56 ft (2 m) from your body or nearby persons.
Statement 339
Warning
The AC power supply has double pole/neutral fusing.
Statement 188
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Class 1 laser product.
Statement 1008
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
A readily accessible two-poled disconnect device must be incorporated in the fixed wiring.
Statement 1022
Warning
To reduce the risk of fire, use only No. 26 AWG or larger telecommunication line cord.
Statement 1023
Warning
This unit might have more than one power supply connection. All connections must be removed to
de-energize the unit.
Statement 1028
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
Connect the unit only to DC power source that complies with the safety extra-low voltage (SELV)
requirements in IEC 60950 based safety standards.
Statement 1033
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last.
Statement 1046.
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Safety Information
Warning
Do not locate the antenna near overhead power lines or other electric light or power circuits, or
where it can come into contact with such circuits. When installing the antenna, take extreme care
not to come into contact with such circuits, because they may cause serious injury or death. For
proper installation and grounding of the antenna, please refer to national and local codes (for
example, U.S.:NFPA 70, National Electrical Code, Article 810, Canada: Canadian Electrical Code,
Section 54).
Statement 1052
Caution Before connecting or disconnecting a power cord, you must remove AC power from the power cord
using a suitable service disconnect.
For additional important safety instructions for AC power cords, refer to the AC Power Cords for Cisco
Aironet 1520 Series Outdoor Mesh Access Points document that shipped with your AC power cords.
For safety and to achieve a good installation, please read and follow these safety precautions:
1. Select your installation site with safety, as well as performance in mind. Remember: electric power
lines and phone lines look alike. For safety, assume that any overhead line can kill.
2. Call your electric power company. Tell them your plans, and ask them to come look at your
proposed installation.
3. Plan your installation carefully and completely before you begin. Successful raising of a mast or
tower is largely a matter of coordination. Each person should be assigned to a specific task and
should know what to do and when to do it. One person should be in charge of the operation to issue
instructions and watch for signs of trouble.
4. When installing the access point and antennas, remember:
a. Do not use a metal ladder.
b. Do not work on a wet or windy day.
c. Do dress properly—shoes with rubber soles and heels, rubber gloves, long sleeved shirt or
jacket.
5. Use a rope to lift the access point. If the assembly starts to drop, get away from it and let it fall.
6. If any part of the antenna system should come in contact with a power line,do not touch it or try to
remove it yourself. Call your local power company. They will remove it safely.
If an accident should occur, call for qualified emergency help immediately.
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Avoiding Damage to Radios in a Testing Environment
Avoiding Damage to Radios in a Testing Environment
The radios on outdoor units (bridges) have higher transmit power levels than radios on indoor units
(access points). When you test high power radios in a link, you must avoid exceeding the receiver’s
maximum receive input level. At levels above the normal operating range, packet error rate (PER)
performance is degraded. At even higher levels, the receiver can be permanently damaged. To avoid
receiver damage and PER degradation, you can use one of the following techniques:
• Separate the omnidirectional antennas by at least 2 ft (0.6 m) to avoid receiver damage or by at least
25 ft (7.6 m) to avoid PER degradation.
Note These distances assume free space path loss and are conservative estimates. Required
separation distances for damage and performance degradation levels in actual deployments are less if
conditions are not non line-of-sight.
• Reduce the configured transmit power to the minimum level.
• Use directional antennas, and keep them away from each other.
• Cable the radios together using a combination of attenuators, combiners, or splitters to achieve a
total attenuation of at least 60 dB.
For a radiated test bed, the following equation describes the relationships among transmit power,
antenna gain, attenuation, and receiver sensitivity:
txpwr + tx gain + rx gain - [attenuation due to antenna spacing] < max rx input level
Where:
txpwr = Radio transmit power level
tx gain = transmitter antenna gain
rx gain = receiver antenna gain
For a conducted test bed, the following equation describes the relationships among transmit power,
antenna gain, and receiver sensitivity:
txpwr - [attenuation due to coaxial components] < max rx input level
Caution Under no circumstances should you connect the antenna port from one access point to the antenna port
of another access point without using an RF attenuator. If you connect antenna ports, you must not
exceed the maximum survivable receive level of 0 dBm. Never exceed 0 dBm, or damage to the access
point can occur. Using attenuators, combiners, and splitters having a total of at least 60 dB of attenuation
ensures that the receiver is not damaged and that PER performance is not degraded.
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Installation Guidelines
Installation Guidelines
Because the access point is a radio device, it is susceptible to common causes of interference that can
reduce throughput and range. Follow these basic guidelines to ensure the best possible performance:
• For information on planning and initially configuring your Cisco Mesh network, refer to the
Deployment Guide: Cisco Mesh Networking Solution.
• Perform a site survey before beginning the installation.
• Install the access point in an area where structures, trees, or hills do not obstruct radio signals to and
from the access point.
• The access points can be installed at any height, but best throughput is achieved when all the access
points are mounted at the same height. We recommends installing the access points no higher than
40 feet to allow support for wireless clients on the ground.
Note To calculate path loss and to determine how far apart to install access points, consult an RF planning
expert.
Site Surveys
Every network application is a unique installation. Before installing multiple access points, you should
perform a site survey to determine the optimum use of networking components and to maximize range,
coverage, and network performance.
Consider the following operating and environmental conditions when performing a site survey:
• Data rates—Sensitivity and range are inversely proportional to data bit rates. The maximum radio
range is achieved at the lowest workable data rate. A decrease in receiver sensitivity occurs as the
radio data increases.
• Antenna type and placement—Proper antenna configuration is a critical factor in maximizing radio
range. As a general rule, range increases in proportion to antenna height. However, do not place the
antenna higher than necessary, because the extra height also increases potential interference from
other unlicensed radio systems and decreases the wireless coverage from the ground.
• Physical environment—Clear or open areas provide better radio range than closed or filled areas.
• Obstructions—Physical obstructions such as buildings, trees, or hills can hinder performance of
wireless devices. Avoid locating the devices in a location where there is an obstruction between the
sending and receiving antennas.
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Installation Guidelines
Before Beginning the Installation
Before you begin the installation process:
• Ensure that a site survey has been performed.
• Ensure that your network infrastructure devices are operational and properly configured.
• Ensure that your controllers are connected to switch trunk ports.
• Ensure that your switch is configured with untagged access ports for connecting your access points.
• Ensure that a DHCP server with Option 43 configured is reachable by your access points, or
manually configure the controller information in the access point (for additional information, refer
to the “Configuring DHCP Option 43” section on page F-1).
• Become familiar with the access point installation components (see the “Becoming Familiar with
Access Point Installation Components” section on page 2-9).
Becoming Familiar with Access Point Installation Components
The access point is designed to be installed in an indoor or outdoor environment, such as an interior wall
or ceiling or the exterior roof overhang of a tall building or a streetlight pole. Carefully review the
following figures to become familiar with the system components, connectors, indicators, cables, system
interconnection, and grounding:
• Components in a typical access point installation (see Figure 2-1)
• Pole mount installation (see Figure 2-2)
• Cable strand mount installation (see Figure 2-3)
• Streetlight power tap installation (see Figure 2-4)
Note The illustrations in this document show all available connections for the access point. Unused
connections are capped with a connector plug to ensure the access point’s watertight integrity. liquid
tight adapters are provided for connector openings, which can be installed before or after deploying the
access point. The illustrations do not show antenna port 5, which is reserved for future use.
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Figure 2-1 Components in a Typical Access Point Installation
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
1Building roof-overhang 6Ground
2Shielded outdoor-rated Ethernet
(CAT5e or better) cable1
1. User supplied.
7AC power cord2
2. The safety ground wire in the AC power cord must have a ground path to a grounding rod.
3Water drip loop 8Power injector3
3. The shielded Ethernet cable has a ground path through the power injector and the safety ground wire in the AC power cord.
6-AWG copper grounding wire1 9Shielded Ethernet (CAT5e or better) cable1
5Ground rod1 10 Controller (through a switch)
231523
1
10 8
9
7
6
5
4
3
2
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Figure 2-2 Pole Mount Installation
1Stainless steel mounting straps
(part of pole mount kit)
42.4-GHz antennas1
22.4-GHz antenna1
1. Illustration shows antennas for an access point with two radios.
5Pole (wood, metal, or fiberglass)
2 to 16 in. (5.1 to 40.6 cm) diameter
35-GHz antenna16Mounting bracket (part of pole mount kit)
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Figure 2-3 Cable Strand Mounting
1Clamp bracket with cable clamps
(part of strand mount kit)
5Cable bundle
25-GHz antenna1
1. Illustration shows antennas for an access point with two radios.
6Fiber-optic connection2
2. Liquid tight connector not shown.
32.4-GHz antennas17Cable POC power input3
3. Stinger connector shown is user supplied.
4Strand support cable 8Strand mount bracket
(part of strand mount kit)
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Figure 2-4 Streetlight Power Tap Adapter Installation
Antenna Connector Locations
The access point is manufactured in three configurations, cable, pole mount, and mesh. These
configurations support specific locations for the access point antennas as shown in Table 2-1.
1Outdoor light control 36-AWG copper grounding wire
2Streetlight power tap adapter
231524
12
3
Ta b l e 2-1 Antenna Locations for Each Access Point Configuration1
1. Antenna locations specified for a two radio access point.
Antenna
Port
Access Point Configurations
Cable Pole Mount and Mesh
12.4-GHz antenna connector (RX) 5-GHz antenna connector (TX/RX)
25-GHz antenna connector (TX/RX) –2
2. Reserved for future use. A plug is installed.
32.4-GHz antenna connector (TX/RX) 2.4-GHz antenna connector (RX)
4 –22.4-GHz antenna connector (RX)
5 –2–2
6 –12.4-GHz antenna connector (TX/RX)
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Figure 2-5 shows the antenna port locations viewed from the hinged cover side.
Figure 2-5 Antenna Port Locations
Adding the Access Point MAC Addresses to the Controller Filter List
Before installing your access points, configure your controller by adding the MAC addresses of the
access points to the filter list. MAC address filtering is enabled by default. This enables the controller
to respond to the listed access points. Follow these steps to add a MAC filter entry on the controller:
Step 1 Log into your controller using a web browser.
Step 2 Choose SECURITY > MAC Filtering > New.
Step 3 Enter the MAC address of the access point to the MAC Filter list; for example, 00:0B:91:21:3A:C7.
Note The access point MAC address is located on the bottom of the unit. When two MAC addresses
are shown, use the top MAC address.
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Step 4 Select a WLAN ID or Any WLAN from the WLAN ID pop-up menu.
Step 5 Enter a description (32 characters maximum) of the access point in the Description field; for example,
Fisher_Street_00.0B.91.21.3A.C7 shows the location and MAC address of the access point.
Step 6 Choose an interface from the Interface Name pop-up menu, and click Apply.
Step 7 Repeat Steps 2 to 6 to add other access points to the list.
Step 8 Log out of your controller, and close your web browser.
Configuring a RAP
The access point defaults to the MAP radio role. One or more of your access points must be reconfigured
as a RAP. The RAPs connect to a wired Ethernet link through a switch to the controller. The MAPs use
their wireless backhaul interface to connect to a RAP to reach the controller.
Follow these steps to configure a RAP on the controller GUI:
Step 1 Log into your controller using a web browser.
Step 2 Click Wireless. When your access point associates to the controller, your access point’s name appears
in the AP Name list.
Step 3 Double-click your access point’s name.
Step 4 Find Mesh Information, and choose Root AP by clicking the drop down arrow in the AP Role field.
Step 5 Click Apply.
Step 6 Repeat Steps 2 through 5 for each RAP.
Step 7 Log out from your controller, and close your web browser.
Configuring a Bridge Group Name
The bridge group name (BGN) controls the association of the access points to a RAP. BGNs can be used
to logically group the radios to avoid different networks on the same channel from communicating with
each other. This setting is also useful if you have more than one RAP in your network in the same area.
If you have two RAPs in your network in the same area (for more capacity), we recommend that you
configure the two RAPs with the same BGN, but on different channels.
The BGN is a string of ten characters maximum. A factory-set bridge group name (NULL VALUE) is
assigned during manufacturing. It is not visible to you, but allows new access point radios to join a
network of new access points. The BGN can be reconfigured from the Controller CLI and GUI. After
configuring the BGN, the access point reboots.
The BGN should be configured very carefully on a live network. You should always start from the
farthest node (last node) from the RAP and move towards the RAP. If you start configuring the BGN in
a different location, then the access points beyond this point (farther away) are dropped, as they have a
different BGN.
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Mounting the Access Point
To configure the BGN for the access points using the GUI, follow these steps:
Step 1 Log into your controller using a web browser.
Step 2 Click Wireless. When access points associates to the controller, the access point’s name appears in the
AP Name list.
Step 3 Double-click on an access point’s name.
Step 4 Find Mesh Information, and enter the new BGN in the Bridge Group Name field.
Step 5 Click Apply.
Step 6 Repeat Steps 2 through 5 for each access point.
Step 7 Log out from your controller, and close your web browser.
Mounting the Access Point
This section provides instructions for installing your access points. Personnel installing the access point
must understand wireless access points and bridging techniques and grounding methods.
Caution All mounting methods on any wall surface is subject to the acceptance of local jurisdiction.
Installation Options
There are two optional installation kits:
• Pole mount kit—used for pole, wall, or streetlight installations
• Strand mount kit—used for cable strand installations
Warning
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Statement 1030
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
Caution To provide inline PoE, you must use the power injector (AIR- PWRINJ1500-2=) specified for the access
point. Other power injectors, PoE switches, and 802.3af power sources do not provide adequate power,
which might cause the access point to malfunction and cause over-current conditions at the power
source. You must ensure that the switch port connected to the access point has PoE turned off.
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Mounting the Access Point
Refer to these sections for installation details.
• Access Point Mounting Orientation, page 2-17
• Mounting the Access Point on a Wall, page 2-17
• Mounting the Access Point on a Pole, page 2-21
• Cable Strand Mounting, page 2-30
Access Point Mounting Orientation
When installing an access point on a horizontal or vertical surface, you must ensure that the access point
is oriented with the LED indicators pointing down (see Figure 2-2, Figure 2-3, and Figure 2-4). This
positioning allows the LEDs to be visible to someone on the ground below the access point.
You must also ensure the access point is mounted with the hinged access cover facing out.
Note Omnidirectional antennas are vertically polarized and should be mounted vertically.
Mounting the Access Point on a Wall
The optional pole mount kit contain a mounting bracket for wall mounting. You can use the mounting
bracket as a template to mark the positions of the mounting holes for your installation. You then install
the mounting plate, and attach the access point when you are ready. Table 2-2 lists the material that you
will need to provide in addition to the pole mount kit.
Caution The mounting surface, attaching screws, and optional wall anchors must be able to support a 50 lb
(22.7 kg) static weight.
Ta b l e 2-2 Material Needed to Mount Access Point to a Vertical Wall
Materials Required In Kit
Ground lug and screws (provided with access point)
Crimping tool for ground lug, Panduit CT-720 with
CD-720-1 die (http://onlinecatalog.panduit.com)
Four M8 or 5/16 in. (31 mm) screws
Four wall anchors (specified for wall material)
Drill bit for wall anchors
Electric drill and standard screwdriver
#6-AWG ground wire
Shielded outdoor-rated Ethernet (CAT5e or better) cable
Grounding block
Grounding rod
13-mm box-end wrench or socket set
Yes
No
No
No
No
No
No
No
No
No
No
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Mounting the Access Point
To mount the access point on a vertical wall, follow these instructions:
Step 1 Use the mounting bracket as a template to mark four screw hole locations on your mounting surface. See
Figure 2-6 for the mounting bracket screw hole locations. You can optionally use the individual
mounting holes or the mounting slots.
Caution The mounting surface, attaching screws, and optional wall anchors must be able to support a 50 lbs (22.7
kg) static weight.
Figure 2-6 Mounting Bracket for Wall Mounting
Step 2 Use four customer-supplied screws and optional screw anchors to attach the mounting plate to the
mounting surface.
Note If necessary, use suitable screw anchors and an exterior-grade plywood backboard to mount the
access point to stucco, cement, or drywall.
1Access point quick mount notch 3Mounting slots (allows bracket rotation)
2Mounting holes
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Mounting the Access Point
Step 3 Screw a M8 x16 bolt in the top support bolt hole on each side the access point (see Figure 2-7). Do not
screw the bolt all the way in; leave approximately a 0.25 in. (0.635 cm) space.
Figure 2-7 Location of Access Point Top Support Bolt Hole
1Ground lug location 3Second bolt hole location
2M8 x16 bolt
(supplied with pole mount kit)
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Mounting the Access Point
Step 4 Position the two bolts on the access point into the quick mount notches on each side of the mounting
bracket (see Figure 2-8). Ensure that the hinged door is facing out.
Figure 2-8 Access Point Hanging in Mounting Bracket
Step 5 Screw a M8 x16 bolt (with flat and lock washers) into the second bolt hole on each side of the access
point.
Step 6 Ensure that the front of the access point is vertical, and tighten the four bolts to 13 to 15 ft lbs
(17.6 to 20.3 Nm).
Step 7 (Optional) When using the optional Cisco external omnidirectional antennas, connect them to the access
point as shown in Figure 2-2. Hand-tighten the antennas to the access point.
Note Some access point configurations might support two or three of the 2.4-GHz antennas.
Step 8 Continue with the “Grounding the Access Point” section on page 2-46 and the “Powering the Access
Point” section on page 2-50.

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