Moxa Technologies ThinkCore DA-660-8-CE, ThinkCore DA-660-16-CE User Manual

ThinkCore DA-660-8/16-CE

User’s Manual

Second Edition, May 2006

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ThinkCore DA-660-8/16-CE 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 © 2006 Moxa Systems Co., Ltd.

All rights reserved.

Reproduction without permi ssion is pr ohibited.

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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 Technologies
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

Model Descriptions and Features...............................................................................1-2

Hardware Specifications............................................................................................. 1-2

Software Features.....................................................................................................................1-3

Applications Development Environment....................................................................1-3

Networking and Communications Capabilities.......................................................... 1-4

Supported Servers and Daemons................................................................................ 1-4

Obtaining the Firmware Build Version ....................................................................................1-5

Memory and File Systems........................................................................................................1-5

Hive-Based Registry................................................................................................................1-5

RS-232/422/485 Serial Ports.................................................................................................... 1-5

Chapter 2 Getting Started .............................................................................................2-1

Starting Your DA-660 Computer .............................................................................................2-2

Resetting Your DA-660 Computer...........................................................................................2-2

Operating Your DA-660 Computer Via Serial Console ........................................................... 2-2

Changing the Network Settings ...............................................................................................2-2

Operating Your DA-660 Computer Vi a Telnet Client ..............................................................2-3

User/Group Management......................................................................................................... 2-3

Adjusting System Time and RTC Time....................................................................................2-4

Starting and Stopping Services................................................................................................2-5

Troubleshooting Network Connectivity................................................................................... 2-5

Simple Network Management Protocol (SNMP)..................................................................... 2-6

SNMP Agent ..............................................................................................................2-6

SNMP Manager.......................................................................................................... 2-7

Chapter 3 Web-based Management System ...............................................................3-1

System Information.................................................................................................................. 3-2

Networking/Server Configuration............................................................................................3-2

Serial Port Configuration.........................................................................................................3-3

Process (Thread) Monitoring/Control...................................................................................... 3-3

Launching Processes Automatically.........................................................................................3-4

Services Monitoring/Control.................................................................................................... 3-4

Binary/Text File Management..................................................................................................3-5

Chapter 4 Application Development............................................................................4-1

Installing Development Tools (IDEs).......................................................................................4-2

VB.NET/C# Applications: Using Visual Studio 2005 ............................................... 4-2

C/C++ Applications: Using eMbedded Visual C++ (eVC) 4.0.................................. 4-2

Installing MOXA Windows® CE 5.0 C/C++ SDKs................................................................ 4-3

Developing Applications with IDEs.........................................................................................4-6

Developing eMbedded Visual C++ 4.0 applications with an imported SDK............. 4-7

Developing VB.NET / C# applications with a .NET Compact Framework...............4-8

Visual Studio 2005 Remote Tools ............................................................................................4-9

Using Visual Studio C#, VB.Net or C++ 2005 Express............................................. 4-9

Remote Tool # 1: Application Debugger..................................................................4-11

Remote Tool #2: Remote File Explorer....................................................................4-15

Chapter 5 Programming Examples..............................................................................5-1

Embedded Vi sual C++4 Examples...........................................................................................5-1

Example #1—MOXA UART Supporting RS-232/422/485....................................... 5-2

Example #2—Buzzer..................................................................................................5-5

Visual Studio 2005 C# Examples............................................................................................. 5-5

Example #1—MOXA UART Supports RS-232/422/485...........................................5-6

Example #2—Buzzer..................................................................................................5-9

Example #3—Real Time Clock................................................................................ 5-10

Frequently Asked Questions .................................................................................................. 5-10

Appendix A Using the LCM Keypad...............................................................................A-0

Appendix B Firmware Upgrade Procedure....................................................................B-0

Appendix C Service Information.....................................................................................C-1

MOXA Internet Services..........................................................................................................C-2

Problem Report Form...............................................................................................................C-3

Product Return Procedure........................................................................................................C-4

1

1

Chapter 1 Introduction

Microsoft® Windows® CE 5.0 is an open, scalable, 32-bit operating system (OS) that allows you
to build a wide range of innovative, small footprint devices. A typical Windows® CE-based device
is designed for a specific use, and often runs disconnected from other computers, or distributed as
a front-end to a centralized host. Examples include enterprise tools, such as industrial controllers,
communications hubs, and point-of-sale terminals, and display devices, such as HMI,
advertisement appliances, and interactive panels.

The ThinkCore DA-660 WinCE series of ready-to-run embedded computers includes the 8-port
DA-660-8-CE and the 16-port DA-660-16-CE.

The following topics are covered in this chapter:

 Overview

¾ Package Checklist
¾ Model Descriptions and Product Features
¾ Product Hardware Specifications

 Software Features

¾ Applications Development Environment
¾ Networking and Communications Capabilities

¾ Supported Servers and Daemons
 Obtaining the Firmware Build Version
 Memory and File Systems
 Hive-Based Registry
 RS-232/422/485 Serial Ports

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Overview

The ThinkCore DA-660 WinCE embedded computer is ideal for reliable, small-footprint,
programmable, communication-centric applications. DA-660 uses an Intel XScale IXP-422
RISC-based CPU running at a clock rate of 266 MHz. Unlike the CISC architecture under an X86
CPU, the RISC design supports compact instruction sets. A RISC-based CPU generates less heat
and consequently enhances reliability. To provide sufficient data storage and run- time memory for
your applications, DA-660 integrates 32 MB of Flash memory and 128 MB of SDRAM. In
addition, the DA-660 has two LAN ports and 8 or 16 serial ports to extend its communication
capabilities. Two efficient LAN ports support high-performance data transmission over the
Intranet/Internet. Each serial port supports an RS-232/422/485 3-in-1 operation mode switch to
provide centrally-controlled connectivity to diverse serial devices.

The Da-660 WinCE system is built on the Microsoft® Windows® CE 5.0 operating system (OS).
Using a common, widely used programming environment makes DA-660 suitable for new system
development and legacy system migration.

The hardware and software capabilities of the Da-660 WinCE system make it an ideal computing
platform for data acquisition and transmission applications.

Package Checklist

Before installing the Da-660 WinCE system, verify that the package contains the following items.

y 1 ThinkCore DA-6 60 Wi nC E
y 19-inch Rackmount Kit
y ThinkCore DA-660 WinCE Quick Installation Guide
y ThinkCore DA-660 WinC E D ocument & Software CD
y Cross-over Ethernet cable
y CBL-RJ45M9-150: 150 cm, 8-pin RJ45 to male DB9 serial port cable
y CBL-RJ45F9-150: 150 cm, 8-pin RJ45 to female DB9 console port cable
y Power Cord
y Product Warranty Sheet

Notify your sales representative if any of above items is missing or damaged.

Model Descriptions and Features

The Da-660 WinCE Series (referred to in this manual as DA-660) consists of two models. Both
models have exactly the same software features and hardware specifications, but DA-660-8-CE
has 8 serial ports and DA-660-16-CE has 16 serial ports.

The following table lists the hardware specifications of the models in more detail.

Hardware Specifications

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1-3

Model DA-660-8-CE DA-660-16-CE

CPU

Intel XScale IXP-422 266 MHz

RAM

128 MB

Flash

32 MB

LAN

Auto-sensing 10/100 Mbps × 2 with built-in 1.5 KV magnetic

isolation protection, RJ45 Connector

Serial Port

RS-232/422/485 × 8

RJ45 Connector

RS-232/422/485 × 16

RJ45 Connector

Serial Protection

15 KV ESD

Data Bits

5, 6, 7, 8

Stop Bits

1, 1.5, 2

Parity

None, Even, Odd, Space, Mark

Flow Control

RTS/CTS, XON/X OF F, RS-485 ADDC™

Speed

50 bps to 921.6 Kbps

Serial Console

RS-232 × 1, RJ45 Connector

LCM

128 × 32 dots

Keypad

4 buttons

Real Time Clock

Yes

Buzzer

Yes

Reset Button

Reset to Default × 1

Power Input

100- to 240 VAC/VDC auto ranging (47 to 63 Hz for AC input)

Power Consumption

12W

Dimensions
(W × D × H)

480 × 198 × 45 mm (with rack-mount ears)

440 × 198 × 45 mm (without rack-mount ears)

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: CE Class A, FCC Class A

Safety: UL, CUL, TUV

Warranty

5 years

Software Features

DA-660 ready-to-run embedded computers are network-centric, head-less computers that are
designed to be programmable for embedded communication applications.

Applications Development Environment

The Windows® CE operating system provides an easy-to-use programming environment for the
DA-660. In fact WinCE’s popular applicat ion development features make programming as
convenient and easy as in a PC environment.

y C Libraries and Run-times—Compared to the C libraries and run-times used on a desktop

PC running Windows®, the C libraries and run-times on a DA-660 WinCE are a subset of the

WIN32 APIs. The system supports a full ANSI C run-time, standard input/output library,

standard input/output ASCII library, and standard ASCII string functions. In addition,

compiler C++ exception handling and Run-Time Type Information (RTTI) equivalent to

desktop C++ compilers are supported.
y Component Services (COM and DCOM)—The Common Object Model (COM) is an

operating system-independent, object-oriented system for creating binary software

components that can interact with other COM-based components in the same process space, in

other processes, or on remote machines.

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y Microsoft® Foundation Classes (MFC)—MFC is a comprehensive class library and

complete object-oriented application framework designed to help build applications, COM

components, and controls.
y SOAP Toolkit—SOAP is an XML-based protocol for object exchange and remote procedure

calls. Microsoft® Windows® CE 5.0 provides functionality similar to the SOAP Toolkit

version 2 on the desktop. It provides a layer that allows COM objects to use SOAP as the

transport protocol for remote procedure calls and to interact with Web services.
y Microsoft® .NET Compact Framework 2.0—Offers a choice of programming languages,

initially Microsoft® Visual Basic® and Microsoft® Visual C#, and eliminates the common

problems faced with language interoperability.
y XML—Provides the Document Object Model (DOM) for base XML functionality, support for

XML Query Language (XQL) and XPATH, Extensible Style Sheet Language

Transformations (XSLT) that enables you to transform one class of XML document to another,

SAX2 support for event-based parsing of XML documents (including MSXML Writer), and

parsing based on Simple API for XML (SAX) for resource-constrained target devices.
y Winsock 2.2—Provides enhanced capabilities over Winsock 1.1, including installable service

providers for additional third-party protocols, and Media sense.

Networking and Communications Capabilities

For network centric embedded application usage, DA-660 not only provides powerful
communication hardware interfaces, including dual Ethernet and 3-in-1 serial ports, but also
supports the networking and communications capabilities that are built into the Windows® CE 5.0
OS. The following features are supported:

y Simple Network Management Protocol (SNMP)—Monitors remote connections to the

network.
y Simple Network Time Protocol (SNTP) Client—Provides support for synchronizing the

device’s system time with an SNTP server, and supports Daylight Savings Time.
y Serial Communications—In addition to the 16550 UART driver bound to a debug port and

the console port, a special driver for 8 or 16 additional MOXA home-made serial ports is also

included.
y Network Utilities (IpConfig, Ping, Route)—Utilities for troubleshooting various network

problems.
y TCP/IP—Includes IP, Address Resolution (ARP), Internet Control Message (ICMP), Internet

Group Membership (IGMP), Transmission Control (TCP), User Datagram (UDP), name

resolution and registration, and DHCP.

Supported Servers and Daemons

In addition to the development and communication capabilities mentioned above, DA-660 embeds
the services and daemons listed below. These common and easy-to-use application servers help
users migrate the DA-660 embedded computer to industrial communication applications easily and
conveniently.

y Telnet Server—A sample server that allows remote administration through a standard Telnet

client.
y FTP Server—A sample server used for transferring files to and from remote computer

systems over a network using TCP/IP.
y Web Server (HTTPD)—Includes ASP, ISAPI Secure Socket Layer support, SSL 2, SSL 3,

Transport Layer Security (TLS/SSL 3.1) public key-based protocols, and Web Administration

ISAPI Extensions.
y Dial-up Networking—Consists of a RAS client API and Point to Point Protocol (PPP). RAS

and PPP support Extensible Authentication Protocol (EAP) and RAS scripting.

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Obtaining the Firmware Build Version

There are three ways to obtain the firmware version of the DA-660 embedded computer. This
information is particularly important for feature identification.

y Examine the welcome message after you log on to the computer.
y Log on to the Web-based management system (described in a later chapter) to view the system

information.
y Check the firmware version on the LCM display.

Memory and File Systems

The operating system and user applications occupy about 112 MB of the 128 MB of SDRAM. The
kernel image occupies the rest of the space.

DA-660’s internal file system controls access to the ROM, and also provides file storage in the
object store, which is in the RAM. The ROM file system provides persistent storage for
applications and related data, even when the main power supply is lost. The ROM file system
integrates the read-only files that are stored in Flash ROM with the read/write files of both an
application and a user. A child directory named “NORFlash” under the root directory indicates the
ROM storage of the flash memory of size 15.5 MB.

The root directory is a RAM file system of size 15.5 MB. The root directory can be used for
storing temporary files for your applications. Do not place persistent files or applications in the
root directory because they will be deleted when the system is shut down. Instead, place them in
the directory “NORFlash.”

The internal file system supports TFAT (Transaction-Safe File Allocation Table), which is safer
than FAT. TFAT protects the file system from write corruption in critical times, such as power loss.
During power loss, the file state is rolled back. In addition, TFAT is a superset of FAT. This means
that the internal file system of the embedded computer provides the ability to mount external FAT
file systems.

Hive-Based Registry

The registry for DA-660 is a hive-based registry instead of a RAM- based registry. The hive-based
registry stores registry data inside files, or hives, which can be kept on any file system. This
eliminates the need for performing backup and restore on power off.

RS-232/422/485 Serial Ports

The DA-660 embedded computer comes with two embedded serial ports, named COM1 and
COM2. COM1 is hidden inside the box case for debugging purposes when developing firmware.
COM2 is used as the console port. Although the console por t can be use d whe n developing
applications (e.g., data acquisition and control), we suggest that you always use the serial ports
located on the front of the device for your applications, and reserve COM2 for console access.

The additional serial ports are named COM3, COM4, etc., reading from left to right. The ports are
designed for reliable, high-speed data transmission. The ports are 3-in-1 (i.e., they can be set for
RS-232, RS-422, or RS-485) to make them suitable for many different applications. Each of the
ports supports a baudrate up to 921600 bps.

2

2

Chapter 2 Getting Started

In this chapter, we explain how to use a PC to operate a DA-660 computer. For clarity, the PC is
referred to as a development workstation and the DA-660 computer is called a target computer.

In addition, manual steps are described to facilitate operations such as system time adjustment,
troubleshooting network connecti vit y , etc. Some of these operations can be done via system
commands after gaining access to the computer and others can be done by a Web-based
management system, which is described in a later chapter.

The following topics are covered in this chapter:

 Starting Your DA-660 Computer
 Resetting Your DA-660 Computer
 Operating Your DA-660 Computer Via Serial Console
 Changing the Network Settings
 Operating Your DA-660 Computer Via Telnet Client
 User/Group Management
 Adjusting System Time and RTC Time
 Starting and Stopping Services
 Troubleshooting Network Connectivity
 Simple Network Management Protocol (SNMP)

¾ SNMP Agent

¾ SNMP Manager

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Starting Your DA-660 Computer

Connect the power cord that is shipped with the package to the AC/DC power connector (located
on the right side of the rear panel) of the target computer. It takes about 30 to 60 seconds for the
system to boot up. Once the system is ready, the Ready LED lights up and glows steadily till the
computer is shutdown and the computer displays its model name and firmware version on the
LCM.

Resetting Your DA-660 Computer

Cold-Start: Switch off and then switch on the power again. The computer reboots itself right

away.
Resetting to Factory Defaults: To reset the system back to factory default settings, press and hold

the Reset to Default button for at least 5 seconds. The buzzer sounds while the factory default
settings are loaded. After the factory default settings have been loaded, the computer reboots itself.

Operating Your DA-660 Computer Via Serial Console

The serial console port (next to two LAN ports) gives users a convenient way of connecting the
development workstation to the console utility of the target computer. This method is particularly
useful when using the computer for the first time.

After you have wired a serial cable, go back to the development workstation and start a terminal
program (e.g., HyperTerminal) by using the settings shown below for the serial console port.

Baudrate

115200 bps

Parity

None

Data bits

8

Stop bits

1

Flow Control

None

Terminal

ANSI

After a successful connection, type the login name and password as requested to logon the
computer. The default values are both “admin”.

Login: admin
Password: admin

Changing the Network Settings

The DA-660 computer comes with two network interfaces. The default IP addresses and netmasks
of the network interfaces are as follows:

Default IP Address Netmask
LAN 1

192.168.3.127 255.255.255.0

LAN 2

192.168.4.127 255.255.255.0

Normally, you are required to change them because they are located on a different local network
from that of your development workstation. Use the command netconfig to complete the task.
Type netconfig -h to examine the usage of the command.

\> netconfig -h
Usage: netconfig –n <“LAN1” or “LAN2”> [-m <netmask>] [-d <DNS server>] [-g <gateway>]

[-i <IP address>]

For example, your development workstation has a LAN port at 192.168.1.x and the Domain Name

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Server (DNS) is at 192.168.2.6. Execute the following command.

\> netconfig –n LAN1 –i 192.168.1.5 –m 255.255.255.0 –g 192.168.1.254 –d 192.168.2.6

Use command netconfig to view the new settings.

\> netconfig
LAN1 Interface Configuration:
IP Address: 192.168.1.5
SubNet Mask: 255.255.255.0
Gateway: 192.168.1.254
DNS: 192.168.2.6

LAN2 Interface Configuration:
IP Address: 192.168.4.127
SubNet Mask: 255.255.255.0
Gateway:
DNS:

Operating Your DA-660 Computer Via Telnet Client

Before operating your target computer using the Telnet client, we suggest that you change the
network settings of the computer (see the earlier section) to have at least one of the two network
ports situated in the same LAN as your development workstation.

Use a cross-over Ethernet cable to connect your development workstation directly to the target
computer, or a straight-through Ethernet cable to connect the computer to a LAN hub or switch.
Next, use a Telnet client in your development workstation to make a connection to the Telnet
console utility of the target computer. Upon a successful connection, type the login name and
password as requested to log on to the computer.

After passing the authentication validity check, a group of command s will be available to operate
the computer. Use HELP to display all of the commands, or type HELP [command name] to
display extended help for the selected command. Some of these commands, such as DATE and

TIME, are very useful for managing the system time of the computer. Other commands, such as
DIR and MKDIR, are good utilities for file management. For example, to inspect the file structure
of the root directory, type DIR

\> dir /b
NORFlash
My Documents
Program Files
Temp
Windows

User/Group Management

User Group: You often want the target computer to be accessible by multiple users with different
needs. For example, a specific service, such as ftp or telnet, is accessible only by the users within
the permissible group. By default, three user groups, namely ftpd, telnetd, and administrators are
pre-created for your convenience.

Adding a Group: Use the command useradd –g <groupName> to create a user group.

\> useradd –g yyyy
group yyyy has been added.

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Deleting a Group: To remove a group, use the command userdel –g <groupName>.

\> userdel –g yyyy
group yyyy has been removed.

Adding a User: Use the command useradd <newUserID> to add a user for accessing the system.
The user’s password, by default, is the same as the user name.

\> useradd xxxx
user xxxx has been added.

In addition, you can permit this user to access a particular service by typing -g followed by the user
group name of the service, i.e., useradd –g <groupName> <newUserID>. For example,

\> useradd –g telnetd xxxx
user xxxx is existent
group telnetd is existent
user xxxx has been added to group yyyy

Deleting a User: Use the command userdel <userID> to delete a user from the system. User
“admin” CANNOT be deleted.

\> userdel xxxx
user xxxx has been deleted

You can also just remove a user from a user group by using the command userdel –g
<groupName> <newUserID>. For example,

\> userdel –g yyyy xxxx
user xxxx has been removed from group yyyy

Changing the Password: Use the command “passwd <userID>” to change your login password.
The user’s password, by default, is the same as the user name.

\> passwd xxxx
Current password:
New password:
Retype new password:
Password has been changed

Adjusting System Time and RTC Time

The DA-660 computer has two time settings, the system time (or CPU clock) and the RTC (Real
Time Clock) time. The system time regulates the execution of instructions and the RTC keeps
track of the time even when the computer is turned off. RTC time runs on a special battery that is
not connected to the normal power supply. Do not confuse a computer's real-time clock with its
CPU clock.

Setting the System Time Manually: Use the date, and time commands to query the current
system date/time or to set a new system date/time.

\> date
The current date is: Tuesday, November 22, 2005
Enter the new date (mm-dd-[yy]yy): 12-23-05

\> date /T
Wednesday, November 23, 2005

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\> time
The current time is: 5:27:17 PM
Enter the new time (hh:mm:ss): 16:02:00

\> time /T
4:02:04 PM

Adjusting RTC Time: Use the command hwclock -w to convert the system time to the RTC time.

\> hwclock -w

Use the command hwclock –w YYYY-MM-DD hh:mm:ss to manually update the RTC time.

\> hwclock –w 2005-12-23 15:00:00

Use the command hwclock to query the updated RTC time.

\> hwclock
2005-12-23 15:00:00

Starting and Stopping Services

After booting up, the DA-660 computer runs several services continuously to serve requests from
users or other programs. Notable services include telnet (“TEL0:”), console (“CON0:”), world
wide web HTTP (“HTP0:”), and file transfer FTP (“FTP0:”) etc. You seldom need to care about
these services. However, you still can start up or stop a service with its associated name by using
the command “services”. For example,

Start the FTP service by

\> services start FTP0:

Stop the FTP service by

\> services stop FTP0:

Troubleshooting Network Connectivity

The ipconfig tool prints the TCP/IP-related configuration data of a host including the IP addresses,
gateway and DNS servers.

\> ipconfig /all
Windows IP configuration
Ethernet adapter Local Area Connection:
IP Address: 192.168.4.127
Subnet Mask: 255.255.255.0
Adapter Name: IXP425ETHNPE2
Description: IXP425ETHNPE2
Adapter Index: 2
Address: 80 86 33 33 34 12
DHCP Enabled: NO
Ethernet adapter Local Area Connection:
IP Address: 192.168.14.202
Subnet Mask: 255.255.248.0
Default Gateway: 192.168.15.254
Adapter Name: IXP425ETHNPE1
Description: IXP425ETHNPE1

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Adapter Index: 3
Address: 78 56 34 91 cc dd
DHCP Enabled: NO

Host name: DA660CE
Domain Name:
DNS Servers: 192.168.1.6
NODETYPE: 8
Routing Enabled: NO
Proxy Enabled: NO

To troubleshoot network connectivity, reachability, and name resolution, use the ping command.
This command verifies IP-level connectivity to another TCP/IP computer by sending Internet
Control Message Protocol (ICMP) Echo Request messages. The corresponding return Echo Reply
messages are displayed, along with round-trip times. For more information, type ping without
parameters.

\> ping www.moxa.com
Pinging Host www.moxa.com [192.168.1.16]
Reply from 192.168.1.16: Echo size=32 time<1ms TTL=126
Reply from 192.168.1.16: Echo size=32 time<1ms TTL=126
Reply from 192.168.1.16: Echo size=32 time<1ms TTL=126

The route utility allows you to view or modify network routing tables. Type this command
without parameters to view a list of functions.

\> route

To view current routing items in the tables,

\> route PRINT

To add a routing item on network interface 1,

\> route ADD 192.168.0.0 MASK 255.255.0.0 192.168.15.254 IF 2

To delete a routing item,

\> route DELETE 192.168.0.0

Simple Network Management Protocol (SNMP)

SNMP is the Internet Standard protocol for network management and part of the TCP/IP protocol
suite. SNMP was developed to monitor and manage networks. It uses a distributed architecture that
consists of agents and managers:

SNMP Agent

The SNMP agent is an SNMP application that monitors network traffic and responds to queries
from SNMP manager applications. The agent also notifies the manager, by sending a trap, when
significant events occur.

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SNMP Manager

An SNMP manager is an SNMP application that generates queries to SNMP-agent applications
and receives traps from SNMP-agent applications.

The DA-660 computer installs an SNMP agent to serve as an SNMP device. You should install the
SNMP manager on the workstation computer (for example, a Linux system) that monitors the
network. After installing the nodes, you need to configure the SNMP manager and agent.

To check SNMP agent capabilities in a target computer (e.g, network IP at 192.168.3.127), please
logon the workstation computer that, for example, a Linux-based computer, the SNMP manager
resides and type

\> snmpwalk -v 2c -c public 192.168.3.127 system
SNMPv2-MIB::sysDescr.0 Microsoft Windows CE Version 5.0 (Build 1400)
SNMPv2-MIB::sysObjectID.0 SNMPv2-SMI::enterprises.8691.13.7420
SNMPv2-MIB::sysUpTime.0 1282929
SNMPv2-MIB::sysContact.0 Your System Contact Here
SNMPv2-MIB::sysName.0 WindowsCE

You will see a series of messages from the SNMP agent. From there, you can monitor and manage
the computer.

3

3

Chapter 3 Web-based Management System

Note: Internet Explorer 5.5 or above is required to use the web based management system.

DA-660 ready-to-run embedded computers are network-centric platforms designed to be used as
front-end computers for data acquisition and industrial control. Due to the distributed
characteristics of the devices that these computers control, they often reside in harsh areas as the
devices themselves and are away from system administrators. To manage t hese computers,
operations such as networking/server configuration, file management, and process (thread)
monitoring/control become a critical area to consider.

A web-based management system is installed on the DA-660 computer to resolve these
management issues, and to reduce the amount of work required by system administrators. The
system incorporates often-used features in the CGI and categorizes using a menu bar.

Before operating the system, make sure you have a network connection from your PC to the target
computer, and verify that you can open an Internet browser from your PC after the connection is
established. Then, use the IP address of the target computer as a home page URL. After the main
screen is displayed, click Web-Based Management.

Input your authentication data, including user ID and password, in the corresponding fields (both
the ID and password are case sensitive) and then press Enter to request access to the management
system.

The default User ID and Password are:

User ID: admin
Password: admin

The following topics are covered in this chapter:

 System Information
 Netowrking/Server Configuration
 Serial Port Configuration
 Process (Thread) Monitoring/Control
 Launching Processes Automatically
 Services Monitoring/Control
 Binary/Text File Management

ThinkCore DA-660 WinCE User’s Manual Web-based Management System

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System Information

After you logon successfully, the main page displays the system information of the target computer,
including the firmware version of the computer, the CPU system time, and system resources
including main memory and file system usage (RAM and Flash).

Networking/Server Configuration

The target computer has two network interfaces. To view or change their settings, click the
Networking item on the menu bar. After the page loads, enter the relevant details on the
corresponding text fields and then click “Update” to make the changes effective for the interfaces.