AvaLAN
W I R E L E S S
AW2400iTR
USER’S MANUAL
2.4 GHz Indoor Wireless Ethernet Radio
Industrial-grade, long-range wireless Ethernet systems
AW2400iTR
Thank you for your purchase of the AW2400iTR Indoor Wireless Ethernet Radio.
The AW2400iTR includes:
• (1) Radio in indoor yellow plastic case
• (1) AW2-2400 Flexible Antenna
• (1) 120 VAC to 6 VDC power adapter
(Ethernet cable not included.)
If you have any questions when conguring your AvaLAN system, the best place to
get answers is to visit www.avalanwireless.com.
You will also nd the latest updates there.
If more assistance is needed,
send email to support@avalanwireless.com.
To speak to a live technician, please call technical support at the number below
during normal business hours.
User’s Manual
© 2010 by AvaLAN Wireless Systems Inc. All rights reserved.
Revision 08.17.2010
125A Castle Drive
Madison, AL 35758
Sales: (866) 533-6216
Technical Support: (650) 384-0000
Customer Service: (650) 641-3011
Fax: (650) 249-3591
Technical support (650) 384-0000 www.avalanwireless.com
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User’s Manual
AW2400iTR
Operational summary
The AW2400iTR Radio allows the user to create a long-range, wireless Ethernet network with up to 16 subscriber units per access point. The conguration may include
any combination of AW2400xTR, AW2400iTR and AW2400xTP radios.
Conguring a wireless link with the AW2400iTR requires the establishment of six
elements:
• Each radio must know whether it is to be an access point (AP) or subscriber
unit (SU).
• Each radio must have an IP address that is unique among all others on the
same network.
• The AP must know how many SUs are expecting communication with it.
• The AP and any given SU must agree on which radio frequency channel they
are using. This can be manually set or allowed to change automatically.
• The SU must be assigned a unique subscriber ID to specify which time division
slot it will use when communicating with the AP.
• The AP and any given SU must share a common 128-bit encryption key.
AW2400xTR radios are congured by connecting to a computer that will run a web
browser and setting parameters via their built-in browser interfaces. This browser
interface also provides link quality statistics and a graphical spectrum scan to assist
in setup and resolving connection problems.
The access point (AP) automatically scans for the best of the 37 available radio frequency channels, encrypts Ethernet data received from the network, and transmits
it wirelessly to the correct subscriber unit (SU). The AP is constantly monitoring the
radio link and can automatically change the channel if performance is degraded due
to interference. If two AP units are very close to one another, they may interfere
if operating on adjacent frequency channels. Place them at least 10 feet apart or
manually select non-adjacent channels for their operation. Also, the SU should be
placed at least 10 feet from the AP to avoid overloading the radio’s receiver.
Any 10/100 BaseT Ethernet client device (ECD) can be connected to an AW2400iTR
subscriber unit. Each SU encrypts Ethernet trafc received from the attached ECD
and transmits the data wirelessly to its AP. Each SU can be plugged directly into an
ECD without adding drivers or loading software. Essentially, once the AP/SU pair is
congured and running it behaves like a continuous Ethernet cable.
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PAGE 3
AW2400iTR
User’s Manual
Physical Setup
1. Before placing the radio in its nal location, you may want to perform the digital
setup procedure described in the next section.
2. Connect the AW2400iTR’s TNC RF connector to a suitable antenna. A simple omnidirectional dipole unit (AW2-2400) is included and may be used for testing and for
relatively undemanding applications. If greater range and/or directionality is required, choose one of our other antenna models. You may see them on our website
at www.avalanwireless.com.
3. Power is provided to the unit by means of the 120 VAC to 6 VDC wall hanger
power supply provided. If it is more convenient, power may be supplied through the
Ethernet cable, allowing the power supply to be located at a convenient location
away from the radio. A Power Over Ethernet Injector, AW-POE, provides the means
for adding DC power to unused wires in the cable. If you wish to use the AW-POE
and the Ethernet cable is more than 25 feet long between the POE and the radio,
you should use the accessory AW-12VPS wall hanging power supply. It provides 12
volts rather than 6 volts which will compensate for voltage drop in the cable and
connectors.
4. A feature of the AW2400iTR is a set of LEDs visible through a slot in the top. They
can provide a useful indication of the radio’s status and supplement the greater
amount of information available through the browser interface.
Digital Setup
1. Digital conguration is done by means of the AW2400iTR’s built in browser interface. It should be powered on and connected at least temporarily to a network
containing a computer that can run a conventional web browser.
2. Download the AvaLAN IP Discovery Utility from our website and extract
ipnder.exe from the zip archive, placing it on your desktop or in a convenient
folder.
http://www.avalanwireless.com/ipnder/ipnder.zip
Note that this utility only runs on MS Windows, not linux or MAC. If you must use a
non-Windows computer for conguration, make sure your subnet mask allows your
computer to see 192.168.17.17. Connect to that default IP address with your web
browser and continue the setup procedure with step 6.
3. Run the IP Discovery Utility, ipnder.exe and you should see a window similar to
the view on the next page.
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User’s Manual
The AW2400iTR should appear in the list at the default IP address of 192.168.17.17.
If it does not, click “Search” to regenerate the list. If it still does not appear, you
have a connection issue and need to re-examine the cabling or you may have a
subnet or rewall issue on your computer.
4. Double click the list item that refers to the AW2400iTR being congured. You
should see a second window that is similar to this:
AW2400iTR
The information on the left is the current status of the radio, while the boxes
on the right allow you to change it. It is important that the IP address of the
AW2400iTR is in the same subnet as your computer. For example, if the subnet mask
is 255.255.255.0 ( a class C network), the rst three number groups of the IP address
must match. Choose your desired parameters and click “Apply.”
5. Make note of the chosen IP address and password, then click “Go to Device Web
Page.” This will cause your default web browser to launch with the device IP address in the browser address bar. Or you may launch the browser on your own and
enter the web page address manually: http://[the IP address you just set].
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PAGE 5
AW2400iTR
6. The browser page that loads rst shows the current device information and QoS
statistics and provides a login at the upper right. Log in using the password you just
specied (or “password” if you kept the default). If the login succeeds, you will see
an admin page similar to this:
User’s Manual
7. The admin page has sections similar to the login page showing radio statistics
and device information plus it adds several new sections. The Device Settings section allows setting the network information and choosing an RF frequency channel.
The default is to allow the radio to choose its own frequency based on minimizing
interference. If you set a xed channel, make sure the AP and all SUs use the same
one. References to DIPs on this and the next web page refer to switches inside the
radio that are used in the legacy method of conguration and may be ignored when
using the browser method.
If you scroll down in the Admin browser page, you will come to three more sections:
• A graphical spectrum analyzer display that may help you to select radio channels that avoid interference
• A section to be used if an update to the AW2400iTR’s rmware is required
• An Advanced Links section with a dire warning about advanced users only.
Despite the warning, you will need to click the “Advanced Admin” button in order
to set the device type, ID and encryption key. You should then see a page similar to
that on the next page.
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PAGE 6
User’s Manual
8. On the Advanced Admin page, set the parameters as follows:
• Choose Device Type: Access Point or Subscriber Unit.
• For Subscriber Units, assign unique ID numbers in numeric order from 1 to 63.
• For an Access Point, enter the number of Subscriber Units that will be communicating with it.
• Click the box labeled “Enable User Specied Keys.”
• Choose an 8-digit hex (0-9 and A-F) Network Name that will be common
among the AP and its SUs and enter it. The hyphen is required.
• Choose a 32-digit hex encryption key and enter it. Again, the hyphens are
required. This key must match between the AP and the SU so make a note of
it as well.
AW2400iTR
After entering the parameters, click the “Apply” button to save them to the radio.
9. When all of the radios are keyed and operating, connect them to your network
and Ethernet devices as desired and cycle the radio’s power to begin normal operation. Now, browser mamagement of the SUs can be performed over the wireless
network. Note: avoid plugging actively linked radios into the same switch because
this will corrupt its routing table and may cause network problems just as if you had
plugged a CAT5 cable directly between two ports of a switch.
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AW2400iTR
User’s Manual
2.4 GHz Channels
Channel Center Frequency Channel Center Frequency
0 Auto Mode 19 2.441667 GHz
1 2.404167 GHz 20 2.443750 GHz
2 2.406250 GHz 21 2.445833 GHz
3 2.408333 GHz 22 2.447917 GHz
4 2.410417 GHz 23 2.450000 GHz
5 2.412500 GHz 24 2.452083 GHz
6 2.414583 GHz 25 2.454167 GHz
7 2.416667 GHz 26 2.456250 GHz
8 2.418750 GHz 27 2.458333 GHz
9 2.420833 GHz 28 2.460417 GHz
10 2.422917 GHz 29 2.462500 GHz
11 2.425000 GHz 30 2.464583 GHz
12 2.427083 GHz 31 2.466667 GHz
13 2.429167 GHz 32 2.468750 GHz
14 2.431250 GHz 33 2.470833 GHz
15 2.433333 GHz 34 2.472917 GHz
16 2.435417 GHz 35 2.475000 GHz
17 2.437500 GHz 36 2.477083 GHz
18 2.439583 GHz 37 2.479167 GHz
Limited Warranty
This product is warranted to the original purchaser for normal use for a period of
360 days from the date of purchase. If a defect covered under this warranty occurs,
AvaLAN will repair or replace the defective part, at its option, at no cost. This warranty does not cover defects resulting from misuse or modication of the product.
Technical support (650) 384-0000 www.avalanwireless.com
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