eXS N01A1206 Users Manual

eXS 5001 Wireless NODE

Version A

Technician Manual

Revision A.2.1

November, 2005

®

eXS 5001A Tech Manual

2

Contents

CONTENTS ................................................................................ 2

WEB CONFIGURATION MANAGER APPLICATION ...................... 5

Top ............................................................................................................... 7

Status........................................................................................................... 7

Log ............................................................................................................... 8

Setup............................................................................................................ 9

Web Configuration Manager Setup Feature...................................................... 10

IP Addresses and General Network Setup ....................................................... 10

Wireless Access........................................................................................... 13

Wi_Fi Protected Access (WPA-PSK) ................................................................ 15

MAC Address Authentication ......................................................................... 15

Channel Setup ............................................................................................ 17

Committing Your Changes ............................................................................ 18

Advanced.....................................................................................................18

Wireless Setting for the Access Point.............................................................. 19

Wireless Setting for the Mesh Network ........................................................... 19

Network Settings for the NODE ..................................................................... 20

Network Settings for the Ethernet port ........................................................... 21

WDS.......................................................................................................... 23

Traffic control: ............................................................................................ 24

Backup ........................................................................................................25

Restore........................................................................................................26

Restoring from Factory Defaults .................................................................... 27

Restoring from Last Committed Changes ........................................................ 28

Restoring from a Local File............................................................................ 28

Software Update..........................................................................................31

Using the Update Feature ............................................................................. 31

Uploading via Web Browser .......................................................................... 32

Downloading via the http or ftp Protocol ......................................................... 33

Troubleshooting the Software Update Process.................................................. 34

Reboot.........................................................................................................34

MULTI-LAYERED MESH NETWORK .......................................... 35

eXS 5001A Tech Manual

3

COPYRIGHT INFORMATION .................................................... 36

LIMITED WARRANTY .............................................................. 36

APPENDIX: RADIO CHARACTERISTICS ................................... 40

Transmit Output Power................................................................................40

Maximum Output Power Settings, United States ..........................................41

Receiver Sensitivity .....................................................................................42

APPENDIX: USER INFORMATION............................................ 43

Professional Installation..............................................................................43

Operation ....................................................................................................43

Interference ................................................................................................43

Radiation Exposure......................................................................................44

APPENDIX: FCC RULES ........................................................... 45

Part 15.203: Antenna Requirement................................................................ 45

Part 15.407: Technical Requirements (UNII) ................................................... 45

Part 15.407: RF Transmission Auto-control ..................................................... 46

eXS 5001A Tech Manual

4

Introduction

The eXS® 5001 Wireless NODE is a dual-radio device that enable the network
operator to deploy a wireless network, eXS ZONE™, without laying any data
cables. The eXS NODE™ is designed to:

1. Mesh with other NODEs using the IEEE 802.11a radio

2. Service clients over the Ethernet port and the wireless access port
(IEEE 802.11g radio)

3. The traffic is routed to the eXS NODE™ that is connected to the
backhaul, otherwise known as the gateway.

The NODE is a layer-3 router that can be configured as a Repeater or as a
Gateway. In the Repeater configuration the DHCP server internal to the
NODE will service BOTH the LAN port and the wireless 802.11g access.

The NODE supports the installation of client devices like a SIP phones over
the LAN interface.

The Gateway mode will configure the LAN interface to act as a WAN port to
enable the unit to interface to the existing campus/corporate LAN or to the
available backhaul. The port in this configuration can be configured to act as
a DHCP CLIENT or with STATIC IP information.

The setup of the 802.11b/g access is performed through the “setup” tab
while the mesh network configuration is done through the “Advanced” tab. It
is important to remember to configure the mesh network after configuring
the access.

Notation: Prompts and dialog scripts are shown in normal type. Technician
typed inputs and names of tabs are shown in italics.

This manual follows industry practice of referring to this professional person
as the “User”. In this manual “User” does not mean the consumer, network
subscriber or end user.

Professional installation: This system must be professionally configured,
installed and maintained. The person configuring the NODEs must be
knowledgeable in the radio and safety regulations for the country and
location where this system will be installed, and is responsible for making the
installation comply with those safety and radio regulations.

The NODE can be used with ANY brand and type of power over Ethernet
(PoE) that is an approved power source for the installation location.

The professional planning the installation shall be responsible for ensuring
that the proper antenna is employed so that the radio and safety
requirements for that location are met.

In the USA, the PoE and antenna have to be the units tested for Certification,
which are on the eXS Price List.

eXS 5001A Tech Manual

5

Web Configuration Manager Application

The eXS 5001 Wireless NODE is configured using a web browser such as
Microsoft Internet Explorer or Netscape, from any wired or wireless station
on the local area network.

Using the https protocol, enter
https://<single_board_computer_IP_address> as the location.

The default address is: https://192.168.100.1

At which point you will be see the security alert below

Figure 1

Click the Yes button to access the NODE. You will be prompted then to type
your username and password.

eXS 5001A Tech Manual

6

Figure 2

The defaults are:

Username: admin

Password: admin

When you enter the password, asterisks are displayed

When you have been authenticated to access the web configuration manager
application, the Top page is displayed as shown in Figure 3.

Warning: there are web sites on the Internet that contain factory passwords
for thousands of products. Be sure to set a unique Username and Password
for each major network. It is good practice to change these whenever there
is a change in personnel.

eXS 5001A Tech Manual

7

Figure 3

Top

The Top page is the first page displayed by the web configuration manager
application as shown in above.

The web configuration application's main menu is a collection of tabs in the
upper left side of the page. The Top page displays the values of various
pieces of information in the center of the page, such as the host name and
the current mode of operation. Additionally, the Top page provides a way to
change the admin user password.

The values displayed on the Top page are from the NODE configuration data
stored the last time the configuration was saved. When the NODE is first
booted, the data on the Top page reflects the values of the configuration data
under which the unit is currently operating. For example, in the previous
figure showing a sample Top page, the current mode of operation is a
Gateway.

Status

The Status main menu item displays a brief overview of the overall system as
shown in the Figure 4. The values displayed on the Status page are from the
saved configuration data. When the single board computer is first booted, the
data on the Status page reflects the values of the configuration data under

eXS 5001A Tech Manual

8

which the NODE is currently operating.

Figure 4

Log

The Log main menu item displays the System Log file. You can click on the
System Details button which results in displaying the output of various
system commands to provide a more detailed summary of the overall
system.

The Current System Time in the NODE will reset itself at every power up
cycle to 1 January 2000 at 00:00:00 hours.

eXS 5001A Tech Manual

9

Figure 5

Setup

The Setup main menu item is for setting the mode of operation for the
NODE. Two operating modes are available through the pull down menu
gateway and Repeater as shown in the following figure.

eXS 5001A Tech Manual

10

Figure 6

As mentioned before, the majority of NODEs are configured as Repeaters.

Web Configuration Manager Setup Feature

To select a mode of operation, open the pull-down menu and choose a mode
by highlighting the mode and clicking on it. The mode you selected will be
displayed in the field.

The NODE Identifier should be a unique number on the mesh network to help
identify the unit.

The NODE is shipped configured as a Repeater. This configuration is the most
common for a mesh NODE. The following subsections will show what web
pages are displayed to configure the NODE for a repeater mode of operation.

IP Addresses and General Network Setup

In the repeater mode the wireless Access and the LAN port are serviced by a
DHCP server. The next few screens cover the configuration of the network
parameters for these two interfaces.

As shown in the figure below, the first screen is to configure the IP address
and netmask of the NODE, that is the address used to access the NODE when
connect through the Wireless Access port or the wired LAN Access port.

eXS 5001A Tech Manual

11

Figure 7

The following screen, will ask you to enter the DNS server IP addresses.

eXS 5001A Tech Manual

12

Figure 8

Once those parameters are configured the next screen allows the user to
configure the DHCP server details such as the IP range and lease time
duration.

eXS 5001A Tech Manual

13

Figure 9

Wireless Access

The following steps would be to configure the wireless access features on the
NODE the available options would be to configure the ESSID and the wireless
security.

Enter the desired SSID. The SSID is case sensitive.

The SSID on the Access side is visible to client software that scans for
available wireless networks, unless that broadcast ID feature is disabled (see
below).

eXS 5001A Tech Manual

14

Figure 10

The first security feature is choosing an encryption type. The NODE supports
the security defined by the IEEE 802.11 standards for use between clients
and an Access Point.

If you want to enable WEP, select one of the WEP buttons which indicate the
size of the WEP key, such as WEP128 for 128_bit WEP keys. If you do not
want to enable WEP, select the None button.

The next security feature is whether you want to hide the SSID in beacon
frames. If this feature is enabled, the SSID field of beacon frames will be
empty. This feature helps to prevent associations from stations that do not
know the NODE’s Access SSID, default (EXS_AP_DEFAULT). We recommend
hiding the SSID beacon.

The last security feature is whether you want to discard broadcast SSID
probe requests. If this feature is enabled, the NODE will not send responses
to "broadcast SSID" probe request frames. This feature also helps to prevent
associations from stations that do not know the AP's SSID. We recommend
discarding probe requests.

When you have selected which wireless security features you want to
enable/disable, click the Next button to proceed to the next setup page.

eXS 5001A Tech Manual

15

Figure 11

Wi_Fi Protected Access (WPA-PSK)

If you chose to enable Wi-Fi Protected Access (WPA) instead of WEP, a setup
page for entering the WPA Pre-Shared Key (PSK) is displayed as shown in the
following example. Enter the WPA Pre-Shared Key. It should be at least 20
characters long. When you have entered the key, click the Next button to
continue.

MAC Address Authentication

This part of the setup is for MAC address authentication. You can further
restrict which stations are allowed to join the wireless LAN via MAC address
authentication.

When an access point receives an authentication request, it will check its
Access Control List (ACL) for the client MAC address. Depending on the
authentication mode, the client request will be accepted or denied.

The following figure is the page for configuring the MAC address
authentication.

eXS 5001A Tech Manual

16

Figure 12

To configure MAC address authentication, select from one of the following
MAC address authentication modes:

• allow all _ authentication requests are accepted by any MAC address. The
access control list is ignored.

• allow only those MACs in the access list _ by choosing this mode, the
access point will process authentication requests from only those MAC
addresses in the access control list. Authentication requests from any MAC
address not in the access control list are ignored.

• deny only those MACs in the access list _ by choosing this mode, the
access point will deny authentication requests from MAC addresses in the
access control list. Authentication requests from any MAC address NOT in the
access control list are processed.

• deny all _ all authentication requests are denied. The access control list is
ignored.

Next, build an access control if you selected a mode other than allow all or
deny all. To build the access control list, enter a MAC address in the MAC
address field and click on the Add MAC to Access Control List button (refer to
the previous figure).

eXS 5001A Tech Manual

17

The format of the MAC address is a six hexadecimal byte address separated
by colons (e.g. 01:02:03:04:05:06). Continue doing this for each MAC
address you wish to add to the access control list. When you have finished
with MAC address authentication, click the Next button to continue with the
setup

Channel Setup

Following the setup for Repeater capability is the channel setup. The
following figure shows the setup page for selecting the channel in which the
wireless LAN device should operate. The channel selection is a drop down
menu, and only one channel may be selected as shown in the next figure.
Click the Next button to proceed to the next setup page.

In many countries the preferred channels are 1, 6 & 11.

So many consumer devices come from the factory with channel 6 as the
default that it is better to use channels 1 and 11 where possible.

Figure 13

eXS 5001A Tech Manual

18

Committing Your Changes

After the setup is completed, the page to permanently commit your changes
is displayed as shown below. To permanently commit your changes, click the
Commit Changes button.

A reboot will occur so the NODE will boot and initialize using your new
values. You will need to wait a minute or so until after the NODE has
completely rebooted. Once the reboot sequence has completed, you may
access the web configuration again by clicking the Go to Top button as shown
in the next figure.

Figure 14

Advanced

The Advanced main menu item provides access to all of the NODE
configuration variables. This tab does not contain the configuration wizard of
the setup tab, so changes to one field will not result in auto-configuration of
the others, i.e. when changing the mode of operation from Repeater to

eXS 5001A Tech Manual

19

Gateway, the LAN port will not be configured automatically for you.
Understanding such relationships is necessary when using the Advanced
features in order for the NODE to function properly the next time it's
rebooted.

Figure 15

Wireless Setting for the Access Point

In this tab the user can configure the Access Point features in the NODE.
The Wireless Access (SSID, rates); Radio specifications (channel assignment,
power levels) and wireless security (WEP 64&128 & WPA-PSK, Broadcast
ESSID and MAC address authentication) are set.

Wireless Setting for the Mesh Network

In this tab the user can configure the Mesh Network features in the NODE.
The Mesh (SSID, rates); Radio specifications (channel assignment, power
levels) and wireless security (WEP 64&128 & WPA-PSK, Broadcast ESSID and
MAC address authentication) are set.

eXS 5001A Tech Manual

20

Figure 16

Network Settings for the NODE

In this tab the user can configure the DNS & DHCP parameters for the NODE.

eXS 5001A Tech Manual

21

Figure 17

Network Settings for the Ethernet port

When the NODE is acting as a gateway, the user will need to configure the
Ethernet/LAN port to act as a WAN interface and communicate correctly with
the distribution system. This tab allows the user to configure the port to act
as a DHCP in case there is a DHCP server on the LAN or to be configured with
a Static IP address.

NOTE: in the repeater mode the Ethernet port will act as a DHCP server and
assign IP addresses to clients.

eXS 5001A Tech Manual

22

Figure 18

eXS 5001A Tech Manual

23

Figure 19

WDS

If the user would like to specify a link manually, you could go under WDS
configuration and manually configure the link, that value will be retained in
the configuration, while the automatically generated links will refreshed and
updated according to the mesh status.

To configure a WDS (Wireless Distribution System) link enter the MAC
address of the 802.11a radio on the remote NODE in the Link field

NOTE: for a WDS link to be active, the configuration must be done on the
NODEs on each end of the link and the wireless mesh settings on each NODE
must be configured with the same security configuration.

eXS 5001A Tech Manual

24

Figure 20

Traffic control:

The NODE support the ability to specify the average and maximum
throughput a user can enjoy on the wired AND wireless access interfaces in
the repeater mode and the settings will only affect the wireless interface in
the Gateway mode.

The mesh will not be affected by the traffic control setting.

If VoIP is going to be implemented on the mesh it is not recommended to
specify anything less than 90 kbps for the traffic control.

There are 3 levels of service possible: Gold, Silver and Bronze. Each level
average rate and maximum burst rate are settable. It is not advisable to set
the Average rate below 64 kbps.

eXS 5001A Tech Manual

25

Figure 21

Backup

The Backup main menu item provides any easy way to retrieve the last
committed configuration settings from the single NODE, namely the config
file. This file is saved as a Linux “tar” formatted file, and you can save this
file on your local PC in the same manner as you save files from other URL's
using your web browser.

eXS 5001A Tech Manual

26

Figure 22

Restore

The Restore main menu item provides a way for you to restore the set of
configuration variables on the NODE. There are three sources from which
you can restore the variables, namely from the factory default settings, from
the last committed changes or from a file.

eXS 5001A Tech Manual

27

Figure 23

• Factory Defaults _ Restores the NODE configuration data variables to the
factory default settings. These are the settings in the NODE when it's
shipped.

• Last Committed Changes _ Restores the NODE configuration data variables
to the last committed settings.

• File _ Restores the NODE configuration data variables from a file that was
previously saved using the Backup feature of the web configuration manager
application.

Select an option by clicking the appropriate button. The following subsections
walk you through the Restore procedure of each.

Restoring from Factory Defaults

After you click the Factory Defaults button, the factory defaults settings are
written to the temporary configuration data file and you are prompted to
commit the changes. To make the factory defaults permanent, click the

Commit button.

eXS 5001A Tech Manual

28

After you commit your changes, you are prompted to reboot the single board
computer so the changes you made take effect.

Restoring from Last Committed Changes

After you click the Last Committed Changes button, the saved configuration
file is activated a "commit" is not necessary.

Restoring from a Local File

After you click the File button, the following web page is displayed prompting
you to choose the method for the NODE to use to retrieve the configuration
data file. The file should be a backup file of the configuration data saved
using the Backup feature. You can upload the file via your web browser on
our local PC or you can download the file via the http or ftp protocol.

Figure 24

1. Uploading via Web Browser

When prompted for the name of the file to upload, either enter the
name of the file or click the Browse button to select the file name as
shown in the following example web page.

eXS 5001A Tech Manual

29

Figure 25

If the file is successfully uploaded, the page to validate the uploaded
configuration data file is displayed as shown in the following figure.
Click the Validate button to initiate the validation process.

If the file is a valid configuration data file, the file will be copied. You
will be prompted to commit your changes to make them permanent.
After you commit your changes, you will be prompted to reboot the
single board computer.

2. Downloading via the http or ftp Protocol

When prompted for the name of the file to download, enter the URL for
the file using either the http or ftp protocol as shown in the following
examples and web page.

Syntax:

http://<username>:<password>@<IP
Address>/<full_directory_path>/<filename>

_OR_
ftp://<username>:<password>@<IP

eXS 5001A Tech Manual

30

Address>/<full_directory_path>/<filename>
Examples:

http://bob:wave@192.168.100.9/downloads/config.tar

ftp://bob:wave@192.168.100.9/home/bob/wdp80211/dot11Linux/load
images/config.tar

In the examples above, the username is bob, and the password is
wave. The IP address, 192.168.100.9, is the IP address of the PC. The

remainder of the line is the full directory path and filename for the
backup configuration data file. NOTE: In order for the NODE to use the
FTP protocol to download the file from the PC, the PC must have an
FTP server running.

Figure 26

If the file is successfully downloaded, the page to validate the
downloaded configuration data file is displayed. Click the Validate
button to initiate the validation process.

eXS 5001A Tech Manual

31

If the file is a valid configuration data file, the file will be copied. You
will be prompted to commit your changes to make them permanent.
After you commit your changes, you will be prompted to reboot the
NODE.

Software Update

The Software Update main menu item is a feature that allows you to
remotely update all the NODE. The first page of the software update feature
is shown in the following figure.

Figure 27

Using the Update Feature

The software update feature is accessed through the Software Update tab on
the main menu of the web management application. After logging into the
web management application and clicking the Software Update tab, the
following web page is displayed. You can upload the swupdate.img file via
your web browser on our local PC or you can download the file via the http or
ftp protocol.

eXS 5001A Tech Manual

32

Uploading via Web Browser

When prompted for the name of the file to upload, either enter the name of
the file or click the Browse button to select the file name as shown in the
following example web page.

Figure 28

After you have entered the name of the file to upload, click the Upload File
button. The upload will take a few moments before the next page in the
software update process is displayed.

When the update file is acquired successfully. you will be asked to validate
the file, press the Validate and Update button to proceed with the software
update validation and update process.

After clicking on the Validate and Update button, the validation process
checks the integrity of the uploaded binary image by verifying the checksum
of the image. If the binary image is a valid image, the update procedure
begins, namely the images are written to flash.

Once the flash writing process is completed (it will take a few moments), the
NODE will automatically reboot. Once the reboot sequence is complete, you

eXS 5001A Tech Manual

33

may access the web configuration manager application again by clicking the
Go to Top button.

Downloading via the http or ftp Protocol

When prompted for the name of the file to upload, enter the URL for the file
using either the http or ftp protocol as shown in the following examples.

Syntax:

http://<username>:<password>@<IP
Address>/<full_directory_path>/swupdate.img
_OR_
ftp://<username>:<password>@<IP
Address>/<full_directory_path>/swupdate.img

Examples:

http://bob:wave@192.168.100.9/downloads/swupdate.img

ftp://bob:wave@192.168.100.9/home/bob/wdp80211/dot11Linux/loadimage
s/swupdate.img

In the examples above, the username is bob, and the password is wave. The
IP address, 192.168.100.9, is the IP address of the PC. The remainder of the
line is the full directory path and filename for the swupdate.img file. NOTE:
In order for the NODE to use the FTP protocol to download the swupdate.img
from the PC, it must have an FTP server running.

After you have entered the URL using the either the HTTP or FTP protocol,
click the Download File button. The download will take a minute or so before
the next page in the software update process is displayed. The following page
will be displayed after a successful download.

As the above page indicates, the update file was acquired successfully. Press
the Validate and Update button to proceed with the software update
validation and update process. After clicking on the Validate and Update
button, the validation process checks the integrity of the downloaded binary
image by verifying the checksum of the image. If the binary image is a valid
image, the update procedure begins, namely the images are written to flash.

Once the flash writing process is completed (it will take a few moments), the
NODE will automatically reboot. Once the reboot sequence is complete, you
may access the web configuration manager application again by clicking the
Go to Top button.

eXS 5001A Tech Manual

34

Troubleshooting the Software Update Process

If an error is displayed during the software update procedure, the most
common reasons for error are as follows, particularly if using the FTP
protocol:

• The FTP server is not running on the PC,

• The FTP server was not configured correctly on the PC.

• The directory permissions in the full path were not set up.

• The URL entered in the Update URL field contains a typographical error.

• The image you are attempting to download is not the swupdate.img file.

Reboot

The Reboot main menu item initiates a soft reboot of the single NODE. The
reboot page is shown below.

Figure 29

eXS 5001A Tech Manual

35

Multi-Layered Mesh Network

When configuring a multi-layered mesh, it is recommended that you
configure each layer with a different subnet. This is to avoid having duplicate
IP addresses on the assigned to end users and to the gateways linking 2
different level of the mesh hierarchy.

eXS 5001A Tech Manual

36

Copyright Information

Copyright 2004-2005 eXS Inc.

The entire contents of this manual are proprietary to eXS Inc.

eXS Inc. makes no representations or warranties with respect to the contents
of this manual and specifically disclaims any express or implied warranties of
merchantability or fitness for any particular purpose.

The Development Platform is made up of both Open Source software and
restricted license software. In particular, linux_wlan™ is Copyrighted by
AbsoluteValue Systems, Inc., and began as an Open Source project
supporting the original IEEE 802.11 specifications and 802.11b. Portions of
the linux_wlan™ source code included in the development platform source
code tree are not a part of the Open Source version of linux_wlan™ and are
under a restricted license agreement between licensees of the development
platform and AbsoluteValue Systems, Inc.

Linux is a registered trademark of Linus Torvalds. The registered trademark
Linux® is used pursuant to a license from Linux Mark Institute, authorized
licensor of Linus Torvalds, owner of the Linux trademark on a worldwide
basis.

linux_wlan is a registered trademark of AbsoluteValue Systems, Inc. All
other trademarks and registered trademarks are the property of their
respective owners.

The IEEE (www.ieee.org) has various rights to IEEE 802.11™ and other
trademarks as well as rights to the contents of their standards.

To contact eXS Inc.:

eXS California, Inc.

1900 Alameda de las Pulgas, Suite 110, San Mateo CA 94403-1222 USA

email: [e-mail]

Limited Warranty

The following is a summary of Warranty information. It will be superseded
by Distributor Agreements, purchase order agreements or other appropriate
written agreements between parties.

HARDWARE

eXS warrants to the end user ("Customer") that this hardware product will be
substantially free from material defects in workmanship and materials, under
normal use and service, for the following length of time from the date of
purchase from eXS or its authorized reseller: One (1) year.

eXS 5001A Tech Manual

37

eXS’s sole obligation under this express warranty shall be, at eXS’s option
and expense, to repair the defective product or part, deliver to Customer an
equivalent product or part to replace the defective item, or if neither of the
two foregoing options is reasonably available, refund to Customer the
purchase price paid for the defective product. All products that are replaced
will become the property of eXS. Replacement products or parts may be new
or reconditioned. eXS warrants any replaced or repaired product or part for
ninety (90) days from shipment, or the remainder of the initial warranty
period, whichever is longer.

SOFTWARE

eXS warrants to Customer that each software program licensed from it,
except as noted below, will, if operated as directed in the user
documentation, substantially achieve the functionality described in the user
documentation for a period of ninety (90) days from the date of purchase
from eXS or its authorized reseller. No updates or upgrades are provided
under this warranty. eXS's sole obligation under this express warranty shall
be, at eXS's option and expense, to refund the purchase price for the
software product or replace the software product with software which meets
the requirements of this warranty as described above. Customer assumes
responsibility for the selection of the appropriate programs and associated
reference materials.

eXS makes no warranty or representation that its software products will
meet Customer’s requirements or work in combination with any hardware or
software products provided by third parties, that the operation of the
software products will be uninterrupted or error free, or that all defects in the
software products will be corrected.

For any third party products listed in the eXS software product
documentation or specifications as being compatible, eXS will make
reasonable efforts to provide compatibility, except where the non­compatibility is caused by a "bug" or defect in the third party's product or
from use of the software product not in accordance with eXS’s published
specifications or user manual.

THIS eXS PRODUCT MAY INCLUDE OR BE BUNDLED WITH THIRD PARTY
SOFTWARE. THE WARRANTY PROVISIONS OF THIS DOCUMENT DO NOT
APPLY TO SUCH THIRD PARTY SOFTWARE. IF A SEPARATE END USER
LICENSE AGREEMENT HAS BEEN PROVIDED FOR SUCH THIRD PARTY
SOFTWARE, USE OF THAT SOFTWARE WILL BE GOVERNED BY THAT
AGREEMENT. FOR ANY APPLICABLE WARRANTY, PLEASE REFER TO THE END
USER LICENSE AGREEMENT GOVERNING THE USE OF THAT SOFTWARE.

OBTAINING WARRANTY SERVICE

Customer must contact an eXS Corporate Service Center or an Authorized

eXS Service Center within the applicable warranty period to obtain warranty

eXS 5001A Tech Manual

38

service authorization. Dated proof of purchase from eXS or its authorized
reseller may be required. A User Service Order (USO), Return Material
Authorization (RMA) or Service Repair Order (SRO) number will be issued.
This number must be marked on the outside of the package sent to eXS’s
Corporate Service Center. The product must be packaged appropriately for
safe shipment and sent prepaid. It is recommended that returned products
be insured or sent by a method that provides for tracking of the package.
Responsibility for loss or damage does not transfer to eXS until the returned
item is received by eXS. eXS will retain risk of loss or damage until the item
is delivered to Customer. The allocation of responsibility for loss or damage
stated shall be subject to any mandatory legal requirements. eXS shall not
be responsible for any software, firmware, information, or memory data of
Customer contained in, stored on, or integrated with any products returned
to eXS for repair, whether under warranty or not.

WARRANTIES EXCLUSIVE, WARRANTY DISCLAIMER

TO THE FULL EXTENT ALLOWED BY LAW, THE FOREGOING WARRANTIES
AND REMEDIES ARE EXCLUSIVE AND ARE IN LIEU OF ALL OTHER
WARRANTIES, TERMS OR CONDITIONS, EXPRESS OR IMPLIED, EITHER IN
FACT OR BY OPERATION OF LAW, STATUTORY OR OTHERWISE, INCLUDING,
WITHOUT LIMITATION, WARRANTIES, TERMS OR CONDITIONS OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, SATISFACTORY
QUALITY, CORRESPONDENCE WITH DESCRIPTION, NON-INFRINGEMENT
AND QUIET ENJOYMENT, ALL OF WHICH ARE EXPRESSLY DISCLAIMED. eXS
NEITHER ASSUMES NOR AUTHORIZES ANY OTHER PERSON TO ASSUME FOR
IT ANY OTHER LIABILITY IN CONNECTION WITH THE SALE, INSTALLATION,
MAINTENANCE OR USE OF THIS PRODUCT.

eXS SHALL NOT BE LIABLE UNDER THIS WARRANTY IF ITS TESTING AND
EXAMINATION DISCLOSE THAT THE ALLEGED DEFECT OR MALFUNCTION IN
THE PRODUCT DOES NOT EXIST OR WAS CAUSED BY CUSTOMER'S OR ANY
THIRD PERSON'S MISUSE, NEGLECT, IMPROPER INSTALLATION OR
TESTING, UNAUTHORIZED ATTEMPTS TO OPEN, REPAIR OR MODIFY THE
PRODUCT, OR ANY OTHER CAUSE BEYOND THE RANGE OF THE INTENDED
USE, OR BY ACCIDENT, FIRE, LIGHTNING, POWER CUTS OR OUTAGES,
OTHER HAZARDS, OR ACTS OF GOD.

LIMITATION OF LIABILITY

TO THE FULL EXTENT ALLOWED BY LAW, eXS ALSO EXCLUDES FOR ITSELF
AND ITS LICENSORS AND SUPPLIERS ANY LIABILITY, WHETHER BASED IN
CONTRACT OR TORT (INCLUDING NEGLIGENCE), FOR INCIDENTAL,
CONSEQUENTIAL, INDIRECT, SPECIAL, OR PUNITIVE DAMAGES OF ANY
KIND, OR FOR LOSS OF REVENUE OR PROFITS, LOSS OF BUSINESS, LOSS
OF INFORMATION OR DATA, OR OTHER FINANCIAL LOSS ARISING OUT OF

eXS 5001A Tech Manual

39

OR IN CONNECTION WITH THE SALE, INSTALLATION, MAINTENANCE, USE,
PERFORMANCE, FAILURE, OR INTERRUPTION OF ITS PRODUCTS, EVEN IF
eXS OR ITS AUTHORIZED RESELLER HAS BEEN ADVISED OF THE
POSSIBILITY OF SUCH DAMAGES, AND LIMITS ITS LIABILITY TO REPAIR,
REPLACEMENT, OR

REFUND OF THE PURCHASE PRICE PAID, AT eXS's OPTION. THIS
DISCLAIMER OF LIABILITY FOR DAMAGES WILL NOT BE AFFECTED IF ANY
REMEDY PROVIDED HEREIN SHALL FAIL OF ITS ESSENTIAL PURPOSE.

Some countries, states, or provinces do not allow the exclusion or limitation
of implied warranties or the limitation of incidental or consequential damages
for certain products supplied to consumers or the limitation of liability for
death or personal injury, so the above limitations and exclusions may be
limited in their application to you. When the implied warranties are not
allowed to be excluded in their entirety, they will be limited to the duration of
the applicable written warranty. This warranty gives you specific legal rights
which may vary depending on local law.

GOVERNING LAW

This Limited Warranty shall be governed by the laws of the State of
California, U.S.A., and by the laws of the United States, excluding their
conflicts of laws principles. The United Nations Convention on Contracts for
the International Sale of Goods is hereby excluded in its entirety from
application to this Limited Warranty.

eXS Inc., a BVI company with US correspondence offices at :

1900 Alameda de las Pulgas, Suite 110, San Mateo, CA 94403-1222 USA

eXS 5001A Tech Manual

40

Appendix: Radio Characteristics

Transmit Output Power

Test conditions: supply voltage=3.3v ambient temperature=25OC

Frequency

Range

(Bands)

Modulations

Rates

(Mbps)

Minimum

Output

Power
(dBm)

Typical

Output

Power
(dBm)

Maximum

Output

Power
(dBm)

11415.5

20.5

21415.5

20.5

5.5

14

15.5

20.5

Transmit

Power Output

low band

(802.11b)

111415.5

20.5

6

15.5

17

21.5

9

15.5

17

21.5

121415.6

20

181415.6

20

241314.3

19

361314.3

19

481011.6

16

Transmit

Power Output

low band

(802.11g)

541011.6

16

61516.1

21

91516.1

21

121415.6

20

181415.6

20

241314.8

19

361314.8

19

48

8.5

10.9

15

Transmit

Power Output

high band
(802.11a)

54

8.5

10.9

15

The above numbers are for reference only

eXS 5001A Tech Manual

41

Maximum Output Power Settings, United States

Products sold for use in the United States shall not exceed the output power
settings values in the following table:

Channel No.

Frequency

Mode

Power,
dBm

6

2437

802.11b

27

All other channels

802.11b

21

6

2462

802.11g

26

all other channels

802.11g

18

32-48

5180-5240

802.11a

15.8

52-64

5260-5320

802.11a

15.5

149-165

5745-5805

802.11a

19

eXS 5001A Tech Manual

42

Receiver Sensitivity

Test conditions: supply voltage=3.3v ambient temperature=25OC

Frequency

Range

(Bands)

Modulations

Rates

(Mbps)

Minimum

Receiver

Sensitivity

(dBm)

Typical

Receiver

Sensitivity

(dBm)

1

-92

-94

2

-90

-92

5.5

-89

-91

Receiver
Sensitivity
low band
(802.11b)
(8% Packet
Error Rate)

11

-85

-87

6

-89

-91

9

-87

-89

12

-86

-88

18

-83

-85

24

-79

-81

36

-75

-77

48

-70

-72

Receiver
Sensitivity
low band
(802.11g)

(10 % PER)

54

-68

-70

6

-88

-90

9

-86

-88

12

-85

-87

18

-82

-84

24

-78

-80

36

-74

-76

48

-69

-71

Receiver
Sensitivity
high band
(802.11a)

(10 % PER)

54

-67

-69

PER = Packet Error Rate.

The above numbers are for reference only

eXS 5001A Tech Manual

43

Appendix: User Information

After an installation, the network customer should be given written
instructions appropriate to the country. The instructions in this
Section are appropriate for the USA.

Professional Installation

This device must be professionally installed & maintained.

The end user cannot change frequency, transmitter power or any other
RF parameters of this device.

Operation

This device complies with Part 15, Class B (residential and business) of
the FCC Rules and Regulations (CFR47). Operation is subject to the
following two conditions: (1) this device may not cause harmful
interference, and (2) this device must accept any interference
received, including interference that may cause undesired operation.

CAUTION: changes or modifications not expressly approved by the
party responsible for compliance and installation could void the user's
authority to operate the equipment.

The transmitter must not be co-located or operated in conjunction with
any antenna, amplifier or transmitter except those used by the
professional installer.

Interference

This equipment has been tested and found to comply with the limits
for a Class B digital device, pursuant to Part 15 of the FCC Rules.
These limits are designed to provide reasonable protection against
harmful interference in a residential installation. This equipment
generates, uses and can radiate radio frequency energy and, if not
installed and used in accordance with the instructions, may cause
harmful interference to radio communications. However, there is no
guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television
reception, which can be determined by turning the equipment off and
on, the user is encouraged to try to correct the interference by one or
more of the following measures:

Reorient or relocate the receiving radio or TV antenna.

Increase the separation between the equipment and receiver.

eXS 5001A Tech Manual

44

Connect the equipment into an outlet on an AC circuit different from

that to which the receiver is connected.

Consult the dealer or an experienced radio/TV technician for help.

Radiation Exposure

This equipment complies with FCC safe radiation exposure limits set
forth for an uncontrolled environment. This equipment should be
installed and operated with minimum distance of 20cm (8 inches)
between the radiator (the antenna) and your body.

eXS 5001A Tech Manual

45

Appendix: FCC Rules

The following is a brief summary of the US Federal Communications
Commission (FCC) Rules and Regulations, which is under the Code of
Federal Regulations (CFR) in the USA. These are Rules that are most
useful in planning a US installation.

A current copy of the FCC Rules is available at:
http://ftp.fcc.gov/oet/info/rules/

Part 15.203: Antenna Requirement

The installer shall be responsible for ensuring that the proper antenna
is employed so that the limits in Part 15 are not exceeded.

The eXS Price List includes the antennas and the PoE power adapter
that were used in the FCC testing and certification. The FCC Rules
require that ONLY these units be installed, unless the antenna is of a
lesser gain but same type as the approved antenna.

Part 15.407: Technical Requirements (UNII)

5.15-5.25 GHz, maximum power to antenna connector is 50 mW (17
dBm).

5.15-5.25GHz is restricted to INDOOR operation.

5.25-5.35GHz, max power to antenna is 250 mW (24 dBm). If
directional antenna is greater than 6 dBi, maximum power shall be
decreased by 1 dB for every dB the antenna exceeds 6 dBi.

5.725-5.825GHz, max power to antenna is 1 Watt (30 dBm). If the
directional antenna exceeds 6 dBi, the maximum power shall be
reduced by 1 dB for each dB the antenna exceeds 6 dBi. However,
fixed point-to-point devices may employ antennas with directional gain
up to 23 dBi without any corresponding reduction. Point-to-point
excludes point-to-multipoint and omni-directional systems, or
equivalent.

On February 18, 2005, the FCC postponed the Transmit Power Control
(TPC) and Dynamic Frequency Selection (DFS) requirements. If there
are no further postponements, they will require that after January 20,
2007, devices cannot be imported or marketed that do not meet TPC
and DFS. [Subpart 15.37(L)].

TPC and DFS requirements ONLY apply to devices operating 5.25-

5.35GHz.

eXS 5001A Tech Manual

46

Furthermore, Transmit Power Control (TPC) is NOT required for
systems radiating less than 500 mW (27 dBm) E.I.R.P. in the 5.25-

5.35GHz band (which is generally true for the eXS 5001A).

Part 15.407: RF Transmission Auto-control

This device is in compliance with FCC 15.407(c). It automatically
discontinues transmission in case of either absence of information to
transmit or operational failure.

Data transmission is always initiated by software. The data is either
subscriber data or small amounts of network control and signaling
information. The data passes down to the Media Access Control logical
layer to the RF transmitter. The RF transmitter is ON only when
passing these data packets out to the antenna. The transmission
turns OFF at the end of each individual packet. If there is an
operational failure, no data packets are transmitted.

eXS 5001A Tech Manual

47

Appendix: Malaysian Rules

The Malaysian Communications and Multimedia Commission (MCMC)
Guidelines for WLAN devices are:

Frequency Band

EIRP

(dBm)

EIRP

(mW)

2.400 – 2.500 GHz

27

500

5.250 - 5.350 GHz

30

1000

5.725 – 5.875 GHz

30

1000

The eXS 5001A is a “Second Schedule” “Short Range Communications
Device” according to the “Notification of Issuance of Class
Assignments”, 1 November 2004. The eXS 5001A has been approved
by SIRIM.

All specifications are subject to change without notice. All contents are Copyright © 2004-2005 eXS, Inc. All rights reserved. eXS, eXS
ZONE, eXS NODE and their logos are trademarks or registered trademarks of eXS, Inc and/or its affiliates in the B.V.I., U.S.A., Malaysia and
certain other countries. The IEEE has a number of registered trademarks within the IEEE802.11 family. Wi-Fi is a registered trademark of
the Wi-Fi Alliance. All other trademarks mentioned in this document are the property of their respective owners.

TM1014nov2005