Cisco 1500 User Manual

Cisco Confidential - Draft 1

CHAP T E R

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, page 2-2

• Warnings, page 2-3

• Safety Information, page 2-3

• Installation Guidelines, page 2-6

• Mounting the Access Point, page 2-11

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Cisco Aironet 1500 Series Outdoor Mesh Access Point Hardware Installation Guide

2-1

Unpacking the Access Point

Cisco Confidential - Draft 1

Unpacking the Access Point

Note 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

Chapter 2 Mounting Instructions

Each access point package contains the following items:

• Access point with mounting plate attached

• Cisco product documentation, translated safety warnings, registration and feedback cards

• Grounding lug with screw and lock washer

Tools and Materials

To install the access point you will need the following:

• Open and box-end wrenches or socket set and ratchet

• Customer-supplied 10-AWG copper ground wire

• Ground lug (Panduit PN-10-6R-2K) and screw with lock washer (supplied)

• Customer supplied crimping tool for the ground lug (Panduit PN-10-6R-2K)

• Optional power injector (AIR-PWRINJ1500=)

• Optional Ethernet cable

–

150-ft (45.72-m) Ethernet cable (AIR-ETH1500-150=)

–

Other lengths (user supplied)

• Optional AC power cord

–

15-ft (4.6-m) power cord (AIR-CORD1500-15NA=) for use in the US and Canada.

–

40-ft (12.2-m) power cord (AIR-CORD1500-40NA=) for light pole installations in the US and Canada.

2-2

–

40-ft (12.2-m) power cord (AIR-CORD1500-40UE=) for use outside the US and Canada. One end of the power cord is terminated with an access point AC power connector and the other end is unterminated.

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Chapter 2 Mounting Instructions

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 1,

“Translated Safety Warnings” for instructions.

Cisco Confidential - Draft 1

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4-ft (1.2-m) streetlight power tap adapter (AIR-PWR-ST-LT-TAP=) for light pole installations in the US and Canada.

• Optional pole mount kit (AIR-ACCPMK1500=)

• External antennas, 2.4 and 5 GHz (refer to the “External Antennas” section on page 1-3)

• Optional primary protector (user supplied), as required by local regulations

• Optional ladder, power lift, rope, or other tools as required

Warnings

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

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.

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.

Read the installation instructions before connecting the system to the power source.

Ultimate disposal of this product should be handled according to all national laws and regulations.

Statement 1040

Statement 366

Statement 364

Statement 1004

Safety Information

Follow the guidelines in this section to ensure proper operation and safe use of the access point.

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Safety Information

Cisco Confidential - Draft 1

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.

Safety Precautions

Chapter 2 Mounting Instructions

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.

The AC power supply has double pole/neutral fusing.

Do not work on the system or connect or disconnect cables during periods of lightning activity.

Statement 1001

This equipment has been designed for connection to TN and IT power systems.

Only trained and qualified personnel should be allowed to install, replace, or service this equipment.

Statement 1030

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

Statement 188

Statement 339

Statement 1007

2-4

Caution No serviceable parts inside. Do not open.

Caution Double pole/neutral fusing. The power supply has two fuses and might have live circuits even when one fuse

has blown.

Note For additional important safety instructions for AC power cords, refer to the AC Power Cords for Cisco

Aironet 1500 Series Outdoor Mesh Access Points document that shipped with your AC power cords.

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Chapter 2 Mounting Instructions

Each year hundreds of people are killed or injured when attempting to install an antenna. In many of these cases, the victim was aware of the danger of electrocution, but did not take adequate steps to avoid the hazard.

For safety, and to help you achieve a good installation, please read and follow these safety precautions. They may save your installer’s life!

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. This is a small inconvenience considering your installer’s life is at stake.

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:

Avoiding Damage to Radios in a Testing Environment

Cisco Confidential - Draft 1

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, don’t 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.

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 normal the 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 will be less due to non line-of-sight propagation conditions.

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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.

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Installation Guidelines

Caution Under no circumstances should you connect the antenna port from one access point to the antenna port

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Cisco Confidential - Draft 1

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

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 PER performance is not degraded.

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.

Note Cisco 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

2-6

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.

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• 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.

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 G-1).

Installation Guidelines

• Become familiar with the access point installation components (see the “Becoming Familiar with

Access Point Installation Components” section on page 2-7).

• Add the MAC addresses of the access points to the controller’s filter list (see the “Adding the Access

Point MAC Addresses to the Controller Filter List” section on page 2-10).

• Enable automatic configuration of access points on the controller (see the “Enabling Zero Touch

Configuration on the Controller” section on page 2-10).

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.

Note When you mount access point in an indoor environment, you must also mount the attached antennas in

an indoor environment.

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 (Figure 2-1)

• Access point connectors (Figure 2-2)

• Streetlight power tap installation (Figure 2-3)

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Installation Guidelines

Chapter 2 Mounting Instructions

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Figure 2-1 Components in a Typical Access Point Installation

10 8

142678

1 Building roof-overhang 6 Ground

2 Outdoor rated shielded Ethernet cable

7 AC power cord

3 Water drip loop 8 Power injector

4 10-AWG copper grounding wire1 9 Ethernet (CAT 5) cable

5 Ground rod1 10 Controller (through a switch)

1. User supplied.

2. The safety ground wire in the AC power cord must have a ground path to a grounding rod.

3. The shielded Ethernet cable has a ground path through the power injector and the safety ground wire in the AC power cord.

Warning

Installation of the equipment must comply with local and national electrical codes.

Statement 1074

Note There is no requirement for external lightening arrestors on the 1510. The power supplies on the 1510

and the PoE in ports have transient voltage surge suppression. In addition, the PoE in port should be used with shielded cables that are grounded at the access point and power injector.

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