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VS NetCom Devices

1. Image 5 Use current drivers dialog There are no later drivers on the Windows Update website Select the third item and click on Next This question neither appears on Windows XP prior to SP2 nor on any previous Windows version 17 Found New Hardware Wizard This wizard helps you install software for NetCom COM Port Ge If your hardware came with an installation CD IS or floppy disk insert it now What do you want the wizard to do Install from a list or specific location Advanced Click Next to continue lt Back Cancel Image 6 Install drivers for the serial ports The pre selected automatic installation is fine just click on Next The driver files are already copied to your hard disk Now Windows installs them in the system directory To Finish the installation click on that button as it appears These latest steps happen for each serial port on the NetCom Device Just repeat the procedure until all ports are successfully installed Windows will show you this In most situations it is not required to reboot the system Of course you can do that now to test the drivers 4 2 VERIFY THE INSTALLATION Jer Vision Systems GmbH HS NetCom Manager x Uninstall Image 7 VScom drivers in the Start Menu In the Start Menu you ll find Vision Systems GmbH a new program group The installed programs are the NetCom Manager and an option for uninstallation
2. In this case you must you must connect to the NetCom via the serial port Disconnect any serial cable from NetCom Set the DIP Switches of port 1 to RS 232 Configuration all switches to Off Then connect the NetCom with your computer using a standard modem cable direct connection If you do not have a modem cable use a Null Modem cable and plug the Null Modem adaptor to the serial port On NetCom 211 or the rackmount versions you need a Null Modem cable anyway Open any serial terminal program Hyperterminal minicom select 38400 bps 8 Bit No Parity as configuration Set your terminal to emulate a VT 100 recommended but VT52 is also possible including the Arrow keys When connected to NetCom you must define the type of terminal used This is the same configuration option as described above in 5 3 1 Telnet Main Menu 54 6 THE VIRTUAL COM DRIVER If properly configured the serial ports of the NetCom Devices appear as virtual serial ports in your computer The virtual means there is no real hardware related to the serial port However the driver offers the full functionality of a serial port to the system The interface used by the driver is VCOMM which in turn is supported by the Windows API So Windows does not see a difference to Com and also no application should detect the change This section of the manual covers the correct installation of the drivers and serial ports Please do a quick review of the
3. You can connect a power supply of your choice providing the technical requirements are met 3 2 ETHERNET The connector for network is the usual RJ45 Simply connect it to your switching Hub When the connect is done the Link LED on NetCom yellow will light When data traffic occurs on the network this LED will blink It depends on your network whether a 100Mbit or a 10Mbit connect will be established A 100Mbit net causes the Speed LED on NetCom green to light otherwise it will remain dark Red LED Yellow LED Green LED Status Off Device off no power On Off Off No connection On On Off 10Mbit connection established On Blink Off 10Mbit data transfer traffic On On On 100Mbit connection established On Blink On 100Mbit data transfer traffic Table 6 LED Function 12 3 3 SERIAL PORT SIMPLE SETTINGS There is one set of 4 2 Dip switches to configure the operation mode of the NetCom Device On NetCom 413 and 813 there is a separate set for each serial port Before connecting a serial device the serial port configuration must be completed Warning a bad configuration may cause serious damage in the NetCom or the connected device To avoid these problems it is recommended not to connect a device to the serial ports in the first installation Also all serial ports should be configured for RS232 This is done by setting the DIP switches like these examples Depending on your N
4. In most situations the suggested setting is fine just hit enter Scom NetCom Install select installation d Install destination C Program Files YYSCOMYNETCOM Browse ces Image 2 Start Driver Installation 14 4 1 2 FIND AND CONFIGURE NETCOM DEVICES Some files are copied to your hard disk this is the usual process similar to other Windows installations When all files are copied the NetCom Manager program is started This searches for all NetCom Devices on your network S NetCom Manager 2 x NetCom Servers icon view small view list view report view sl it Date ENI fet A n ib met Local Network SI w M dam HRESRRESDR Done Start Log Properties Exclude Image 3 Discover and Select NetCom Devices for Installation After short time the search process is finished All discovered NetCom E servers are listed In your very first installation of NetCom Devices and Drivers you should connect only one NetCom to your network This single Device is listed here Identify it by comparing the serial number shown in the NetCom Manager This program is covered in detail in a later section For now follow the minimum steps 15 4 1 2 1 Configure IP Parameters As mentioned above it is important to configure the NetCom to operate in your network In many networks this is done by a special server Please ask your Network Administrato
5. This control connection includes the configuration of the serial port as well as signals for changed Modem Status lines This mode is required when the serial port is operated via the Virtual Com Driver it is default The NetCom can check if the connected Client is still alive This may be done when a second Client wants to establish a connection On Connect It may also be done in regular intervals Pol ling 5 1 2 2 2 TCP Raw Server Mode TCP Raw Server EN As TCP Raw Server NetCom operates Server very simple It only waits for incoming TCP Port Data 2001 data connections in Raw IP mode As Max Clients f with the Driver Mode Only the data Image 24 Web Panel TCP Raw Server connection is defined As a special configuration NetCom allows for more than one connection at a time If the number is raised it is the responsibility of the customer to ensure correct operation 5 1 2 2 3 TCP Raw Client Mode TCP Raw Client v Also as Raw Client the NetCom Client requires very few parameters Under Destination tcphostvscom de certain conditions it establishes a Raw ITCP Port Data 2001 TCP connection to a pre defined Connect Triggered Destination To establish it the ShortHoldTime 0 TCP Port Data is used on the Image 25 Web Panel Raw Client contacted host Parameter Connect defines if NetCom uses the connection as Permanent or Triggered Activity on the serial ports establi
6. This group is not installed on Windows NT 18 S Device Manager ox Fie Action view Help e gt m gSs 2 A9 DOCUMENTATION j Compte m r Network adapters UY Ports COM amp LPT ei Communications Port COM1 Communications Port COM2 ECP Printer Port LPT1 NetCom COM Port COM3 NetCom COM Port COM4 NetCom COM Port COMS 4 NetCom COM Port COM6 g Processors Sound video and game controllers System devices Universal Serial Bus controllers lell Hl Scan for hardware changes NetCom Opens property sheet for t Image 8 NetCom in Device Manager In the Device Manager the serial ports are listed in the usual section Ports Additionally there is a new device class Vscom Virtual Com All installed NetCom Devices are listed herein The available options are described later Image 9 NetCom Manager NT On Windows NT there is no Device Manager You ll find the serial ports listed in the Control panel in the Ports applet To configure the NetCom and special port options there is a new applet named NetCom Manager 19 4 3 UNINSTALL THE DRIVERS To completely uninstall the NetCom Drivers and files there are three methods The usual way is to use the Add Remove Programs applet in the Control Panel and remove the NetCom Drivers This will start the NetCom uninstallation
7. called Latency In three steps the Latency may be reduced at the cost of reduced throughput for large data blocks The fastest setting Shortest Latency is often referred to as deactivate the FIFO The FIFO on the serial ports is not really deactivated because this raises the risk of data loss But the port is configured as if the FIFO is off hence gaining in best reaction times Use the Driver Default to get the standard setting Use Advanced to get access to detailed configuration 6 4 NETWORK amp MISC PROPERTIES When you use the Advanced checkbox on the Performance tab the Network amp Misc tab opens automatically NetCom COM Port COM3 Properties 2 xi General Local Settings Remote Settings Network amp Misc Performance Driver Details ig NetCom COM Port COM3 Vv tom Tx Network Buffer Size d D Rx Network Buffer Size 18384 KI DH IV Automatic Trigger N Tx Trigger Level pe al Network Timeout ms 200 Ki gt Overspeed poo gt I Open If Absent IT Keep Alive JV Passive Modem Cancel Image 90 NetCom COM Port Network amp Misc Properties The parameters on this tab control the operation of the driver software on the computer Tx Network Buffer Size If the application sends small chunks of data to the driver these are buffered to send them in one large packet This defines the size of the buffer And also the maximum packet size se
8. eeeegeiguiekd SE eeh 41 5 3 2 Server Configuration Men 42 5 3 2 1 E e EE 42 5322 Authentication eege 43 5323 RE Nee TEE 43 5 3 2 4 Mossad Set 44 5 3 3 Serial Ports EE 44 5 3 3 1 Communication barameterg 44 5 3 3 2 Data Transfer Modes ssaensaeeveid 46 5332 1 Driver ModE aata atoae eea a aent Sa aaa deiere 48 5 3 3 2 2 TCP Raw Server Mode rrrrnnrnnnnnrnrnvrrnrnvrrnnrnrnnnrnnenvrner 48 5 3 3 2 3 TCP Raw Client Mode 49 5 3 3 2 4 Null Modem Tunnel 49 53 32 53 UDP Mode urene eierne 50 5 3 4 Tools Mein ANNENS 50 5 3 4 1 Ps 50 5 3 4 2 Statisties enea a OT 51 5 3 4 3 NEES ed 51 5 3 4 4 Hae 52 5 3 4 5 Firmware EE 52 5 3 5 Saved exit Menu gehen ueleetes 53 5 3 5 1 Save Parameter EE 53 5 3 5 2 Erik ee 53 5 3 5 3 RT 53 5 4 CONFIGURE NETCOM VIA SERIAL CONSOLE 54 6 THE VIRTUAL COM DRIVER enunnnnnnnnnnnnnnnnnnneenn 55 6 1 INSTALLATION OF NETCOM SERVER c000 55 6 1 1 Changing the Installaton eee eeeeeeeeeeeeeceeeneeees 57 6 2 CONFIGURE THE SERIAL PORTS eeseessvsessvvvessnsvesssee 58 6 3 PERFORMANCE ISSUES esseesesvesevevensvevennvesennsessnnseseneee 59 6 4 NETWORK amp MISC PROPERTIEG cccsccccssscesseee 60 6 5 REMOTE SETTINGS PROPERTIES cccsccccssscesseee 62 7 UNINSTALLING THE SOFTWARE 0 64 8 TCP IP DESCRIPTION uranavauanananannnannnnnavanevanevnn 66 8 1 RECOMMENDED SETTINGS eeesevevesevevessvevennvevsnnveseneee 66 8 1 1
9. 813 models 69 9 2 SIGNAL ASSIGNMENT It is of course important to know the exact location of the serial signals in the configured mode Here are the tables for the DB9 female connectors as well as for the RJ45 and DB9 male connectors Pin RS232 422 485 4wire 485 2wire DB9 female 1 DCD Rx A 2 TxD Rx B 3 IRxD Tx B Data B 4 DSR Tx A Data A 5 GND GND GND 6 DTR 7 CTS 8 RTS 9 IRI Table 10 Signal Assignment DB9 female Pin RJ45 RS232 Pin DB9 RJ45 amp DB9 male cable 1 RTS 7 2 DTR 4 3 GND 5 4 TxD 3 5 RxD 2 6 DCD 1 7 DSR 6 TT 8 crs 8 rene Table 11 Signal Assignment RJ45 and DB9 male cable Please note the GND signal in RS 422 and RS 485 modes This signal must also be connected between the serial devices So in reality there is neither a 2 wire nor 4 wire connection With the exception of very special configurations a serial cable without GND violates the specifications for RS 422 and RS 485 70 9 3 VIEWS OF NETCOM This section will show the NetCom Devices provided Image 96 NetCom 113 111 Top and Bottom Side Here showing NetCom 113 the NetCom 111 is very similar with the serial connector and the configuration switches on the left side and the power connector Reset hole and the Ethernet RJ45 on the right side Image 97 NetCom 211 Top and Bottom Side T
10. NetCom Device In Windows 2000 XP and 2003 it is named NETCOMMGR EXE while in Windows NT the name is NETCOMMGRNT EXE Just double click to start it direct from the CD ROM If you already installed the drivers the program is also in the Start Menu 21 YS NetCom Manager f 2 x NetCom Servers icon view small view list view report view D servers La Ports EI Log window Properties Exclude Search Add Remove Start Log Cancel Apply Image 12 NetCom Manager Servers Panel Identify the NetCom Device by comparing the serial number Double click the Icon of the NetCom You ll see the IP Parameters Note the IP address to use it in your browser or via Telnet Server Settings x Info Ports Firewall Options a NetCom_0090100555 Server Name NetCom_0090100555 Serial number 90100555 Product type 411 Hardware Rev 1 0 Firmware Rev 18 0 MAC Address 00 04 D9 80 17 FF Network settings Telnet port tenet IP addres 92 58 254 5 Netmask Broadcast Default gateway D r D A 0 D Name server D 0 x a D Verify Image 13 NetCom IP Parameters 22 5 1 CONFIGURE IN WEB INTERFACE Open your Webbrowser In the address line type the address of the NetCom Server In the example from above type http 192 168 254 254 as the target You may do this on any operating system you prefer Q kd AG d Ole Le 3 LE HOME SERVER SE
11. Nr 1 Driver Mode TCP Port Control 2000 TCP Port Data 2001 KeepAliveMode On Connect KeepAlivelInterval 0 Image 62 TCP Ports for Driver mode and Raw Data These are TCP IP parame ters The TCP Port for Data transfers the serial data while the TCP Port for Control transfers the control information defined by the VS NetCom driver if installed Programs operating in Raw TCP mode like Telnet connect to the Data port for data transfer Since there are more transfer modes listed below all parameters are explained at the Advanced Settings Transfer Settings Port Nr L Se Null Modem Tun TCP Raw Server TCP Raw Client TCP Advanced S UDP Mode TCP Port Control TCP Port Data KeepAliveMode KeepAlivelInterval Image 63 Available Transfer Modes Driver Mode nel ettings To change the current Mode of the serial port place the cursor on the field and hit enter A drop down list of the 46 available modes appears Transfer Settings For demonstration Port Nr purposes the TCP TCP Advanced Settings Advanced Settings Server on mode is selected All es E parameters may be Max Clients 1 changed This allows l some unexpected Client off Destination configurations TCP Port Control 2000 Here this is used to TCP Port Data 2001 N Connect Triggered show and explain all en parameters and their KeepAliveMode On Connect pur
12. Operating temp Approval Table 1 Specifications common ARM7 S3C4510B 8MB SDRAM 1MB Flash 2MB with 8 serial ports RJ45 10BaseT 100BaseTx 14 bps up to 460 8 kbps None Even Odd Mark Space 5 6 7 8 1 2 1 5 TCP IP UDP SNMP DHCP ICMP ARP Telnet RTelnet HTTP Serial console Telnet Webbrowser SNMP Windows 2000 XP Windows NT Linux Windows 95 98 ME later Driver installation and configuration program Management console 0 to 55 C CE FCC 2 2 2 SPECIFIC CHARACTERISTICS 2 2 2 1 NetCom 111 and 113 Serial connector Serial ports Serial signals Power requirement Dimensions Weight DB9 female similar to Modem I x RS 232 configured by DIP switch RS 422 485 on NetCom 113 only RS 232 TxD RxD RTS CTS DTR DSR DCD RI GND RS 422 Tx Tx Rx Rx GND RS 485 4 wire DC 9V to 30V 200 mA Q 12V 73x115x27 mm WxDxH 101x121x27 mm with connectors 250 g Table 2 Characteristics of NetCom 111 and 113 2 2 2 2 NetCom 211 Serial connector Serial ports Serial signals Power requirement Dimensions Weight RJ45 Adapter cable to DB9 male like PC 2 x RS 232 TxD RxD RTS CTS DTR DSR DCD GND DC 9V to 30V 300 mA 12V 73x115x27 mm WxDxH 101x121x27 mm with connectors 200 g Table 3 Characteristics of NetCom 211 2 223 NetCom 411 and 413 Serial connector DB9 female similar to Modem Serial ports 4 x RS 232 configured by DIP switch RS 422 485 on NetCo
13. TCP Port Control and TCP Port Data to accept the connect of the NetCom The connection is always established in Triggered mode i e when some event occurs on the serial port It is hold for the defined ShortHoldTime As in the normal Driver Mode the function of a connected client can be checked via KeepAlive signals in different modes 29 5 1 2 2 5 TCP Advanced Settings Mode TOP Advanced Settings v All of the above operation modes are Server ES special configurations for options In TCP Port Control 2000 some situations none of the TCP PortfData 2001 pre defined modes fit the customers Max Clients 1 needs When this is the case the Ctient On TCP Advanced Settings offer Destination ensomme configuration of any Transfer TCP Port Contron 0 parameter Unusual combinations of TCP PortfData 2001 Modes are possible with this also Connect Triggered U standard modes with unusual ShortHoldTime I parameters For example if for any KeepAliveMode On Come i reason a Null Modem Tunnel with a Keepalivelnterval permanent connection is required Image 27 Web Panel TCP Advanced Settings use this mode and change the parameter Connect 5 1 2 2 6 UDP Data Transfer The UDP mode is available as a ger eee function since the version 1 4 of the UDP Port Local 2002 firmware UDP sends data in single Destination udp hostvscomde packets instead of a stream
14. and click the Ping button The network connection is checked by sending certain ICMP data packages Image 29 Web Panel Pin S a PING 127 0 0 1 from 192 168 1 87 44 72 bytes of data 52 bytes from 127 0 0 1 icmp_seq 0 ttl 255 time 1 560 msec 52 bytes from 127 0 0 1 icmp_seq 0 ttl 255 time 1 542 msec 52 bytes from 127 0 0 1 icmp_seq 0 ttl 255 time 1 542 msec back If the target responds the network between the NetCom and the target is operational The time required for an echo depends on the speed of the network In a typical Ethernet this is only very few Milliseconds while it can be several seconds throughout the Internet 5 1 3 2 Statistics Statistic Select the serial port to see its statistical information Port I Port2 Port3 Port4 Image 30 Web Panel Statistics Port Selection 31 x The statistics window reports the state of the eg li modem status and control signals Also the number of state changes The number of characters sent and received is shown at the bottom Line Status DTR fO DSR off 2 off 2 off 2 off 2 RI off 2 Common Serial Tx 16 Serial Rx 16 Image 31 Web Panel Port Statistics 5 1 3 3 Netstat Netstat Use Netstat to see the actual connection status of NetCom This is a standard tool for network View connections debugging Image 32 Web Panel Start Netstat E Q Di Lg bd State TEN TEN TEN DEN
15. may be useful e g if an old connection blocks access to the NetCom The button Apply Changes commits all parameter settings done so far to the NetCom And the Verify checks the current settings by reloading the status from the NetCom to the Manager program When you want to install a Firmware Update use this button The NetCom may be protected for access in this case you must place the current Server Password in the dialog The option to change the password is reserved for a future extension Exclude Server is related to the Driver installation only You may Enable Log to see events at the NetCom for monitoring If enabled the log will also appear in the central Log Window At any time it s possible to Clear the log or Capture the data to a file 39 5 3 CONFIGURE NETCOM VIA TELNET CONSOLE There are many situations when using the NetCom Manager program for Windows is not appropriate And a graphical Webbrowser may also be unavailable To enable configuration also in this situation there is the Telnet option It is preferred by many users To connect your Telnet session you need the IP address of NetCom Also you must be able to communicate with NetCom via IP If you can send a PING to NetCom and receive an Echo the configuration is fine This requires a predefined NetCom maybe via a DHCP server You may also use the NetCom Manager Program on a different computer to find t
16. may provide some contact information here Contact defines a person to contact for help e g Mrs Jane Doe 555 HELP Location is the physical place of the NetCom e g CeBIT Hall 12 Service Box IX a 5 3 3 SERIAL PORTS MENU The settings available in this menu are by port Therefore first the port to configure has to be chosen Just select the port by placing the cursor and then press lt Enter gt Image 56 Menu select serial port for configuration 5 3 3 1 Communication Parameters These settings come in effect in the Serial Settings case of the Raw connection type 1 e if Tr the Driver Mode is not used The Image 57 Config Communication driver will configure the parameters as Parameters the application requested it 44 The parameters are organised in two groups The serial settings define the basic behaviour of the serial port And the Transfer Settings configure the operation mode of NetCom on the network Each serial port is configured separately there is no setting shared between ports Serial Settings Many standard options to use with EVE ane all serial ports The maximum Port Type rs232 serial speed is visible You may MaxBaudrate 460800 fi h ial el a Model 6550 configure the serial transmission a Sc by setting Baudrate from a Manua FlowType None defined list If you select Manual DataBit S in this list you may enter it Parity None StopBit numeri
17. program H r NetCom Manager x Uninstall Image 10 Uninstall NetCom Drivers As a second way you may start the Uninstall program in the start menu The third method is to start the Installation Wizard again This will detect the drivers on the system You have the options to repair the current installation or to remove the installed drivers 20 5 SOFTWARE CONFIGURATION The NetCom Devices may also be used without the installation of a driver software Customer applications contact the NetCom directly using network functions These setups require independent configuration of the NetCom Device and the serial ports There are several ways to do this configuration The NetCom offers a Webbrowser interface a Manager program to use in Windows configuration via serial port via Telnet and also via SNMP This SNMP option is not covered in this manual please see separate documentation The serial port option is a fallback if every other way of configuration fails The options are here described in the order Web Manager program Telnet and serial port Configurations via Webbrowser and via Telnet require EN a functional TCP IP connection to the NetCom Device And you must also know the IP Address of the Image 11 NetCom to contact it The easiest way to retrieve this NetCom Manager information is the NetCom Manager program So here is a very minimal description of this program You find this program on the CD ROM shipped with the
18. section 4 Windows Driver Quick Installation before reading further 6 1 INSTALLATION OF NETCOM SERVERS General NetCom Servers icon view small view list view report view D servers La Ports E Log window a B NetCom_0000000111 damian2 NetCom_0090100555 NetCom_0040100203 damian Properties Verify Exclude Search Add Remove Start Log OK Cancel Image 83 Select NetCom to install The NetCom Manager program is started by the Installation Wizard Often there are more than only one NetCom listed And sometimes not all of them are to be used on this specific computer 55 The Exclude button is used for that purpose Select a NetCom Device and click on that button f The driver will later ignore this NetCom when Image 84 installing and operating the serial ports The Icon Excluded NetCom changes to olive color In Image 83 Select NetCom to install above you ll notice yellow questions marks at each icon These appear when the NetCom is not already installed for the Virtual Com driver It may also appear if you open NetCom Manager without administrative privileges If the mark changes to a red exclamation mark the NetCom is non functional It may be without power the network may be broken or the device is completely removed To clear the display in NetCom Manager just use the Remove button If a NetCom has not been operational when the Manager program was started it i
19. 25 KEE Sern EE 26 Web Panel Advanced Flow Control 27 Serial Port Mode Sel ctionnasrsadassauanssrentdusmultn 27 Web Panel Driver Mode aus erd 28 Web Panel TCP Raw SSE dats boauees vsovas dee anscesvo teens cevaueunet 28 Web Panel Raw Cleve 28 Web Panel Null Modem Tunnel 29 Web Panel TCP Advanced Settings uschl dd 30 Web Panel UDP Data Transfer vvs 30 VPN NN 31 Web Panel Statistics Port Selectton ee cecceecceesceeseceteceeeeeeeeensees 31 Web Panel Pott St tistesauuoastuekaasdeud eastern de 32 Web Panel Start NESA Lae 32 Web Panel Netstat EEN ee Een 32 Web Panel Firmware Upload Lunsaeiunsaansnsnasrinasndssiend 33 Web Panel Save Load Configuration eonnoronnronnrrnrrrrnnvrrnrnrrrrrrnsernnre 33 Web Panel Syslog amp Debug EE 33 NetCom Mie HR 34 NetCom Manager in Start Menu sseennrrenrrrennrennvrsnrrerrrrersnrersersnrsesnsenr 34 NetCom Manager in Device Manager 34 NetCom Manager Servers Panel 35 NetCom Server Ee 36 NetCom Ports Panelis nian airia EEIE essensen 37 NetCom Firewall Patel seede 38 N tCom Options Parland 39 Password protected Telnet opttohusssdssn sakset 40 Open configuration Menu iis sce ideas deg ee 40 Main menu configuration Console rrrnrrrrnrrrrrrrrnrrrnvrrrnrrrrrrernsrsnsreenneen 41 Pull Down Server Couture 42 IP Configuration Parameters r rennronvrrnnrrrnrrrrrrrrnrrrnnrernrnrrrnernsesnseesnnsee 42 Access Authentication eesse cvesrusgate seen 43 Password DANN 43 Pre 43 Date and Time
20. 5 3 2 3 Date amp Time Since Firmware version 1 6 the NetCom can wee ee eee ee ee ee ee D D H ve retrieve actual date and time from a specified Authentification server Date amp Time Info Image 52 Date amp Time Date and Time Settings 01 01 1970 00 17 33 UTC 0 Simple Network Time Protocol State off Mode DHCP Interval 1800 Server Image 53 Date and Time Retrieval options Retype the value of Date amp Time for manual setting The format is MM DD YYYY HH MM SS UTC TZ Time Zone The State field has three possible settings Off disables automatic time retrieval Startup NetCom gets the time at reset or power on Interval NetCom repeats to retrieve time The Mode field allows to decide how to configure the time server It is either possible to get the server by DHCP or direct specified The Interval defines how often the NetCom retrieves the time from the Server 43 5 3 2 4 Info Info brings up general information about the device Parameter Authentification Date amp Time Info Image 54 Information Server Info Server Type 413 Software Version L I Hardware Version PO Serial Nr 0010100454 Contact lt unset gt Location lt unset gt Image 55 NetCom Server Information This dialog displays some basic information about the installed NetCom server The Administrator
21. DEN DEN DEN DEN TEN STEN 1 42 1280 TIMEWAIT 14251281 ESTABLISHED Proto Local Oo 10 Ooo oo 6 O EEN ER 0 ja oO CO CH EA o 23 80 2000 200 2010 201 2020 202 2030 203 1 243 80 1 243 80 S161 0 19970 168 1 243 32331 Image 33 Web Panel Netstat Output wn Peo ER CR oe Ooo O oo Pl DE nx pa na e 8 NNO Oooo oo Oo oo o H Ooo oooooooooop goo oor oo ao EN CH NNNNNNN N a ECH 9 2 Ov ore EA k k O OGOOGO oo OS wwe e e 8 en a EA k k EA CHEN CH O O 0 02 0 6 CH Qo OO OCH COOC CHE CH CH CH 0 6 0 D I 0 0 0 0 0 Daf QO 2 Dr D 0 PO we N A Foreign Address of 0 0 0 0 is listed when NetCom is waiting for an incoming connection LISTEN If the value is not 0 0 0 0 the connection is either active ESTABLISHED or closed TIMEWAIT 32 5 1 3 4 Firmware FirmwareUpdate To upload a new version of the firmware put the name of the file in the field Your webbrowser may allow to search for the Warning the server reboots after updating rom 11312 0binbed Durchsuchen fjle Click on the Update button While loading the file is checked If it is valid it Image 34 is stored in the Flash Memory When the Web Panel Firmware Upload upload is finished NetCom will Reboot 5 1 3 5 Save and Load Configuration Configuration File Save Save the Configuration Parameters in a File Load C Dur
22. Off Interval 1800 of course Parameter Mode is Server mem de used to find the Time Server It may be defined direct or by DHCP The Interval in seconds Image 19 Web Panel Date amp Time instructs NetCom to regularly check for an update of the internal time settings The Time Server may be given by IP Address or by name A name of course requires a DNS server see at 5 1 1 2 Server Parameter above Below these options there is the button Save This will store all configurations done here in the NetCom In many cases NetCom requires a reboot to proceed 5 1 2 WEBBROWSER SERIAL PORT CONFIGURATION This is also a huge menu Each serial port of the NetCom is listed in a separate Column The top half of the parameters titled Serial Settings is directly related to common serial configurations The bottom half titled Transfer Settings configures the operation mode of NetCom on the network Each serial port is configured separately there is no setting shared between ports 25 When the NetCom is used via the Virtual Com Driver mode the serial parameters are controlled by the application which opened the serial Manual Port However certain installations use a DER different operation without Driver mode Then the serial parameters must XONMOFF I be defined separately This is done in DEZ this panel Some NetCom devices allow to operate in RS422 485 modes This is normally configured by DIP swi
23. RIAL TOOLS REBOOT CONFIGURATION CONFIGURATION Welcome to the Configuration of NetCom Serial Device Server Please note to finally activate all changes of parameters it is recommended to use the REBOOT function in the menu Otherwise certain settings especially changes in TCP IP parameters may neither be saved nor activated For more information about parameters please read the documentation Image 14 Webinterface for configuration The NetCom welcomes you with its Home screen To access the different options of configuration the images above function as a link In many menus you ll see a blue question mark This is a symbol for help When clicked a short explanation pops up informing about the function of this parameter Some other settings require a reboot to save and activate them Whenever this situation occurs the NetCom requests a REBOOT xi It is done like this here you may a Reboot for changes to take affect Reboot now reboot now or do that later when the configuration is finished i Cancel Image 15 Webinterface Request to Reboot 5 1 1 WEBBROWSER SERVER CONFIGURATION The Server Configuration is a very long menu It is divided in its logical sections throughout this document 23 5 1 1 1 Server Info Server Info Information about the selected Server Type 411 NetCom is displayed as Server Info Software Version 1 8 0 Starting with the Server Type this is Hardw
24. Remote Settings Properties rrrnrrnnrrnvrrrnvrrrnnernr 62 To uninstall the NetCom STEE cslexcicscaracusiee astardacssamaiuiaraades 64 Uninstall in the Start Menus E 64 Confirm Uninstall of Eege 52s vasaddedaiseedstosncctacedsheeeusnsedscusncchadedanss 64 Installation Wizard to uninstall Drivers 65 NetCom 113 111 Top and Bottom Side 71 NetCom 211 Top and Bottom Side 71 NetCom 411 Top and Bottom Side icncctsncutaniaunnakinauts 72 NetCom 413 Top and Bottom Side ernrrrrnrrrvrrrenrrrrnrrrrrrrrrrrenrrernrsrrrsennn 73 1 3 TABLE OF TABLES Specifications COMMON ua seas van 8 Characteristics of NetCom 111 and II 9 Characteristics of NetCom ALe NSG 9 Characteristics of NetCom 411 and A13 10 Characteristics of NetCom 811 and SI 10 LED Fn 6 5 Wee Peter etn a A aa EAT E 12 Switch Configuration of NetCom 113 413 and RI 68 Switch Configuration of NetCom 111 411 and Ri 69 Switch Configuration of NetCom 211 69 Signal Assignment DB9 female rrrrnnrrorrnronrrrnnvrenrrerrererrerensrsnneseneeenn 70 Signal Assignment RJ45 and DB9 male cable uw ee eeeeeeeeeeeeeeeeee 70 2 INTRODUCTION This manual covers several different models of NetCom Devices In general the operation is the same on all models except where explicitly noted otherwise The VS NetCom devices are designed to remotely operate serial ports over networks They have 100Mbit Ethernet as the network interface The transport is implemented via TCP IP protocol Th
25. Retrievakoptonsnaussssvaasevt dumme 43 TT ORSON DE EE NR A EAA REVERS 44 NetCom Server Information Luanda 44 Menu select serial port for configuration ssorsnronvronrvonrrvrnrnrnrnnrrneenn 44 Config Communication Parameterz 44 Serial Bn EE e EE 45 Standard Flow Controls EE 45 Advanced Flow Control configuration ssrersnrrrvrrrrnrrrnrrrrnrerrrrrrnneennne 45 Config Data Transfer Mode TCP IP msepssneestseesdererennd kese Ed SE 46 TCP Ports for Driver mode and Raw Data 46 Available Transfer Keeser eEer eegen 46 Parameters for transfer modes aasesaresseN SES 47 Driver Mode p r meterssuansnpandestudardeniudeaT visa 48 TCP Raw Server parameters ard een 48 TCP Raw Client parameters EE 49 Null Modem Tunnel parameters CSS deed CNN e Eer 49 UDP Mode parameters uvuanasinannmsmsqsandlss enke 50 Ke EE 50 Ping test EE EE EE EE 50 Statistics for serial E 51 Status aind Statistics EE 51 Nett 51 Sample N tst t outp t ua eege ee 51 GEERT 52 DEE e EE 52 Uer EE EE 52 Settings Firmware Update via TCP IP rnrnrnroronrnrnnrrrvrrrrnnrrrrsrensrernnernn 52 Save actual Parmer 53 Exit from Geteste au behand 53 ERIC GNC De suse 53 Select NetCom OA 55 Excluded NetCom EEN EE EES eet 56 NetCom Manager Ports View 56 Reconfigured NetCom fond pusser nakne needed 57 Replaced NetCom found ass 57 NetCom COM Port Serial Senge 58 NetCom COM Port Performance Settnges 59 NetCom COM Port Network amp Misc Dropertes 60 NetCom COM Port
26. Static Confgeuraton 66 8 1 2 DHCP ugedoe gedeien steet ege 66 8 1 3 Automatic Configuration ADIDA 67 8 1 4 Other Comino ra OM gx eder 67 9 HARDWARE DETAILS cccccseseseeeeeeeneeees 68 9A SERIAL PORT geed eee 68 9 2 SIGNAL ASSIGNMENT eesesseessvevessvevensvevensvesenesesennseseneee 70 9 3 VIEWS OF NETCOM eesoeessveeessvesessvesensvesessvessssvessnseessnsee 71 10 TROUBLESHOOTING GUIDE rennvnnnnnnnnnnnvnnnennne 74 11 GLOSSARY OF TERMS ccsecsseeeseeeeeeeees 77 1 2 TABLE OF IMAGES Tastallation Wizard EE 14 Start Driver Installation EE 14 Discover and Select NetCom Devices for Installation 0 00 0 15 Define NetComs IP Configuration sssoronrnrornronrvrnnvrenrrrrrnnerrrrensvsnnen 16 Use current drivers dialog Lunsasevsiseanedneere utd 17 Install drivers for the serial portsauLLnssiumnjansetedendketd 18 VScom drivers in the Start Menu 18 NetCom in Device Manager ass 19 NetCom Manager N D ss 19 Uninstall NetCom Drivers u uumvssinrsisrinstvnsddkisridjeivnitneb 20 NetCom Manager ss 21 NetCom Manager Servers Pindar 22 NetCom PP ren NS 22 Webinterface for configuration sed EEGEN 23 Webinterface Request to Reboot eee eccceseceseceseeeeeeeeeeeeseceteeeeeeensees 23 Web Panel Server Inform tioniu musesaniiiisedkmeranrinidsdsee 24 Web Panel Server Parameter usa 24 Web Panel Anthentieati tis 2 teeeeetecctesticecskessnkivendsateuteeevdadudeoties 25 WebrPamel Date KE
27. Then the Manager requests interaction from the p Server of type NetCom_111 and serial number 40100231 was found with changed ip user This question here pae assumes the NetCom i shall be installed from scratch This will produce a Com port with a new number If just a reconfiguration occurred click on No When you do that the parameters of the installed Virtual Com are changed to contact the same serial ports on a new network address The second case occurs when a NetCom is replaced by another device This new device shall have the same configuration especially the same IP Address When you start the NetCom Manager it will detect a new device with parameters already in the database So a similar question bal appears An installation of a new P Server wth IpiPort 192 168 1 247 0 was probably replaced serial port is assumed again If the a EE device shall replace the old one Click on the No button SCNP CONFIG xi Image 86 Reconfigured NetCom found Image 87 Replaced NetCom found In general the driver software and the NetCom Manager identify the NetCom Devices by the combination of IP Address and serial number If one of these is changed the above requests appear 57 6 2 CONFIGURE THE SERIAL PORTS When the serial ports are installed by the Virtual Com driver software any application may use them In the Device Manager they appear as NetCom COM Port Image 8 NetCom in Device Manager Witho
28. This UDP Port Dest 2002 protocol requires a UDP Port local UDP Timeout 0 for listening to incoming data Other UDP Trigger stations on the network send their data Image 28 Web Panel UDP Data Transf l E EE EE gaere port The Destination host is configured by IP Address or name plus the target UDP Port Dest UDP Timeout defines when NetCom sends the received data as a UDP Frame If the reception of serial data is interrupted for this time in milliseconds the data sampled so far is sent to the destination UDP Trigger defines a sequence of characters As soon as this sequence is detected in the received data all data up to the end of this Trigger is sent to the destination In most situations such a Trigger includes control or other special characters Enter them numeric as xHH where HH is the hexadecadic code of the character or as OOO where OOO is the octal code of the character The backslash itself must be doubled as 30 5 1 3 WEBBROWSER NETCOM TOOLS Since Firmware version 1 6 0 the available tools are e The Ping utility to check if a station is available e Statistic information for each serial port e The Netstat utility to monitor used TCP connections e The option to update the firmware e Saving of Configuration to Loading from a file e Syslog e DebugLog 5 1 3 1 Ping Ping Enter the IP Address or the name of a station IP Address 127001 in the field
29. VS NetCom Devices User Manual for NetCom 111 113 211 411 413 and 811 81 ERR SSR RANN Beset 10 100M o o a s eee Tee Ethern et 0070 0990 0 0 49 Sg as 0 90 ke 2 wen Ki H LU 0000 0 e ei SSeeeeert LU o Se KAS e oe se seseee ote Ch 1 TABLES 1 1 TABLE OF CONTENTS d TABLES EE 1 1 1 TABLE OF CONTENTS eseesseseessvnesssnneensvnsensvesensvesensseseneee 1 1 2 TABLE OF IMAGES sisississessisenasidcatascrusscesescceseseiuccossesisssenes 3 1 3 TABLE OF TABLES esseesseeeseossooessoeesseessoesseoesooeesoeesseesseese 6 2 INTRODUCTION snasaasnasnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnn 7 2 1 REASTURERG eege Add 7 2 2 PRODUCT SPECIFICATIONS eesevseessvveessvevessvevenssesenseeee 8 2 2 1 Common Char ctenstiosunssadmsusadmdukd 8 Dees Specific Characteristics E 9 SR NetCom 111 and Tee ee 9 2 222 NetCom 2 liea e amann ane 9 Se NetCom 411 and 413 paaske 10 2 2 2 4 NetCom 811 eet geed 10 23 PACKING LIST uugsosenesebsstkitesnasneintistst 11 3 HARDWARE CONFIGURATION rennnrnnnennnevnnennn 12 3 1 POWER SUPPLY Ladders 12 3 2 ETHERNET EE 12 3 3 SERIAL PORT SIMPLE SETTINGS soseeosevevessvevsnseeeees 13 4 WINDOWS DRIVER QUICK INSTALLATION 14 4 1 INSTALLATION PROCEDURE u 0 cccssscccsssccssseeeees 14 4 1 1 Start the Installation Wzard 14 4 1 2 Find and configure NetCom Devices s ssssssseseesesseee 15 4 1 2 1 Conf
30. address is tested It became widespread with Windows 98 The netmask is 255 255 0 0 the addresses are not routed on the Internet Automatic Receive Transmit control Special control for RS485 modes In RS485 the line driver for transmitting must be disabled tri stated when the device does not send data In a 2 wire configuration this is known as data direction change with 4 wire it is called line contention Dynamic Host Configuration Protocol A service used to retrieve an IP configuration from a database File Transfer Protocol A common protocol to access a file server HyperText Transfer Protocol The protocol used by web browsers to access a web server The net connecting networks A set of protocols to exchange data between different networks These information s are carried via a global network of fibres and satellite links Internet Protocol The basic definitions for data packages These Internet frames are stored and transported embedded in data frames of the local network 77 IP Address Internet Address The Internet address is noted as a group of 4 decimal numbers Each station on the Internet has a unique address Some ranges are reserved for private networks not connected to the Internet LINKLOCAL This is a reserved address range for private i e not connected to the Internet networks Designed for small number of stations Used with APIPA NAT Network Address Translation A technique to have a pri
31. are Version 1 0 the model of the NetCom followed by Serial Nr 0090199339 the version of Software and Hardware UpTime 0 day s 07 07 42 n p 5 ear ms This will give a rough overview ontact lt unset gt i SS a which features are implemented or Location lt unset gt Image 16 Web Panel Server Information Need an upgrade of the firmware The Serial Nr is important to identify the device you are configuring right now For further information the UpTime is listed Contact and Location are User defined information They may later help to find the device in the installation and the person responsible for management 5 1 1 2 Server Parameter Server Parameter The Server Parameter allow configu Warming for changes like network settings ration of the NetComs name and of Server Name NetCom_0010100494 course all parameters in IP settings So IMAC Address 00 04 D9 80 0F F0 far the name is just informative e g in DHCP Dee i the NetCom Manager program or pA 122 168 127 SNMP Manual changes of IP Ween aa parameters are only available with ae DHCP set as Disabled When Sais DHCP is not used enter IP Address Domain NetCom YScom com tw and Netmask as well as the ConfigPort GG Broadcast address Gateway is IKeepalive Of gt required if there are Routers in the IKeepAlivelnterval I network DNS is used to access other Ima
32. at analysis Proto Local Address tcp 0 0 23 EG 80 tc 2000 te 22001 te 2010 tc 22011 Ee 2020 tG 2021 CG 2030 tc 22031 EG s 98223 ud 161 ud 33320 ud 2168 51 98310397 Image 75 Sample Netstat output O NOCoooooooosr HO GO 000005 00 Pie eene 0 OO OO OO OO OO OO Let n E O O OO Dn GS nl HNNNNNNNNNN DK ER EE ee 38 I 99998893 3 Oo OO OO OO O O OOo 2 we O un BLISHED OP ONO OO OO Oa ON O7O 030 0 0 OP OO OO OO Oooo an ve ODD 00 DD TC OD E TT 17 Page Up Down keys in your Telnet The display is refreshed in an interval of some seconds Use ESC key to return to the menu 51 5 3 4 4 Logging Since firmware version 1 6 the NetCom has two options of Logging There is the standard Syslog and a second option of logging via Telnet Statistic Netstat Logging Firmware Activate the Syslog and define the machine with the Syslog Demon running Also configure the Facility parameter You may also connect to a special Debug Port Logging on the NetCom to get all messages in realtime l l Image 76 Syslog Option Syslog Off Destination Facility BL Debuglog Off Debug Port 0 Image 77 Syslog configuration 5 3 4 5 Firmware There is an option to upgrade the Firmware of NetCom This is either done via the actual channel 26 i e the serial or Telnet connection Or hy Shere Eat
33. available modes and the switch settings Warning a bad configuration may cause serious damage in the NetCom or the connected device RS232 RS422 RS485 by ART Note 2 RS485 by RTS Line Mode Comment SI S2 3 S4 SE Configuration via serial port 1 Off Off wine Data communication Off Off On On Reload Factory values Off On E Off on on on 4 wire Full Duplex On Off 2 wire Half Duplex with Echo On On off On 2 wire Half Duplex without Echo Off Off 4 wire Full Duplex On Off 2 wire Half Duplex with Echo On Off Off On 2 wire Half Duplex without Echo Off Off Table 7 Switch Configuration of NetCom 113 413 and 813 68 Switch Line Mode Comment SI Si S3 S4 positions Configuration via serial port Hor Off Off RS232 Data communication Off Off On On Reload Factory values To Off On Table 8 Switch Configuration of NetCom 111 411 and 811 Line Mode Comment SI 2 Se Configuration via serial port TTT Off Off eil RS232 Data communication On On d Reload Factory values Off On d Table 9 Switch Configuration of NetCom 211 Note 1 Configuration via serial port and Reload Factory values is only effective on port I of any NetCom Device Note 2 ART is the Automatic Receive Transmit control In RS 485 this is the recommended option The NetCom performs the required activation and disabling of the RS 485 transmitter by automatic It is available in NetCom 113 413 and
34. c below If the selected Ehe SC value is not possible an error is RxTriggerLevel 1248 4 TxFifoLength 2048 displayed Also configure FRIGG reves 800 1 character size parity mode and the Image 58 Serial transfer parameters length of the stop bit The settings of RxTriggerLevel and TxTriggerlevel define when NetCom issues a buffer empty full message If the values are less than 16 they have direct impact on the handling of the serial port hardware FIFO Also if you change the UART Model to 16450 the FIFO size is configured to support a single Byte This option reduces latency times by increasing the network traffic FlowType opens a submenu of DataBit configurations Handshaking is Parity i StopBit available via Standard XON XOFF or RTS CTS Also possible is the RxFifoLength RxTriggerLevel Advanced i TxFifoLength use DTR DSR There is also an Image 59 Standard Flow Controls Advanced option for detailed and customer specific configuration FlowType Configuration This Advanced allows to configure the flow control ma special menu Every combination EE for incoming and outgoing off flow control may be defined with AutoTxXOnXOff off N AutoRxXOnXOff off this option Image 60 Advanced Flow Control configuration 1 45 5 3 3 2 Data Transfer Modes SerialPorts Serial Settings Image 61 Config Data Transfer Mode TCP IP Transfer Settings Port
35. chsuchen Image 35 Web Panel Save Load Configuration It is possible to save the actual configuration to a text file This is first implemented in Firmware version 1 6 Of course it is also possible to load the saved configuration into a NetCom 5 1 3 6 Logging and Debug Syslogging requires a server the information is sent to Facility allows to select the data sent to that server Destination For Debuglog the NetCom behaves as the server Open a TCP connection to the configured port and receive all information Debuglog Off v generated Syslogging Syslog Off Facility S Debug Port H Image 36 Web Panel Syslog amp Debug 33 5 2 CONFIGURE WITH MANAGER PROGRAM Shipped with the NetCom Devices there is a versatile program for Windows Operating System named NetCom Manager This program shall detect manage and configure the NetCom Devices in your network You can start it by several ways First of all it is stored on the CD ROM named NETCOMMGR EXE NETCOMMGRNT EXE on Windows NT It is possible to start it directly from the CD ROM See this Icon to the left When the Virtual Com Drivers are installed there are more options to run the program In Windows NT the same Icon appears in the Control Panel to Image 37 start the NetCom Manager program NetCom Manager DI UYE DET AI DUS LLN LIT GH Vision Systems GmbH gt 2 NetCom Manager NetCom Scan for hardware changes x Uninstall I
36. e bit of theory is provided here 8 1 RECOMMENDED SETTINGS Basically every device on the LAN has a so called IP address In typical small networks the IP address is similar to 192 168 X Y and there is a corresponding netmask of 255 255 255 0 The X ranges from 0 to 255 while Y is from 1 to 254 The combination of X Y must be unique in your LAN i e two stations must not have the same configuration 8 1 1 STATIC CONFIGURATION All stations on the network have a fixed IP Address In small networks this is typically of the 192 168 type To configure NetCom for your LAN it must have the same 192 168 X as your computer and the same netmask So it needs a unique Y to establish communication 8 1 2 DHCP CONFIGURATION Another typical configuration is the automatic configuration This requires a dedicated server in the LAN which serves as a so called DHCP server Every device can send a request the reply is a special configuration for this device on the network The NetCom Devices support DHCP so just activate it For best operation the DHCP server itself should be configured It may identify the NetCom Device by its MAC or Ethernet Address There should be an internal database to always provide the same IP Address to stations with a given MAC 66 8 1 3 AUTOMATIC CONFIGURATION APIPA A different type of automatic configuration is used by Windows If the stations are prepared for automatic settings it will search for a DHCP s
37. erefore control is available via Ethernet Intranet and Internet The supplied driver software hides the network transfer from your applications Software applications using standard COM ports need no change to operate via NetCom through the virtual serial ports The devices come with a steel case well suited for industrial environments NetCom supports high serial speeds up to 460 kbps The serial ports operate in common RS 232 mode The models NetCom 113 and 413 also offer the industrial RS 422 and RS 485 configuration In RS 485 mode the NetCom may use the Automatic Receive Transmit ART control logic to follow the RS 485 specifications for transmitting data No special code is necessary to be implemented in your software applications 2 1 FEATURES Single power supply 9V 30V 200 600 mA 12V Ethernet 10 100BaseTx for auto configuration Three serial port interfaces RS 232 and RS 422 485 Max 460 800 bps half and full duplex TCP IP configuration fixed or by DHCP Easy remote configuration via SNMP Drivers for Windows and Linux operating systems Documented interface for every networked operating system VVVVVVVV 2 2 PRODUCT SPECIFICATIONS Most of the characteristics are common for all models However some must differ from model to model 2 2 1 COMMON CHARACTERISTICS Processor Memory Ethernet connector Serial Speed Parity Data bits Stop bits Protocols Management Driver software Management software
38. erver see above But in SOHO networks this server might not exist Windows detects this failure and the computer self assigns an IP Address This address is from the reserved LINKLOCAL block for such purposes The IP Address is like 169 254 N N where N N is from 0 1 to 255 254 the corresponding netmask 255 255 0 0 is mandatory The address is selected by random and checked if already used The NetCom Devices do not support this method However it is legal to assign a static address from this range to the NetCom Try to find an unused address in you network starting at 169 254 0 1 Check by PING and ARP if the address is used If not assign it to the NetCom This is only a workaround The better solution is to install or configure a simple DHCP server program Typical SOHO Internet routers of today already have such a server Or you may change your network to static configuration 8 1 4 OTHER CONFIGURATION If the configuration of your computer differs from these examples strong reasons are likely Ask your network administrator for proper parameters in this situation 67 9 HARDWARE DETAILS So far many details of the hardware are not covered The information is provided in this section 9 1 SERIAL PORT The serial ports in the NetCom Devices follow the specifications of RS 232 On some models it is also possible to use the serial port in RS 422 or RS 485 mode This is defined by a set of DIP switches Here is a list of the
39. etCom Open a console window and use the Telnet lt IP Address of NetCom gt command to connect The configuration menu appears If not open NetCom Manager and check the setting of Telnet port in the NetCom The default is the name telnet or the number 23 6 Telnet to the serial port of NetCom Open a console window and use the Telnet lt IP Address of NetCom gt lt data port gt command to connect Everything you type is sent out through the serial port Every data received is displayed on the screen To check the operation place a standard loopback plug to the serial port Then you see your own data as an Echo while typing 7 Check the Device Manager for error messages 8 Run Hyperterminal and open the serial port of NetCom device Use the loopback plug to see the Echo of your typing Use a Null Modem cable and connect it from COM1 to the NetCom Open a second Window of Hyperterminal for COM1 Send some data between these two windows Transfer a file using ZMODEM protocol 9 Often so called Personal Firewall programs cause unspecific errors when other software starts communicating Check the documentation of the program to see how to allow access Many other problems occur because of a failed serial connection caused by wrong cabling Here are some frequent causes 10 The serial cable in RS 232 mode may simply be to long This mostly happens with higher transmission rates 75 11 The adapter provided with
40. etCom Device you have two or for positions NetCom 211 Other devices 13 4 WINDOWS DRIVER QUICK INSTALLATION This section describes the minimum steps required to install the Windows Driver and Management programs Most configuration options are ignored They are covered in later sections Before starting installation it is essential to have an IP configuration ready for the NetCom Device to install You may read the section TCP IP Description below In many networks the default configuration is fine If in doubt please ask your Network Administrator for help The following description is based on Windows XP Professional with Service Pack 2 installed The installation on other configurations of Windows XP is similar 4 1 INSTALLATION PROCEDURE The installation of drivers is described first This is followed by a procedure to verify a correct installation The last part of this section is the uninstall process 4 1 1 START THE INSTALLATION WIZARD This is the Installation Wizard it is named am VSNSETUP EXE You ll find it on the CD ROM shipped with the NetCom in the directory responsible vsnsetup exe S R for your operating system The drivers are also Image 1 available on the Internet in the latest version The Installation Wizard Installation Wizard for WindowsNT is named VSNSTUNT EXE Start this program to install the drivers Your screen displays a Vscom logo Select the folder to install programs and drivers into
41. figure the Default gateway and the Name server Without DHCP you must enter these parameters by 36 yourself However they are not required in all configurations So enter 0 0 0 0 if they are not used 5 2 3 NETCOM SERVER SETTINGS PORTS E Info Ports Firewall Options ka NetCom_0090100555 Port s for this server Remote Name Ton neger Exciude serial 2 v i serial 3 5 2020 Jl serial 4 2030 TCP Control I Properties Exclude Auto Rename Verify Cancel Verify Image 42 NetCom Ports Panel The Ports panel lists all serial ports of a NetCom Some of the options are driver related e g the Com Number Each serial port may operate via three TCP ports The TCP Control Port is used in the Virtual Com Driver mode and also in Null Modem Tunnel If Driver mode is not desired this parameter is ignored almost always The TCP Data Port is used to transmit data to and from the serial port Use the default or change the value to the settings required for your network There is also a UDP Data Port used in packet data transfer You can not switch the NetCom to UDP mode with the Manager But if it is already in this mode you can change this basic parameter 37 5 2 4 NETCOM SERVER SETTINGS FIREWALL E Info Ports Firewall Options S NetCom_0090100555 Firewall settings d Address 192 168 254 254 Port sn
42. ge 17 Web Panel Server Parameter stations by name The ConfigPort is used to access the NetCom for administration via Telnet It is suggested to use the standard value for Telnet TCP port number 23 However it may be changed for different purposes This does not change the function of the Telnet menus KeepAlive is an intrinsic function of the TCP IP protocol If used it causes network traffic but problems are detected earlier In a LAN this is usually not a problem However if used via DialUp connections this may cause problems If this functions is used you must define an interval in seconds NetCom has a better chance to react on network 24 problems or failed hosts Even dropping an old connection may be useful in certain environments 5 1 1 3 Authentication Authentification Authentication sets a password to restrict access to the configuration of Password NetCom To protect against accidental panne rae mistyping you must type the Image 18 Web Panel Authentication Password again 5 1 1 4 Date amp Time Date and Time Setting It may be helpful to have a correct time setting in the NetCom You Date amp Time 28 04 2004 07 37 05 UTC 0 may manually enter the time here But since Firmware version 1 6 it is EES possible to configure NetCom for automatic time retrieval via SNTP State terval W Define State for retrieval method Mode as of Interval or Startup or
43. gs Off On Connect and Polling Please note this option is effective only in Driver Mode and Null Modem Tunnel If the Keep Alive function is required in the other modes the global option in Server Parameters is available o Off no KeepAlives o On Connect when a client is trying to connect to the server and there was a connection before the server checks if the first connection still exists If it does not exist anymore the server accepts the new connection o Polling the server checks in KeepAlivelnterval seconds if a connection still exists There are predefined modes usable as compact configuration options Listed and described below 5 3 3 2 1 Driver Mode In Driver Mode NetCom operates as a server It accepts connections on the Data and the Control port Both must origin on the same computer Driver Mode this is checked The para TCP Port Control 2000 meters for Keep Alive apply TCP Port Data 2001 in driver mode Only a single KeepAliveMode Seen client computer is allowed at KeepAliveInterval 0 a time The Control port set Image 65 Driver Mode parameters to zero is TCP Raw Server 5 3 3 2 2 TCP Raw Server Mode TCP Raw Server The NetCom also operates as EE E Fach a server in this mode It only Max Clients EIS accepts raw data connections Image 66 TCP Raw Server parameters to the Data port this is also possible in Driver Mode In Raw Server mode multiple clients may connect Serial data recei
44. h a Trigger includes control or other special characters Enter them numeric as xHH where HH is the hexadecadic code of the character or as OOO where OOO is the octal code of the character The backslash itself must be doubled as 5 3 4 TOOLS MENU 5 3 4 1 Ping The Ping tool allows for verification of network settings Try to reach some hosts in your local network Statistic Netstat Logging IP Address to ping to 192 168 1 42 Firmware Image 71 Ping test utility Image 70 Tools menu 50 5 3 4 2 Statistics The Statistics are presented on a by port base So you first select the serial port and then you have i the information about modem status and control E Also the amount of data transferred is shown ogging Firmware Line Status Image 72 Statistics for PTR off 0 serial ports DSR off 0 RTS off 0 Crs HEE 0 DCD off 0 RI off 0 Common Serial Tx 0 Serial Rx 0 Image 73 Status and Statistics Netstat Netstat is a common tool to display the actual status of network connections It may be used to monitor the actual status of the NetCom Ping Statistic i bag This is a sample result of Netstat When there is ogging S i Firmware more to display it will start with 1 2 in the first line Or even more for a long list You may change to a different page by using the Image 74 Netst
45. he IP Address of the NetCom Start your Telnet program set it to use a terminal emulation of VT100 This is recommended but VT52 is also possible The Telnet session is closed by the NetCom when no user input occurred for at least 3 minutes In your Telnet establish a connection to the NetCom If the configuration port is changed from the default 23 for Telnet use this port If the NetCom is password protected you need to enter the password right now Please enter your password Image 45 Password protected Telnet option When connected to NetCom you must define the type of terminal used Please choose your terminal type 1 VT100 2 VT52 1 1 Image 46 Open configuration menu 40 5 3 1 TELNET MAIN MENU The configuration with Telnet is menu driven NetCom 411 V1 6 0 SerialPorts Tools h HELP Server configuration settings Image 47 Main menu configuration console This is the start point for configuration ServerConfig has all options to configure the NetCom device itself including the IP Parameters to access it SerialPorts defines settings related to the serial port Tools has some utilities like PING or displays statistics In Exit you may leave the menu or reboot the NetCom At any time you can get a short hint by typing H for help 41 5 3 2 SERVER CONFIGURATION MENU 5 3 2 1 Parameter Selecting Parameter brings up all Network configu
46. his is NetCom 211 On the left are the two RJ45 for COM1 and COM2 with the configuration DIP switch The right side is the same as on NetCom 113 with Power connector Reset and Ethernet RJ45 71 Image 98 NetCom 411 Top and Bottom Side On NetCom 411 there is the Ethernet RJ45 the single configuration switch and the power connector On the top side the serial connectors Image 99 NetCom 413 Top and Bottom Side This is NetCom 413 with four serial ports capable of RS232 and also RS422 485 The bottom shows the Ethernet RJ45 connector the four configuration switches and the power connector The top displays the serial connectors as DB9 female 173 10 TROUBLESHOOTING GUIDE The most common problems when using NetCom are caused by a failure in the configuration of network parameters This is a list of some symptoms and tests to check them 1 2 First examine the network configuration of your computer Open a console window MSDOS command prompt and use the command IPCONFIG ALL to retrieve the information Among other information some data is displayed as this Ethernet adapter Local Area Connection Description lt Your LAN card gt Dhcp Enabled 2222 YES Autoconfiguration Enabled Yes IP Address 0000 184 188 1 LSA Subnet Mask 255 255 255 0 DHCP Server 192 168 1 1 If DHCP is activated and there is a DHCP server found the configuration is OK A common prob
47. igure IP Parametersvunnnasnemmuia nkssnsndn 16 4 1 3 Install Dies ae een 17 42 VERIFY THE INSTALLATION esesesesevssevsvsssnsvsnsnenessneee 18 4 3 UNINSTALL THE DRIVERS esoseesvvvessvvvessnseessnsvessnseeneee 20 5 SOFTWARE CONFIGURATION ccccccesseeees 21 5 1 CONFIGURE IN WEB INTERFACE seoosovevssevevsnsveseneee 23 5 1 1 Webbrowser Server Confgeuraton 23 5 1 1 1 Serv r NfO EE 24 5 1 1 2 Server LEE 24 511 3 Authentication ee ee ie 25 5 1 1 4 RENE EE 25 5 12 Webbrowser Serial Port Configuration rorrrrrrvrrernn 25 5 1 2 1 Serial e 26 5 1 2 2 Transfer SOUS egene EEN 27 12 2 Le Diver Mode eer a OSGA 28 TLLA KEE E 28 5 1 223 TER Raw Clent uniuavninenrudvnidedrn fader 28 5 1 2 2 4 Null Modem Tunnel 29 5 1 2 2 5 TCP Advanced Settings rorenrrrrrrrrrrrnrrnrrrnrrrrrrrsnrernre 30 5 1 2 2 6 UDP Data Transfer 30 5 1 3 Webbrowser NetCom Tools 31 5 1 3 1 PEN 31 5 1 3 2 IEEE SE EP PP 31 5 1 3 3 Netetak zeg ien Steane ER 5 1 3 4 EELER 33 5 1 3 5 Save and Load Confeuraton 33 5 1 3 6 Logging and Debatte guerten eege 33 5 2 CONFIGURE WITH MANAGER PROGRAM sek 34 5 2 1 Starting NetCom M ngerunussamerassasgredusk 34 5 22 NetCom Server Settings Info 36 5 2 3 NetCom Server Settings Bots 37 5 2 4 NetCom Server Settings Fmewall eeeeteees 38 5 2 5 NetCom Server Settings Optons 39 5 3 CONFIGURE NETCOM VIA TELNET CONSOLE 40 5 3 1 Telnet Main Menut Zed u
48. independently via a separate TCP IP connection Logging i This setting defines the parameter The Firmware is oe sent coded in base64 via very simple programs like Image 78 Firmware a second Telnet session or similar tools Update Firmware Update 2400 Start Update Image 79 Settings Firmware Update via TCP IP 52 5 3 5 SAVE amp EXIT MENU 5 3 5 1 Save Parameter When some changes are done it is possible to save these modified settings here Confirmation Exit is requested before doing this Reboot Image 80 Save actual Parameters You will not be surprised when you leave the menu by selecting this option If you made any Save Parameter Exit changes of parameters you must confirm to save these Image 81 Exit from configuration 5 3 5 3 Reboot You also leave the menu here But the NetCom is restarted This Ser activates any changes in the settings This reboot is necessary for some changes like IP configuration Others do not require a reboot Also here if parameters are changed during the session confirmation for saving them is requested Image 82 Exit and Reboot 53 5 4 CONFIGURE NETCOM VIA SERIAL CONSOLE In some situations it may be impossible to get network access to the NetCom Device If this happens e g by an accidentally misconfiguration neither Telnet nor the webinterface is functional It may be even impossible to use the NetCom manager program
49. is high the data is sent It does not matter if there is still data coming on the serial line If less data is received the NetCom waits some time for further data before sending the buffer The TxTriggerLevel operates similar for the transmission If the defined amount is received from the network the NetCom does not accecpt more data to transmit 5 1 2 2 Transfer Settings mam Gomm The Transfer Settings allow different modes They are selected by the basic Mode setting Depending on the current mode only some of the many parameters are useful The web configuration hides those parameters without function Basically the NetCom Devices can act as a server or as a client As the main difference a server waits for clients to contact it while a client actively contacts a server NetCom can do both and partially both at the same time Keep this in mind throughout this section Image 22 Serial Port Mode Selection 27 5 1 2 2 1 Driver Mode Mode Driver Mode z Only very few parameters have a Server function in Driver Mode NetCom is TCP Port Contro 000 operating as a Server It accepts two TCPPort Data Jm connections per serial port One KeepAliveMode On Connect connection is used to transmit the Keepalivelnterval 0 serial data this is the Image 23 Web Panel Driver Mode TCP Port Data And the other is used to transmit control information TCP Port Control
50. le de installation via the Device Manager may result in some driver files scattered in Windows There is also a separate uninstall item in the Start Menu This is the same procedure as in the Control Panel You are also asked to confirm the de installation of the drivers Je Vision Systems GmbH HS NetCom Manager Image 93 Uninstall in the Start Menu z i Are you sure to uninstall Y5com drivers from this system Press Yes to confirm Image 94 Confirm Uninstall of Drivers 64 You may also start the Installation Wizard a second time It will detect the installed drivers The options are to Re install the drivers this is What should be done Uninstall Installation type previos installation of VScom drivers was found Cancel Image 95 Installation Wizard to uninstall Drivers 65 similar to a repair installation And it is possible to completely uninstall the current drivers 8 TCP IP DESCRIPTION TCP IP is the protocol used on the Internet Nowadays it is also used in local networks This opens access to any device connected somewhere to the Internet But a simple contact like plugging in a cable is not enough The network has to be configured Your network administrator is responsible to do that If any question during configuration ask him Configuration means to set certain parameters in any device and computer Since IP configuration is a frequent source of problems a littl
51. lem is an IP Address like 169 254 xxx yyy because this is an automated address of APIPA If no DHCP server is present in the network a static configuration is recommended Here we prefer the range of 192 168 1 1 up to 192 168 1 254 for computer and NetCom Change the computers configuration and select a similar address for NetCom Start the NetCom Manager program Search for the device the Manager performs a discovery of available NetCom devices Check the properties of each device for a matching serial number Once the NetCom is identified check the IP Address and the Netmask If all this information is displayed as Zero the IP settings do not match your computers settings To correct this you need administrative privileges for your computer Start the NetCom Manager as Administrator and configure correct parameters in the NetCom Close the Manager program 74 3 Important The default configuration of NetCom may result in a fixed IP Address It will be the same for all connected devices As a side effect the Manager can not send a dedicated configuration to a certain device Therefore it is best to connect several NetCom one by one configure them connect the next and search for that device 4 Try to PING the NetCom Open a console window and use PING lt IP Address of NetCom gt to send some data The replies should reach your computer in a few milliseconds If they time out check the IP parameters again 5 Telnet to the N
52. ll view list view report view L Servers Le Ports H Log Window EA E BB 2 8 NetCom 0000000111 damian2 NetCom 0090100555 NetCom 0040100203 damian Properties Verify Exclude Search Add Remove Start Log OK Cancel Image 40 NetCom Manager Servers Panel The NetCom are listed here in the Servers panel Since the Search uses broadcast mechanisms the range is limited If you have routers in your network or you contact some NetCom via Internet you must Add them manually Enter the network parameters to access the NetCom Select a NetCom and click on the Properties button double click the Icon or use a right click Using Verify the NetCom Manager contacts the NetCom to check if it is properly configured and online Exclude is only useful in conjunction with the Virtual Com Drivers so skipped here Search repeats the search from the program start and may be used at any time Remove removes a server from this list This option is most often used to clear old data from the drivers database For monitoring purposes you may select a NetCom and Start Log for this It may be done for several Devices at the same time The output is visible in the Log Windows panel 35 5 2 2 NETCOM SERVER SETTINGS INFO xd Info Potts Firewall Options a NetCom_0090100555 Server Name NetCom_0090100555 Serial number 90100555 Product ty
53. m 413 only DSR DCD RI GND RS 422 Tx Tx Rx Rx GND RS 485 4 wire RS 485 2 wire Data Data GND Power requirement DC 9V to 30V 400 mA 12V Dimensions 169x93x29 mm WxDxH 169x99x29 mm with connectors Weight 500 g Table 4 Characteristics of NetCom 411 and 413 2 2 2 4 NetCom 811 and 813 Serial connector DB9 female similar to Modem Serial ports 8 x RS 232 configured by DIP switch RS 422 485 on NetCom 813 only Serial signals RS 232 TxD RxD RTS CTS DTR DSR DCD RI GND RS 422 Tx Tx Rx Rx GND RS 485 4 wire RS 485 2 wire Data Data GND Power requirement DC 9V to 30V 600 mA 12V Dimensions 169x93x42 mm WxDxH 169x99x42 mm with connectors Weight 900 g Table 5 Characteristics of NetCom 811 and 813 10 2 3 PACKING LIST V VS NetCom Power supply adapter 9v 0 5A for NetCom 111 113 and 211 12v 1 A for NetCom 411 and 413 12v 1 A for NetCom 811 and 813 Serial Null Modem adapter for each port CD ROM with driver and configuration software Quick Installation Guide L l 2 11 3 HARDWARE CONFIGURATION 3 1 POWER SUPPLY The NetCom device is powered by a single 9 30V power supply It requires 200 mA up to 1400 mA of current depending on the device type and voltage supplied A suitable power supply adapter is part of the packaging Connect the cable to the power jack at the rear side of NetCom and put the adapter into the socket The Power LED on NetCom red will light
54. m COM Port Remote Settings Properties The parameters on this tab control the operation of the serial port on the NetCom Device They are defined and activated by the driver software Tx Trigger Level The serial port on the NetCom Device buffers data for transmission to external devices If the amount of data in this buffer drops below this level the NetCom is capable to receive new data It will send a related event to the driver software Rx Trigger Level When the serial port has received this amount of data these are sent to the driver on the connected computer If the amount is less than this the NetCom applies a timeout of about 5 character times This means the timeout varies with the serial transmission speed Remote Flow Control signals the NetCom to perform the handshake on its own This is necessary because the network delay of some milliseconds is to long for reliable operation in many situations To use this option Firmware version 1 8 0 is required for the NetCom 62 Enable The configuration shown here is active when the pre defined performance levels are used When using the Advanced option Remote Flow Control is completely disabled Enable as required While it is best practice to configure as above you can disable certain events here CTS DSR and Tx XON XOFF control the output of data to the serial port And RTS DTR and Rx XON XOFF are used to stop tra
55. mage 38 NetCom Manager in Start Menu Image 39 NetCom Manager in Device Manager In Windows 2000 XP and 2003 Server the driver software installs a new device class Vscom Virtual Com The properties of the class open the NetCom Manager Additionally the installation of the drivers created a new program group in the Start Menu This section of documentation focuses on management of the NetCom Devices The options to configure driver specific options of the serial ports are skipped here This includes some buttons and panels They are described in total below in the documentation of the drivers and panels While in the configuration process a click on a button or a double click on an item opens properties or other options In many situations a right click with the mouse opens context sensitive options Just try it out The NetCom Manager is designed to help configure driver options So for very detailed configuration of a NetCom it is better to use the Webbrowser interface or do it via Telnet However here are the options 5 2 1 STARTING NETCOM MANGER When NetCom Manager is started it will Search the NetCom in your LAN This process may take up to 30 seconds The devices in a LAN 34 are typically found in the first seconds If this is enough for you you can stop the search by click on the Done button YScom irtual Com Properties d x General NetCom Servers icon view sma
56. mp Log Port default 1200 Verify Cancel Verify Image 43 NetCom Firewall Panel Many networks use a Firewall to protect the stations in the network from other networks including the Internet In some situations the contact to a NetCom must pass through such a Firewall To do this you must Enable Firewall and enter the Address of the Firewall The Manager configures a NetCom via SNMP The Firewall must have a special Port to receive those data and to transfer it to the internal network Enter this port The same scheme applies to the logging option By default a NetCom listens on port 1200 for logging connections The Firewall must also have a special Log Port to receive this connection and to transfer it to the NetCom 38 5 2 5 NETCOM SERVER SETTINGS OPTIONS xd Info Ports Firewall Options NetCom 0090100555 E Save to File Load from File Reboot Server Apply Changes Verify Firmware Update vs Password Change IT Exclude Server Enable Log Wed Oct 13 18 09 29 2004 NetCom_0090100555 Logging started Clear Capture OK Cancel Verify Image 44 NetCom Options Panel This Panel is available since software version 1 4 8 0 in this enhanced version A Safe to File of the configuration is available as well as the opposing Load from File of this data You can also Reboot the NetCom This
57. nsmission from the connected device An application has the option to use any combination of these methods at the same time The command to use them is transferred to the NetCom For example if the port is configured to use Hardware Flow Control the NetCom will control the RTS line and observe the CTS line If requested any of these methods may be unchecked In that case the driver software on the computer will control the lines Override App Settings In rare situations it is necessary to ignore the applications configuration Check this box and select the Flow Control to use with the device Limits These buttons are prepared for future software versions 63 7 UNINSTALLING THE SOFTWARE The drivers and services install as usual So it is easy to remove the drivers from the system The entry is found in Control panel section Add Remove Programs It is removed like other applications Add or Remove Programs iol x amp Currently installed programs T Show updates Sort by name 7 Change or gt 5 e Remove r Scom drivers for Scom Virtual Coms Programs a p Da ast On 19 10 2004 x t From your Add New Programs am Add Remove Windows Components Image 92 To uninstall the NetCom software You must confirm the uninstall operation and the devices are removed from the system Further all driver and configuration files are removed from the Windows and System directories A simp
58. nt to the serial port by the driver software 60 Rx Network Buffer Size This is the size of the buffer to receive data from the NetCom Automatic Trigger based on internal rules this checkbox selects a best practice value for Tx Trigger Level Deactivate it to control that parameter manually Tx Trigger Level Controls the time when data is sent to the NetCom If the Tx buffer holds at least this amount of data the driver immediately sends them If there is less data the driver uses a timeout to determine when to send them Network Timeout ms This is the timeout Overspeed This is a special option not really related to network communication There are old applications limited in the maximum speed With Overspeed you define a multiplier The baudrate requested by the application is multiplied with this factor The result is sent to the NetCom to configure the serial port E g the application may be limited to 38 400 bps but there is a modem capable of 230 400 bps on the serial port Set Overspeed to a value of 6 000 and configure the application to use 38 400 bps Open If Absent The NetCom may be used from a computer with a DialUp connection When this option is used the driver will delay the connection to NetComs serial port Even when an application opens the port and configures the parameters no data is sent The connection is established when data is sent to the NetCom or when stat
59. owever it is suggested you open the new NetCom Manager applet instead Change to the Ports view as in Image 85 NetCom Manager Ports View Double click on the small icon at the left side In this dialog go to the Local Settings tab as seen above 6 3 PERFORMANCE ISSUES However operation through the network causes some extra time which is approximately 5 Milliseconds With a port internal to the computer this time may be just some 100 Microseconds This has an impact on reaction times Some data protocols may be sensible A lot of configurations are possible to compensate for this But these have an effect on the sheer data throughput of the virtual serial port NetCom COM Port COM3 Properties i 2 x General Local Settings Performance Driver Details I j NetCom COM Port COM3 vitom IV Driver Default Best Performance Good Performance Short Latency Shortest Latency Cancel Image 89 NetCom COM Port Performance Settings Consequently the configuration starts on the Performance tab There are four already defined sets of parameters The default configuration is for Best Performance The driver software and the NetCom communicate with big data blocks As a result a reaction on short events on the serial port is somehow delayed For applications operating 59 with short data blocks and waiting for short answers this is not optimal It causes transmission delays
60. pe 411 Hardware Rev l 1 0 Firmware Rev 1 8 0 MAC Address 00 04 D9 80 17 FF Network settings vu Telnet port teinet 192 68 254 254 IP addres Netmask Broadcast Default gateway 0 0 A 0 A 0 Name server 0 e 0 0 0 Verify Cancel Verify Image 41 NetCom Server Settings As described above open the Properties of a NetCom Device The Server Settings start with the Info panel Configure the options as your network requires The Server Name is just for information As factory setting it inclues the serial number of the device You may change it to any string since there is no functionality related to the name This name is listed in the Server panel of NetCom Manager The next parameters are fixed and displayed for information only The Telnet port allows to configure this NetCom via Telnet The value is a TCP port Factory setting is the standard port for Telnet 23 By default the NetCom is set to Use DHCP for automatic configuration of IP parameters This is the suggested method However there are several situations where this option can not be used In this case deactivate it When inactive other parameters may be changed The basic parameters IP address and Netmask are mandatory If any of these is changed the NetCom Manager calculates a matching address for Broadcast You may also change this address The DHCP option will also con
61. poses ee Information is also Image 64 Parameters for transfer modes available On Screen when typing help NetCom usually acts as a network server This means it accepts incoming connections The most used Driver Mode is explained above It is possible to disable this option by setting Server to Off Usually there is only one client connection at a time but the limit can be raised NetCom can also operate as a network client but in most installations it does not This is enabled by setting Client to On In certain situations NetCom contacts a computer server defined by Destination to send data Most customers just need a Raw TCP connection to the server The target application is defined by the TCP Port Data If the server is another NetCom both devices can also exchange control information via the TCP Port Control There are two types of Connect Permanent and Triggered In Permanent mode NetCom connects to the server immediately If the connection is interrupted for some reason NetCom keeps trying until it is established again In Triggered mode NetCom connects to the server when data arrives on the serial port When no more data arrives ShortHoldTime in milliseconds defines how long to keep the connect before closing it Warning a time shorter than 1000 may cause problems 47 NetCom can monitor an open connection This is controlled by the KeepAliveMode which has three settin
62. r Control and Data A permanent connection is available via the TCP Advanced Settings 49 5 3 3 2 5 UDP Mode UDP is an Internet Protocol which does not define a connection There is no extra data to signal a successful transmission As a side effect data may be sent and received faster than with TCP IP UDP is available since Firmware version 1 4 0 Transfer Settings Please compare with the Ve parameters for TCP Raw UDP Mode Server and Client Modes UDP Port Local 2002 The parameters to Destination UDP Port Dest 2002 configure the UDP Mode e 0 are similar to a mixture of UDP Trigger Image 69 UDP Mode parameters these modes Since there is no connection as in TCP IP it is required to configure the NetCom to receive data via UDP The only parameter required is the local port number To define where to send the data NetCom needs the Destination and the port to address there Since there is no connection data can not be sent in a stream UDP uses packages There are several ways to define the content for a package UDP Timeout given in Milliseconds is an interval If no serial data is received for this time all data available so far is sent as a package A value of zero causes all data to be sent immediately UDP Trigger defines a sequence of characters As soon as this sequence is detected in the received data all data up to the end of this Trigger is sent to the destination In most situations suc
63. r for information If you need to define parameters manually double click the devices icon Server Settings EI Info Ports Firewall Options a NetCom_0090100555 Server Name NetCom 00s0100ss Serial number 90100555 Product type C Hardware Rev mm Firmware Rev han MAC Address 00 04 D8 8017 Network settings Telnet port fteinet IP addres Netmask Broadcast Default gateway 0 r D E 0 5 0 Name server 0 r D i 0 a 0 Verify Cancel Verify Image 4 Define NetComs IP Configuration This panel opens Deselect the Option of Use DHCP and place your parameters as IP address Netmask and Broadcast Click on the OK button 16 4 1 3 INSTALL DRIVERS You are now back in the NetCom Manager Click the OK button the installation continues Windows detects the serial ports on the fresh NetCom as new Hardware Since Windows XP Service Pack 2 you are asked about to get latest drivers Found New Hardware Wizard Welcome to the Found New Fag i I Hardware Wizard Windows will search for current and updated software by looking on your computer on the hardware installation CD or on the Windows Update Web site with pour permission Read our privacy policy Can Windows connect to Windows Update to search for software Yes this time only c ery time connect a device Click Next to continue lt Back Cancel
64. ration items listed below Authentification Date amp Time Image 48 Pull Down Server Configuration Server Parameter NetCom 0051100021 MAC Address 00 04 D9 80 00 14 DHCP Enabled IP Address 92 168181 Netmask 255 3255 255 0 Broadcast 92 168 1 255 Gateway 92 168 1 1 DNS 92 168 143 Domain netcom vscom com tw ConfigPort 23 eepAlive Off eepAlivelInterval 0 Image 49 IP Configuration Parameters Use the cursors to select the parameter you want to change Hit lt Enter gt to go in edit mode Type the new value Server Name identifies the device when the driver software searches for devices this will help you find the correct NetCom server DHCP is for automatic IP configuration IP Address Netmask and Broadcast are parameters you get from your network administrator Same applies to Gateway DNS and Domain The ConfigPort is 23 by default which is standard for Telnet You should only change it if you have strong reasons KeepAlive is the TCP intrinsic function of connection checking The related interval is defined in seconds 42 5 3 2 2 Authentication This menu allows to enter a password This password is later required to get Parameter N access to NetCom It is also possible to Date amp Time leave the password empty Image 50 Access Authentication Security Settings Password empty Image 51 Password Dialog
65. s either displayed with the exclamation mark or not displayed at all You may make it operational be connecting it now To install it use the button Search to find it in the network now Or Add it manually with that button E servers d Ports EB Log Window TCP Control Port TCP DataPort UDP Da vg NetCom 0 serial 1 aP NetCom_ serial 2 NetCom serial 3 wd NetCom_ serial 4 Properties Auto Rename Exclude Image 85 NetCom Manager Ports View Similarly you may exclude certain ports on a specific NetCom Server from installation as a Virtual Com port These are the special options used while installing the driver software At any time after installation the configuration may be changed by the NetCom Manager program This may result in serial ports appearing in or vanishing from the system 56 6 1 1 CHANGING THE INSTALLATION There are common situations when the current configuration needs a change In the first case the NetCom has been moved to a different location or the logical structure of the network has changed It may happen the IP Address of NetCom is also changed Either by Automatic DHCP or manually via a different interface like the Webbrowser Because of the changed address the driver does not find the serial port to contact Now open the NetCom Manager It will re detect the devices In this process the Manager finds the already installed NetCom but with a new configuration
66. shes the connection inactivity of longer than the ShortHoldTime cause NetCom to close the connection 28 5 1 2 2 4 Null Modem Tunnel Mode NulModem Tunet 1 This is a mixed mode requiring Server parameters for server function and TCP Port Controt 2000 for the destination The NetCom TCP Port Data 2001 operates as a server while accepting Client connections in Driver Mode If there Destination eigenen ig no current connection the TCP Port Controt 2000 NetCom may establish a connection TCP Port Datay 200 as a client This is also a special ShortHoldTime 0 connection using the Driver Mode MeopalvoMode Orcera protocol NetCom can will not only KeepAlivelnterval transmit serial data in both Image 26 Web Panel Null Modem Tunnel A p A directions it will also pass information about the current settings of the Modem Status lines And it will itself set the Modem Control lines as required by the other host Since this operation requires another NetCom to accept the connection both NetCom together operate as a long Null Modem cable The data is sent via a tunnel through the network The configuration as Server top requires the same parameters as the Driver Mode hence TCP Port Control and TCP Port Data The configuration as Client bottom first require a destination Here it is given by name but a direct IP Address may be more ususal On the destination there is also a
67. tches the current setting is displayed as PortType The serial port is based on standard UARTs the type and maximum speed are also displayed These are hardware Image 20 Web Panel Serial Settings parameters and can not be changed The current UART Model may be changed to a less advanced type In some situations it may be desirable to deactivate the FIFO memory or some other options The Baudrate may be selected in a drop down list or entered manually If Manual is selected in the list the value in the respective field is used to transmit data NetCom checks if the configuration is possible and warns otherwise DataBit per character Parity and StopBit are quite usual parameters The FlowType is available as standard configuration There is also an Advanced setting which gives very specific control to the user D e None z 1 e RxFifoLength 2048 RxTriggerLevel 1248 2048 e TxFifoLength TxTriggerLevel 26 Advance v NetCom can generate Events on RTS DTR or as XON XOFF when the serial AutoCTS receive buffer is filled emptied It will AutoRTS also respect the state of CTS DSR or AutoDSR XON XOFF when sending data to the AmoDTRIC connected serial device AutoTxXOnXOff AutoRxXOnXOff Image 21 Web Panel Advanced Flow Control The RxTriggerLevel defines when NetCom sends the received data to the host If the amount of data is th
68. the NetCom Devices is not a simple Gender Changer It is a Null Modem adapter and exchanges some signal positions With the adapter the serial port is like a PC Com without it is like a Modem Do not use this adapter when in RS 422 or RS 485 12 In RS 422 and RS 485 it is mandatory to also connect the GND signal of all devices It is a very frequent error not to do this The information is transferred and defined by the positive or negative difference of the Data and Data lines However the specification requires a common voltage range between the connected devices To ensure this range the connected GND is required 13 A network in RS 485 requires biasing resistors The Data line require a pull up resistor to 5V and the Data line need a pull down resistor to GND The value is about 750 Q to 1 KQ When no station is transmitting the Data lines float This will cause noise and strange errors The biasing resistors place a differential voltage to the lines at least 200 mV These resistors may exist on the network only once Therefore they are not implemented in the NetCom serial ports 76 11 GLOSSARY OF TERMS APIPA ART DHCP FTP HTTP Internet IP Automatic Private IP Addressing A scheme to self assign an IP Address to a network device The device selects an address of the LINKLOCAL range 169 254 0 1 to 169 254 255 254 by random If this address is unused it assigns it to itself Otherwise the next
69. us information is requested Keep Alive This option will periodically send control information to the NetCom to check if the connection is still operational As a side effect a DialUp connection will not automatically close Passive Modem This option controls how often the driver retrieves Modem status information from the NetCom If activated the driver never asks for the modem status Instead the NetCom informs the driver of any changes If an application frequently requests the Modem status it gets the last value received On slow networks like the Internet this option is recommended If inactive the driver software retrieves the Modem status from the NetCom serial port each time the application requests it With a maximum frequency of 10 per second If the latest retrieved information is not older than 100 milliseconds this value is returned 61 6 5 REMOTE SETTINGS PROPERTIES The other panel created by activating the Advanced checkbox on the Performance tab is the Remote Settings tab NetCom COM Port COM3 Properties E 2 x Network amp Misc Performance Driver Details General Local Settings Remote Settings I j NetCom COM Port COM3 vom Tx Trigger Level 800 DD Rx Trigger Level 1248 KID m Remote Flow Control JV Enable I Override App Settings Fos FE Iw DSR V DTR Limits gt IV TxXONKOFF V Rx XONIKOFF Limits gt gt Cancel Image 91 NetCo
70. ut special tests a program does not see a difference between Com and virtual Com7 For example the HyperTerminal program has no problem to communicate through these VirtualCom And this situation is common amongst most programs A typical application selects a serial port and opens it After that it performs the standard configuration of bits per character parity settings and number of stop bits Also the flow control handshaking is defined by the application Windows sends these requests to the port driver and this driver sends the requests to the serial port on the NetCom NetCom COM Port COM3 Properties 2 x General Local Settings Performance Driver Details ig NetCom COM Port COM3 vgtom Bits Per Second pater t C lt i YS Parity oe zl Stop Bits px Flow Control hoe px Restore Defaults N Cancel Image 88 NetCom COM Port Serial Settings The same parameters may be pre configured in the Device Manager This is done via the Properties of the NetCom COM Port In the Local Settings tab these standard parameters are defined Since most programs configure these parameters by themselves the values are very rarely used A typical situation is a serial printer attached to this virtual port 58 As usual this behaves different in Windows NT There is no Device Manager To change these standard parameters open the Ports applet in the Control Panel H
71. vate LAN share one public IP Address With NAT the transport information in IP frames is exchanged by the public data of the NAT Router Netmask Groups stations to a Net The AND operation between the IP Address and the Mask is an important value When to stations have identical value here they are in the same net Which means they can communicate direct without transmitting to a Router Router Transmits data over the Internet The backbone devices of the Internet Routers connect two networks together On one side they receive data frames containing IP data They extract these data and send them on another side there also stored in data frames of the second network Typically they connect more than two networks The basic task is to decide which route the IP data must take now RS 232 V 24 common serial transmission Characters are sent as separate bits timing is well defined The medium is copper cable using typical 12 Volt Each signal is defined related to a common ground one wire per signal plus GND RS 232 is a point to point connection 78 RS 422 RS 485 SNMP TCP IP UDP Industrial serial transmission multidrop A transmission method with differential signals Allows higher speed longer cables and is resistive against electrical noise RS 422 allows for up to 16 receivers The transmission is via twisted pair copper cable using differential signals Sender and receivers must share a common
72. ved is sent to each client all clients can send data The customers application is responsible to avoid data confusion and damage 48 5 3 3 2 3 TCP Raw Client Mode TCP Raw Client In Raw Client Mode EE the NetCom is a TCP Port Data 2001 network client Under de Fr defined conditions it contacts a server to send and receive data The server is defined by Destination and TCP Data port The Connect modes and Short Hold Time apply This configuration is often used when a single computer must monitor several stations and these rarely send data 5 3 3 2 4 Null Modem Tunnel Null Modem Tunnel This is a special mode Two NetComs Image 67 TCP Raw Client parameters Server TCP Port Control 2000 connect via network TOP PORS Ee 2091 and simulate a long Client Null Modem cable Destination TCP Port Control 2000 between the two TCP Port Data 2001 serial ports This ShortHoldTime 0 d V mode is symmetric KeepAliveMode On Connect both NetCom operate KeepAlivelInterval 0 as server and as client Image 68 Null Modem Tunnel parameters at the same time The server part operates in Driver Mode and waits for incoming connections Serial data is transmitted but also control and status signals on the serial port The client part waits for events on the serial port Received data or a change of status signals causes a connect The destination NetCom is defined by IP Address and the two TCP ports fo
73. voltage range max 7Volt difference Two lines per signal plus common GND RS 422 is a point to multipoint connection Industrial serial transmission multipoint The signals and cables are the same as RS 422 The transmitters can go tri state Several stations can send data on the same lines at different times RS 485 is a multipoint to multipoint connection Simple Network Management Protocol A general purpose configuration system Devices understanding SNMP may be configured and monitored Transmission Control Program Internet Protocol TCP establishes connections between two partners via the Internet The data is sent in IP frames each frame is acknowledged be the recipient Lost packages are repeated Software using TCP has a secured transmission the delivery of the data is guaranteed User datagram protocol Similar to TCP the data is sent in IP frames But in opposite there is no connection or acknowledge by the recipient The transmission is faster for small data but data can get lost Software using UDP must handle the related problems 79

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