Part Number 900-643-R
Revision E May 2019
xPico Wi-Fi
Embedded Device Server
Evaluation Kit User Guide
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 2
Copyright and Trademark
© 2019 Lantronix, Inc. All rights reserved. No part of the contents of this book may be
transmitted or reproduced in any form or by any means without the written permission of
Lantronix.
Lantronix and xPico are registered trademarks of Lantronix, Inc. in the United States and other
countries. U.S. patents: 7,309,260; 7,698,405; 8,024,446; 8,219,661. Additional patent(s)
pending.
Windows is a trademark of Microsoft Corporation. Wi-Fi is a registered trademark of the Wi-Fi
Alliance Corporation. All other trademarks, servicemarks and trade names are the property of
their respective owners.
Warranty
For details on the Lantronix warranty policy, please go to our Web site at
www.lantronix.com/support/warranty.
Contacts
Lantronix, Inc.
167 Technology Drive Irvine, CA 92618, USA
Phone: 949-453-3990
Fax:
949-453-3995
Technical Support
Online: www.lantronix.com/support
Sales Offices
For a current list of our domestic and international sales offices go to the Lantronix web site at
www.lantronix.com/about/contact.
Disclaimer and Revisions
Note: This product has been designed to comply with the limits for a Class B digital device
pursuant to Part 15 of FCC and EN55022 Rules when properly enclosed and grounded.
These limits are designed to provide reasonable protection against radio interference in a
residential installation. This equipment generates, uses, and can radiate radio frequency
energy, and if not installed and used in accordance with this guide, may cause interference to
radio communications. Changes or modifications to this device not explicitly approved by
Lantronix will void the user's authority to operate this device. The information in this guide may
change without notice. The manufacturer assumes no responsibility for any errors that may
appear in this guide.
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 3
Revision History
Date
Rev.
Comments
July 2013
A
Initial document.
August 2013
B
Added xPico Wi-Fi module information.
August 2013
C
Updated pin number information.
December 2014
D
Updated Lantronix evaluation board information; added the new
evaluation board schematic for SMT part with on-module antenna.
May 2019
E
Clarified that RS485 is not available on the xPico Wi-Fi.
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 4
Table of Contents
Copyright and Trademark ____________________________________________________ 2
Warranty _________________________________________________________________ 2
Contacts __________________________________________________________________ 2
Disclaimer and Revisions ____________________________________________________ 2
Revision History ____________________________________________________________ 3
List of Figures _____________________________________________________________ 5
List of Tables ______________________________________________________________ 5
1: Introduction 6
About this Guide ___________________________________________________________ 6
Additional Documentation ____________________________________________________ 6
2: Evaluation Kit 7
Evaluation Board Description _________________________________________________ 7
Serial Port 1 RS232/RS485 and Serial Port 2 RS232 Interface ______________________ 11
Antenna Port _____________________________________________________________ 14
Power Supply _____________________________________________________________ 15
LEDs ___________________________________________________________________ 16
Additional Headers ________________________________________________________ 17
Evaluation Board Schematic (XPW100100K-01 and XPCW1002100K)________________ 18
Evaluation Board Schematic (XPCW1003100K) __________________________________ 23
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 5
List of Figures
Figure 2-1 xPico Wi-Fi Evaluation Board XPW100100K-01 Connectors and Jumpers ______ 8
Figure 2-2 xPico Wi-Fi SMT Evaluation Board XPW100300K – Connectors and Jumpers _ 9
Figure 2-3 JP8, JP9, and JP17 Headers _______________________________________ 14
Figure 2-4 Evaluation Board Schematic for XPW100100K-01
and XPCW1002100K, Part 1 of 5 _____________________________________________ 18
Figure 2-5 Evaluation Board Schematic for XPW100100K-01
and XPCW1002100K, Part 2 of 5 _____________________________________________ 19
Figure 2-6 Evaluation Board Schematic for XPW100100K-01
and XPCW1002100K, Part 3 of 5 _____________________________________________ 20
Figure 2-7 Evaluation Board Schematic for XPW100100K-01
and XPCW1002100K, Part 4 of 5 _____________________________________________ 21
Figure 2-8 Evaluation Board Schematic for XPW100100K-01
and XPCW1002100K, Part 5 of 5 _____________________________________________ 22
Figure 2-9 Evaluation Board Schematic for XPCW1003100K, Part 1 of 7 ______________ 23
Figure 2-10 Evaluation Board Schematic for XPCW1003100K, Part 2 of 7 _____________ 24
Figure 2-11 Evaluation Board Schematic for XPCW1003100K, Part 3 of 7 _____________ 25
Figure 2-12 Evaluation Board Schematic for XPCW1003100K, Part 4 of 7 _____________ 26
Figure 2-13 Evaluation Board Schematic for XPCW1003100K, Part 5 of 7 _____________ 27
Figure 2-14 Evaluation Board Schematic for XPCW1003100K, Part 6 of 7 _____________ 28
Figure 2-15 Evaluation Board Schematic for XPCW1003100K, Part 7 of 7 _____________ 29
List of Tables
Table 2-1 xPico Wi-Fi Evaluation Kit Contents ____________________________________ 7
Table 2-2 Evaluation Board Connectors, Header and Switches ______________________ 9
Table 2-3 RS-232 Signals on J3 Serial Port _____________________________________ 11
Table 2-4 RS-422 4-Wire Signals on J3 Serial Port _______________________________ 12
Table 2-5 RS-485 2-Wire Signals on J3 Serial Ports ______________________________ 12
Table 2-6 JP11 and JP12 Jumper Settings for Serial Port 1 (J3) ____________________ 12
Table 2-7 JP18 Serial Port 2 RS232 Connections ________________________________ 12
Table 2-8 JP17 Serial Port 1 Flow Control Break Out Header _______________________ 13
Table 2-9 JP8 and JP9 Port 2 Serial or USB/Serial Selection Headers ________________ 13
Table 2-10 Evaluation Board Power Options ____________________________________ 15
Table 2-11 LEDs Signals ___________________________________________________ 16
Table 2-12 JP6 LED Header Connections (XPW100100K-01 and XPCW1002100K) ____ 17
Table 2-13 JP6 LED Header Connections (XPW100300K) _________________________ 17
Table 2-14 Additional Headers ______________________________________________ 17
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 6
1: Introduction
About this Guide
This guide provides the information needed to use the Lantronix® xPico® embedded device
server with the evaluation kit. The intended audience is the engineers responsible for
integrating the xPico and xPico Wi-Fi into their product. In this document, “xPico” refers to all
xPico Ethernet only modules, “xPico Wi-Fi” refers to all xPico modules which have a Wi-Fi
interface and “xPico Wi-Fi SMT” refer to those modules with a surface mount mounting.
Notes: Everything required to evaluate the xPico turnkey application is provided in the
Evaluation Kit. See xPico Wi-Fi Evaluation Kit Contents for more information.
Additional Documentation
Visit the Lantronix web site at www.lantronix.com/support/documentation for the latest
documentation and the following additional documentation.
Document
Description
xPico Wi-Fi Embedded Device
Server Evaluation Kit Quick Start
Guide
Instructions for getting the xPico module up and running on the
evaluation board.
xPico Embedded Device Server
Integration Guide
Provides information for integrating the xPico module on a
customer platform.
xPico Wi-Fi SMT Embedded Device
Server Integration Guide
Provides information for integrating the xPico Wi-Fi SMT module on
a customer platform.
xPico Embedded Device Server
Product Brief
Provides a quick reference to xPico technical specifications.
xPico Wi-Fi Embedded Device
Server Product Brief
Provides a quick reference to xPico Wi-Fi technical specifications.
xPico Wi-Fi SMT Embedded Device
Server Product Brief
Provides a quick reference to xPico Wi-Fi SMT technical
specifications.
xPico Wi-Fi SMT Embedded Device
Server Datasheet
Provides a detailed reference to xPico Wi-Fi SMT technical
specifications.
xPico Embedded Device Server
User Guide
Provides information needed to configure, use, and build
applications on the xPico.
xPico Wi-Fi Embedded Device
Server User Guide
Provides information needed to configure, use, and build
applications on the xPico Wi-Fi.
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 7
2: Evaluation Kit
The xPico Embedded Device Server family of products can be evaluated using several
available Evaluation Kits depending upon the type of PCB mounting and interface.
The xPico Embedded Device Server Evaluation Kit (part number XPW100100K-01) is for
evaluating the xPico and xPico Wi-Fi modules with 40-pin connector interface. The xPico Wi-Fi
SMT module with on module antenna (XPCW1003100) module uses the XPCW1003100K.
The xPico Wi-Fi SMT module with U.FL connector comes on a carrier board that uses the
same board as the used for the connector versions of the module. This Evaluation Kit is the
XPCW1002100K. All of these kits can help you get familiar with your xPico module so that you
may understand how to integrate your xPico embedded device server into a given product
design.
Table 2-1 xPico Wi-Fi Evaluation Kit Contents
XPW100100K-01
XPCW1002100K
XPCW1003100K
xPico Wi-Fi Module
xPico Evaluation Board
5V Wall Adaptor
xPico Mounting Quick Clip
40-pin Connector Sample
2 dBi Swivel Type Antenna
and U.FL to RP SMA Cable
2.5 dBi PCB Strip Antenna
with U.FL cable
xPico Wi-Fi SMT W1002
Module on Carrier Board
xPico Evaluation Board
5V Wall Adaptor
2 dBi Swivel Type Antenna
and U.FL to RP SMA Cable
2.5 dBi PCB Strip Antenna
with U.FL cable
xPico Wi-Fi SMT W1003
Module
xPico SMT Evaluation Board
5V Wall Adaptor
Evaluation Board Description
The xPico Wi-Fi evaluation board provides a test platform for the Lantronix xPico device server
products. The evaluation board uses either 5V power from a USB device port connector or
power supplied to the Ethernet connector via PoE (XPW100100K-01 only). The evaluation
board also provides a header for connection to a 2.2V to 5.5V external source, such as a
battery. The Evaluation Kit includes a 5V wall adapter with a USB plug to allow powering the
evaluation board from a standard power strip. The evaluation board includes all necessary
regulators to power the 3.3V xPico module. The evaluation board has the following features:
One DB9 serial port connector with a multi-protocol RS232, RS422, RS485 transceiver at
rates up to 1Mbps. Serial port modes are configured by on-board jumpers. The xPico WiFi does not support RS485. RS485 is applicable only to the xPico.
A second RS232 serial port is available on a header.
One RJ45 10/100 Ethernet port with an integrated PoE regulator to allow powering from
standard POE PSE. (POE works with Ethernet xPico modules only) ( XPW100100K-01
only)
One Mini-Type B USB device port connector for 5V input power. This port also has an
integrated USB-to-serial converter. The USB-to-serial converter can be connected to the
xPico second serial port via a board jumper setting.
A second Mini-type B USB device port is available for connection to the xPico module
2: Evaluation Kit
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 8
USB device port. (Currently available on xPico Wi-Fi only)
LEDs for the xPico Ethernet, WLAN, and System status outputs along with two additional
LEDs that can be driven via jumper wire are provided.
Access to all logic level IO signals on the xPico via header pins for measurements and
connections to other places.
The figure below shows the xPico evaluation board and highlights all of the various connectors
and configuration jumpers. The following table lists each of the connectors and jumper
headers along with their function. Further description and pin assignments are included in
subsequent sections.
Figure 2-1 xPico Wi-Fi Evaluation Board XPW100100K-01 Connectors and Jumpers
2: Evaluation Kit
xPico® Wi-Fi® Embedded Device Server Evaluation Kit User Guide 9
Figure 2-2 xPico Wi-Fi SMT Evaluation Board XPW100300K – Connectors and Jumpers
Table 2-2 Evaluation Board Connectors, Header and Switches
Ref Des.
Connector/Header Function
J1
xPico Module Socket
40 pin socket for xPico module or SMT carrier board. XPW100100K-01 and
XPCW1002100K only.
J2
RJ45 Connector
10/100Mbps Ethernet connector. PoE powered device port. Functional for xPico Ethernet
modules. XPW100100K-01 and XPCW1002100K only.
J3
Serial Port 1 DB9
Standard RS232/RS422/RS485 DB9 serial port connector. The xPico Wi-Fi does not
support RS485. RS485 is applicable only to the xPico.
J5
Mini USB Connector
Standard USB device port that can be used to power the evaluation board and/or drive the
evaluation board USB-to-serial converter. The USB serial port converter can be connected
to the module second serial port via a jumper setting.
J6
Mini USB Connector
Standard USB device port that can be used to power the evaluation board and/or drive the
xPico Module USB device port. Functional for xPico Wi-Fi module.
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