Cisco Multiband Diversity Omnidirectional Ceiling-Mount Antenna... User manual

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Cisco Multiband Diversity Omnidirectional
Ceiling-Mount Antenna (AIR-ANTM4050V-R)
This document outlines the specifications and describes the AIR-ANTM4050V-R multiband diversity
omnidirectional ceiling-mount antenna and contains the following sections:
•Cisco 90-Day Limited Hardware Warranty Terms, page 1
•Overview, page 3
•Technical Specifications, page 3
•System Requirements, page 7
•Installation Notes, page 8
•Safety Instructions, page 9
•Installation Instructions, page 10
•Obtaining Documentation, page 12
•Documentation Feedback, page 13
•Cisco Product Security Overview, page 14
•Obtaining Technical Assistance, page 14
•Obtaining Additional Publications and Information, page 16
Cisco 90-Day Limited Hardware Warranty Terms
There are special terms applicable to your hardware warranty and various services that you can use
during the warranty period. Your formal Warranty Statement, including the warranties and license
agreements applicable to Cisco software, is available on Cisco.com. Follow these steps to access and
download the Cisco Information Packet and your warranty and license agreements from Cisco.com.
1. Launch your browser, and go to this URL:
http://www.cisco.com/univercd/cc/td/doc/es_inpck/cetrans.htm
The Warranties and License Agreements page appears.

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Cisco 90-Day Limited Hardware Warranty Terms
2. To read the Cisco Information Packet, follow these steps:
a. Click the Information Packet Number field, and make sure that the part number
78-5235-03A0 is highlighted.
b. Select the language in which you would like to read the document.
c. Click Go.
The Cisco Limited Warranty and Software License page from the Information Packet appears.
d. Read the document online, or click the PDF icon to download and print the document in Adobe
Portable Document Format (PDF).
Note You must have Adobe Acrobat Reader to view and print PDF files. You can download
the reader from Adobe’s website: http://www.adobe.com
3. To read translated and localized warranty information about your product, follow these steps:
a. Enter this part number in the Warranty Document Number field:
78-5236-01C0
b. Select the language in which you would like to read the document.
c. Click Go.
The Cisco warranty page appears.
d. Review the document online, or click the PDF icon to download and print the document in
Adobe Portable Document Format (PDF).
You can also contact the Cisco service and support website for assistance:
http://www.cisco.com/public/Support_root.shtml.
Duration of Hardware Warranty
Ninety (90) days.
Replacement, Repair, or Refund Policy for Hardware
Cisco or its service center will use commercially reasonable efforts to ship a replacement part within ten
(10) working days after receipt of a Return Materials Authorization (RMA) request. Actual delivery
times can vary, depending on the customer location.
Cisco reserves the right to refund the purchase price as its exclusive warranty remedy.
To Receive a Return Materials Authorization (RMA) Number
Contact the company from whom you purchased the product. If you purchased the product directly from
Cisco, contact your Cisco Sales and Service Representative.
Complete the information below, and keep it for reference:
Company product purchased from
Company telephone number
Product model number
Product serial number
Maintenance contract number

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Overview
Overview
The AIR-ANTM4050V-R antenna operates in the 2.4- and 5-GHz bands, and is designed for use with
spatial-diversity access point (AP) systems. The AIR-ANTM4050V-R antenna is compatible with Cisco
802.11a/b/g radio products using a reverse-polarity threaded Neill-Concelman (RP-TNC) connector.
Figure 1 and Figure 2 show the front and rear panels of the AIR-ANTM4050V-R antenna.
Figure 1 Cisco AIR-ANTM4050V-R Antenna (Front Panel)
Figure 2 Cisco AIR-ANTM4050V-R Antenna Back Panel
Technical Specifications
The following table lists the technical specifications for the AIR-ANTM4050V-R antenna.
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Antenna type Omnidirectional patch
Operating frequency range 2400 to 2500 MHz and 4900 to 5990 MHz
Maximum VSWR1bandwidth 2.0:1
Peak gain
•2.4-GHz: 4 dBi
•5-GHz: 5 dBi
Polarization Linear (vertical) (2x)

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Technical Specifications
Figure 3 shows the H-plane radiation pattern at 2.4- to 2.5-GHz for the AIR-ANTM4050V-R antenna.
Figure 3 H-Plane Pattern at 2.4- to 2.5-GHz
Azimuth plane beamwidth Omnidirectional
Elevation plane 3 dB beamwidth (H-plane) Omnidirectional
Elevation plane 3 dB beamwidth (E-plane) 60 degrees
Coaxial cable 3 ft (0.9 m) plenum rated
Dimensions 6.2 x 3.6 x 0.9 in. (158 x 91 x 23 mm)
Weight 0.5 lb (0.23 kg)
Connector type RP-TNC (2x)
Enclosure Acrylic/PVC
Environment Indoor only
Mounting Ceiling grid, suspended tile
1. VSWR = voltage standing wave ratio
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Technical Specifications
Figure 4 shows the E-plane radiation pattern at 2.4- to 2.5-GHz for the AIR-ANTM4050V-R antenna.
Figure 4 E-Plane Pattern at 2.4- to 2.5-GHz
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Technical Specifications
Figure 5 shows the H-plane radiation pattern at 4.9- to 5.99-GHz for the AIR-ANTM4050V-R antenna.
Figure 5 H-Plane Pattern at 4.9- to 5.99-GHz
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System Requirements
Figure 6 shows the E-plane radiation pattern at 4.9- to 5.99-GHz for the AIR-ANTM4050V-R antenna.
Figure 6 E-Plane Pattern at 4.9- to 5.99-GHz
System Requirements
The AIR-ANTM4050V-R antenna requires a Cisco 802.11a/b/g radio product that uses a RP-TNC
connector.
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Installation Notes
Installation Notes
This antenna is designed to be mounted indoors on a suspended ceiling track having either flush or
recessed mounted ceiling tiles.
In addition to antenna orientation, wireless access point installation location with respect to all wireless
clients plays a significant role in determining overall network performance. Clients at the furthest
coverage points might have 10% to 50% of the bandwidth of clients close to it. Wireless network
coverage in one area or location might need to be lowered to improve the performance of other clients.
Because antennas transmit and receive radio signals, their performance can be adversely affected by the
surrounding environment including distance between access point and client, physical obstructions, or
radio frequency (RF) interference.
Follow these guidelines to ensure the best possible performance:
•Mount the antenna to use its propagation characteristics. For best results, mount the antenna
horizontally at ceiling level near the center of the coverage area.
Note The antenna must be mounted horizontally in order to maximize its omnidirectional
propagation characteristics. Mounting it vertically may noticeably decrease the antenna
range and overall performance.
•Wherever possible, mount the AP HWIC and antenna where the wireless devices would be within
sight and avoid physical obstructions. Barriers along the line of sight between client and access point
will degrade the wireless radio signals. AP HWICs and antennas can be installed above floor level
in office environments or near the ceiling for better performance since most obstructions tend to be
near floor level.
•The density of the materials used in a building's construction determines the number of walls the
signal must pass through and still maintain adequate coverage. Consider the following before
choosing the location to install your antenna:
– Paper and vinyl walls have very little effect on signal penetration.
– Solid and precast concrete walls limit signal penetration to one or two walls without degrading
coverage.
– Concrete and wood block walls limit signal penetration to three or four walls.
– A signal can penetrate five or six walls constructed of drywall or wood.
– A thick metal wall or wire-mesh stucco walls causes signals to reflect back and cause poor
penetration.
•Avoid mounting the antenna next to a column or vertical support that could create a shadow zone
and reduce the coverage area.
•Keep the antenna away from reflective metal objects such as heating and air-conditioning ducts,
large ceiling trusses, building superstructures, and major power cabling runs. If necessary, use an
extension cable to relocate the antenna away from these obstructions.
Caution Install the AP HWIC and any antennas away from appliances that share the same frequency bands.
Microwave ovens, cordless telephones, and security monitors can temporarily interfere with wireless
performance.

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Safety Instructions
Caution We recommend you avoid installing wireless antennas in or near rack-mounted installations that include
networking equipment and computer servers whose radiated noise emissions can severely degrade radio
performance.
•To extend the coaxial cable included with your antenna, we recomend a low-loss or ultra-low-loss
coaxial cable for installation flexibility without a significant loss in range. The following table lists
transmission loss information about low-loss and ultra-low-loss extension coaxial cables available
from Cisco.
Safety Instructions
Follow these safety instructions when installing your antenna.
Warning In order to comply with FCC radio frequency (RF) exposure limits, antennas should be located at a
minimum of 7.9 inches (20 cm) or more from the body of all persons. Statement 332
•Plan your installation procedure carefully and completely before you begin.
•If you are installing an antenna for the first time, for your own safety as well as that of others, seek
professional assistance. Consult your dealer, who can explain which mounting method to use for the
location where you intend to install the antenna.
•Choose your installation site with safety as well as performance in mind. Remember that electric
power cables and telephone lines look alike. For your safety, assume that any line is an electric
power line until determined otherwise.
•Call your local power company or building maintenance organization if you are unsure about cables
close to your mounting location.
•When installing your antenna, do not use a metal ladder. Do dress properly: shoes with rubber soles
and heels, rubber gloves, and a long-sleeved shirt or jacket.
•If an accident or emergency occurs with the power lines, call for qualified emergency help
immediately.
Cisco Product Number Cable Length Transmission Loss
AIR-CAB020LL-R 20 ft (6 m) •2.4-GHz: 1.3 dBi
•5-GHz: 2.5 dBi
AIR-CAB050LL-R 50 ft (15 m) •2.4-GHz: 3.3 dBi
•5-GHz: 5.75 dBi
AIR-CAB100ULL-R 100 ft (30 m) •2.4-GHz: 4.4 dBi
•5-GHz: 7.25 dBi
AIR-CAB150ULL-R 150 ft (46 m) •2.4-GHz: 6.6 dBi
•5-GHz: 11 dBi

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Installation Instructions
Installation Instructions
The following sections contain procedures for installing the antenna on a suspended ceiling.
Mounting on Suspended Ceilings with Flush Mounted Tiles
The antenna is configured to mount to a suspended ceiling track with flush mounted tiles. Suspended
ceiling mounting clips are provided on the rear panel of the antenna. (See Figure 7.)
Figure 7 Suspended Ceiling with Flush Mounted Tiles
After you have selected a suitable location, follow these steps to mount the antenna:
Step 1 Make two small slots in the ceiling tile for the cables to pass through.
Step 2 Line up the antenna mounting clips with the ceiling track.
Step 3 Grasp the antenna with one hand and the track with the other while gently pushing the antenna until the
clips are securely attached to the track.
Step 4 Route the antenna cables into the space above the ceiling grid and connect them to the device or extender
cables.
Step 5 Replace the ceiling tiles.
Note You may have to trim some material from one of the tiles to accommodate the antenna cables.
1Ceiling track 2Suspended ceiling mounting clips
Side view
Top view
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Installation Instructions
Mounting on Suspended Ceilings with Recessed Tiles
The antenna can be mounted to a suspended ceiling with recessed tiles by using the provided plastic
recessed ceiling mounting clip adapter. (See Figure 8.)
Figure 8 Recessed Ceiling Mounting Clip Adapter
After you have selected a suitable location, follow these steps to mount your antenna:
Step 1 Remove two ceiling tiles on either side of the ceiling track.
Step 2 Mark a center point on the ceiling track at the location where you intend to mount the antenna.
Step 3 Mark a point 2.5 in. (63 mm) from either side of the center point. The distance between these two points
should be about 6 in. (152 mm).
Step 4 Examine the adapter clips. One side has an elongated opening and a tab.
Step 5 Follow these steps to install a recessed ceiling mounting clip adapter at each point:
a. Insert the side without the opening and tab onto the ceiling track.
b. Push the tab to lock the other end onto the ceiling track.
c. Install the second adapter the same way you installed the first.
d. Make sure that the adapters are about 6 in. (152 mm) apart and the elongated openings are on the
same side of the ceiling track as shown in Figure 9.
Figure 9 Ceiling Mounting Clip Adapters
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1Distance between mounting clip adapters
(about 6 in. [152 mm] apart)
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Obtaining Documentation
Step 6 Grasp the antenna with one hand and the track with the other while inserting the antenna’s mounting
clips into the ceiling mounting clip adapter until they can go no further, as shown in Figure 10.
Figure 10 Inserting the Mounting Clips into the Mounting Clip Adapter
Step 7 Route the antenna cables into the space above the ceiling grid and connect them to the device or extender
cables.
Note You may have to trim some material from one of the tiles to accommodate the antenna cables.
Step 8 Replace the ceiling tiles.
Obtaining Documentation
Cisco documentation and additional literature are available on Cisco.com. Cisco also provides several
ways to obtain technical assistance and other technical resources. These sections explain how to obtain
technical information from Cisco Systems.
Cisco.com
You can access the most current Cisco documentation at this URL:
http://www.cisco.com/univercd/home/home.htm
You can access the Cisco website at this URL:
http://www.cisco.com
You can access international Cisco websites at this URL:
http://www.cisco.com/public/countries_languages.shtml
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Documentation Feedback
Documentation DVD
Cisco documentation and additional literature are available in a Documentation DVD package, which
may have shipped with your product. The Documentation DVD is updated regularly and may be more
current than printed documentation. The Documentation DVD package is available as a single unit.
Registered Cisco.com users (Cisco direct customers) can order a Cisco Documentation DVD (product
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Cisco Ordering tool:
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Cisco Marketplace:
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Ordering Documentation
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•Nonregistered Cisco.com users can order documentation through a local account representative by
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Documentation Feedback
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You can submit comments by using the response card (if present) behind the front cover of your
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Cisco Systems
Attn: Customer Document Ordering
170 West Tasman Drive
San Jose, CA 95134-9883
We appreciate your comments.

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Cisco Product Security Overview
Cisco Product Security Overview
Cisco provides a free online Security Vulnerability Policy portal at this URL:
http://www.cisco.com/en/US/products/products_security_vulnerability_policy.html
From this site, you can perform these tasks:
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A current list of security advisories and notices for Cisco products is available at this URL:
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If you prefer to see advisories and notices as they are updated in real time, you can access a Product
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Reporting Security Problems in Cisco Products
Cisco is committed to delivering secure products. We test our products internally before we release them,
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vulnerability in a Cisco product, contact PSIRT:
•Emergencies—[email protected]
•Nonemergencies— [email protected]
Tip We encourage you to use Pretty Good Privacy (PGP) or a compatible product to encrypt any sensitive
information that you send to Cisco. PSIRT can work from encrypted information that is compatible with
PGP versions 2.xthrough 8.x.
Never use a revoked or an expired encryption key. The correct public key to use in your correspondence
with PSIRT is the one that has the most recent creation date in this public key server list:
http://pgp.mit.edu:11371/pks/lookup?search=psirt%40cisco.com&op=index&exact=on
In an emergency, you can also reach PSIRT by telephone:
•1 877 228-7302
•1 408 525-6532
Obtaining Technical Assistance
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Technical Support provides 24-hour-a-day, award-winning technical assistance. The Cisco Technical
Support Website on Cisco.com features extensive online support resources. In addition, Cisco Technical
Assistance Center (TAC) engineers provide telephone support. If you do not hold a valid Cisco service
contract, contact your reseller.

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Obtaining Technical Assistance
Cisco Technical Support Website
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Access to all tools on the Cisco Technical Support Website requires a Cisco.com user ID and password.
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Note Use the Cisco Product Identification (CPI) tool to locate your product serial number before submitting
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Search results show an illustration of your product with the serial number label location highlighted.
Locate the serial number label on your product and record the information before placing a service call.
Submitting a Service Request
Using the online TAC Service Request Tool is the fastest way to open S3 and S4 service requests. (S3
and S4 service requests are those in which your network is minimally impaired or for which you require
product information.) After you describe your situation, the TAC Service Request Tool provides
recommended solutions. If your issue is not resolved using the recommended resources, your service
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For S1 or S2 service requests or if you do not have Internet access, contact the Cisco TAC by telephone.
(S1 or S2 service requests are those in which your production network is down or severely degraded.)
Cisco TAC engineers are assigned immediately to S1 and S2 service requests to help keep your business
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To open a service request by telephone, use one of the following numbers:
Asia-Pacific: [phone] (Australia: 1 800 805 227)
EMEA: [phone]
USA: 1 800 553-2447
For a complete list of Cisco TAC contacts, go to this URL:
http://www.cisco.com/techsupport/contacts

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Obtaining Additional Publications and Information
Definitions of Service Request Severity
To ensure that all service requests are reported in a standard format, Cisco has established severity
definitions.
Severity 1 (S1)—Your network is “down,” or there is a critical impact to your business operations. You
and Cisco will commit all necessary resources around the clock to resolve the situation.
Severity 2 (S2)—Operation of an existing network is severely degraded, or significant aspects of your
business operation are negatively affected by inadequate performance of Cisco products. You and Cisco
will commit full-time resources during normal business hours to resolve the situation.
Severity 3 (S3)—Operational performance of your network is impaired, but most business operations
remain functional. You and Cisco will commit resources during normal business hours to restore service
to satisfactory levels.
Severity 4 (S4)—You require information or assistance with Cisco product capabilities, installation, or
configuration. There is little or no effect on your business operations.
Obtaining Additional Publications and Information
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•iQ Magazine is the quarterly publication from Cisco Systems designed to help growing companies
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help solve them, using real-world case studies and business strategies to help readers make sound
technology investment decisions. You can access iQ Magazine at this URL:
http://www.cisco.com/go/iqmagazine

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Obtaining Additional Publications and Information
•Internet Protocol Journal is a quarterly journal published by Cisco Systems for engineering
professionals involved in designing, developing, and operating public and private internets and
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http://www.cisco.com/ipj
•World-class networking training is available from Cisco. You can view current offerings at
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Copyright © 2005 Cisco Systems, Inc. All rights reserved.
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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 relationship between Cisco and any other company. (0709R)

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Obtaining Additional Publications and Information