Allied Telesis AT-WL2411 User manual

High Performance Wireless Solution
Allied Telesyn's Wireless products provide the customer with the
highest performance available in the wireless marketplace today.The
transmit power and receive sensitivity of the AT-WR2411 allow it to
be used when other devices fail.The advanced software features of
the AT-WL2411 provide high-end functionality only available with the
more expensive products in the market. the world.
802.11b Wireless Access Point
AT-WL2411 wireless access point forms the basis of a wireless
solution that combines advanced security with high-end management
capabilities.The AT-WL2411 uses industry-standard IEEE 802.11b
high-rate and OpenAir wireless technologies to offer cable-free
networking at speeds of up to 11 Mbps.When combined with the
AT-WR2411 PC card, it provides a range and sensitivity that clearly
outdistances the competition.Weighing less than 8 ounces and
packaged in an attractive two-colour enclosure, the AT-WL2411 is
designed for easy integration into all office environments.
Increased Security
The AT-WL2411 now has increased security features with the
implementation of IEEE 802.1x.The 802.1x standard increases
security between the access points and the wireless end devices by
using an 802.1x authentication server to authenticate each device's
initial connection and by using rotating WEP keys
Ease of use
Designed for ease of installation and operation, the AT-WL2411
wireless access point automatically tracks and connects roaming
wireless clients without the cost and complexity of a dedicated
mobile IP server or additional hubs and cabling. In fact, with its fully
integrated IP tunnelling capabilities that allow large wireless LANs to
span across multiple subnets, users of wireless-enabled laptops and
other mobile computing devices are able to maintain a continuous,
high quality network connection while seamlessly roaming anywhere
throughout the enterprise.
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AT-WL2411 Wireless Accessories Guide

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Table of Contents
Introduction 3
Regulatory Concerns 3
Basic Antenna Concepts 4
Radiation Patterns of Various Antennas 5
2.4GHz/900MHz Direct Connection Antenna Circuits 6
2.4GHz/900MHz Antenna Circuit with Splitter 7
2.4GHz/900MHz Antenna Circuit with Splitter and Lightning Suppressor 8
Antenna Installation/Preparation Guidelines 9
Configuration Example 10
Cable Assemblies
AT-INT069887-00 - Radiall (Lucent) / N Receptacle 11
AT-INT064616-00 - N Plug / N Plug, 30 inch 11
AT-INT063245-00 - N Plug / N Plug, 60 inch 11
AT-INT063246-00 - N Plug / N Plug, 20 feet 11
AT-INT071179-00 - N Plug / N Plug, 30 feet 11
AT-INT070403-00 - Radiall (Lucent) / N Plug 12
Close-up of N-Receptacle Connector 12
Close-up of Radiall Connector 12
Accessories
AT-INT069888-00 - Kit, Bracket, Mounting,Antenna 13
AT-INT069893-00 - Kit, Power Supply Holder 13
AT-INT061868-00 - Lightning Suppressor 13
AT-INT586610-00 - Spare/replacement Lightning Suppressor Capsule 13
Antennas
AT-INT063363-00 - Antenna, 2.4 GHz, 5dBi, Omni 14
AT-INT063365-00 - Antenna, 2.4 GHz, 15dBi,Yagi 15
AT-INT063366-00 - Antenna, 2.4 GHz, 14dBi, Flat Panel 16
AT-INT065349-00 - Antenna, 2.4 GHz, 9dBi, Omni 17
AT-INT067262-00 - Antenna, 2.4 GHz, 5dBi, Dual Flat Panel 18
AT-INT067263-00 - Antenna, 2.4 GHz, 9dBi, Flat Panel 19
- Rear View of 067263-00 19
AT-INT070141-00 - Antenna, 2.4 GHz, 3dBi, Mini Omni, (Radiall Conn) 20
AT-INT071121-00 - Antenna, 2.4 GHz, 3dBi, Diversity 21
AT-INT071122-00 - Antenna, 2.4 GHz, 9dBi, Corner Reflect 22
AT-INT071489-00 - Diversity Antenna, 0dBi, 2.4 GHz (Radiall Conn) 22
Power Over Ethernet
AT-INT071620-00 – 1-port Power Over Ethernet Bridge 23
AT-INT071578-00 – 6-port Power Over Ethernet Bridge 23
AT-INT071579-00 – 12-port Power Over Ethernet Bridge 23
AT-INT071581-00 – Power Over Ethernet Splitter 23
6 port and 12 port bridge characteristics 24

Introduction
The purpose of this document is to provide Allied Telesyn
customers with a tool which will enable them to better
understand how the various Allied Telesyn antennas, cable
assemblies, and accessories blend together. The accessories
listed in this document are designed for use with the AT-
WL2411 Wireless Access Point.Other Allied Telesyn Access
Points, ie. the AT-WL2400 are not designed for
interoperability with these accessories.
Regulatory Concerns
Note: The information below will help you to
understand some of the regulatory issues surrounding
the use of antenna, antenna circuits, and radios.
However, it is critical to remember that all antennas must
be approved and certified before they can be used with
radio (RF) equipment purchased from Allied Telesyn.
FCC
FCC requirements limit the total output power of a
wireless LAN system operating in the 900 MHz and 2.4
GHz frequency ranges to 4 Watts. This limit is expressed
in EIRP, which stand for "Effective Isotropically Radiated
Power." This is the total power created by the transmitter
and gain generated by the antenna, minus any loss due to
cabling and connections. Given this 4W (4000 mW)
maximum, the EIRP must not exceed 36dBi.
ETSI
ETSI requirements limit the total output power of a 2.4
GHz wireless LAN system to 0.1 Watt (100 mW). Given
this 100 mW maximum, the EIRP must not exceed
20dBm. 900 MHz systems are not allowed and UHF
system maximum EIRPs vary from country to country.
Most European countries such as France and Italy
operate under a lower power directive, which limits them
to a maximum output limit of 10 mW.
Non-ETSI & Non-FCC Countries
Electromagnetic-transmission regulations are mandated
by each country’s own governing body. Many countries
follow the directives issued by ETSI or the FCC but
others create their own regulations.
Before adding radios or antennas to a RF system, please
consult an Allied Telesyn Systems Engineer.
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Antennas and Power
Antennas do not increase nor decrease the power applied to
them. They can only transmit or receive the amount of
power that is applied to them. It is possible to have some
power loss before or after the signal leaves the antenna. An
example of this is "line loss: which is a decrease in power due
to imperfect connections and imperfect conductivity to
cabling materials. It is, however, possible to increase the
power output in a certain direction. But the total power
emitted will always be the same as the amount applied to the
antenna minus the amount lost due to line loss, ohmic loss,
reflection loss etc…
dBi – (decibels relative to an isotropic {spherical}
radiation pattern)
An isotropic antenna is a theoretical antenna that radiates
in the shape of a perfect sphere.
dBm –(decibels relative to one milliwatt)
dBm is a commonly used unit of measurement in the RF
industry that expresses radio frequency power relative to a
1 mW point of reference.
dBd –(decibels relative to a _ wave dipole
antenna)
dBd is gain with respect to a _ wave dipole antenna. Some
commercial antenna companies use dBd to rate their
antennas.
EIRP –(Effective isotropically radiated power)
The mathematical product of (1) the power supplied to the
antenna and (2) its gain.
Gain
Gain is given in dB (decibels). If an "I" is added as in 3dBi,
this rating is relative to an "isotropic" antenna. An isotropic
antenna is a theoretical antenna that radiates in the shape
of a perfect sphere. If a "d" is added as in 3dBd, this rating
is relative to a "dipole" antenna. A dipole antenna with a
rating of 2.14dB is equivalent to a 0dBd antenna.
Line-of-sight
This refers to the fact that some electromagnetic wave
frequencies require a clear line of sight between transmitter
and receiver. This is largely because higher frequency
electromagnetic waves, such as those in the 2.4 GHz range,
do not bend around or penetrate objects as well as some
lower frequency signals.
Multipath, Reflection, or Physical Interference
Because of the electromagnetic properties of waves used to
transmit data, large metal objects in the immediate
transmission path of the antenna will likely cause
distortion of the signal and should therefore be avoided.
Omni-directional
An omni-directional antenna radiates evenly horizontally
around the antenna in a plane parallel to the earth. These
antennas do not always radiate evenly vertically around the
antenna in a plane perpendicular to the earth. By giving up
vertical coverage, above and or below the antenna and
refocusing that signal around the antenna, it is possible to
achieve gain with an omni-directional antenna.
Omni-gain
Wavelength and operating frequency determine the size of
the antenna. By using a longer antenna, you do not achieve
greater overall coverage, but you can achieve greater
distance in a focused direction. For example, omni-
directional antennas with gain achieve some measure of
gain in the horizontal plane.
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Basic Antenna Concepts

Omnidirectional: Circular pattern in open spaces: range is
slightly affected by antenna gain but the radiation pattern will
remain relatively circular.
Flat panel: Modest directional coverage with a slight
backlobe: The main lobe of the radiation pattern can be almost
circularto fairly oblong in shape.Good for slightly directional
coverage such as down corridors or away from walls.
Dual Flat panel: Bi-directional coverage: Good for
transmission down two opposing directions of a corridor.
DirectionalYAGI (High Gain): Highly focussed signal:
Good for wireless bridging or very specialized coverage. Not
available for_watt (500 mW), 2.4 GHz uses.
Antenna patterns are 3 dimensional. The radiation patterns
(above) are views of the azimuth plain, which is a top down view.
There must always be a tradeoff between gain and coverage area. As can be seen in the radiation patterns presented, the higher
the gain (directional distance) as with the Yagi antenna, the narrower the coverage. And conversely, the lower the gain, the more
universal the coverage about the antenna’s axis.
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Radiation Patterns of Various Antennas

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2.4GHz/900MHz Direction Connection Antenna Circuits - A
2.4GHz/900MHz Antenna Circuit with Splitter - B
AT-WL2411 Access Point AT-WL2411 Access Point
2.4GHz or 900MHz Antenna with N Receptacle Connector
2.4GHz with N Receptacle Connector
AT-INT067266-00 Cable - 2’(61cm) AT-INT071178-00 Cable - 12’(366cm)
AT-INT070402-00 Cable - MMCX AT-INT070403-00 Cable - Radiall AT-INT069888-00 Kit, Bracket mounting AT-INT070140-00 Antenna, 3dBi Mini Omni, MMCX AT-INT070141-00 Antenna, 3dBi Mini Omni, Radiall (Lucent) AT-INT071488-00 Diversity Antenna, MMCX AT-INT-071489-00 Diversity Antenna, Radiall (Lucent)
A
B

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2.4GHz/900MHz Antenna Circuit with Splitter - A
2.4GHz Antenna Circuit with Splitter - B
AT-WL2411 Access Point AT-WL2411 Access Point
2.4GHz or 900MHz Antenna with N Receptacle Connector
AT-INT063198-00 Splitter, 2.4GHz AT-INT069304-00 Splitter, 900MHz
AT-INT063198-00 Splitter, 2.4GHz
2.4GHz Antenna with N Receptacle Connector
AT-INT064616-00 Cable - 2.5’(76cm)
AT-INT063245-00 Cable - 5’(152cm)
AT-INT063246-00 Cable - 20’(610cm)
AT-INT071179-00 Cable - 30’(914cm)
A
B
AT-INT067265-00 Adapter Cable - 1’ (30cm)
AT-INT069866-00 Cable - MMCX AT-INT069887-00 Cable - Radiall AT-INT069888-00 Kit, Bracket, Mtg
Splitter
Splitter
AT-INT064616-00 Cable - 2.5’(76cm) AT-INT063245-00 Cable - 5’(152cm)
AT-INT063246-00 Cable - 20’(610cm)
AT-INT071179-00 Cable - 30’(914cm)

8
2.4GHz/900MHz Antenna Circuit with Splitter & Lightning Suppressors - A
2.4GHz Antenna Circuit with Splitter & Lightning Suppressor - B
AT-WL2411 Access Point
AT-WL2411 Access Point
2.4GHz or 900MHz Antenna with N Receptacle Connector
2.4GHz Antenna with N Receptacle Connector
A
B
AT-INT067265-00 Adapter Cable - 1’ (30cm) AT-INT069886-00 Cable - MMCX AT-INT069887-00 Cable - Radiall AT-INT069888-00 Cable - Kit,
Bracket, Mtg.
AT-INT064616-00 Cable - 2.5’(76cm)
AT-INT063245-00 Cable - 5’(152cm)
AT-INT063246-00 Cable - 20’(610cm) AT-INT071179-00 Cable - 30’(914cm)
AT-INT064616-00 Cable - 2.5’(76cm)
AT-INT063245-00 Cable - 5’(152cm)
AT-INT063246-00 Cable - 20’(610cm) AT-INT071179-00 Cable - 30’(914cm)
Splitter
Splitter
AT-INT063198-00 Splitter, 2.4GHz or AT-INT069304-00 Splitter, 900MHz AT-INT063198-00 Splitter, 2.4GHz

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Antenna Installation/Preparation Guidelines
The AT-WL2411 Access Point features antenna diversity, which means that two antennas can be attached to a single radio.
The antenna ports on the radio card are marked | and ||.
Port | is the send/receive port; port || is the receive-only port. (Note that the antenna diversity system uses only one antenna
at a time.) If you attach only one antenna to the AT-WL2411 Access Point, you must attach it to Port |.
If you are using two antennas for one AT-WL2411 Access Point, placement of the antennas is critical because each
antenna has a particular function. Antennas placed too close together may cause interference with each other. Antennas
placed too far apart may not be able to establish two-way communications with other radios. To achieve optimum
placement for the two antennas, you must place the transmit/receive antenna so that it is within range of all the radios
that the receive-only radio can hear.
Note these important points about antenna placement for an AT-WL2411 Access Point:
●Use external antennas to achieve the recommended antenna separation for placement of either omni or directional
antennas.
●Position directional antennas so they point in the same direction.
●Follow the recommended antenna separation precisely when using the closest distances. Movement of as little as 3.05
centimeters (1.2 inches) may strongly affect performance.
●Position the antennas so that both antennas are within range of the radios they need to communicate with.
●Do not position the two antennas around a corner or so that a wall is between them.
The recommended antenna separation is listed in the following table. You should choose the greatest distance possible
within the constraints of your environment.
Location Recommended Antenna Separation
Highly reflective warehouse environment 0.33 m (13 in) or 0.64 m (25 in)
Moderate reflective warehouse environment 0.64 m (25 in), 1.22 m (4 ft), or 1.83 m (6 ft)
Open/Office environment 1.22 m (4 ft) to 3.05 m (10 ft)

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Configuration Example
Wireless Access Point
AT-WL2411
Antenna
AT-INT063363-00 AT-INT063365-00
AT-INT063366-00 AT-INT065349-00
AT-INT067262-00 AT-INT067236-00
AT-INT071121-00 or AT-INT071122-00
Extension cable
AT-INT064616-00 (2.5’coax cable)
AT-INT063245-00 (5’coax cable)
AT-INT063246-00 (20’coax cable)
AT-INT071179-00 (30’coax cable)
Radiall - N Plug Adapter
AT-INT069887-00
Power over Ethernet Splitter
AT-INT071581-00
Power over Ethernet
1, 6, or 12-port Power Over Ethernet Module
AT-INT071620-00 AT-INT071578-00 or
AT-INT071579-00
** requires AT-INT071581-00 PoE Splitter
CAT-5 cable to switch
Mounting bracket
AT-INT069888-00
Lightning Suppression
To add lightning suppression, add
AT-INT061868-00 and a short extension
cable, i.e. AT-INT064616-00. The lightning
suppressor is used to connect the short
extension cable and another extension cable.

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Cable Assembly, N Receptacle
●AT-INT064616-00 30 inch Cable loss .2dB
●AT-INT063245-00 60 inch Cable loss .3dB
●AT-INT063246-00 20 feet Cable loss 1.3dB
●AT-INT071179-00 30 feet Cable loss 1.3dB
Antennas connect to AT-WL2411 via AT-INT069887-00 and one of the above cables.
ATI-INT069887-00 Cable Assembly, Radiall, Splice N
Used to connect AT-WL2411 to extension cables AT-INT064616-00,AT-INT063245-00,
AT-INT063246-00, and AT-INT071179-00.
Order AT-INT069888-00 to securely fasten connection between AT-INT069887-00 & extension cable.
30", 60", & 20’Cable Assemblies are constructed with
LMR-400 cable. 30’Cable Assembly is constructed
with LMR-600 cable.
LMR-400 cable is .40 diameter (inch) 1.0 (cm)
LMR-600 cable is .60 diameter (inch) 1.5 (cm)
Allied Telesyn recommends using the shortest cable
applicable to your requirements. Longer cable = higher
dB loss.
The AT-INT069887-00 (pictured left) connects to the
N Receptacle Connector. The N Receptacle Connector
is on all of the antennas except AT-INT070141-00
(page 20) and AT-INT071489-00 (page 22).
All antennas with the N Receptacle Connector have
two options for connecting to the AT-WL2411:
1 Connect to the AT-WL2411 via extension cable and
AT-INT069887-00.
2 Connect directly to the AT-WL2411 with the
AT-INT070403-00, or
Option 1 is used 99% of the time.

12
Used to connect AT-WL2411 directly to Allied Telesyn N Receptacle connector on all antennas
(except AT-INT067262-00 & AT-INT071489-00)
Note –this part # is rarely used; see AT-INT069887-00 for connection between AT-WL2411, extension cable,
and antenna.
The N Receptacle Connector is on all of the antennas except AT-INT070141-00 and AT-INT071489-00.
Radiall (Lucent) Connector on Antenna AT-INT070141-00 and AT-INT071489-00.These antennas plug
directly into the AT-WL2411.
The AT-INT069887-00 (pictured page 11) connects to the N
Receptacle Connector. The N Receptacle Connector is on all of the
antennas except AT-INT070141-00 (page 20) and
AT-INT071489-00 (page 22).
All antennas with the N Receptacle Connector have two options
for connecting to the AT-WL2411:
1 Connect to the AT-WL2411 via extension cable and
AT-INT069887-00.
2 Connect directly to the AT-WL2411 with the AT-INT070403-
00, or
Option 1 is used 99% of the time.
AT-INT070403-00 Cable Assembly, Radiall, N Plug
N Receptacle Connector
Radiall (Lucent) Connector
All antennas with the N Receptacle Connector have two options
for connecting to the AT-WL2411:
1 Connect to the AT-WL2411 via extension cable and
AT-INT069887-00.
2 Connect directly to the AT-WL2411 with the
AT-INT070403-00.
Option 1 is used 99% of the time.

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AT-INT069888-00 Kit, Bracket, Mounting,Antenna
AT-INT069893-00 Kit, Power Supply Holder, 5V
AT-INT061868 Lightning Suppressor
Used to wall mount and securely fasten connection between AT-INT069887-00 & extension cable.
Used to mount AT-WL2411 Power Supply to wall.
Use between Extension Cables.
Mounting screws provided.
Mounting screws provided.
To add lightning suppression to a configuration, use
AT-INT061868-00 (pictured left) and a short extension cable, ie.
AT-INT064616-00. The lightning suppressor is used to connect the
short extension cable and another extension cable.
The lightning suppressor cannot be used with AT-INT067262-00
or AT-INT071489-00, as these are indoor antennas and use Radiall
connectors.
The AT-INT061868 Lightning Suppressor includes (1) inline
lightning capsule. Replacement/spare lightning capsules are
available. Order part # AT-INT586610-00.

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AT-INT063363-00 Antenna, 2.4 GHz, 5dBi, Omni
FCC, ETSI
Size: 1.0 diameter x 11.5 inches 2.5 x 29.2 cm
Hardware for mast installation provided.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
5 dBi 2500ft 360 degrees 30 degrees
833 m
* Reach may vary depending on building construction or weather conditions in
external applications.

FCC
Size: 26.0 x 4.0 x 1.0 inch
66.0 x 10.2 x 2.5 cm
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AT-INT063365-00 Antenna, 2.4 GHz, 15dBi,Yagi
Hardware for mast installation provided.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
15 dBi 5600ft 34 degrees 30 degrees
1680 m
* Reach may vary depending on building construction or weather conditions in
external applications.

FCC
Size: 9.5 x 9.5 x 2.0 inch
24.1 x 24.1 x 5.1 cm
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AT-INT063366-0 Antenna, 2.4 GHz, 14dBi, Flat Panel
Hardware for mast installation provided.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
14 dBi 4800ft 30 degrees 30 degrees
1600 m
* Reach may vary depending on building construction or weather conditions
in external applications.

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AT-INT065349-00 Antenna, 2.4 GHz, 9dBi, Omni
FCC, ETSI
Size: 1.7 diameter x 22.0 inches
4.3 x 55.9 cm
Hardware for mast installation provided (on pole).
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
9 dBi 3800ft 360 degrees 14 degrees
1235 m
* Reach may vary depending on building construction or weather conditions in
external applications.

AT-INT067262-00 Antenna, 2.4 GHz, 5dBi, Dual Flat Panel
FCC
Size: 2.7 x 2.5 x .8 inches
6.9 x 6.4 x 2.0 cm
Hardware for mast installation provided.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
5 dBi 2500ft 60 degrees 30 degrees
833 m
* Reach may vary depending on building construction or weather conditions in external
applications.
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AT-INT067263-00 Antenna, 2.4 GHz, 9dBi, Flat Panel
FCC
Size: 5.0 x 5.0 x .75 inches
12.7 x 12.7 x 1.9 cm
Provided with Velcro patches, plastic drywall anchors, self threading screws and Tilt Pan bracket. Tilt Pan
bracket shown inset.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
9 dBi 3800ft 60 degrees 60 degrees
1235 m
* Reach may vary depending on building construction or weather conditions in external applications.
Rear View of AT-INT067263-00
shown with Tilt Pan Mount

20
Rear View of AT-INT067263-00 shown
with Tilt Pan Mount
AT-INT070141-00 Antenna, 2.4 GHz, 3dBi Mini Omni
with Radiall (Lucent) Connector
FCC, ETSI
Size: 2.0 x 2.5 x 1.0 inches
5.1 x 6.4 x 2.5 cm
Hardware for drop-ceiling installation is provided. This antenna connects directly to
the AT-WL2411, and includes a Radiall connector.
Approx. Beam Width
Gain Reach* Azimuth Plane Elevation/Vertical Plane
3 dBi 1900ft 360 degrees 180 degrees
633 m
* Reach may vary depending on building construction or weather conditions in
external applications.