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consult representatives of Extreme Networks to determine whether any such changes have been
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The hardware, firmware, software or any specifications described or referred to in this document
are subject to change without notice.
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For additional information on Extreme Networks trademarks, please see:
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Support
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For information, contact:
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USA
Table of Contents
About This Guide....................................................................................................................... 4
Text Conventions...................................................................................................................................................................4
Providing Feedback to Us.................................................................................................................................................5
Related Publications............................................................................................................................................................6
Chapter 1: AP Site Preparation.................................................................................................7
ExtremeWireless Access Points that Support External Antennas................................................................7
Choosing Antennas for Wireless Network Configurations...............................................................................7
Determining the Antenna Locations........................................................................................................................... 8
Contacting an Antenna Installation Company...................................................................................................... 15
Chapter 2: ExtremeWireless APs That Support External Antennas..................................17
Determining the Location of the AP.......................................................................................................................... 17
Mounting the Antenna.....................................................................................................................................................24
This guide describes the requirements for the successful installation of the ExtremeWireless external
antennas used in a wireless network. An ExtremeWireless network consists of access points, controllers,
antennas, and associated accessories.
Warning
Only qualified personnel should perform installation procedures.
Intended Audience
The ExtremeWireless external antennas must be installed by an antenna installation professional who
can determine, provide, and install the necessary support structure and grounding system. The antenna
installation professional should be licensed or certified in accordance with local regulations.
This preface provides an overview of this guide and a brief summary of each chapter; defines the
conventions used in this document; and instructs how to obtain technical support from Extreme
Networks.
Text Conventions
The following tables list text conventions that are used throughout this guide.
Table 1: Notice Icons
IconNotice TypeAlerts you to...
General NoticeHelpful tips and notices for using the product.
NoteImportant features or instructions.
CautionRisk of personal injury, system damage, or loss of data.
WarningRisk of severe personal injury.
NewThis command or section is new for this release.
ExtremeWireless™ External Antenna with Wave 24
Table 2: Text Conventions
ConventionDescription
Screen displays
This typeface indicates command syntax, or represents information as it appears on the
screen.
About This Guide
The words enter and
type
[Key] namesKey names are written with brackets, such as [Return] or [Esc]. If you must press two
Words in italicized typeItalics emphasize a point or denote new terms at the place where they are defined in
When you see the word “enter” in this guide, you must type something, and then press
the Return or Enter key. Do not press the Return or Enter key when an instruction
simply says “type.”
or more keys simultaneously, the key names are linked with a plus sign (+). Example:
Press [Ctrl]+[Alt]+[Del]
the text. Italics are also used when referring to publication titles.
Providing Feedback to Us
We are always striving to improve our documentation and help you work better, so we want to hear
from you! We welcome all feedback but especially want to know about:
Content errors or confusing or conflicting information.
•
Ideas for improvements to our documentation so you can find the information you need faster.
•
Broken links or usability issues.
•
If you would like to provide feedback to the Extreme Networks Information Development team about
this document, please contact us using our short online feedback form. You can also email us directly at
internalinfodev@extremenetworks.com.
Getting Help
If you require assistance, contact Extreme Networks using one of the following methods:
Global Technical Assistance Center (GTAC) for Immediate Support
•
Phone: 1-800-998-2408 (toll-free in U.S. and Canada) or +1 408-579-2826. For the support
•
phone number in your country, visit: www.extremenetworks.com/support/contact
Email: support@extremenetworks.com. To expedite your message, enter the product name or
•
model number in the subject line.
GTAC Knowledge — Get on-demand and tested resolutions from the GTAC Knowledgebase, or
•
create a help case if you need more guidance.
The Hub — A forum for Extreme customers to connect with one another, get questions answered,
•
share ideas and feedback, and get problems solved. This community is monitored by Extreme
Networks employees, but is not intended to replace specific guidance from GTAC.
Support Portal — Manage cases, downloads, service contracts, product licensing, and training and
•
certifications.
Before contacting Extreme Networks for technical support, have the following information ready:
Your Extreme Networks service contract number and/or serial numbers for all involved Extreme
•
Networks products
A description of the failure
•
ExtremeWireless™ External Antenna with Wave 25
A description of any action(s) already taken to resolve the problem
•
A description of your network environment (such as layout, cable type, other relevant environmental
•
information)
Network load at the time of trouble (if known)
•
The device history (for example, if you have returned the device before, or if this is a recurring
•
problem)
Any related Return Material Authorization (RMA) numbers
•
Related Publications
ExtremeWireless and ExtremeWireless AP documentation can be found on Extreme Documentation
page at: http://documentation.extremenetworks.com
Extreme recommends the following guides for users of ExtremeWireless products:
ExtremeWireless Access Points that Support External Antennas
Choosing Antennas for Wireless Network Configurations
Determining the Antenna Locations
Antenna Models
Cable Options
Contacting an Antenna Installation Company
This chapter describes the site requirements for the successful installation of ExtremeWireless antennas.
This information is intended for sales engineers or site evaluators.
Warning
Site prerequisites should be verified by a person familiar with national codes, local electrical
codes, and with other regulations governing this type of installation. Extreme Networks, its
channel partners, resellers, and distributors assume no liability for personal injury, property
damage, or violation of government regulations that may arise from failing to comply with the
instructions in this guide.
ExtremeWireless Access Points that Support External Antennas
Not all antennas listed in this document can be used by all wireless access points. If the name of the
access point ends with an "e", the access point supports external antennas. For example, the AP3935e
supports external antennas. For legacy access points, refer to ExtremeWireless™ External Antenna Site
Preparation and Installation Guide (P/N 9034559-09) to determine if your legacy access point supports
external antennas. Antenna Modelsidentifies which antennas are supported by each AP.
Choosing Antennas for Wireless Network Configurations
The type and number of antennas that you need depend on the configuration of your wireless network.
The following table lists the general type of antenna to use for various wireless network configurations.
ExtremeWireless™ External Antenna with Wave 27
Table 3: Antennas for Wireless Network Configurations
Network ConfigurationDescriptionAntenna Type
AP Site Preparation
LAN-to-LAN Point-to-PointThis is a wireless link between two WDS
APs that connects two separate wired
LANs. (WDS APs are configured to
operate as Workgroup bridges.)
LAN-to-LAN Point-to-MultipointIn a point-to-multipoint network, up to
nine WDS APs provide wireless links to
connect up to nine LANs. One AP is
designated as the root (multipoint) AP
connected to a wired infrastructure. The
other APs are called child APs. Child APs
establish a backhaul connection with the
root AP and, at the same time, provide
LAN switching.
Wireless InfrastructureThis is an inside/outside wireless
network where one or more WDS APs
are used to establish a wireless backhaul
and connect clients or LAN segments to
the wired LAN.
Directional antennas
Omni-Directional antenna— to
which the root AP connects.
Directional antennas— to which
the child APs connect.
An Omni-Directional or a sectored
antenna.
Determining the Antenna Locations
The following factors determine the locations where you can place the antennas relative to one another
and the distances between them:
Type of antennas. The ExtremeWireless antennas are described in Antenna Installation on page 23.
•
Length of cable connecting the antenna to the AP.
•
Data rate required.
•
In a LAN-to-LAN network, the distance between the buildings.
•
Obstructions in the signal path.
•
In a wireless infrastructure network, the area around the antenna where clients need to
•
communicate with the AP.
Directional and omni-directional antennas are often installed on rooftops. The directional antenna can
also be installed on the side of a building. The following sections describe the factors that aect the
range of these antennas.
Line of Sight
The shape of the radio beam, defined as the Fresnel Zone, is widest in the middle. The Fresnel Zone is
shown as the gray area between the antennas in Fresnel Zone and Line of Sight Clearance. The exact
shape and width of the Fresnel Zone is determined by the distance between the antenna and frequency
of the radio signal.
The radius of the radio beam, shown as the lower half of the Fresnel Zone, is the distance from the
center of the beam outward in any direction. The length of the radius is not based on the data rate and
the type of antenna.
ExtremeWireless™ External Antenna with Wave 28
Figure 1: Fresnel Zone and Line of Sight Clearance
AP Site Preparation
The radius can be calculated using the following formula:
Where
D = Distance between the antennas in kilometers
f = Frequency in GHz
60% of the Fresnel Zone has to be clear of obstructions to be line of sight. In addition to the Fresnel
Zone height requirement, earth curvature may become a factor in paths longer than 2 Km. The
additional antenna height can be calculated using the following formula:
Where
D = Distance between the antennas in kilometers
H = Height required to overcome earth curvature
and Table 5 on page 10 lists typical antenna height requirements.
For optimal performance, ensure that the antenna products you choose, in combination with the height
of the antenna installation above ground, provide sucient clearance to allow your antenna installation
to cover the distance between the two sites.
Obstacles within the line of sight can significantly reduce the distance and performance. Obstructions
include neighboring buildings, trees, and power lines, as shown in the following figure:
ExtremeWireless™ External Antenna with Wave 210
AP Site Preparation
Figure 2: Potential Obstacles to Line of Sight (not to scale)
Additional Location Requirements
This section describes other requirements to meet before installing the outdoor antennas.
Lightning Protection
•
A lightning rod must be placed close to the antenna mast or wall bracket. This is required to protect
the antenna from direct lightning strikes.
Grounding System
•
Direct earth grounding of the antenna and the lightning protector is necessary to protect the
installation from lightning and the build-up of static electricity. The wireless device and the lightning
protector must be connected to the same earth ground using separate grounds. The antenna and
the mounting structure require separate grounds to the same earth ground, using an equipotential
bonding conductor. Check with a certified antenna installer, or local electrician, to make sure the
antenna is properly grounded.
Ensure that the cable between the antenna and lightning protector is at least 0.9 meters (3 feet)
away from high-voltage or high-current cable. For more information about the lightning protector,
see Grounding System on page 24.
ExtremeWireless™ External Antenna with Wave 211
Antenna Height
•
If you are mounting the antenna on a roof, the antenna must have minimum clearance as specified in
Table 4 on page 9 and Table 5 on page 10.
If you are mounting the directional antenna to a wall of a building, it must be high enough to achieve
a clear line of sight. Mounting an omni-directional antenna to the side of a building can cause signal
reflection and reduce distance.
Note
The installer is responsible for local building codes.
AP Placement
•
The AP should be located indoors, and connected to the outdoor antenna using the shortest cable
possible to reduce the loss of the cable.
Antenna Models
AP Site Preparation
This section provides a brief description of the antenna models oered by Extreme Networks for use
with ExtremeWireless APs. Table 6 lists antennas supported by the 39xx series APs. Table 7 on page 14
lists antennas for the AP38xx series . Refer to Antenna Installation on page 23 for antenna installation
instructions.
ExtremeWireless™ External Antenna with Wave 212
Table 6: AP39xx External Antennas Listed by AP
AP Site Preparation
Antenna Gain
(dBi)
Extreme Networks
Wireless AP
3965e
The AP3965
uses Standard
Polarity, Type-N
Plug and Type N
Jack connectors.
For optional
cables, see Table
dual
polarization,
point-to-point.
Includes two,
five-foot adapter
cables
2.4G/5G5.55.5
5GN/A4
2.4G5N/A
2.4G/5G76
5GN/A23
2.4G5G
3935e
30702 (WS-AI-DQ05120)Indoor120 degree,
Sector
2.4G/5G5.55.5
The AP3935 uses
Reverse Polarity
SMA connectors.
ExtremeWireless™ External Antenna with Wave 213
30703 (WS-AI-5Q04060)Indoor60 degree,
Sector
30704 (WS-AI-2Q05060)Indoor60 degree,
Sector
30705 (WS-AI-DE07025)Indoor25 degree,
Sector
30706 (WS-AI-5Q05025)Indoor25 degree,
Sector
30707 (WS-AI-DE10055)Indoor55 degree,
Sector
30709 (WS-ANT-2DIP-4)IndoorDIPOLE2.4G4.66N/A
30710 (WS-ANT-5DIP-4)IndoorDIPOLE5GN/A4.67
WS-AI-DQ04360 (WS-AIDQ04360)
IndoorCeiling Mount
Omni
5GN/A4
2.4G5N/A
2.4G/5G7.56.5
5GN/A4.5
2.4G/5G10.57.5
2.4G/5G47
The following table lists existing antennas supported by AP38xx models.
Table 7: AP38xx External Antennas Listed by AP
AP Site Preparation
Antenna Gain
(dBi)
Extreme Networks
Wireless AP
AP3865e
The AP3865 uses
Standard
Polarity, Type-N
Plug and Type N
Jack connectors.
For optional
cables see Table
49 on page 140.
Antenna ModelTypeDescriptionFrequency
(GHz)
WS-AO-DT05120NOutdoor120 degree,
sector, triplefeed, MIMO.
WS-AO-5D23009NOutdoor9 degree, panel,
dual polarization,
point-to-point.
Includes two,
five-foot adapter
cables.
WS-AO-DX13025NOutdoor27/30 degree,
panel, six-feed.
WS-AO-DX10055NOutdoor55 degree, panel,
six-feed.
WS-AO-DS02360N3OutdoorOmni baton,
single feed, 3
pack.
WS-AO-2DIPN3OutdoorDipole, 3 pack.2.45N/A
WS-AO-5DIPN3OutdoorDipole, 3 pack.5.0N/A7
WS-AO-DX07180NOutdoor180 degree,
panel, six feed.
Includes six, five-foot adapter
cables.
2.3–2.7/4.9–6.1 55
5.15–5.875N/A23
2.4–2.5/5.15–
5.875
2.4–2.5/5.15–
5.875
2.4–2.5/5.15–
5.875
2.4–2.5/5.15–
5.875
2.4G5G
1211
98
22
77
AP3825e
The AP3825 uses
Reverse Polarity
SMA connectors.
ExtremeWireless™ External Antenna with Wave 214
WS-ANT-2DIP-3IndoorMIMO; Single-
band, 3
connector ports.
WS-ANT-5DIP3IndoorMIMO; Single-
band, 3
connector ports.
WS-AI-DX02360IndoorMIMO; Dual-
band.
WS-AI-DT05120IndoorMIMO, Sector,
Dual-band, 3
connector ports.
WS-AI-DX10055IndoorMIMO; Sector,
Dual-band.
WS-AI-DX07025IndoorMIMO; Sector;
Dual-band.
2.43N/A
5.0N/A3
2.4–2.5/5.15–
5.85
2.3–2.7/4.9–6.1 52.1
2.4–2.5/5.1–5.9 106
2.4–2.5/5.1–5.9 6.55.5
2N/A
Table 7: AP38xx External Antennas Listed by AP (continued)
AP Site Preparation
Antenna Gain
(dBi)
Extreme Networks
Wireless AP
AP3805e
The AP3805 uses
Reverse Polarity
SMA connectors.
Antenna ModelTypeDescriptionFrequency
(GHz)
WS-AI-DQ04360IndoorMIMO; Dual-
band, 802.11n, 4
connector ports.
WS-AI-DD05120IndoorMIMO, Dual-
Feed, 120 degree
sector.
WS-ANT-2DIP2IndoorDipole, 2 pack.2.43N/A
WS-ANT-5DIP2IndoorDipole 2 pack.5.03N/A
2.4-2.5/4.9-5.9 47
2.4/5.065
Cable Options
Extreme Networks oers optional low-loss, outdoor and indoor cables. The outdoor cables are
watertight cables to connect the outdoor APs to an antenna. The optional outdoor cables have a
Standard Polarity Type-N Plug and Type-N Jack. The indoor cables have a Reverse Polarity SMA-Type
connector. Carefully determine the distance between the locations where you intend to mount the
external antenna to ensure that you order the right cable length.
Note
Extreme Networks recommends using PFP600 (Cables: WS–CAB–L600C25N and WS–CAB–
L600C50N) for 5 GHz.
2.4G5G
For more information about antenna cables, see:
Table 49 on page 140
•
Indoor Antenna Cables with Reverse Polarity SMA-Type Connectors on page 141
•
Contacting an Antenna Installation Company
Have an antenna installation professional install the outdoor antennas. The antenna installer provides
the expertise to properly install, secure, and ground your antenna. The following checklists describe
tasks that the installer may need to perform.
Note
The antenna installation professional should be licensed or certified in accordance with local
regulations.
Mounting Requirements
Determine the type of mounting that is required (tripod, wall mount, and so on).
•
Determine the guy wires needed. Typically, three guy wires are needed for each 3 meter (10 foot)
•
section of the mast; for example, 6 meters (20 feet) of mast requires six guy wires.
ExtremeWireless™ External Antenna with Wave 215
AP Site Preparation
Line of Sight
Determine the mounting location for the antenna.
•
Ensure that the back of the antenna is clear.
•
Ensure that remote and local antennas can see each other.
•
Ensure that no obstacles are in the direct path or within the defined zone of the two sites.
•
Consider whether any Radio Frequency (RF) interference is present.
•
Installation Requirements
Determine the best location for the AP.
•
Determine the length of cable required from the antenna to the AP.
•
Ensure the location has an accessible Ethernet connection.
•
Determine the distance between buildings.
•
You may need to provide the following distances when contacting the antenna installation company.
•
Distance to Provide to Antenna Installation Company
Coverage area required (wireless infrastructure network
configuration):
Height of building A:
Height of building B:
All possible obstacles that can interfere with the defined
radius.
ExtremeWireless™ External Antenna with Wave 216
2 ExtremeWireless APs That Support
External Antennas
Determining the Location of the AP
ExtremeWireless AP3965e
ExtremeWireless AP3935e
ExtremeWireless AP3865e
ExtremeWireless AP3825e
ExtremeWireless AP3805e
This section provides an illustration of each ExtremeWireless AP with information about how to
determine where to place the AP.
Determining the Location of the AP
The ideal location to install your ExtremeWireless AP must satisfy the following requirements:
For indoor APs, the location must be indoors to protect the AP from extreme weather conditions,
•
excessive heat and humidity, and to keep the unit free from vibration and dust. For a list of
ExtremeWireless indoor APs and the supported antennas, see External Antennas for Use with
Indoor APs on page 93.
The location must provide a connection to the network backbone via an Ethernet LAN cable going
•
to a hub, bridge, or directly into a patch panel. An AP in a WDS does not require an Ethernet
connection since backhaul is established over the wireless medium.
For an outdoor AP, the location must be close to where the low-loss antenna cable will enter the
•
building. For a list ofExtremeWireless outdoor APs and the supported antennas, see External
Antennas for Use with Outdoor APs on page 41.
Extreme Networks recommends using PFP240 or PFP400 cable for 2.4 GHz and PFP600 for 5GHz.
•
For more information, see Cable Specifications on page 141.
External Wave 2 antennas have built-in lightening protectors.
•
ExtremeWireless AP3965e
The AP3965 enables you to extend your wireless LAN beyond the boundaries of indoor locations. It is
resistant to harsh outdoor conditions and extreme temperatures. Using the advanced full mesh wireless
distribution feature of the wireless LAN, the AP3965 can extend your wireless LAN to outdoor locations
without Ethernet cabling. A mounting bracket is available to enable quick and easy mounting of the
AP3965 to walls and poles. The ExtremeWireless 3965e oers 8 connections for external antennas.
The AP3965 is an 802.11ac AP that supports 802.11a/802.11g and 802.11b legacy devices. It is delivered in
a rugged enclosure. The AP3965 interoperates fully with the wireless LAN, including support for
wireless VoWLAN, branch oce mode, availability and mobility features. The AP3965i provides eight
ExtremeWireless™ External Antenna with Wave 217
ExtremeWireless APs That Support External Antennas
internal antennas, and the AP3965e (Figure 3) supports a variety of external antennas, providing range
and coverage versatility. For a list of supported antennas for the AP3965, see Table 6 on page 13.
Figure 3: AP3965e Front View
Component
14 Radio Antenna Connection ports on each side
2LAN Ports (POE)
3Console Port and Reset Button
Refer to the ExtremeWireless AP3965i & AP3965e Installation Guide for information about AP
installation procedures.
Description
LAN 1 PDE Port
•
LAN 2 PSE Port output of DC48V, 0.26A
•
ExtremeWireless AP3935e
The AP3935 is designed to extend your Wireless LAN around indoor locations. The AP3935 supports
the 802.11ac and 802.11n wireless standards, with full backward compatibility with legacy 802.11a, and
802.11b/g devices.
The AP3935 interoperates fully with Wireless LANs, including support for VoWLAN, branch oce mode,
guest services, RTLS, availability, and mobility features. The operating temperature: 0 - 50C. The
AP3935 oers the following features:
ExtremeWireless™ External Antenna with Wave 218
ExtremeWireless APs That Support External Antennas
Support for two MIMO 4x4 (up to four 802.11ac spatial streams).
•
Two single band radios for dual-band, concurrent operation, optimized for indoor antenna coverage:
•
5 GHz (Radio 1) in any of the following modes: IEEE802.11ac, a/b/g and/or n
•
2.4 GHz (Radio 2) in any of the following modes: IEEE802.11ac, a/b/g and/or n
•
Enclosed in a rectangular, compact case.
•
Can be mounted on walls and drop/suspended ceilings.
•
Provides 80 MHz Bandwidth at 2.4/5 GHz operation (Channel Bonding).
•
Power is provided through two Ethernet ports (LAN port). This is the preferred method of powering
•
the AP on ceiling and wall installations. The AP3935 can also be powered by an external DC power
supply by plugging the supply’s input jack into the DC-In port.
The ExtremeWireless 3935e oers eight connections for external antennas.
•
For a list of supported antennas for the AP3935, see Table 6 on page 13.
Figure 4: AP3935e Top View
Refer to the ExtremeWireless AP3935i & AP3935e Installation Guide for more information about AP
installation procedures.
ExtremeWireless AP3865e
The WS-AP3865e is designed to extend your wireless LAN around indoor locations. It operates fully
with the Extreme Networks wireless LAN, including support for Extreme Networks wireless VoWLAN,
branch oce mode, availability and mobility features. This AP operates in 802.11ac and 802.11n mode
ExtremeWireless™ External Antenna with Wave 219
ExtremeWireless APs That Support External Antennas
and also support 802.11a/802.11g and 802.11b standard legacy devices. It includes mounting brackets. It
can be powered directly through the LAN using Power over Ethernet (PoE), or by an external adapter.
Using the advanced full mesh wireless distribution feature of the wireless LAN, the WS-AP3865e can
extend your wireless LAN to outdoor locations without Ethernet cabling. It is resistant to harsh outdoor
conditions and extreme temperatures.
For a list of supported antennas for the AP3865, see Table 7 on page 14.
Figure 5: WS-AP3865e Top/Bottom View
Radio 2—Left Antenna (2.4 GHz)5LAN 1 Port (POE Input)
Refer to the IdentiFi Wireless WS-AP3865e Installation Guide for information about AP installation
procedures.
ExtremeWireless AP3825e
The AP3825e is designed to extend your wireless LAN around indoor locations. It operates fully with the
Extreme Networks wireless LAN, including support for Extreme Networks wireless VoWLAN, branch
oce mode, availability and mobility features. This AP operates in 802.11ac and 802.11n mode and also
support 802.11a/802.11g and 802.11b standard legacy devices. It includes mounting brackets. It can be
powered directly through the LAN using Power over Ethernet (PoE), or by an external adapter.
(110/240V AC/DC)
WS-AP3825e supports two MIMO 3x3 (up to three 802.11ac spatial streams). It provides two single band
radios for dual-band, concurrent operation, optimized for indoor antenna coverage.It provides 40MHz
Bandwidth at 2.4/5 GHz operation (Channel Bonding).
ExtremeWireless™ External Antenna with Wave 220
ExtremeWireless APs That Support External Antennas
The WS-AP3825e has dual Ethernet (LAN) ports for fault-tolerant network connection and failover.
For a list of supported antennas for the WS-AP3825e, see Table 7 on page 14.
3External DC Power Supply Port8(bottom) Kensington Lock Slot
4LAN Port 19External antenna connectors (6 R-SMA)
5LAN Port 2
Refer to the IdentiFi Wireless WS-AP3825i & WS-AP3825e Installation Guide for information about AP
installation procedures.
ExtremeWireless AP3805e
The WS-AP3805 is designed to extend your wireless LAN around indoor locations. It operates fully with
the Extreme Networks wireless LAN, including support for Extreme Networks wireless VoWLAN, branch
oce mode, availability and mobility features. This AP operates in 802.11ac and 802.11n mode and also
support 802.11a/802.11g and 802.11b standard legacy devices. It includes mounting brackets. It can be
powered directly through the LAN using Power over Ethernet (PoE), or by an external adapter. An
optional, external 12V DC power supply (WS-PSI12V-MR1) may be ordered separately to power the WSAP3805 from a standard AC wall outlet.
For a list of supported antennas for the WS-AP3805e, see Table 7 on page 14.
ExtremeWireless™ External Antenna with Wave 221
ExtremeWireless APs That Support External Antennas
Refer to the IdentiFi Wireless WS-AP3805i & WS-AP3805e Installation Guide for the AP3805e
installation procedures.
ExtremeWireless™ External Antenna with Wave 222
3Antenna Installation
Outdoor Antenna Kits
Installation Overview
Grounding System
Mounting the Antenna
Cable Installation Guidelines
Routine Maintenance
This section provides the information necessary for a professional antenna installer to install the
Extreme Networks antennas.
Warning
Antennas should only be installed by a qualified antenna installer. The antenna installation
professional should be licensed or certified in accordance with local regulations.
Do not install the antenna in wet, windy, icy, or otherwise unsafe weather conditions.
Outdoor Antenna Kits
The ExtremeWireless outdoor antenna kits do NOT provide the following items, which may be
necessary to install the antenna:
Mast or other antenna support structure
•
Guy wires
•
All cables or other hardware necessary for a complete grounding system
•
Waterproof tape
•
Note
It is the customer’s responsibility to ensure that an outdoor antenna installation complies with
local radio regulations.
Installation Overview
Note
Not all antennas described in this chapter can be used by every wireless access point. Refer to
Antenna Models on page 12 to determine if your access point supports the specified antenna.
The installation process is summarized in the following steps. The following sections in this chapter
provide additional details.
1Make sure the APs are mounted and configured as specified.
2 Plan and implement a grounding system (if applicable) that meets local electrical codes and safety
standards.
ExtremeWireless™ External Antenna with Wave 223
Antenna Installation
3 Install the lightning protector (if applicable).
4 Provide and install an antenna support structure as necessary. Make sure that the support structure
is connected to the grounding system (if applicable).
5 Connect the exposed metal connectors of the low-loss antenna cable to the grounding system (if
applicable).
6 Mount the antenna to the support structure.
7 Connect the antenna cables.
8 Route and connect the low-loss antenna cable to the lightning protector that has been installed
indoors (if applicable).
9 Connect the cable assembly from the AP to the lightning protector (if applicable).
10 After verifying that the communications link is fully operational, secure all cables and use
weatherproofing tape to seal all outdoor connectors.
Grounding System
Direct earth grounding of the antenna and the lightning protector is necessary to protect the installation
from lightning and the build-up of static electricity.
Caution
The antenna mast, ExtremeWireless AP, and lightning protector must be connected to the
same earth ground (with separate grounds), using an equipotential bonding conductor. A
good electrical connection should be made to one or more ground rods using at least a
6AWG ground wire and non-corrosive hardware. The grounding system must comply with the
National Electrical Code and safety standards that apply in your country. Always check with a
qualified electrician to determine whether your outdoor installation is properly grounded.
The grounding system must satisfy the following requirements:
The antenna mast, ExtremeWireless AP, and lightning protector must be connected to the same
•
earth ground using an equipotential bonding conductor.
The antenna and the mounting structure require a separate earth ground connection. Check with a
•
certified antenna installer to make sure the antenna is properly grounded.
Ensure that the cable between the antenna and lightning protector is at least 0.9 meters (3 feet)
•
away from high-voltage or high-current cable.
A good electrical connection must be made to one or more ground rods, using at least a 10 AWG
•
ground wire and noncorrosive hardware.
The grounding system must comply with electrical codes and safety standards that apply in your
•
locality.
Have a qualified electrician verify that your outdoor installation is properly grounded.
•
Caution
A properly installed safety grounding system is necessary to protect your ExtremeWireless
outdoor installation from lightning strikes and static electricity build-up.
Mounting the Antenna
This section includes requirements and mounting guidelines for the ExtremeWireless outdoor antennas.
ExtremeWireless™ External Antenna with Wave 224
Antenna Installation
Selecting a Mast
Note
You must supply your own mast on which to mount an ExtremeWireless antenna.
ExtremeWireless antennas do not come with masts.
To minimize the influence of obstacles, signal interference or reflections, install the antenna at least 2
meters (6 feet) away from all other antennas.
If you need to mount multiple antennas on a single mast, alternate the mounting of directional antennas
for vertical and horizontal polarization.
In subfreezing conditions, the communications link could fail if an antenna is exposed to ice buildup or
covered with snow.
The mast must satisfy the following requirements:
The mast must be constructed of sturdy, weatherproof, noncorrosive material such as galvanized or
•
stainless steel construction pipe.
Antenna mast length must be sucient to allow an antenna height at least 1.5 meters (5 feet) above
•
the roof peak. If the roof is metal, the antenna height should be a minimum of 3 meters (10 feet)
above the roof.
Antenna Polarization
It does not matter what type of polarization you choose for your ExtremeWireless antennas as long as
the antenna at one end of the communications link is mounted in the same plane as the antenna at the
other end.
Vertical polarization is standard for the ExtremeWireless 14 dBi directional antenna.
To minimize the influence of cross-talk between antennas, you might need to mount the antenna for
horizontal polarization when:
Multiple antennas are mounted on the same antenna mast.
•
The wireless link transmissions cross another radio beam from a neighboring installation.
•
Approved Antennas for the ExtremeWireless APs
Extreme Networks APs using certified external antennas must comply with local laws and regulations.
An approval may be required by the local regulatory authorities. Antenna Models on page 12 lists and
describes the optional antennas that have been tested and approved for use with the APs compatible
with external antennas.
To mount the antennas on the AP3825e, refer to the following sections.
ExtremeWireless™ External Antenna with Wave 225
Antenna Installation
Table 8: AP3825e Approved Antennas
External AntennaMounting Instructions
WS-ANT-2DIP-3Mounting Antenna Model WS-ANT-2DIP-3
WS-ANT-5DIP-3Mounting Antenna Model WS-ANT-5DIP-3
WS-AI-DX10055Mounting Antenna Model WS-AO-DX10055N and
Related Antenna Models
WS-AI-DT05120Mounting Antenna Model WS-AI-DT05120
WS-AI-DX02360Mounting Antenna Model WS-AI-DX02360
WS-AI-DX07025 and WS-AI-DX07025NMounting Antenna Models WS-AO-DX13025 and WS-
AI-DX07025
To mount the antennas on the AP3865e, refer to the following sections.
Table 9: AP3865e Approved Antennas
External AntennaMounting Instructions
WS-AO-2DIPN3Mounting Antenna Model WS-AO-2DIPN3
WS-AO-5DIPN3Mounting Antenna Model WS-AO-5DIPN3
WS-AO-DX10055NMounting Antenna Model WS-AO-DX10055N and WS-
AO-DX10055
WS-AO-DT05120NMounting Antenna Model WS-AI-DT05120
WS-AO-DX02360N3Mounting Antenna Model WS-AI-DX02360
WS-AO-5D23009NMounting Antenna Model WS-AO-5D23009
WS-AO-DX13025NMounting Antenna Models WS-AO-DX13025 and WS-
AI-DX07025
WS-AO-DX07180NMounting Antenna Model WS-AO-DX07180N
For specific information on antennas that support the AP3805e and information on each Wave 2
antenna, refer to Antenna Specifications on page 41.
Mounting Antenna Model WS-AO-DX10055N and Related Antenna Models
The WS-AO-DX10055N is dual-band six port (three for each band) MIMO antennas providing spatial
diversity coverage of 2.4–2.5 GHz WiFi and 5.1–5.9 GHz WiFi WiMAX broadband wireless frequencies in
a low profile housing. This antenna provides optimal coverage for areas or events with a large number
of mobile data users. It designed for outdoor installations utilizing 802.11n multi-band wireless LAN
access point radios. The following figure shows the WS-AO-DX10055N antenna. Table 10 lists the cable
and connector type for each antenna.
Note
The WS-AO-DX10055N and the WS-AI-DX10055 are the same antenna. The WS-AODX10055N is intended for outdoor use. The WS-AI-DX10055 is intended for indoor use.
RG31639 inchesStandard Polarity, Type N Plug
u
t
d
o
o
r
RG31639 inchesReverse Polarity SMA Plug
n
d
o
o
r
Connector
The antenna includes a fully adjustable mount for pipe or wall mounting. Hardware for wall mounting is
not included in the kit. The table below lists the parts required for installation. The mount allows the
antenna to be vertically or horizontally polarized.
Tools required for attaching mount to antenna and securing to pole:
7/16 inch wrench
•
1/2 inch wrench
•
To install the antenna:
1Remove the antenna and mount kit from the packaging, and remove the mount kit contents from its
packaging. Confirm that the mount kit includes the contents listed in Table 11.
2 Install 1/4-20 x 2" screw (item 9) into the bracket (item 8) with one hole on each flange. Secure with
lock nut (item 10). Tighten only until the nut contacts the bracket. Do not over tighten.
Figure 9: Install Screw in Bracket
ExtremeWireless™ External Antenna with Wave 228
Antenna Installation
3 Assemble the brackets item 3) with the arc toward the outside. Slide aluminum spacer (item 5) in
between and feed pivot bolt (item 4) through. Install washers and nut (items 1, 6, 7), but do not
tighten at this point.
Figure 10: Assemble the Brackets
4 Assemble locking carriage bolt (item 2) and attach washers and nut (items 1, 6, 7), but do not
tighten at this point.
Figure 11: Install Carriage Bolt
ExtremeWireless™ External Antenna with Wave 229
Antenna Installation
5 If mounting hole can be slid over pipe, install V-bolt (item 11) into the pole side bracket (one hole in
flange) and loosely secure the washers and nuts (items 1, 6, 7). Otherwise, locate bracket assembly
on pipe, and feed the V-bolt through and secure with washers and nut.
Figure 12: Install V-bolt
6 Attach mount assembly to the antenna using the 1/4-20 hardware in the hardware kit (Items 12, 13,
14). Mount can go on in either direction.
Figure 13: Attach Assembly
ExtremeWireless™ External Antenna with Wave 230
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