Moxa Technologies W321 User Manual

ThinkCore W311/321/341
Hardware User’s Manual

Second Edition, March 2007

www.moxa.com/product

Moxa Systems Co., Ltd.

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Fax: [phone]

Web:

MOXA Technical Support

Worldwide:
The Americas [e-mail]

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ThinkCore W311/321/341
Hardware User’s Manual

The software described in this manual is furnished under a license agreement and may be used only in

accordance with the terms of that agreement.

Copyright Notice

Copyright © 2007 Moxa Systems Co., Ltd.

All rights reserved.

Reproduction without permi ssi on is pr ohibited.

Trademarks

MOXA is a registered trademark of The MOXA Group.

All other trademarks or registered marks in this manual belong to their respective manufacturers.

Disclaimer

Information in this document is subject to change without notice and does not represent a commitment on the
part of MOXA.

MOXA provides this document “as is,” without warranty of any kind, either expressed or implied, including, but
not limited to, its particular purpose. MOXA reserves the right to make improvements and/or changes to this
manual, or to the products and/or the programs described in this manual, at any time.

Information provided in this manual is intended to be accurate and reliable. However, MOXA assumes no
responsibility for its use, or for any infringements on the rights of third parties that may result from its use.

This product might include unintentional technical or typographical errors. Changes are periodically made to the
information herein to correct such errors, and these changes are incorporated into new editions of the
publication.

Table of Contents

Chapter 1 Introduction..................................................................................................1-1

Overview.................................................................................................................................. 1-2

Package Checklist.................................................................................................................... 1-2

Product Features ...................................................................................................................... 1-3

Product Hardware Specifications............................................................................................. 1-3

Hardware Block Diagram........................................................................................................ 1-6

ThinkCore W311.......................................................................................................... 1-6

ThinkCore W321.......................................................................................................... 1-6

ThinkCore W341.......................................................................................................... 1-7

Chapter 2 Hardware Introduction.................................................................................2-1

Appearance.............................................................................................................................. 2-2

ThinkCore W311.......................................................................................................... 2-2

ThinkCore W321.......................................................................................................... 2-2

ThinkCore W341.......................................................................................................... 2-3

Dimensions.............................................................................................................................. 2-4

ThinkCore W311.......................................................................................................... 2-4

ThinkCore W321.......................................................................................................... 2-5

ThinkCore W341.......................................................................................................... 2-6

LED Indicators......................................................................................................................... 2-7

Reset Button............................................................................................................................. 2-7

Real Time Clock ...................................................................................................................... 2-8

Chapter 3 Hardware Connection Description.............................................................3-1

Wiring Requirements............................................................................................................... 3-2

Connecting the Power................................................................................................... 3-2

Grounding the Unit....................................................................................................... 3-2

Connecting Data Transmission Cables .................................................................................... 3-3

Connecting to the Network........................................................................................... 3-3

Connecting to the WLAN............................................................................................. 3-3

Connecting to a Serial Device ...................................................................................... 3-4

Serial Console Port....................................................................................................... 3-4

SD Slot (W321 and W341 only).............................................................................................. 3-4

USB (W341 only) .................................................................................................................... 3-5

Relay Output (W341 only)....................................................................................................... 3-5

Appendix A FCC Warning Statement.............................................................................A-1

Appendix B Service Information..................................................................................... B-1

MOXA Internet Services..........................................................................................................B-2

Problem Report Form..............................................................................................................B-3

Product Return Procedure........................................................................................................B-4

1

1

Chapter 1 Introduction

The ThinkCore W300 Series is a line of wireless RISC-based embedded computers that feature

802.11a/b/g WLAN, RS-232/422/485 serial ports, and an Ethernet port in a small, rugged chassis.
In addition, the W321 and W341 models feature an SD slot, and the W341 features two USB 2.0
hosts and one relay output channel.

As part of the W300 Series, your embedded computer is ideal for diverse, machine-to-machine
embedded applications. It enables wirel ess o perat i o n of traditionally wired network and serial
devices and not only provides transparent data transfer, but also numeric computing, protocol
conversion, data processing and even data encryption. You will find it easier to build embedd ed
systems for distributed peer-to-peer communication, turn wired devices into wireless devices, and
introduce higher mobility and more intelligence to your system. In this chapter, learn about the
capabilities of the embedded computer.

This chapter covers the following topics:

 Overview


Package Checklist



Product Features



Product Hardware Specifications



Hardware Block Diagram

ThinkCore W311

¾
¾

ThinkCore W321

¾

ThinkCore W341

ThinkCore W311/321/341 Hardware User’s Manual Introduction

Overview

The ThinkCore W300 Series wireless embedded computer is designed around the MOXA ART
ARM9 32-bit RISC processor. Unlike the X86 CPU, which uses a CISC design, the MOXA ART
ARM9 uses RISC architecture and modern semiconductor technology to provide a powerful
computing engine without generating significant heat. The processor also integrates UART and
LAN functions to provide exceptional communication performance, but without the bus bandwidth
limitations associated with general ARM - based communication products.

On-board NOR Flash ROM and SDRAM provides ample storage capacity, and for select models,
the SD slot gives applications extra room to expand. The built-in WLAN function supports the

802.11a/b/g standard, providing transmission security with WEP, WPA and WPA2. The backup
LAN port not only provides an alternative solution for networking but also supports Ethernet
clients, allowing any network device to plug in and connect to the WLAN. The built-in
RS-232/422/485 serial ports support a wide range of serial devices, making this platform suitable
for data acquisition and protocol conversion applications.

The Linux-based operating system comes pre-installed and ready to run, providing an open
platform for software development. Software written for desktop PCs can easily be ported to
W300 Series embedded computers by using a common complier, so little time is spent modifying
existing software code. In addition, the operating system, device drivers, and user-developed
software can all be stored in the built-in flash memory.

Package Checklist

The ThinkCore W300 Series includes the following models:

ThinkCore W31 1-L X

A small, RISC-based, ready-to-run, wireless embedded computer with WLAN, one serial ports,
Ethernet, and Linux OS

ThinkCore W321-LX

A small, RISC-based, ready-to-run, wireless embedded computer with WLAN, two serial ports,
Ethernet, SD slot, and Linux OS

ThinkCore W341-LX
A RISC-based, ready-to-run, wireless embedded computer with WLAN, four serial ports, Ethernet,
SD slot, USB port, relay output, and Linux OS

Each model is shipped with the following items:

y ThinkCore W300 Series wireless embedded computer
y Quick Installation Guide
y Documentation & Software CD
y 100 cm RJ45-to-RJ45 Ethernet cross-over cable
y 100 cm console port cable (CBL-4PINDB9F-100)
y Universal Power Adaptor
y Product Warranty Statement

Optional Accessories

y 35 mm DIN-rail mounting kit (DK-35A)
NOTE: Notify your sales representative if any of the above items are missing or damaged.

1-2

ThinkCore W311/321/341 Hardware User’s Manual Introduction

Product Features

ThinkCore W300 Series computers have the following features:

y MOXAART 32-bit ARM9 industrial communication processor
y 32 MB on-board RAM (64 MB for W341)
y 16 MB built-in flash memory
y 802.11a/b/g Wireless LAN
y WEP, WPA and WPA2 encryption
y Infrastructure mode and Ad-Hoc mode
y RS-232/422/485 serial ports with software selectable interface
y Baudrates between 50 and 921.6 Kbps; supports ANY BAUDRATE
y 10/100M Ethernet for backup networking
y SD card slot for storage expansion (W321 and W341 only)
y Withstands 5G continuous vibration and 50G shock
y LED indicators for status, serial transmission, and wireless signal strength
y Ready-to-run Linux platform
y Installation on DIN-rail or wall
y Fanless design for increased ruggedness

Product Hardware Specifications

System
CPU MOXA ART ARM9 32-bit RISC CPU, 192 MHz
DRAM W311: 32 MB W321: 32 MB W341: 64 MB
Flash W311: 16 MB W321: 16 MB W341: 64 MB
Storage Expansion W311: None W321: SD slot ¯ 1 W341: SD slot ¯ 1
USB W341: USB 2.0 host ¯ 2
Relay Output Form C, SPDT ¯ 1

Normal switching
capacity:
Switching power:
Switching voltage:
Switch current:
Operation time:

Initial contact resistance:
Console port RS-232 ¯ 1 (TxD, RxD, GND), 4-pin header output, “115200, n, 8, 1”
Button Reset button ¯ 1, supports “Reset to Factory Default”
Others RTC, buzzer, Watchdog Timer
OS Built-in Embedded Linux with MMU support, based on Linux

Kemel 2.6

2 A @30 VDC
60 W max.
220 VDC max.
2 A max.
4 ms @20°C
100 Mohm max.

1-3

ThinkCore W311/321/341 Hardware User’s Manual Introduction

WLAN Communication

Standard Compliance 802.11a/b/g
Radio Frequency Type DSSS, CCK, OFDM
Radio Frequency Band 802.11a: 5.15 to 5.25 GHz, 5.25 to 5.35 GHz, 5.725 to 5.825 GHz

802.11b/g: U.S., Europe and Japan product covering 2.4 to 2.484 GHz
Media Access Protocol Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA)
Modulation 802.11a/g: OFDM (64-QAM, 16-QAM, QPSK, BPSK)

802.11b: DSSS (DBPSK, DQPSK, CCK)
Transmission Power

(Typical)

Receiver Sensitivity
(Typical)

Transmission Rate 54 Mbps with auto fallback (54, 48, 36, 24, 18, 12, 11 , 9, 6 , 5.5 , 2, 1

Transmission distance 100 meters at 11 Mbps (with no obstructions)
Security WEP 64-bit/128-bit, WPA, WPA2 data encryption
Antenna Connector Reverse SMA
Antenna External 2 dBi dipole antenna
WLAN Mode Infrastructure, Ad-Hoc

Network Communication

LAN 10/100 Mbps RJ45 ¯ 1, auto-sensing
Protection 1.5 KV built-in magnetic isolation protection

Serial Communication
Serial Port W311: RS-232/422/485 DB9 male ¯ 1

Protection 15 KV built-in ESD protection for all signals
Data bits 5, 6, 7, 8
Stop bits 1, 1.5, 2
Parity None, Even, Odd, Space, Mark
Flow Control RTS/CTS, XON/XOFF, RS-485 ADDC™
Speed 50 bps to 921.6 Kbps; supports ANY BAUDRATE

5.15 to 5.35 GHz: 15 dBm @6 Mbps; 12 dBm @54 Mbps

5.725 to 5.825 GHz: 15 dBm @6 Mbps; 12 dBm @54 Mbps

2.412 to 2.483 GHz (IEEE802.11g): 17 dBm @6 Mbps;

15 dBm @54Mbps

2.412 to 2.472 GHz (IEEE802.11b): 18 dBm@ 1 to 11 Mbps

5.15 to 5.35 GHz: 6 Mbps @ -90 dBm; 54 Mbps @ -72 dBm

5.47 to 5.725 GHz: 6 Mbps @ -90 dBm; 54 Mbps @ -72 dBm

5.725 to 5.825 GHz: 6 Mbps @ -89 dBm; 54 Mbps @ -72 dBm

2.412 to 2.472 G (IEEE802.11g): 6 Mbps @ -90 dBm;

54 Mbps @ -73 dBm

2.412 to 2.472 G (IEEE802.1 1b ): 11 Mbps @ -87 dBm;

1 Mbps @ -94 dBm

Mbps)

802.11b supported rates: 1, 2, 5.5, 11 Mbps

802.11a/g supported rates: 6, 9, 12, 18, 24, 36, 48, 54 Mbps

W321: RS-232/422/485 DB9 male ¯ 2
W341: RS-232/422/485 DB9 male ¯ 4

1-4

ThinkCore W311/321/341 Hardware User’s Manual Introduction

LEDs
System Ready, SD activity (for W321 and W341 only)
WLAN Enable, signal strength
LAN 10 M/Link, 100 M/Link (RJ45 connector)
Serial TxD, RxD

Power Requirements

Power Input 12 to 48 V
Power Consumption W311: 400 mA @ 12 VDC

W321: 400 mA @ 12 VDC
W341: 600 mA @ 12 VDC with no USB devices attached

1.2A @ 12 VDC with USB devices on each port at max spec

500 mA @ 5 VDC

Mechanical

Dimension
(W ¯ D ¯ H)

Antenna 110 mm
Construction Material W311: aluminum, 1 mm

Mounting DIN-rail, wall

Environmental

Operating Temperature -10 to 60°C (14 to 140°F), 5 to 95% RH
Storage Temperature -20 to 80°C (-4 to 176°F), 5 to 95% RH

Regulatory Approvals

EMC FCC, CE (Class A)
Safety TÜV, UL, cUL
Others RoHS, CRoHS, WEEE

Warranty

(without wall mount ear or antenna)
W311: 67 ¯ 100.4 ¯ 22 mm
W321: 77 ¯ 111 ¯ 26 mm
W341: 150 ¯ 100 ¯ 38 mm

W321: aluminum, 1 mm
W341: aluminum, 1 mm / SECC, 1 mm for rear panel

5 years

1-5

ThinkCore W311/321/341 Hardware User’s Manual Introduction

Hardware Block Diagram

ThinkCore W311

Ethernet

802.11a/b/g

Power
Circuit

RTC

Watchdog

ThinkCore W321

LAN

PHY

MAC

MOXA ART CPU
32-bit ARM9
192 MHz

UART

Serial
Port

RS-232RS-232/422/485

Ethernet

802.11a/b/g

WLAN

UART

Console
Port

64MB
RAM

16MB
Flash

Power
Circuit

LAN

PHY

MAC

WLAN

16MB
RAM

MOXA ART CPU

RTC

32-bit ARM9
192 MHz

Watchdog

UART

Serial
Port 1

RS-232/422/485 RS-232

UART

Serial
Port 2

UART

Console
Port

1-6

8MB
Flash

SD
Function

ThinkCore W311/321/341 Hardware User’s Manual Introduction

ThinkCore W341

802.11a/b/g

Ethernet

Power
Circuit

RTC

Watchdog

USB 2.0
Host x 2

WLAN

MOXA ART CPU
32-bit ARM9
192 MHz

UART UARTUART UART

Serial

Serial

Port 1

Port 2

Serial
Port 3

LAN

PHY

MAC

Serial
Port 4

Relay
Output

UART

Console
Port

RS-232RS-232/422/485

16MB
RAM

8MB
Flash

SD
Function

1-7

2

2

Chapter 2 Hardware Introduction

ThinkCore W300 Series hardware is compact, well-designed, and built rugged for industrial
applications. LED indicators help you monitor the performance and identify trouble spots.
Multiple ports allow the connection of different devices for wireless operation. With the reliable
and stable hardware platform that is provided, you may devote your attention to the development
of your application. In this chapter, learn the basics about the embedded computer hardware and
its different parts.

This chapter covers the following topics:

 Appearance

ThinkCore W311

¾
¾

ThinkCore W321

¾

ThinkCore W341

 Dimensions

ThinkCore W311

¾
¾

ThinkCore W321

¾

ThinkCore W341

 LED Indicators


Reset Button



Real Time Clock

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

Appearance

ThinkCore W311

Wireless LAN
antenna

Ethernet

(10/100BaseTx)
12 to

48 VDC

Serial
console port

(RS-232/422/485)

ThinkCore W321

Ethernet

(10/100BaseTx)

12 to

48 VDC

Serial Port

Wireless LAN
antenna

Serial
console port

Internal SD Slot for
Storage Expansion
(remove cover to access)

Serial Port 1
(RS-232/422/485)

Serial Port 2
(RS-232/422/485)

2-2

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

ThinkCore W341

Top View

Front View

Relay OutputReset Button Internal SD Slot for

Reset

12-48V

12 to 48 VDC

USB 2.0 Host

RELAY

NO

NC

COM

LAN

USB

Ethernet
10/100BaseTX

Storage Expansion
(remove cover to access)

Wireless LAN
antenna

Wireless LAN
antenna

Bottom View

2-3

Serial Port x 4
(RS-232/422/485)

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

Dimensions

ThinkCore W311

22 mm

(0.87 in)

100.4 mm (3.95 in)

67 mm (2.64 in)

78 mm (3.07 in)

90 mm (3.54 in)

25 mm

(0.98 in)

43 mm (1.69 in)

137.5 mm (5.41 in)

2-4

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

ThinkCore W321

148.1 mm (5.83 in)

25 mm

111 mm (4.37 in)

(0.98 in)

43 mm (1.69 in)

26 mm

(1.02 in)

77 mm (3.03 in)

88 mm (3.46 in)

100 mm (3.94 in)

2-5

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

ThinkCore W341

38 mm

(1.50 in)

Reset

100 mm (3.93 in)

12-48V

RELAY

NO

NC

COM

LAN

USB

25 mm

(0.98 in)

35 mm (1.38 in)

137.1 mm (5.40 in)

40.5 mm (1.59 in)

150 mm (5.91 in)

161 mm (6.34 in)

173 mm (6.81 in)

2-6

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

LED Indicators

Please note that the W311 does not include an SD slot, so it will not have an SD LED.

LED Name LED Color LED Function

Ready

SD

WLAN

Signal Strength

LAN

P1-P4

P1-P4

Green Power is on and functioning normally

Off Power is off or there is another power error

Green SD card is detected

Off No SD card is detected

ON: WLAN is ready

Green

Off WLAN is not ready or function error

Green

Off No signal or WLAN connection failed

Orange 10 Mbps Ethernet link

Green 100 Mbps Ethernet link

Off Disconnected or short circuit

Green Serial ports P1-P4 transmitting data TxD

Off Serial ports P1-P4 not transmitting data

Yellow Serial ports P1-P4 receiving data RxD

Off Serial ports P1-P4 not receiving data

Blinking: Conflict with WLAN IP or no response from

DHCP server

Number of glowing LEDs indicates signal strength
5: Excellent
4: Very good
3: Good
2: Fair
1: Bad

Reset Button

Hold the reset button down for 5 seconds to load the factory default configuration. After loading
the factory defaults, the system will reboot automatically. We recommend that you use this
function only if the software is not working properly. To reset the Linux system software, always
use the software reboot command (“reboot”) to protect the integrity of data.

The reset button is NOT designed as a hard reboot for the embedded computer.

ATTENTION

Restoring default settings preserves your data

Resetting the embedded computer to factory defaults will NOT format the user directory and will
NOT erase the user’s data. The reset button only loads a configuration file. All files in the /etc
directory will revert to their factory defaults, but all other user data will remain intact in the Flash
ROM.

Please note that if there is a problem with the /etc directory, the embedded computer may be
unable to restore the factory default settings.

2-7

ThinkCore W311/321/341 Hardware User’s Manual Hardware Introduction

Real Time Clock

The embedded computer’s real-time clock is powered by a lithium battery. We strongly
recommend that you NOT replace the lithium battery on your own. If the battery needs to be
changed, please contact the MOXA RMA service team.

ATTENTION

There is a risk of explosion if the wrong type of battery is used. To avoid this potential danger,
always be sure to use the correct type of battery. Contact the MOXA RMA service team for battery
replacement.

2-8

3

3

Chapter 3 Har ware Connection Description

ThinkCore W300 Series wireless embedded computers are equipped for multiple types of
connections. WLAN, Ethernet, and multiple serial interfaces are built into every model, including
a serial console port for monitoring of bootup messages. Select models also include an SD sl
storage expansion, USB ports for additional device and storage options, and relay output
connections. With the open-source Linux kernel, you are free to develop custom applications for
remote, wireless operation of your device. In this chapter, learn how to connect the embedded
computer to the network and to various devices.

This chapter covers the following topics:

 Wiring Requirements

¾ Connecting the Power
¾

Grounding the Unit

 ission Cables

Connecting Data Transm

Connecting to the Ne

¾
¾

Connecting to the WLAN

¾

Connecting to a Serial Devic

¾

Serial Console Port

SD Slot (W321 and W341 only)




USB (W341 only)



Relay Output (W341 only)

d

ot for

twork

e

ThinkCore W311/321/341 Hardware User’s Manual Hardware Connection Description

Wiring Requirements

This section describes how to connect serial devices to the embedded computer.
You should heed the following common safety precautions before proceeding with the installation

of any electronic device:
y Use separate paths to route wiring for power and devices. If power wiring and device wiring

paths must cross, make sure the wires are perpendicular at the intersection point.

NOTE: Do not run signal or communication wiring and power wiring in the same wire conduit.
To avoid interference, wires with different s ignal characteristics should be routed separately.

y Use the type of signal transmitted through a wire to determine which wires should be kept

separate. The rule of thumb is that wiring that shares similar electrical characteristics can be
bundled together.

y Keep input wiring and output wiring separate.
y It is advisable to label the wiring to all devices in the system.

ATTENTION

Safety First!
Be sure to disconnect the power cord before installation and/or wiring.

Watch Electrical Current!
Calculate the maximum possible current in each power wire and common wire. Observe all

electrical codes dictating the maximum current allowable for each wire size.
If the current goes above the maximum ratings, the wiring could overheat, causing serious

damage to your equipment.
Watch Temperature!

Be careful when handling the unit. When the unit is plugged in, the internal components generate
heat, and consequently the outer casing may feel hot to the touch.

Connecting the Power

Connect the “live-wire” end of the 12-48 VDC power adapter to the embedded computer’s
terminal block. When power is properly supplied, the “Ready” LED will glow a solid green after a
25 to 30 second delay.

Grounding the Unit

Grounding and wire routing help limit the effects of noise due to electromagnetic interference
(EMI). Before connecting any devices, run a ground wire from the ground screw to the grounding
surface.

3-2

ThinkCore W311/321/341 Hardware User’s Manual Hardware Connection Description

ATTENTION

This product should be mounted to a well-grounded mounting surface such as a metal panel.

SG

V+V-

12-48V

SG: The Shielded Ground (sometimes called

Protected Ground) contact is the left most contact
of the 3-pin power terminal block connector, as
viewed from the angle shown here. Connect the
SG wire to an appropriate grounded metal surface.

Connecting Data Transmission Cables

This section describes how to connect cables for the network, serial devices, and serial COM
terminal.

Connecting to the Network

Plug your network cable into the embedded computer’s Ethernet port. The other end of the cable
should be plugged into your Ethernet network. When the cable is properly connected, the LEDs on
the embedded computer’s Ethernet port will glow to indicate a valid connection.

The 10/100 Mbps Ethernet LAN port uses 8-pin RJ45 connectors. The following diagram shows
the pinouts for these ports.

18

The LED indicator in the lower right corner glows
a solid green color when the cable is properly
connected to a 100 Mbps Ethernet network. The
LED will flash on and off when Ethernet packets
are being transmitted or received.

18

The LED indicator in the lower left corner glows a
solid orange color when the cable is properly
connected to a 10 Mbps Ethernet network. The
LED will flash on and off when Ethernet packets
are being transmitted or received.

Pin Signal

1 ETx+
2 ETx­3 ERx+
4 --­5 --­6 ERx­7 --­8 ---

Connecting to the WLAN

The wireless embedded computer is WLAN ready and includes an 802.11 a/b/g WLAN module. It
supports WEP, WPA and WPA2 data encryption. To verify WLAN operation, first configure your
WLAN settings on the embedded computer using the serial console or a wired network connection.
Please refer to the operating system user’s manual for further detail.

3-3

ThinkCore W311/321/341 Hardware User’s Manual Hardware Connection Description

Connecting to a Serial Device

Your serial device can plug into the embedded computer’s serial port using a serial cable. Serial
ports P1 to P4 have male DB9 connectors and can be configured for RS-232, RS-422, or RS-485
communication through software. The pin assignments are shown in the following table:

DB9 Male Port

12345

6789

Serial Console Port

The serial console port is a 4-pin pin-header RS-232 port. It is designed for serial console
terminals, which are useful for viewing boot-up messages.

Serial Console Port & Pinouts

4
3
2
1

Pin Signal

1 TxD
2 RxD
3 NC
4 GND

RS-232/422/485 Pinouts

Pin RS-232 RS-422

1 DCD TxDA(-) TxDA(-) --­2 RxD TxDB(+) TxDB(+) --­3 TxD RxDB(+) RxDB(+) DataB(+)
4 DTR RxDA(-) RxDA(-) DataA(-)
5 GND GND GND GND
6 DSR --- --- --­7 RTS --- --- --­8 CTS --- --- ---

Serial Console Cable

RS-485

(4-wire)

RS-485

(2-wire)

SD Slot (W321 and W341 only)

Both the ThinkCore W321 and W341 include an SD slot for storage expansion. The SD slot allows
users to add up to 1 GB of additional memory by inserting a Secure Digital (SD) memory card
compliant with the SD 1.0 standard.

To install an SD card, remove the cover in order to access the slot. Insert the SD card into the slot
and push it in until it clicks. To remove the card, push the card in until it clicks to release, then pull
the card out.

3-4

ThinkCore W311/321/341 Hardware User’s Manual Hardware Connection Description

SD Slot

SD Slot

USB (W341 only)

The ThinkCore W341 i nclu de s tw o USB 2. 0 ho st s. These hosts can be used for an external flash
disk or hard drive in order to store large amounts of data.

Relay Output (W341 only)

The ThinkCore W341 includes a relay output channel. There is a 3-pin
terminal block for the relay output connection, with pinouts as shown in the
figure.

NO

RELAY

COM

NC

3-5

A

A

Appendix A FCC Warning 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 or more of the following measures:

y Reorient or relocate the receiving antenna.
y Increase the separation between the equipment and receiver.
y Connect the equipment into an outlet on a circuit different from that to which the receiver is

connected.

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

CAUTION:

Any changes or modifications not expressly approved by the party responsible for compliance
could void the user’s authority to operate the equipment.

Prohibition of co-location

This device and its antenna(s) must not be co-located or operating in conjunction with any other
antenna or transmitter.

Safety Information

To maintain compliance with FCC’s RF exposure guidelines, when installing and/or operating this
equipment, you should maintain a minimum distance of 20 cm between the transmitter and your
body. Use only the supplied antenna. Unauthorized antennae, modifications, or attachments could
damage the transmitter and may violate FCC regulations.

B

B

Appendix B Service Information

This appendix shows you how to contact MOXA for information about this and other products,
and how to report problems.

The following topics are covered in this appendix:

 MOXA Internet Services


Problem Report Form



Product Return Procedure

ThinkCore W311/321/341 Hardware User’s Manual Service Information

MOXA Internet Services

Customer satisfaction is our number one concern, and to ensure that customers receive the full
benefit of our products, MOXA Internet Services has been set up to provide technical support,
driver updates, product information, and user’s manual updates.

The following services are provided

E-mail for technical support................................

World Wide Web (WWW) Site for product information:

.............................

[e-mail]

http://www.moxa.com

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ThinkCore W311/321/341 Hardware User’s Manual Service Information

Problem Report Form

MOXA ThinkCore W311/321/341 Series

Customer name:
Company:
Tel: Fax:
Email: Date:

1. MOXA Product:  ThinkCore W311  ThinkCore W321  ThinkCore W341

2. Serial Number: _________________

Problem Description: Please describe the problem clearly. Include as many details as you can. This will help us

reproduce the problem, and expedite the repair of your product.

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ThinkCore W311/321/341 Hardware User’s Manual Service Information

Product Return Procedure

For product repair, exchange, or refund, the customer must:

 Provide evidence of original purchase.
 Obtain a Product Return Agreement (PRA) from the sales representative or dealer.
 Fill out the Problem Report Form (PRF). Include as much detail as possible for a shorter

product repair time.

 Carefully pack the product in an anti-static package, and send it, pre-paid, to the dealer. The

PRA should be visible on the outside of the package, and include a description of the problem,
along with the return address and telephone number of a technical contact.

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