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Atop GW21W-MAXI User Manual

Ablelink serial-ethernet server
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Atop ABLELink
Serial-Ethernet
®
Server GW21W-MAXI
User Manual
Version 1.2
Updated on 2004/2/27
Tel: 886-3-5508137
Fax: 886-3-5508131
www.atop.com.tw

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Summary of Contents for Atop GW21W-MAXI

  • Page 1 Atop ABLELink Serial-Ethernet ® Server GW21W-MAXI User Manual Version 1.2 Updated on 2004/2/27 Tel: 886-3-5508137 Fax: 886-3-5508131 www.atop.com.tw...
  • Page 2 The information contained in this document is the property of Atop Technologies, Inc. and is supplied for the sole purpose of the operation and maintenance of products of Atop Technologies, Inc. No part of this publication is to be used for any other purposes, and it is not to be reproduced, copied, disclosed, transmitted, stored in a retrieval system, or translated into any human or computer language, in any form, by any means, in whole or in part, without the prior express written consent of Atop Technologies, Inc.
  • Page 3 Be cautioned that changes or modifications not expressly approved by the party responsible for compliance could void your authority to operate the equipment. ATOP declared that GW21W-MAXI is limited in CH1~11 by specified firmware controlled in USA. Copyright © 2003 Atop Technologies, Inc.

  • Page 4: Table Of Contents

    TCPTEST.EXE TCPTEST2.EXE S ..........41 AMPLE ROGRAM APPENDIX GW21W-MAXI SERIAL-ETHERNET SERVER SPECIFICATIONS ..................42 A.1. H ....................42 ARDWARE PECIFICATIONS A.2. S ....................43 OFTWARE PECIFICATIONS Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 3 / 54...
  • Page 5 IRMWARE APPENDIX D CONFIGURATION UTILITY...........51 D.1 R ......................... 51 UN THE UTILITY D.2 D ..................51 ETECT PERATIONAL EVICES D.3 C ......................51 ONFIGURE EVICES Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 4 / 54...

  • Page 6: Introduction

    RS-232/RS-485 serial communication has its limitations. For one, it is hard to transfer data through a long distance. With Atop GW21W-MAXI, it is possible to communicate with a remote device in the Intranet environment or even in the Internet and thus, increases the communication distance dramatically.

  • Page 7: Application Connectivity

    Access Point GW21W-MAXI RS-232/RS-485 TCP Client mode Host Access Point GW21W-MAXI GW21W-MAXI GW21W-MAXI RS-232 RS-232 RS-232 /RS-485 /RS-485 /RS-485 Card Reader Card Reader Card Reader Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 6 / 54...
  • Page 8 User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI UDP mode Access Point GW21W-MAXI RS-232/RS-485 Display Tunneling mode GW21W-MAXI GW21W-MAXI RS-232/RS-485 RS-232/RS-485 Touch Screen Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 7 / 54...

  • Page 9: Nomenclature And Settings

    User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI 2. Nomenclature and Settings 2.1 Nomenclature of GW21W-MAXI Components Figure 2.1 shows the names of GW21W-MAXI components. In the figure, the indicated switch settings represent factory settings. Led Indicator Antenna Mode Switch...

  • Page 10: Hardware Installation

    3.2 Assigning a new IP Address by ARP command Arp –s is used to assign a static IP address of GW21W-MAXI and add this static entries to the Arp cache of the computer, when TCP/IP packet with destination port number 1 is sent to GW21W-MAXI, it causes the device to check its MAC address with IP address, once GW21W-MAXI finds those two unmatched, it will reboot and change to the new IP address which was set by Arp –s command.

  • Page 11: Tcp/Ip Port Number

    GW21W-MAXI Note: 1. Arp command can only be used to set a static IP address of GW21W-MAXI using system default user name admin and default password null. 2. Only TCP/IP packet with destination port number 1 will lead GW21W-MAXI to reboot and change the IP address.

  • Page 12: Software Configuration

    GW21W-MAXI. As you can see from the following picture, you can change IP address, gateway IP address, subnet mask, user ID and password of GW21W-MAXI from the utility. For more details of the utility please refer to Appendix-D Configuration Utility.
  • Page 13 1. If GW21W-MAXI does not receive any command within 1 minute, Telnet will be terminated automatically. 2. The changes of networking parameters will take effect only when you exit and restart GW21W-MAXI. 3. Select “1” from “Input choice and enter (0~5):” to enter overview page as following: This page gives you the general information of GW21W-MAXI including IP and MAC address, SNMP information, kernel and AP version, and connection status of the device.
  • Page 14 This page allows you to change network settings of the device including IP address, subnet mask, gateway IP address and SNMP information of GW21W-MAXI. Please notice that any setting change made on this page won’t take effect until you restart the device.
  • Page 15 Type 1 from “Input choice and enter (1~4):” of COM1, the following screen appears. Configure GW21W-MAXI as TCP server and the local port is 4660. IP filter is disabled by default, if IP filter is enabled, only source IP 10.0.0.154 can connect to GW21W-MAXI.
  • Page 16 User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI Configure GW21W-MAXI as UDP client, the local port is 4660, the destination IP is 10.0.29.254, destination port is 666. COM port setting Type 2 from “Input choice and enter (1~4):” of COM1, the following screen appears, you can then give the Copyright ©...
  • Page 17 TCP/IP Ethernet connection is broken, serial data collected from serial device will be kept in GW21W-MAXI, once TCP/IP connection is resumed, the serial data will be sent through Ethernet connection, you can disable it if you wish.
  • Page 18 Packet delimiter is a way of controlling packets within serial communication. It can prevent packets from being cut thus keep the packets complete. GW21W-MAXI provides two ways of parameter setting as inter character timer and terminator. By default packet delimiter timer is 0 ms, you can change timer shown in the following figure: Copyright ©...
  • Page 19 Select “5” from “Input choice and enter (0~5):” the following screen appears. The above page gives you the general information about GW21W-MAXI wireless configurations including the access point it connects to, the current channel and transmitting rate it communicates with the other wireless devices, topology it uses, and what the ESSID (extended service set identifier) and WEP (wireless encryption protocol) are if you use them.
  • Page 20 You can choose either infrastructure or ad-hoc mode for GW21W-MAXI as indicated in the following figure: Wireless LAN Transmission Rate You can set GW21W-MAXI transmission rate as 1 Mbps, 2Mbps, 5.5Mbps, 11Mbps, or full auto based on 802.11 standard shown in the following figure: Copyright © 2003 Atop Technologies, Inc.
  • Page 21 Wireless LAN Ad-hoc channel You have to select the same channel for two wireless devices to talk to each other as indicated in the following figure: Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 20 / 54...
  • Page 22 SSID of the access point. However if there are two access points within the coverage of GW21W-MAXI, it will not connect to either of them, in this case you have to specifically input the ESSID of one of the access points for connection. From telnet you can input ESSID as indicated in the following figure: Copyright ©...
  • Page 23 Wireless Encryption Protocol or Wired Equivalent Protocol ( WEP ) Setting For security reason, GW21W-MAXI can set up to use WEP key of 40 bits or 128 bits to securely communicate in the wireless network. Telnet WEP key set up screen is as following: Copyright ©...

  • Page 24: Configuration Set By Hyper Terminal Console Utility

    6. Once hyper terminal is connected, type in username and password then the following hyper terminal window appears. 7. The following configuration operations are totally the same as those configure by telnet. 8. After finishing console settings, power off GW21W-MAXI, put SW1 and SW2 back to the previous setting. Copyright © 2003 Atop Technologies, Inc.

  • Page 25: Configuration Set By Web Browser

    It is also possible to modify various settings through the web server interface. To do so, please follow the steps below. Log in to the system 1. From web browser, type in the IP address of GW21W-MAXI in the URL. Example: http://10.0.50.100 2. The following authentication screen appears. Please type in user name and password then click on “OK”.
  • Page 26 Password” and the “Verified Password” fields. Then click on “Save Configuration” to update the password. Note: You can press the reset key of product to reset password to the default value. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 25 / 54...
  • Page 27 Enable SNMP by checking “Enable”, fill in network identification information under SNMP field and click on the “Save Configuration” button to save the changes, please notice that the setting will not become effective until you restart GW21W-MAXI. Copyright © 2003 Atop Technologies, Inc.
  • Page 28 Click on the “COM1” link and the following screen appears. Fill in COM1 parameter information under COM1 field then click on “Save Configuration” button to save the changes. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan.
  • Page 29 GW21W-MAXI LINK1 Setup 1. Click on the “COM1” link and the following screen appears, you can configure GW21W-MAXI as transparent mode by default. Configure GW21W-MAXI as TCP server and the local port is 4660, IP filter is disabled by default, if IP filter is enabled, only source IP 10.0.29.11 can connect to GW21W-MAXI.
  • Page 30 Wireless LAN Setup You can configure wireless LAN parameters through web pages, the following page gives you the information of the access point GW21W-MAXI is connected to, it also allows you to configure GW21W-MAXI’s wireless topology, ESSID and WEP security.

  • Page 31: Virtual Com Mode

    Virtual COM driver mode for windows converts COM data to LAN data to control the RS-232C port on a GW21W-MAXI via the LAN. By creating Virtual COM ports on the PC, Atop Virtual COM redirects the communications from the Virtual COM ports to an IP address and port number on a GW21W-MAXI that connects the serial line device to the network.

  • Page 32: Virtual Com Communication

    4.5.2.1 Enable Virtual COM on GW21W-MAXI From web browser access to GW21W-MAXI by typing its IP address, click on COM1 link to access COM1 page, on the top half of the page click on “TCP Server” and enable Virtual COM by putting a check in front of the “Enable”...
  • Page 33 User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 32 / 54...
  • Page 34 GW21W-MAXI 4.5.2.2 Run Serial/IP for ATOP program on monitoring PC In the Window Start Menu, select the Serial/IP for ATOP program group and select Serial/IP for ATOP Configuration. The configuration window is shown as following: At right is a sample Virtual COM Control Panel window.
  • Page 35 7. For COM Port Options, the settings must match the COM port behavior expected by the PC application that will use this COM port. The Configuration Wizard will recommend a combination of settings. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 34 / 54...

  • Page 36: Snmp Setup

    5. SNMP Setup 5.1 SNMP Network Management Platform Atop GW21W-MAXI is an SNMP device that allows many popular SNMP network management platforms such as HP OpenView and SunNet Manager to conduct monitoring on the device. Depending on the network management tools you are using, device (GW21W-MAXI) information can be collected from running the management tools including IP address, DNS name, system descriptions and NIC information etc.
  • Page 37 The NetworkView tool is limited to information extracting and viewing only. To modify the configurations please use the web server, Telnet or monitor.exe configuration utilities. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 36 / 54...
  • Page 38 User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 37 / 54...

  • Page 39: Start Writing Your Own Applications

    ABLELink Serial-Ethernet Server GW21W-MAXI 6. Start Writing Your Own Applications Before you start writing your host applications or programs to interact with GW21W-MAXI, please make sure you have done the following. 6.1 Preparing The System 1. Properly connect GW21W-MAXI hardware including power, Ethernet and RS-232/RS-485 cables.

  • Page 40: Tcptest2 In Visual C

    You can also use modem to connect to the serial server. Command "AT\Od" sends standard AT command to the modem which in return responds with "OK\0D\0A" message to the host application. Always use '=' then Enter key to exit the program. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 39 / 54...

  • Page 41: Diagnostics

    ABLELink Serial-Ethernet Server GW21W-MAXI 7. Diagnostics There are several ways you can check on the status and availability of GW21W-MAXI. 7.1 Use Standard TCP/IP Utility ping Command From Windows Start menu, select Run and type in “ping <TCP Server IP address>”.

  • Page 42: Use Tcptest.exe Or Tcptest2.Exe Sample Program

    7.3 Use TCPTEST.EXE or TCPTEST2.EXE Sample Program Use sample programs TCPTEST.EXE and TCPTEST2.EXE that comes with the product CD or diskette to check on the status of GW21W-MAXI. Please refer to chapter 6.2 to run the sample programs. Copyright © 2003 Atop Technologies, Inc.

  • Page 43: Appendix A: Gw21W-Maxi Serial-Ethernet Server Specifications

    User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI Appendix A: GW21W-MAXI Serial-Ethernet Server Specifications A.1. Hardware Specifications Specifications 16-bit Embedded CPU 100MHz Flash Memory 512K Bytes SDRAM 512K Bytes EEPROM 512 Bytes Host Communication IEEE802.11b 11 Mbps Wireless LAN TCP/IP, UDP, SNMP, HTTP, Telnet, ARP, BOOTP...

  • Page 44: Software Specifications

    RS-232/RS-485 receiving buffer size = 4K bytes RS-232/RS-485 transmitting buffer size = 4K bytes A.3 Connector Pin Assignments A.3.1 COM Port 1. 8 pin Mini DIN connector Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 43 / 54...
  • Page 45 SG (Signal Ground) SG (Signal Ground) RTS/R- RTS/R- CTS/T- N/A(reserved for Atop devices) Atop provides Mini DIN connector to DB9 connector cable, the pin assignments of DB9 connector is shown in the following table: RS-232 RS-485 RS-485 Pin# Full Duplex...

  • Page 46: Power Terminal Block Connector

    RS-485 only uses RTS/R- and TxD/R+ for data communication while RS-232 or RS-422 uses RTS/R-, TxD/R+, CTS/T- and RxD/T+ for communicating data. A.3.2 Power terminal block connector Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 45 / 54...

  • Page 47: Buzzer/Led Message

    Jumper JP7 and JP8 are short to disable AP firmware in the flash memory. LED blinking (rate: 0.5Sec) AP firmware is running Table 4. RUN LED Message Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 46 / 54...

  • Page 48: Appendix B. Upgrade System Software

    GW21W-MAXI Appendix B. Upgrade System Software After the new version of firmware is released, customers can download it from Atop’s web site at www.atop.com.tw. You can contact Atop’s sales person to request the newest product CD as well. You may decide to or not to upgrade the system’s firmware. To do so, please follow these instructions listed below.
  • Page 49 User manual Version 1.2 ABLELink Serial-Ethernet Server GW21W-MAXI 5. GW21W-MAXI will automatically restart each time the firmware is successfully downloaded. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 48 / 54...

  • Page 50: Critical Issues Of Upgrading

    1. You can always abort the upgrading process by pressing the <Esc> key from host PC during the upgrading process. GW21W-MAXI will restart automatically and the system remains intact. 2. If GW21W-MAXI does not receive any upgrading data within 30 seconds, GW21W-MAXI will restart automatically and the system remains intact.

  • Page 51: Appendix C. Hardware Configuration

    Appendix C. Hardware Configuration C.1 Disable System Firmware The AP (application program) firmware of GW21W-MAXI can be disabled. This function is used in the situation that you downloaded a wrong version of firmware that caused the system crashed. To disable the current version of firmware and prevent it from executing, please do the followings: 1.

  • Page 52: Appendix D Configuration Utility

    Appendix D Configuration Utility The configuration utility monitor.exe comes with the product CD or diskette is the main utility program to demonstrate and configure GW21W-MAXI’s settings. D.1 Run the utility Start the program under Windows 95/98/NT/2000 environment and the following window appears.
  • Page 53 3. After you click the “Configure Now” button, the target device will return an ACK message indicating the modification is successful as shown in the following: Please note monitor.exe version 2.3 and above requires gw21le.dll library to function properly. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 52 / 54...
  • Page 54 Indicates the AP version of the responding device. Model Indicates the model number of the responding device. This field is only available for monitor.exe version 2.0 and above. Copyright © 2003 Atop Technologies, Inc. All rights reserved. Designed in Taiwan. 53 / 54...

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