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Atop GW21W-MAXI, User Manual

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Atop GW21W-MAXI User Manual Download Page 18

User manual Version 1.2

 

ABLELink

 

Serial-Ethernet Server   

GW21W-MAXI

                                                         

 

           

 

Copyright © 2003 Atop Technologies, Inc. 

All rights reserved. Designed in Taiwan. 

17 / 54 

 

 

Setting packet delimiter 

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: 

 

Summary of Contents for 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: ...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...

Page 3: ...the instructions may cause harmful interference to radio communications Operation of this equipment in a residential area is likely to cause harmful interference in which case the user will be requir...

Page 4: ...4 3 CONFIGURATION SET BY HYPER TERMINAL CONSOLE UTILITY 23 4 4 CONFIGURATION SET BY WEB BROWSER 24 4 5 VIRTUAL COM MODE 30 4 5 1 Setup of a Virtual COM driver 30 4 5 2 Virtual COM communication 31 5 S...

Page 5: ...terminal block connector 45 A 4 BUZZER LED MESSAGE 46 Buzzer 46 LAN LED 46 COM Port LED 46 RUN LED 46 APPENDIX B UPGRADE SYSTEM SOFTWARE 47 B 1 UPGRADE PROCEDURES 47 B 2 CRITICAL ISSUES OF UPGRADING...

Page 6: ...am run in GW21W MAXI transforms whatever data received from RS 232 RS 485 to TCP UDP port then connects devices to the Ethernet network via a single application program or multiple application program...

Page 7: ...ologies Inc All rights reserved Designed in Taiwan 6 54 1 2 Application Connectivity TCP Server mode Host Access Point RS 232 RS 485 GW21W MAXI PLC TCP Client mode Host RS 232 RS 485 RS 232 RS 485 RS...

Page 8: ...hernet Server GW21W MAXI Copyright 2003 Atop Technologies Inc All rights reserved Designed in Taiwan 7 54 UDP mode GW21W MAXI Access Point RS 232 RS 485 Display Tunneling mode GW21W MAXI GW21W MAXI RS...

Page 9: ...Power Supply Input Connector Antenna RS232C Mini Din Pin Assignment Mode Switch Table Mode Switch Figure 2 1 Nomenclature of GW21W MAXI Components 2 2 MODE Switch This sets or initializes the operatin...

Page 10: ...table Property Default Value IP Address 10 0 50 100 Gateway 10 0 0 254 Subnet Mask 255 255 0 0 User Name admin Password Null COM 1 9600 None 8 1 No flow control buffer disabled packet delimiter timer...

Page 11: ...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 3 3 TCP IP Port Number Port number 4660 is default of GW21...

Page 12: ...ID and password of GW21W MAXI from the utility For more details of the utility please refer to Appendix D Configuration Utility 4 2 Configuration set by Telnet utility You can use Telnet utility to c...

Page 13: ...nd 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...

Page 14: ...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 Change the password 1 Select 3 from Input c...

Page 15: ...working mode port parameters enabling or disabling serial buffer s data and setting packet delimiter LINK1 Setup Type 1 from Input choice and enter 1 4 of COM1 the following screen appears Configure G...

Page 16: ...hnologies Inc All rights reserved Designed in Taiwan 15 54 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 f...

Page 17: ...e if you want to use flow control and the type of flow control you want to use Enabling serial data buffer Type 3 from Input choice and enter 1 4 of COM1 by default COM port serial data buffer is enab...

Page 18: ...tting packet delimiter 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...

Page 19: ...ccessing Wireless LAN setting 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...

Page 20: ...Designed in Taiwan 19 54 Wireless LAN topology 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...

Page 21: ...Server GW21W MAXI Copyright 2003 Atop Technologies Inc All rights reserved Designed in Taiwan 20 54 Wireless LAN Ad hoc channel You have to select the same channel for two wireless devices to talk to...

Page 22: ...cation which contains a single access point AP and several other nodes The following diagram illustrates this concept By default GW21W MAXI s ESSID is NULL meaning that it can connect to any access po...

Page 23: ...ies Inc All rights reserved Designed in Taiwan 22 54 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 bi...

Page 24: ...menu Programs Accessories Communication hyper terminal set COM1 parameters as follows Baud rate 9600bps Data bit 8 bits Parity None Stop bit 1bit Flow control None NOTE At present time baud rate is fi...

Page 25: ...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...

Page 26: ...nge the password 1 Click on the Security link and the following screen appears 2 Please input the old password in the Old Password field input the new password in the New Password and the Verified Pas...

Page 27: ...ork setup Click on the Networking link and the following screen appears Fill in IP information under TCP IP field Enable SNMP by checking Enable fill in network identification information under SNMP f...

Page 28: ...XI Copyright 2003 Atop Technologies Inc All rights reserved Designed in Taiwan 27 54 COM1 Setup Click on the COM1 link and the following screen appears Fill in COM1 parameter information under COM1 fi...

Page 29: ...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 ca...

Page 30: ...on Save Configuration to save the changes 3 If the update is successful the following screen appears Wireless LAN Setup You can configure wireless LAN parameters through web pages the following page g...

Page 31: ...a Virtual COM driver Correspondence OS Atop Virtual COM driver can be used on Windows XP Windows 2000 Windows NT 4 0 SP5 or later Windows Me or Windows 98 Microsoft NT 2000 Terminal Server Cautions on...

Page 32: ...Serial IP for ATOP to remove the program 4 5 2 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...

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: ...he changes are effective immediately There is no separate confirmation dialog to confirm or cancel your changes Configuring Virtual COM Ports You configure each Serial IP COM port as follows 1 Select...

Page 35: ...Panel to continue with the following steps 6 For Connection Protocol the setting must match the TCP IP protocol that the serial server supports The Configuration Wizard is usually able to determine th...

Page 36: ...criptions and NIC information etc 5 2 Using NetworkView As An Example The NetworkView is a compact network management tool from NetworkView Software Inc www networkview com It discovers all TCP IP nod...

Page 37: ...pleted NetworkView will display the devices found in the main window as shown in the following diagram 5 Double click on the device icon to display information about the device including IP Address Co...

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: ...COM1 5 Make sure GW21W MAXI is running by checking the running status through monitor exe configuration utility 6 2 Running The Sample Program Sample programs written in VB and VC included in package...

Page 40: ...erver of IP address 10 0 50 100 and port number 4660 the received data is displayed on the screen and the data typed in is sent to the TCP server of the designated port number You can also send binary...

Page 41: ...ion is established the Reply messages are displayed otherwise it will indicate Request timed out 7 2 Use monitor exe Configuration Utility Program Use monitor exe configuration program that comes with...

Page 42: ...esigned in Taiwan 41 54 For example s means that COM1 is server mode and is not connected 7 3 Use TCPTEST EXE or TCPTEST2 EXE Sample Program Use sample programs TCPTEST EXE and TCPTEST2 EXE that comes...

Page 43: ...1 34 second hardware auto reset Power failure threshold 4 75V Serial Port Communication One RS 232 or RS 485 selectable RS 232 EIA RS 232C standard Full Duplex 8 pins Mini DIN or 5 pins terminal block...

Page 44: ...OOTP Configuration Configuration information for both TCP IP and serial ports is kept in the EEPROM Configuration utilities of Windows 95 98 NT are provided for configuring settings Internal Buffer Si...

Page 45: ...ignal Ground 6 DSR N A N A 7 RTS RTS R RTS R 8 CTS N A CTS T 9 N A N A reserved for Atop devices N A Atop provides Mini DIN connector to DB9 connector cable the pin assignments of DB9 connector is sho...

Page 46: ...ht 2003 Atop Technologies Inc All rights reserved Designed in Taiwan 45 54 2 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 CT...

Page 47: ...ed 5sec Startup OK and AP firmware is enabled Table 1 RUN LED Message LAN LED Message Description LED Off No data is transmitting on Ethernet LED blinking Data is transmitting on Ethernet Table 2 LAN...

Page 48: ...your GW21W MAXI 1 Connect a PC Windows 95 98 NT 2000 and GW21W MAXI you wish to upgrade the firmware in the same TCP IP network Use command ping or monitor exe utility program to verify their availab...

Page 49: ...1 2 ABLELink Serial Ethernet Server GW21W MAXI Copyright 2003 Atop Technologies Inc All rights reserved Designed in Taiwan 48 54 5 GW21W MAXI will automatically restart each time the firmware is succ...

Page 50: ...s GW21W MAXI will program the flash memory and buzzer beeps 6 times then restarts Normally it takes around 10 seconds to complete the programming process If an error occurs during the programming proc...

Page 51: ...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 Turn the p...

Page 52: ...u may do the following steps to detect devices currently available on the network 1 Start monitor exe utility program 2 Select an item from the Broadcast IP list 3 Specify a number in the Wishes box 4...

Page 53: ...Inc All rights reserved Designed in Taiwan 52 54 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 follo...

Page 54: ...r of devices this utility program detected Retry Specify the number of times that an Invite request is re sent Locate Locate the specified device Reset Reset the selected device Config Configure the s...

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