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User’s Manual Version 1.3
Airolinx Wireless Serial-Ethernet Server
STW-601C

- 42 -

Appendix A: Using Virtual COM

Virtual COM driver mode for windows converts COM data to IP data to control the RS-232C port on a

STW via the IP. By creating Virtual COM ports on the PC, Virtual COM redirects the communications from

the Virtual COM ports to an IP address and port number on a STW that connects the serial line device to

the network. The following figure is Virtual COM connection diagram.

Fig. 62. Setup of a Virtual COM driver

A.1 Pre-installation

requirements

Please check the operation system on your PC complied with the following requirements:

z

Processor: Intel-compatible, Pentium class

z

Operation system: Windows Server 2003, Windows XP, Windows 2000, Windows NT 4.0 SP5 or
later, Windows Me, Windows 98, Windows 95, Microsoft NT/2000 Terminal Server, Citrix Meta
Frame

z

Windows Installer 2.0

z

Network:

Microsoft

TCP/IP

networking

software

A.2

Applying to the serial server

Cautions on Use

Virtual COM supports firmware AP v3.4 and above.

Limitation

Virtual COM driver provides user to select up to 256 COM ports as Virtual COM ports in a monitoring PC.
User can select them from a list of COM ports, which is from COM1 up to COM256.

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Summary of Contents for STW-601C

Page 1: ...Wireless Serial Ethernet Server STW 601C User s Manual Version 1 3 ...

Page 2: ...her 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 explicit written consent of Aaxeon Technologies Inc Published by Aaxeon Technologies Inc Toll Free 1 877 AAXEON 5 1 877 229 3665 e Mail info aaxeon com Website www aaxeon com Copyright ...

Page 3: ... antenna z Increase the separation between the equipment and receiver z Connect the equipment into an outlet on a circuit different from that to which the receiver is connected z Consult the dealer or an experienced radio TV technician for help 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 an...

Page 4: ... 8 TCP IP PORT NUMBER 10 4 SOFTWARE CONFIGURATION 11 4 1 CONFIGURATION SET BY MONITOR EXE UTILITY 11 4 2 CONFIGURATION SET BY TELNET UTILITY 11 4 2 1 GENERAL INFORMATION FROM OVERVIEW 12 4 2 2 NETWORKING SETTINGS 14 4 2 3 CONFIGURING SERIAL 17 4 2 4 CONFIGURING LINK MODE TCP SERVER MODE 17 4 2 5 CONFIGURING LINK MODE TCP CLIENT MODE 17 4 2 6 CONFIGURING LINK MODE UDP MODE 18 4 2 7 CONFIGURING SERI...

Page 5: ... DIFFERENT WIRELESS APPLICATIONS 33 4 4 2 CONFIGURING COM SETTING FROM SERIAL PAGE 36 4 4 3 CONFIGURING LINK MODE 36 4 4 4 CONFIGURING TCP SERVER MODE 36 4 4 5 CONFIGURING TCP CLIENT MODE 37 4 4 6 CONFIGURING UDP MODE 37 4 4 7 CONFIGURING SERIAL SETTING 38 4 4 8 CONFIGURING PACKET DELIMITER 39 4 4 9 CONFIGURING SYSTEM 40 4 4 10 CONFIGURING TIME BY NTP SERVICE 40 4 4 11 CHANGING PASSWORD FROM SYSTE...

Page 6: ... Airolinx Wireless Serial Ethernet Server STW 601C VI D 2 SOFTWARE SPECIFICATIONS 51 D 3 CONNECTOR PIN ASSIGNMENTS 51 D 4 BEEP LED STATUS 52 D 5 RUN THE UTILITY 54 D 6 DETECTING OPERATIONAL DEVICES 54 D 7 CONFIGURING DEVICES 54 ...

Page 7: ...al Server Throughout the manual an abbreviated form STW will be used is used for field devices to direct connect to Ethernet network Terminal Server main control program run in STW transforms whatever data received from RS 232 RS 485 to TCP UDP port then connects devices to the IP network via a single application program or multiple application programs Many control devices provide the ability to ...

Page 8: ...n the same order by the other node s The protocol also distinguishes the sent data for different applications such as a Web server or an email server on the same computer For redundant or dual network connectivity purposes STW offers two TCP operation Modes so users may choose for their specific application TCP Server Mode and TCP Client Mode 2 1 2 User Datagram Protocol UDP UDP is a faster datagr...

Page 9: ...d it waits passively for the computer to establish a connection with the serial device the client After the connection is established data can flow in both directions at the same time Fig 2 TCP Connection in Virtual COM Mode Configuring STW to TCP server Using one of the four configuration methods Telnet Web console and LCM controller one may configure STW to a TCP Server 1 IP filter disabled defa...

Page 10: ...Client for example the destination IP is 10 0 0 100 and the destination port is 1000 and the IP filter is disabled by default Fig 4 STW as TCP Client in Virtual COM Mode 2 2 2 Tunneling Mode Tunneling Mode is used for multiple serial devices to talk among one another through STW s through wireless LAN or Ethernet This mode is particularly useful when two or more serial devices are far away ...

Page 11: ...e enables two or more serial devices to communicate with one another over IP network TCP Server Client One may establish a connection between a TCP Server and a TCP Client for Master Slave PLCs or other serial devices Fig 5 TCP Link in Tunneling mode Configuring SE Series to Tunneling Mode Using one of the four configuration methods Telnet Web console and LCM controller one may configure STW to TC...

Page 12: ... in Tunneling mode Configuring STW series in UDP Mode Using one of the four configuration methods Telnet Web console and LCM controller one may configure STW or other s serial server to UDP mode Note that the Multicast IP address is limited by the Class of IP address and subnet mask As an example for a network of Class C of subnet 192 168 1 X and a subnet mask of 255 255 255 0 the maximum Multicas...

Page 13: ...User s Manual Version 1 3 Airolinx Wireless Serial Ethernet Server STW 601C 7 Fig 8 STW as UDP Tunneling Links ...

Page 14: ... Power Input x 1 z 4 dBi Antenna x 1 z Wall mount kits x 2 z Quick start guide x 1 z Product CD containing configuration utility x 1 3 2 Interfaces Figure 2 1 the STW interfaces are shown Fig 9 STW Interfaces 3 3 MODE Switch The default setting is RS 232 mode Software configurations can be changed from the default settings to user s desired mode by web browser or telnet tools To modify the configu...

Page 15: ...fully one shall find the IP and MAC addresses of STW One may change IP address gateway IP address and subnet mask networking parameters of STW to join your LAN Note If there are more than one access points the access point s SSID shall the same 3 5 Default Settings The STW default settings are shown in the following table Property Default Value Ethernet Port IP Address 10 0 50 100 Gateway 10 0 0 2...

Page 16: ...sword null Leave it blank 2 Change to the new IP via Telnet port 1 otherwise it will fail after restart 3 7 Auto IP Dynamic IP A DHCP server can automatically assign the IP address to all the network settings with DHCP client and STW supports the DHCP client functions By default the DHCP client function on STW is disabled you may activate the DHCP functions by the following steps Æ Execute Monitor...

Page 17: ...the utility For more details see Appendix D Configuration Utility Fig 11 IP settings for Monitor exe tool Tip All settings were changed if user ID or password was incorrect 4 2 Configuration Set by Telnet Utility One may also use Telnet utility to change configuration settings Æ Open Ms DOS command prompt window or other telnet tools Æ Enter the Telnet IP_address For example Telnet 10 0 195 132 Th...

Page 18: ... 4 2 1 General Information from Overview Location Main Æ 1 Overview This system overview window gives the general information on Ethernet WLAN IP MAC address SNMP information kernel and AP version and the connection status of the device The following overview information shall appear Device Information Model Name STW Device Name Allows for changes in SNMP settings Kernel Version Read Only Generate...

Page 19: ...ows for changes in Auto IP of Networking Page Netmask Allows for changes in Auto IP of Networking Page Default SSID Read only obtain from attached Access Point Channel Allows for changes in Ad Hoc mode of Wireless Page Topology Infrastructure or Ad Hoc Allows for changes in Wireless Page Encryption none or WEP WPA PSK Connected SSID name if STW is connected Fig 14 System Information from Overview ...

Page 20: ...nable or Disable Allows for changes in Networking Page SysName Allows for changes in Networking Page SysLocation Allows for changes in Networking Page SysContact Allows for changes in Networking Page Serial Information Link Mode TCP Server or TCP Client UDP Mode Allows for changes in Serial Page Baud rate 115200 or 1200 2400 4800 9600 Allows for changes in Serial Page Parity rate None or Even Odd ...

Page 21: ...P address and SNMP information Please note that setting changes will not take effect until the device is restarted Note Press ESC key to return to the previous menu Configuring LAN Operation Main Æ 2 Networking Æ 1 LAN Settings Fill in IP information on the LAN Settings field Alternatively click on DHCP to obtain auto IP address gateway and subnet mask Fig 17 LAN Settings by Telnet ...

Page 22: ...in Æ 2 Networking Æ 3 SNMP Settings Enable SNMP by checking Enable fill in network identification information on SNMP and click on the Save Configuration button to save the changes The changes will not become effective until STW is restarted Serial Server supports basic SNMP function about system MIB Management Information Base For example these are SysName System Name SysLocation System Location ...

Page 23: ...nter pair Serial server in tunneling mode It needs to configure listening port to establish connection Default Port number of STW is 4660 and it is associated with the serial port COM1 After the application program being connected to the TCP port 4660 on the STW data of your application program are transparent to both COM1 and STW IP filtering function is a simple ACL Access Control List disabled ...

Page 24: ... computers Vice versa is also true For example The original RS 422 RS485 bus is transferred and extended connecting distance by serial servers The destination IP is assigned by single IP or group IPs The configuration is limited by the Local Listening Port For example on the STW listening port is 4660 which receive data sending from the host computer STW can support up to 4 group IPs for UDP conne...

Page 25: ...ackets in a serial communication It is designed to keep packets in track STW provides two ways in parameter setting 1 Packet delimiter timer and 2 Character patter terminator By default packet delimiter timer is 10 ms The range of packet delimiter timer is 10 to 30 000 ms If character pattern is selected for a data stream ended with 0x0d0a then the entire data buffer of the serial device is transm...

Page 26: ...work Delimiter Timer One may choose character pattern as the packet delimiter indicated in the Figure below Fig 25 Configuring UART Network Delimiter Characters 4 2 9 Configuring Wireless Settings Operation Main Æ 3 Wireless Settings Select 3 from Input choice and enter 0 5 the following screen shall appear ...

Page 27: ...ig 26 Configuring Wireless Settings by Telnet 4 2 10 Site Survey Operation Main Æ 3 Wireless Setting Æ 5 Site Survey Site survey function can support to auto assignment wireless parameters and attached to access point selected automatically Fig 27 Wireless AP List from Site Survey ...

Page 28: ...2 11 Configuring Wireless LAN by Manual The screen above display the general information of STW wireless configurations include the access point attached the current channel used the transmitting rate at present topology it used SSID defined by the user and type of authorization Fig 29 Configuring Wireless LAN by Manual ...

Page 29: ...ating directly with each other without access point One may configure STW to be Ad Hoc mode the configuration as shown below Fig 30 Configuring Ad Hoc mode by Telnet We can select wireless link by none or WEP encryption in Ad hoc mode and these encryptions can support more application from customer s requirements 4 2 13 Configuring Wireless for WEP For security reason STW can configure to use WEP ...

Page 30: ...WEP128 encryption 4 2 14 Configuring Infrastructure Mode An 802 11 networking framework in which devices communicate with each other by first going through an Access Point AP STW supports different type of authorizations include Open system shared encryption with WEP64 128 WPA PSK from wireless encryption features 4 2 15 Settings with Open Authorization and None Encryption Topology Infrastructure ...

Page 31: ... Authorization with WEP Encryption Topology Infrastructure Channel Auto assignment from Access point Authentication shared Encryption WEP Fig 33 Wireless Share authorization and WEP encryption Note WEP Key length z Enter 5 ASCII value or 10 Hexadecimal digit if select WEP64 encryption z Enter 13 ASCII value or 26 Hexadecimal digit if select WEP128 encryption ...

Page 32: ...reless Network via Access Point with WPA PSK Topology Infrastructure Channel Auto assignment from Access point Authentication WPA PSK Encryption TKIP or AES WPA PSK 8 63 Characters Fig 34 Wireless WPA PSK authorization and TKIP encryption 4 2 18 Configuring System Security Operation Main Æ 5 Security ...

Page 33: ...n Main Æ 5 Security Æ 1 Change Username Enter desired username on New Username field Fig 36 Changing STW s Username by Telnet Changing password Operation Main Æ 5 Security Æ 1 Change Password Enter desired password on New Password field Fig 37 Changing STW s Password by Telnet Tip One may press the reset key on the product to reset password ...

Page 34: ...to initiate the change To modify settings through the web server interface follow the steps below 4 3 1 Login to System by Web 1 While on the web browser ex Microsoft IE or Firefox and son on enter the IP address of STW on the URL Example http 10 0 50 100 2 The following authentication screen shall appear Enter desired user name and password then click on OK The default user name is admin and pass...

Page 35: ...tus see Fig 40 Fig 40 Device Information from Overview web page Networking information Networking information fields are displayed both LAN Wireless LAN s information on overview page The information provided with Networking settings and Wireless LAN settings see Fig 41 Fig 41 Network Information from Overview web page Serial Information STW s serial information includes Serial Interface Link mode...

Page 36: ...ems allowed to change on Network page in which include LAN WLAN DNS and SNMP Information Fig 43 Network information by Web page 4 3 4 Configuring LAN Settings Operation Network Æ LAN Setting Click on the Network link and the following screen shall appear Fill in IP information on TCP IP field Alternatively click on DHCP to obtain auto IP address gateway and subnet mask information ...

Page 37: ...b page Tip The Network setting will be active after the device was restart 4 3 6 Configuring DNS Settings Operation Network Æ DNS Settings Click on the Network link and the following screen shall appear Fill in DNS information on third field Alternatively one may configure by checking on Obtain an IP automatically field to obtain IP address gateway subnet mask and DNS server IP address from DHCP s...

Page 38: ...d to change on Wireless configuring page in which include Default Current and Site Survey Information Click on Wireless link and the following screen shall appear Fig 48 Wireless information by Web page There are 3 buttons can be operated 1 Rescan Click on the Rescan button Æ STW shall start site survey procedures then on the site survey list will display the access point found 2 Select On the sit...

Page 39: ...pop up windows page for advantece witeless settings if Select or User Define button was clicked Those fields include roaming threshold other wireless settings and so on It is signal threshold for the STW roaming among more wireless AP STW will change to other AP with stronger wireless signal if the orignial AP s signal less than roaming threshold Fig 49 Pop up Windows for Wireless Detail settings ...

Page 40: ...Channel Auto assignment from Access point Authentication share Encryption WEP WEP Key1 4 Hexadecimal or ASCII 64 or 128bit WEP Key Fig 51 Share Authorization and WEP Encryption Tips WEP Key length 1 Enter 5 ASCII value or 10 Hexadecimal digit if select WEP64 encryption 2 Enter 13 ASCII value or 26 Hexadecimal digit if select WEP128 encryption Attaching access point with WPA PSK ...

Page 41: ...inx Wireless Serial Ethernet Server STW 601C 35 Topology Infrastructure Channel Auto assignment from Access point Authentication WPA PSK Encryption TKIP or AES WPA PSK 8 63 Characters Fig 52 WPA PSK Authorization and TKIP Encryption ...

Page 42: ...ial field Æ Click on Save Configuration button to save the changes 4 4 4 Configuring TCP Server Mode TCP Server mode is default Link mode of serial settings and it can wait for connecting requirement from remote host PC which serial to IP tool installed or counter pair Serial servers in tunneling mode One shall configure listening port to allow establishing connection Default port number of STW is...

Page 43: ...mple another serial server or PC for data collection STW can support two destination hosts simultaneously Fig 54 TCP Client in Link mode 4 4 6 Configuring UDP Mode UDP is a fast but non guaranteed datagram delivery protocol STW can be configured in a UDP mode on a TCP IP Network to establish a connection using uni cast or broadcast data to and from a serial device to one or multiple host computer ...

Page 44: ... the host computers STW can support up to 4 group IPs for UDP connection if users needed Fig 55 UDP protocol in Link mode Note UDP mode doesn t support Virtual COM mode yet 4 4 7 Configuring Serial Setting This filed can configure serial parameters for STW Here one may configure Serial parameters include UART Mode baud rate parity data bit and type of flow control you wanted Configuring UART Mode ...

Page 45: ...p packets in track STW provides two ways in parameter setting 1 Packet delimiter timer and 2 Character patter terminator By default packet delimiter timer is 10 ms the range of packet delimiter timer is 10 to 30 000 ms if character patter is selected for a data stream ended with 0x0a04 and then the entire data buffer of the serial device is transmitted One may also choose character pattern as the ...

Page 46: ...parameters include Time Security Restore factory default and Restart Fig 57 Configuring system settings by Web 4 4 10 Configuring Time by NTP Service Operation SystemÆTime One may configure NTP Server to obtain Network time automatically or Set it manually by fill in Set Date and Time manually field Fig 58 Time service settings from System web page ...

Page 47: ...Save Configuration to update the password Fig 59 Change password from System Security Page Tip One may press the reset key on product to reset password to the default value 4 4 12 Restoring Factory Default Operation SystemÆ Set to Default One may click on Set to default and Restart button to restore STW s settings to factory default Fig 60 Set all parameters to default by web 4 4 13 Restart System...

Page 48: ...M driver A 1 Pre installation requirements Please check the operation system on your PC complied with the following requirements z Processor Intel compatible Pentium class z Operation system Windows Server 2003 Windows XP Windows 2000 Windows NT 4 0 SP5 or later Windows Me Windows 98 Windows 95 Microsoft NT 2000 Terminal Server Citrix Meta Frame z Windows Installer 2 0 z Network Microsoft TCP IP n...

Page 49: ...emove the program or From Windows Start menu select Programs Serial IP for Uninstall Serial IP for to remove the program A 3 Virtual COM communication Enabling Virtual COM on STW From web browser access to STW by typing its IP address click on Serial link to access Serial 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 button th...

Page 50: ...rsion 1 3 Airolinx Wireless Serial Ethernet Server STW 601C 44 Fig 64 Login into STW by Telnet or Console 2 Select serial setting for TCP server Client Fig 65 Enter serial settings by Telnet 3 Enabling Virtual COM mode ...

Page 51: ...ol Panel changes to reflect that the selected port Note COM port changes become effective immediately Configuring Virtual COM Ports Serial IP COM port can be changed as follows 1 Select a COM port on the list 2 On IP Address of Server enter serial server IP address 3 On Port Number enter the TCP port number of the serial server 4 On Server Credentials the default is No Login Required If the serial...

Page 52: ...match the TCP IP protocol supported by the serial server The Configuration Wizard is capable of determining the correct settings 7 On COM Port Options the settings must match the COM port behavior expected by the PC application The Configuration Wizard will recommend such settings Fig 68 Configuration Wizard from Serial IP ...

Page 53: ...STW 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 used STW information can be collected from running the management tools including IP address DNS name system descriptions and NIC information ...

Page 54: ...t dll bat to fit the system requirements Be sure to save all modifications 3 Run dll bat or type command and parameters by linux_dl_v2 exe the following screen shall appear linux_dl_v2 exe zImage bin 10 0 152 100 device s IP is 10 0 152 100 Tips linux_dl_v2 exe is the upgraded executing file and zImage bin is the name of the firmware file xxx xxx xxx xxx is the IP address of STW Fig 69 Start firmw...

Page 55: ...f the upgrading is successful STW shall re program the flash memory and the buzzer will beep before restarting It takes around 5 seconds to complete the re programming If an error occurs during the process STW will clear the corresponding memories and the system will remain the same as the one before the upgrading process ...

Page 56: ...n Rate 54 Mbps max with auto fallback Transmission distance Up to 300 meters 12 Mbps in open areas Antenna Connector Reverse SMA Topologies Infrastructure Ad Hoc Ethernet 10 100M LAN for Redundancy Configuration Protection Built in 1 5 KV magnetic isolation Configuration with Telnet Protocol Serial Port Support RS232 485 422 Software Selection Baud Rate 1200 921Kbps Parity Check None Odd Even Mark...

Page 57: ... Configuration information for both TCP IP and serial ports is kept in the EEPROM Configuration utilities of Windows 95 98 2000 NT XP 2003 are provided for configuring settings Internal Buffer Size TCP receiving buffer size 8K bytes TCP transmitting buffer size 16K bytes RS 232 RS 485 receiving buffer size 4K bytes RS 232 RS 485 transmitting buffer size 4K bytes D 3 Connector Pin Assignments Mini ...

Page 58: ...85 RS 422 3 pin for Power input SG GND GND GND FG FG RTS R RTS Data R Vin GND TxD R TxD Data R Vin 9 30V CTS T CTS T RxD T RxD T D 4 Beep LED Status Startup status Beep twice Beep off Message Description 5sec Startup OK and AP firmware is enabled Table 1 Buzzer indication Wireless Signal Strength status The BSS quality can be detected by LED indicator on STW On running time pressed default key and...

Page 59: ...gnal Strength 40 Fair Signal Strength 60 Good Signal Strength 80 Connected Excellent Signal Strength 100 Note The lowest LED is indicated for STATUS at STW s front plate WLAN LED Message Message Description LED Off No data is transmitting on Ethernet LED blinking Data is transmitting on Ethernet COM Port LED Message Message Description LED off No data is transmitting on COM port LED on blinking st...

Page 60: ...ll devices currently available on the network 1 Start monitorXX exe utility program 2 Select an item from the Broadcast IP list 3 Specify a number on Wishes box 4 Click on the Invite button This will display all the devices requested D 7 Configuring Devices Use monitor exe to configure the settings of devices on the network To do so please follow the steps below 1 Repeat the steps in D 2 to bring ...

Page 61: ...Manual Version 1 3 Airolinx Wireless Serial Ethernet Server STW 601C 55 3 Clicking on the Configure Now button the target device return an ACK message indicating the modification is successful as shown follows ...

Page 62: ...etry Specify the number of times that an Invite request is re sent Locate Locate the specified device With BBBBBBB Reset Reset the selected device Config Configure the selected device Exit Exit this utility IP Address Indicate the IP address of the device that replied to your request y Leading tag stands for IP address collision possibly caused by duplicated IP addresses on the network y Leading t...

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