Cisco AIR-ANT2544V4M-R Instructions d'installation

Americas Headquarters:

Cisco Systems, Inc., 170 West Tasman Drive, San Jose, CA 95134-1706 USA

Cisco Aironet Dual-Band MIMO Wall-Mounted

Omnidirectional Antenna (AIR-ANT2544V4M-R)

This document outlines the specifications for the Cisco Aironet 2.4-GHz/5-GHz Dual-Band MIMO

Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R) and provides instructions for

mounting it. The antenna operates in the 2.4- and 5-GHz frequency ranges and is designed for indoor or

outdoor use.

The following information is provided in this document.

•Technical Specifications, page 2

•System Requirements, page 4

•Safety Precautions, page 5

•Installation Notes, page 6

•Installing the Antenna, page 7

•Suggested Cable, page 13

•Obtaining Documentation and Submitting a Service Request, page 13

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Technical Specifications

Table 1 AIR-ANT2544V4M-R Dual-Band MIMO Wall-Mounted Omnidirectional Antenna

Specifications

Antenna type 4-element MIMO

omnidirectional

Operating frequency

range

2400–2484 MHz

5150–5850 MHz

Nominal input

impedance

50Ω

VSWR 2:1 or less

Peak gain 2.4-GHz band: 4 dBi

5-GHz band: 4 dBi

Polarization Linear, vertical

Azimuth plane

(3 dB beamwidth)

Ominidirectional

Elevation plane

(3 dB beamwidth

2.4-GHz band: 60°

5-GHz band: 33°

Length 8.6 in (21.8 cm)

Diameter 6.3 in (16 cm)

Weight Antenna: 1.48 lb.

(671.5 g);

Cable 3-ft. (91.4 cm) plenum

Connector RP-TNC

Environment Indoor/outdoor

Temperature range -22° F to 158° F

(-30° C to 70° C)

332312

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Technical Specifications

The figures below show the azimuth plane patterns (indicated by red lines) and elevation plane patterns

(indicated by blue lines) for each element in the antenna.

2.4-GHz Antenna 1 Azimuth and Elevation Plane Patterns 5-GHz Antenna 1 Azimuth and Elevation Plane Patterns

2.4-GHz Antenna 2 Azimuth and Elevation Plane Patterns 5-GHz Antenna 2 Azimuth and Elevation Plane Patterns

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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System Requirements

This antenna is designed for indoor and outdoor use with any Cisco Aironet radio device with dual-band

(2.4- and 5-GHz) RP-TNC connectors.

2.4-GHz Antenna 3 Azimuth and Elevation Plane Patterns 5-GHz Antenna 3 Azimuth and Elevation Plane Patterns

2.4-GHz Antenna 4 Azimuth and Elevation Plane Patterns 5-GHz Antenna 4 Azimuth and Elevation Plane Patterns

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Safety Precautions

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, as they may cause serious injury or death. For proper

installation and grounding of the antenna, please refer to national and local codes (e.g. U.S.: NFPA 70,

National Electrical Code, Article 810, Canada: Canadian Electrical Code, Section 54).

Statement 280

For your safety, read and follow these safety precautions.

1. Before you install an antenna, contact your Cisco account representative to explain which mounting

method to use for the size and type of antenna that you are about to install.

2. Find someone to help you—installing an antenna is often a two-person job.

3. Select your installation site with safety, as well as performance, in mind. Remember that electric

power lines and phone lines look alike. For your safety, assume that any overhead line can kill you.

4. Contact your electric power company. Tell them your plans and ask them to come look at your

proposed installation.

5. Plan your installation carefully and completely before you begin. Each person involved in an

installation 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.

6. When installing your antenna, follow these guidelines:

a. Do not use a metal ladder.

b. Do not work on a wet or windy day.

c. Do dress properly—wear shoes with rubber soles and heels, rubber gloves, and a long-sleeved

shirt or jacket.

7. If the assembly starts to drop, move away from it and let it fall. Because the antenna, mast, cable,

and metal guy wires are all excellent conductors of electrical current, even the slightest touch of any

of these parts to a power line completes an electrical path through the antenna and the installer.

8. 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 to have it removed safely.

9. If an accident should occur with the power lines, call for qualified emergency help immediately.

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Installation Notes

Antennas transmit and receive radio signals which are susceptible to RF obstructions and common

sources of interference that can reduce throughput and range of the device to which they are connected.

Follow these guidelines to ensure the best possible performance:

•Install the antenna vertically and mount it with the cables pointing towards the ground.

•Keep the antenna away from metal obstructions such as heating and air-conditioning ducts, large

ceiling trusses, building superstructures, and major power cabling runs. If necessary, use a rigid

conduit to lower the antenna away from these obstructions.

•The density of the materials used in a building’s construction determines the number of walls the

signal can pass through and still maintain adequate signal strength. Consider the following before

choosing the location for your antenna:

–

Signals penetrate paper and vinyl walls with little change to signal strength.

–

Signals penetrate only one or two solid and pre-cast concrete walls without degrading signal

strength.

–

Signals penetrate three or four concrete and wood block walls without degrading signal

strength.

–

Signals penetrate five or six walls constructed of drywall or wood without degrading signal

strength.

–

Signals will likely reflect off a thick metal wall and may not penetrate it at all.

–

Signals will likely reflect off a chain link fence or wire mesh spaced between 1 and 1 1/2 in.

(2.5 and 3.8 cm). The fence acts as a harmonic reflector that blocks the signal.

•Install the antenna away from microwave ovens and 2-GHz cordless phones. These products can

cause signal interference because they operate in the same frequency range as the device to which

your antenna is connected.

Choosing a Mounting Location

The antenna should be mounted clear of any obstructions to the sides of the radiating elements.

Generally, the higher an antenna is above the floor, the better it performs. If possible, find a mounting

place directly above your wireless device to ensure the lead-in cable can be as short as possible.

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Installing the Antenna

You can install the antenna on any flat vertical surface, on a pole, or on a ceiling. All hardware for

mounting the antenna on a wall or ceiling is provided. If you intend to install your antenna on another

surface, you must provide the appropriate hardware.

Tools and Equipment Required

A mounting installation kit is included with the antenna and consists of the following hardware:

•Mount interface bracket

•Mount base

•Wall bracket

•One 1/4–20 x ½-in. cap screw

•One 1/4–20 wing screw

•Two #10 x ¾-in. screws

•Two #10 x ½-in. screws

•One screen mesh washer

•One spherical washer

•3/16 allen wrench

•Rubber gasket

•Jam nut

You may need the following tools and equipment, which are not provided.

•A #2 Phillips screwdriver

•A drill and drill bit

•A pencil

•Two hose clamps

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Installing the Antenna

Mounting on a Vertical Surface

Follow these steps to mount your antenna on a vertical surface.

Step 1 Attach the antenna bracket to the antenna using the jam nut provided (Figure 1).

Figure 1 Antenna Bracket

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Installing the Antenna

Step 2 With the screen mesh washer between the two brackets, attach the antenna bracket to the mounting

bracket using the spherical washer and wing bolt provided (Figure 2).

Figure 2 Antenna Bracket Attached to Mounting Bracket

Step 3 Determine the mounting location for the antenna.

Step 4 Attach the wall bracket to the wall using the two screws provided (Figure 3).

Cisco Aironet Dual-Band MIMO Wall-Mounted Omnidirectional Antenna (AIR-ANT2544V4M-R)

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Installing the Antenna

Figure 3 Wall Mounting

Step 5 Slide the mounting bracket onto the wall bracket and secure it in place (optional) with the two screws

provided (Figure 4).

Figure 4 Attaching Mounting Bracket to Wall Bracket

Once the antenna is secured on the wall, you can adjust the azimuth and elevation.

Step 6 To adjust the azimuth and elevation, loosen the bolt that attaches the antenna bracket to the mounting

bracket (Figure 5). Azimuth can be adjusted ±90 degrees. Elevation can be adjusted +15 degrees and -35

degrees.

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