lantronix XPICOW 802.11b/g/n Wireless Module, xPico Wi-Fi SMT Module User Manual xPico EXT1 UserManual

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xPico-SMT EVB
Wi-Fi RF test user guide
Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
xPico-SMT EVB, Wi-Fi RF test user guide, revision 1.0
Page 1
Revision history
Revision
Date
1.0 2014/11/05
Change description
First draft of the document
Table of Contents
About this document ...........................................................3
Purpose of this document ...............................................3
Driver installation and setup ..............................................3
Manufacturing test application ..........................................4
Demonstration requirements.............................................4
Overview...........................................................................4
Using the application........................................................4
Example commands..........................................................4
Iperf application...................................................................5
Start running Iperf throughput tests..................................5
FCC/CE/IC warnings...........................................................9
Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
xPico-SMT EVB, Wi-Fi RF test user guide, revision 1.0
Page 2
About this document
Purpose of this document
This document provides an overview of the manufacturing test application and the Iperf application
available for use with xPico-SMT EVB. The document describes the purpose of these applications and
how to use them. The images will have already been downloaded to our xPico evaluation boards.
Driver Installation and setup
When you receive the EVB, the application will have already been downloaded to it. Plug on the USB
cord in the upper left corner and connect it to your PC. Note that the OS of the PC is Linux:
Universal Scientific Industrial Co., Ltd.
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Figure 1. xPico-SMT EVB setup
Next, you should install ftdi driver by type command as follow in the command line:
$ sudo rmmod ftdi_sio
$ sudo rmmod usbserial
$ sudo modprobe ftdi_sio vendor=0xa5c product=0x43fa
Finally, use the tool minicom to open uart port ttyUSB1 as follow:
$ minicom -s
1. choose Serial port setup
A - Serial Device
: /dev/ttyUSB1
2. choose Exit
After that, you will have opened ttyUSB1 using minicom. The testing environment is similar to the
structure bellow
Figure 2. Testing Environment
Universal Scientific Industrial Co., Ltd.
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Iperf application
Iperf is already downloaded to the device as a console application. Connect to xPico-SMT EVB with
a terminal program (e.g., minicom or PuTTY) with parameters 115200 8N1.
After the program starts, it will try to connect to the default AP “YOUR_AP_SSID”. If your AP ssid is
set to “YOUR_AP_SSID”, the xPico EVB will connect to your AP automatically when power on. We
can connect to another AP by using the “join” command also. Type “help” for an explanation of all
commands.
Console Commands:
help [ []]
- Print help message or command example.
Join   [key] [key length]
- Join an AP. DHCP is needed.
scan
- Scan all enabled channels and print a list of Aps found.
start_ap    
-Start AP mode.
iperf
- Run iperf –help for usage.
ping
- Get status.
status
- Get status.
set_tx_power <0-32>
- Set the tx power in dBm.
get_tx_power
Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
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- Gets the tx power in dBm.
set_bg_rate
- Sets rate for the B/G PHY
get_bg_rate
- Gets rate for the B/G PHY
thread [priority] 
- Spawns a new thread for the specified command. Optionally run at a specific priority.
thread_kill 
- Kills the specified running thread
thread_list
- Lists the current running threads
thread_spawn [priority] 
- Spawns a new thread for the specified command. Optionally run at a specific priority.
Figure 3. Console help
For example, to join an AP with no security enabled:
Start join to an AP
> join Buffalo-OPEN open
Joining : Buffalo-OPEN
Exit wiced_wifi_prepare_join in Wiced/WWD/internal/wwd_wifi.c at 790
Failed to join : Buffalo-OPEN .. retrying
Exit wiced_wifi_prepare_join in Wiced/WWD/internal/wwd_wifi.c at 790
Successfully joined : Buffalo-OPEN
Obtaining IP address via DHCP
Network ready IP: 172.18.121.156
Start running Iperf throughput tests:
Universal Scientific Industrial Co., Ltd.
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After xPico-SMT successfully connect to an AP, we can start running Iperf throughput tests.
Start a TCP server:
> iperf -s
Start an UDP server
> iperf -s -u
Start an UDP multi-cast server bound to 224.1.1.1:
> iperf -s -u -B 224.1.1.1
Start a TCP client:
>iperf -c 192.168.1.136
Start an UPD client and send at void priority (using the “-S” option), for 90 seconds at 10 Mbps,
followed by the same command at video, best effort and background levels of priority:
> iperf -c 192.168.1.136 -u -S * -t 90 -b 10M
The corresponding “-S” option is set to 7, 5, 0, 1, respectively; “-t” specifies the duration of the test in
seconds; you can also specify the report interval using “-i”.
Start an UDP multi-cast client:
> iperf -c 224.1.1.1 -u
Start Iperf in a thread to enable concurrent client and server modes for bi-directional testing. The
default application priority is 7 so new threads should start at 7, as shown. However, it can be set to 6.
> thread 7 iperf -s
Start a bi-directional UDP throughput test. Note that each instance of Iperf must start on a separate port
using “-p ***”
xPico> thread 7 iperf -s -u -i 10 -p 6000
xPico> iperf -c 192.168.1.136 -u -b 10M -t 90 -p 7000
HOST>iperf -s -u -i 10 -p 7000
Universal Scientific Industrial Co., Ltd.
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HOST>iperf -c  -u -b 10M -p 6000
Start a bi-directional TCP throughput test. Note that each instance of Iperf must start on a separate port
using “-p ***”
xPico> thread 7 iperf -s -i 10 -p 6000
xPico> iperf -c 192.168.1.136 -t 90 -p 7000
HOST> iperf -s -i 10 -p 7000
HOST>iperf -c  -p 6000
Note:
a. Many Iperf parameters cannot be changed, for example TCP window size and max segment
size.
b. If the "thread" command is not used then after running an Iperf server the WICED module must
be reset, i.e., there is no break key to restore the console prompt.
c. The "thread_kill" command is not supported.
Copyright © 2013, Universal Scientific Industrial Co., Ltd. All Rights Reserved.
141, Lane 351, Taiping Road, Sec. 1, Tsao Tuen, Nan-Tou, Taiwan
The contents of this document is confidential and may not be disclosed to third parties, copied or duplicated in any form, in
whole or in part, without the prior written permission of Universal Scientific Industrial Co., Ltd.
Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
xPico-SMT EVB, Wi-Fi RF test user guide, revision 1.0
Page 8
Assessment of electronic and electrical equipment related to human exposure restrictions for
electromagnetic fields (0 Hz-300 GHz) (IEC 62311:2007 (Modified))
EN 300 328 V1.8.1: 2012
Electromagnetic compatibility and Radio spectrum Matters (ERM); Wideband Transmission
systems; Data transmission equipment operating in the 2,4 GHz ISM band and using spread
spectrum modulation techniques; Harmonized EN covering essential requirements under article
3.2 of the R&TTE Directive
EN 301 489-1 V1.9.2: 2008
Electromagnetic compatibility and Radio Spectrum Matters (ERM); ElectroMagnetic Compatibility
(EMC) standard for radio equipment and services; Part 1: Common technical requirements
Universal Scientific Industrial Co., Ltd.
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-
EN 301 489-17 V2.2.1: 2012
Electromagnetic compatibility and Radio spectrum Matters (ERM); ElectroMagnetic Compatibility
(EMC) standard for radio equipment and services; Part 17: Specific conditions for 2,4 GHz
wideband transmission systems and 5 GHz high performance RLAN equipment

Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
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Universal Scientific Industrial Co., Ltd.
Eason, WP/SiP/HW, 2014/11/5
xPico-SMT EVB, Wi-Fi RF test user guide, revision 1.0
Page 13
PRELIMINARY DRAFT
Appendix B: Compliance
Federal Communication Commission Interference Statement
This device complies with Part 15 of the FCC Rules. 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.
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 of the following measures:

Reorient or relocate the receiving antenna.

Increase the separation between the equipment and receiver.

Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.

Consult the dealer or an experienced radio/TV technician for help.
FCC Caution: Any changes or modifications not expressly approved by the party
responsible for compliance could void the user's authority to operate this equipment.
This transmitter must not be co-located or operating in conjunction with any other antenna or
transmitter.
Radiation Exposure Statement
This equipment complies with FCC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
This device is intended only for OEM integrators under the following conditions:
1. The antenna must be installed such that 20 cm is maintained between the antenna and users,
and
2. The transmitter module may not be co-located with any other transmitter or antenna.
As long as 2 conditions above are met, further transmitter test will not be required. However, the
OEM integrator is still responsible for testing their end-product for any additional compliance
requirements required with this module installed
IMPORTANT NOTE: In the event that these conditions can not be met (for example
certain laptop configurations or co-location with another transmitter), then the FCC
authorization is no longer considered valid and the FCC ID can not be used on the final
product. In these circumstances, the OEM integrator will be responsible for re-evaluating
the end product (including the transmitter) and obtaining a separate FCC authorization.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed
such that 20 cm may be maintained between the antenna and users. The final end product must
be labeled in a visible area with the following: “Contains FCC ID: R68XPICOW”. The grantee's
FCC ID can be used only when all FCC compliance requirements are met.
xPico® Wi-Fi® Embedded Device Server User Guide
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PRELIMINARY DRAFT
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to
install or remove this RF module in the user’s manual of the end product which integrates this
module.
The end user manual shall include all required regulatory information/warning as show in this
manual.
Industry Canada Statement
This device complies with RSS-210 of the Industry Canada Rules. 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.
Ce dispositif est conforme à la norme CNR-210 d'Industrie Canada applicable aux appareils radio
exempts de licence. Son fonctionnement est sujet aux deux conditions suivantes: (1) le dispositif
ne doit pas produire de brouillage préjudiciable, et (2) ce dispositif doit accepter tout brouillage
reçu, y compris un brouillage susceptible de provoquer un fonctionnement indésirable.
Radiation Exposure Statement
This equipment complies with IC radiation exposure limits set forth for an uncontrolled
environment. This equipment should be installed and operated with minimum distance 20cm
between the radiator & your body.
Déclaration d'exposition aux radiations
Cet équipement est conforme aux limites d'exposition aux rayonnements IC établies pour un
environnement non contrôlé. Cet équipement doit être installé et utilisé avec un minimum de 20
cm de distance entre la source de rayonnement et votre corps.
This device is intended only for OEM integrators under the following conditions: (For
module device use)
1. The antenna must be installed such that 20 cm is maintained between the antenna and users,
and
2. The transmitter module may not be co-located with any other transmitter or antenna.
As long as 2 conditions above are met, further transmitter test will not be required. However, the
OEM integrator is still responsible for testing their end-product for any additional compliance
requirements required with this module installed.
Cet appareil est conçu uniquement pour les intégrateurs OEM dans les conditions
suivantes: (Pour utilisation de dispositif module)
L'antenne doit être installée de telle sorte qu'une distance de 20 cm est respectée entre l'antenne
et les utilisateurs, et
Le module émetteur peut ne pas être coïmplanté avec un autre émetteur ou antenne.
Tant que les 2 conditions ci-dessus sont remplies, des essais supplémentaires sur l'émetteur ne
seront pas nécessaires. Toutefois, l'intégrateur OEM est toujours responsable des essais sur son
produit final pour toutes exigences de conformité supplémentaires requis pour ce module installé.
xPico® Wi-Fi® Embedded Device Server User Guide
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42
PRELIMINARY DRAFT
IMPORTANT NOTE: In the event that these conditions can not be met (for example
certain laptop configurations or co-location with another transmitter), then the Canada
authorization is no longer considered valid and the IC ID can not be used on the final
product. In these circumstances, the OEM integrator will be responsible for re-evaluating
the end product (including the transmitter) and obtaining a separate Canada authorization.
NOTE IMPORTANTE: Dans le cas où ces conditions ne peuvent être satisfaites (par
exemple pour certaines configurations d'ordinateur portable ou de certaines colocalisation avec un autre émetteur), l'autorisation du Canada n'est plus considéré comme
valide et l'ID IC ne peut pas être utilisé sur le produit final. Dans ces circonstances,
l'intégrateur OEM sera chargé de réévaluer le produit final (y compris l'émetteur) et
l'obtention d'une autorisation distincte au Canada.
End Product Labeling
This transmitter module is authorized only for use in device where the antenna may be installed
such that 20 cm may be maintained between the antenna and users. The final end product must
be labeled in a visible area with the following:
“Contains IC: 3867A-XPICOW".
Plaque signalétique du produit final
Ce module émetteur est autorisé uniquement pour une utilisation dans un dispositif où l'antenne
peut être installée de telle sorte qu'une distance de 20cm peut être maintenue entre l'antenne et
les utilisateurs. Le produit final doit être étiqueté dans un endroit visible avec l'inscription suivante:
"Contient des IC: 3867A-XPICOW".
Manual Information To the End User
The OEM integrator has to be aware not to provide information to the end user regarding how to
install or remove this RF module in the user’s manual of the end product which integrates this
module.
The end user manual shall include all required regulatory information/warning as show in this
manual.
Manuel d'information à l'utilisateur final
L'intégrateur OEM doit être conscient de ne pas fournir des informations à l'utilisateur final quant à
la façon d'installer ou de supprimer ce module RF dans le manuel de l'utilisateur du produit final
qui intègre ce module.
Le manuel de l'utilisateur final doit inclure toutes les informations réglementaires requises et
avertissements comme indiqué dans ce manuel.
Manufacturer's Contact:
Lantronix, Inc.
167 Technology Drive, Irvine, CA 92618 USA
Tel: 949-453-3990
Fax: 949-453-3995
xPico® Wi-Fi® Embedded Device Server User Guide
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