Multitech ProxyServer MTPSR3-200, User Manual

Page 1: ...Internet Access for LAN Based Users Model MTPSR3 200 User Guide ...

Page 2: ...to notify any person or organization of such revisions or changes Record of Revisions Revision Description A Manual released All pages at revision A 10 22 99 Patents This Product is covered by one or more of the following U S Patent Numbers 5 301 274 5 309 562 5 355 365 5 355 653 5 452 289 5 453 986 Other Patents Pending TRADEMARKS The Multi Tech logo and ProxyServer are registered trademarks or t...

Page 3: ...dding RAM 14 Chapter 3 Software Loading and Configuration Loading your Software 16 IP Wizard Setup 19 WAN Link s Setup 20 Setting Up Your Remote User Database 22 Chapter 4 ProxyServer Software Introduction 26 Before You Begin 26 Proxy Setup 27 Changing IP Parameters 28 Changing WAN Port Parameters 31 Link Usage Control Group 31 Dynamic Bandwidth Allocation 32 MLPPP 36 Port Type 38 Changing Interne...

Page 4: ...er Telnet Server Menu 84 Dial Out 85 ProxyServer Management 85 ProxyServer Configuration 86 Remote User Database 86 Web Browser Management 87 Chapter 9 Service Warranty and Tech Support Introduction 90 Limited Warranty 90 On line Warranty Registration 90 Tech Support 91 Recording ProxyServer Information 91 Contacting Tech Support via E mail 91 Service 92 The Multi Tech BBS 93 To log on to the Mult...

Page 5: ...Chapter 1 Introduction and Description ...

Page 6: ...TPSR3 200 bonds bandwidth on a single account for up to three modems using MLPPP technology System management is provided through the command port using bundled Windows software which provides easy to use configuration menus Figure 1 1 ProxyServer Preview of this Guide This guide describes the ProxyServer and tells you how to install and configure the unit The information contained in each chapter...

Page 7: ...ote Access Server for Microsoft network users enables users to dial out and fax out through the MTPSR3 200 It provides information on installing and configuring the WINMCSI modem sharing software Chapter 7 Remote Configuration This chapter provides procedures for changing the configuration of a remote ProxyServer Remote configuration allows you to change the configuration of a unit by simply conne...

Page 8: ... on the back of the ProxyServer is turned On Figure 1 2 Front Panel Ethernet RD Receive Data indicator blinks when packets are being received from the local area network TD Transmit Data indicator blinks when packets are being transmitted to the local area network CL Collision indicator lights when a collision is in progress that is when two nodes are transmitting packets at the same time LK Link ...

Page 9: ...ase 2 Connector The Ethernet 10Base 2 connector is used to connect the ProxyServer to a LAN using thin Coax cable Note The link light for Ethernet does not light when using 10Base 2 Command Connector The Command connector CMD is used to configure the ProxyServer using a PC with a serial port and running Windows software The Command connector is an RJ 45 jack and is used with the RJ 45 to DB 9 comm...

Page 10: ...Kbps asynchronous Command Port using a short RJ 45 to DB 9 cable to connect directly to PC WAN Links Three internal V 90 K56flexTM modems with MultiLink Point To Point Protocol for a bandwidth up to 150 Kbps Electrical Physical Voltage 115 VAC Standard 240 Volts AC Optional Frequency 47 to 63 Hz Power Consumption 10 Watts Dimensions 1 625 high x 6 wide x 9 deep 5 63cm high x 22 34cm wide x 33 51cm...

Page 11: ...Chapter 2 Installation ...

Page 12: ...Server CD with the ProxyServer Software and User Guide in Adobe AcrobatTM format 1 RJ 11 to phone jack cables 3 external power supply 1 RJ 45 to DB 9 Command Port cable 1 Inspect the contents for signs of any shipping damage If damage is observed do not power up the unit contact Multi Tech s Technical Support for advice refer to Chapter 9 If no damage is observed place the ProxyServer in its final...

Page 13: ... DIN connector 2 Connect a PC running Windows to the COMMAND port on the back panel of the ProxyServer Use the short RJ 45 to DB 9 cable provided with your ProxyServer to connect directly to your PC or to the serial cable from your PC 3 Configure the ProxyServer for your application using the procedures in Chapter 3 4 Connect a network cable to either the ETHERNET 10BASE T RJ 45 or a coax cable to...

Page 14: ... the base will slide out of the cabinet 4 Place the unit in a position where the LEDs are facing you 5 Slant the new SIMM at a 45 0 angle to the back of the base and align the centering notch of the SIMM with the center tab on the SIMM connector 6 Gently press down on the ends of the SIMM until the two latches latch over the SIMM and the two vertical pins enter the holes in the SIMM Refer to Figur...

Page 15: ...Chapter 3 Software Loading and Configuration ...

Page 16: ... a network your PC must first be configured for network communications i e TCP IP stack must be installed and both the PC and the ProxyServer must be on the same physical LAN segment If you need to load the TCP IP stack refer to Chapter 5 Windows Client Setup 2 Insert the ProxyServer CD ROM into a CD ROM drive on your local PC The CD ROM should start automatically However it may take 10 to 20 seco...

Page 17: ... that you accept the default folder C Proxy 210 6 The Select Program Folder dialog box enables you to name the Program Folder for the ProxyServer files You can select the default name ProxyServer 2 10 or name it anything you like When finished click Next to continue 7 The ProxyServer Setup dialog box asks if you are configuring your ProxyServer through the COM port of your PC or over the LAN IP If...

Page 18: ...to the program group icons where you can choose any of eight ProxyServer utility programs 10 If you are configuring your ProxyServer over the network the IP Address Reconfiguration dialog box is displayed showing the default IP and MAC addresses of all detected ProxyServers in the top window and a suggested IP Address in the lower window From the top window select the ProxyServer you want to confi...

Page 19: ...erating on the local private LAN to prevent clients from receiving IP addresses from two independent sources If necessary obtain Primary and Secondary DNS IP addresses from the DNS tab under Network Protocol or TCP IP Properties or from your ISP 12 Click the WAN 1 option in the Select Port window and the dialog box changes to provide WAN Setup information Follow the on screen instructions to confi...

Page 20: ...pplied by your ISP for WAN 1 The phone number can be a standard local number or it can include a long distance prefix 15 Click the User Name for WAN 1 and enter your user name that you negotiated with your ISP for WAN 1 The User Name can be up to 40 alphanumeric characters The User Name is not case sensitive 16 Click the Password for WAN 1 and enter your password that you negotiated with your ISP ...

Page 21: ... by clicking the Install Manuals icon To install the User Guide click the Install Manuals icon select MTPSR3 200 and click OK the files will install at C Program Files Multi Tech Systems Inc PSR3 200 Documentation or you may click the Browse button and select an alternate directory 24 At this time your ProxyServer is operational however if DHCP is NOT being used verify that each client PC has an I...

Page 22: ... icon Win98 95 and WinNT users From your desktop click the Start button point to Programs then ProxyServer 2 10 and then click Remote User Data Base 2 The Users List dialog box is displayed Click the Add button 3 The Users Add dialog box is displayed 4 Build your user database by filling in the following fields for each user User Name The User Name can have as many as 39 characters All printable c...

Page 23: ... user will be called back The user cannot choose the location where he wants to be called back Call Back Delay Call back delay is editable only if callback security is enabled This specifies the duration after which the user will be called back at the administrator assigned number Protocols This lets you select the protocol s in which the user is allowed to dial into the ProxyServer Dial In Ports ...

Page 24: ...ProxyServer User Guide MTPSR3 200 24 ...

Page 25: ...Chapter 4 ProxyServer Software ...

Page 26: ...t on the ProxyServer The Uninstall ProxyServer Configuration utility is designed to remove the software from your PC The WAN Device Configuration utility allows you to configure the three WAN ports The Remote User Data Base option allows you to enter information regarding your remote users and the Upgrade Proxy feature allows you to download software updates from Multi Tech System s FTP site Note ...

Page 27: ...y and change the IP settings define the WAN ports change features such as the Internet DHCP Server ProxyServer and Virtual Servers display Statistics on the WAN ports control activation of Telnet TFTP and WEB servers and dumb terminal management test the communications link print messages received from the target ProxyServer and download setup information to the ProxyServer In addition to the Stat...

Page 28: ...ou would select the WAN port and disable the ISP Assigns Dynamic Address option This activates the IP Address and Net Mask fields for that WAN port You then need to enter a WAN port IP address in the IP Address field and assign an appropriate net mask in the Net Mask field You would then need to check the WAN Setup dialog box and change the Port Type for the selected WAN port to enable the Dial Ou...

Page 29: ...mple below a data packet sent from the remote client PC to access the remote Internet through the MTPSR3 200 must have IP Address 200 1 1 0 and Gateway Address 192 168 2 1 entered as the Static Route configuration This determines the return path the data packet will take back to the client PC LINK3 LINK2 LINK1 ETHERNET COMMAND POWER 10BASET 10BASE2 ON OFF MTPSR3 200 T1 Frame Relay V 90 K56Flex ISD...

Page 30: ...etwork in the static route In our example Static Route IP Address 200 1 1 0 indicates that PC clients on Routers with IP addresses beginning with 200 1 1 will be included on the static route The Address Mask is the IP subnetwork mask 255 255 255 0 of the target host The Gateway Address must be the IP address of the local router Gateway Address 192 168 2 1 on the next hop toward the target host and...

Page 31: ...field The default setting is enabled checked with an idle time of 10 minutes If you do not wish to use this option click to disable uncheck it The Bring up port if more than group allows you to configure WAN ports 2 and 3 to become active based on the level of traffic detected on the WAN links You can configure the Proxy to bring up an additional WAN port s based on the number of active connection...

Page 32: ...ad a separate frame therefore maximizing efficiency Since workstation 192 168 2 4 is the only workstation actively using the Proxy and is loading a Web page each WAN port will download a separate frame simulating a download of up to 150 Kps depending on the line conditions LINK3 LINK2 LINK1 ETHERNET COMMAND POWER 10BASET 10BASE2 ON OFF Internet Hub Modem 3 Modem 2 Modem 1 Web Page Elements MTPSR3 ...

Page 33: ... newly available bandwidth to the Web browser Another way to look at this example would be to have both Workstations A and B running Web browsers Each workstation is downloading a separate page but each can make use of the extra WAN port available on the Proxy While Workstation A uses WAN 1 and Workstation B uses WAN 2 they share the extra resource available on WAN 3 LINK3 LINK2 LINK1 ETHERNET COM...

Page 34: ...kstation IP Address 192 168 2 13 Employee Workstation IP Address 192 168 2 14 Employee Workstation IP Address 192 168 2 15 Employee Workstation IP Address 192 168 2 12 Employee Workstation IP Address 192 168 2 11 Marketing Employee Workstations Employee Workstation IP Address 192 168 2 23 Employee Workstation IP Address 192 168 2 24 Employee Workstation IP Address 192 168 2 25 Employee Workstation...

Page 35: ...Chapter 4 ProxyServer Software MTPSR3 200 35 Similarly the dialog box below shows the WAN 3 tab with the IP addresses of the Sales workstations restricted only to the WAN 3 port ...

Page 36: ... RASExpressTM both of which have built in MLPPP support In that case the three ports are bonded together to form a 150 Kbps connection with a single IP address on the Proxy end of the link The result is that if a workstation is engaged in an FTP session and no other workstations are utilizing the Proxy then that session can use the full 150K of bandwidth far more than can be achieved on a single d...

Page 37: ...t each tab and enter the identical User Name Password and Dial Number for each port Once this is done click OK and you will be returned to the Proxy Setup dialog box Enabling MLPPP also affects the WAN Setup dialog If you click the WAN button you will notice that the Port Type group has been set to Dial Out Only and Proxy Enable The rest of the Port Type options are inactive grayed out When MLPPP ...

Page 38: ... AG Enable feature can be used on WAN ports configured as Dial Out only or Dial Out In This feature is used to enable the ProxyServer to have a port available for a remote user running a communications package to gain access to an available port on the ProxyServer and dial out When you enable this feature the Asynchronous Gateway group at the bottom of the dialog becomes active Refer to the on lin...

Page 39: ...rotocols Password Authentication Protocol PAP and Challenge Handshake Authentication Protocol CHAP When you established your Internet account your ISP should have indicated which protocol it supports Your user name and password are displayed in the PPP group for those WAN ports that are going to be connected to the Internet The user name and password were enterred in the Default WAN Link s setup d...

Page 40: ...ering the termination of the link to the peer valid range is 1 to 20 with a default of 6 requests and Send Interval defines the interval that the LCP will insert between two consecutive LCP Echo Requests valid range is 0 to 65535 with a default of 0 seconds The Termination Request group allows you to configure the Link Control Protocol LCP Termination Request parameters Options include Maximum Num...

Page 41: ... individual IP addresses or a range of addresses are computers with static IP addresses e g a DNS server a WINS server and the DHCP server itself You can also add delete edit and bind addresses using the corresponding buttons in this group The Option Types and Values group at the bottom of the dialog box allows you to customize the configuration of the client platform You can add delete and edit a...

Page 42: ... new software programs are continually being developed to perform useful tasks For example you may want to add new database managers spreadsheets communications packages graphics programs etc anything that would make your job easier Editing considerations might mean enabling disabling protocols both TCP and UDP are enabled by default changing the ProxyServer description to be more easily identifie...

Page 43: ... could restrict all users at a particular site from accessing game sites X rated sites etcetera or users at a particular MAC address or IP address could be restricted from using the services of the ProxyServer or you could restrict all users from accessing specific applications e g FTP chat etcetera Note The Filter option does not perform content filtering rather the system administrator needs to ...

Page 44: ... feature is present in the ProxyServer that allows you to map multiple local servers to a single static IP address or to a Global Dynamic WAN port address The virtual server feature enables the ProxyServer to take requests from different servers functions and interact with the Internet based on the functionality of the request In the normal Internet connection this was a physical linkage to a spec...

Page 45: ...K3 LINK2 LINK1 ETHERNET COMMAND POWER 10BASET 10BASE2 ON OFF Internet Hub MTPSR3 200 Secure IP Address 192 168 11 10 Voice Fax over IP Networks Web Server 192 168 11 30 WWW 80 FTP Server 192 168 11 20 FTP 20 21 MultiVOIP 192 168 11 50 Q931 RTCP 5005 7 RTP 5004 6 UDP Only WAN Port Static IP Address 204 111 2 99 The Virtual Server Setup dialog box defines how the servers are connected to the one glo...

Page 46: ... the global address by function The FTP server was assigned an IP address of 192 168 11 20 with a TCP and UDP protocol and a port number of 20 and 21 The Mapping Details Local group in the Virtual Server Mappings dialog contains the FTP server local mapping information When the FTP server mapping information is entered the Web server can be mapped to the global address by entering the IP address 1...

Page 47: ...ients to connect and request to use Telnet service usually terminal emulation Telnet is most often implemented over TCP TFTP is a file transfer protocol that uses UDP and provides a simple method for transferring files between two nodes the server and the client To display the Applications Setup dialog box click Others on the Proxy Setup main menu WEB Server The Web Server interface allows you to ...

Page 48: ...provides several categories Protocol Stacks Device Drivers Other Setup and Statistics for each of the WAN ports Each category provides links which allow configuration of various features Click the item you need to configure and the program displays a configuration dialog box for that feature Note The first user to access the ProxyServer will have read write rights over the unit All subsequent user...

Page 49: ...alog box is displayed by clicking the Built in Test button in the ProxyServer Setup dialog box Diagnostic tests are performed if the Communication type of the Local Port configuration is set to COM Port If the Local Port configuration is set for IP no diagnostic tests are performed by the ProxyServer Note Test will FAIL unless loopback plugs are used on the port you are testing ...

Page 50: ...nt for that port The User Name field defines the User Name used to login to the Internet through the selected port The baud rate and modem type are also displayed The Connect String field displays a message e g CONNECT 48000 reported by the modem during conneciton The Port Status field displays the current status of the selected port e g Internet connectMLPPP The IP Address Group displays the para...

Page 51: ...Chapter 5 Client Setup ...

Page 52: ...rt and assigned user names and passwords to the WAN links All these factors play a role in client configuration Make certain that you are aware of the decisions made prior to setting up client PCs PC To access the ProxyServer your PC must have communications capability including hardware such as a network card and any necessary software If the ProxyServer does not automatically assign an IP addres...

Page 53: ...amples only Please select options appropriate to your system 1 Click Start Settings Control Panel and then double click the Network icon The Network dialog box Configuration tab is displayed which shows all the components i e clients adapters protocols and any services installed on your PC 2 If TCP IP is listed proceed to step 3 otherwise refer to Installing TCP IP Win98 95 at the end of this sect...

Page 54: ...ies window 4 Click the Bindings tab then if necessary click the box to the left of TCP IP so this entry is enabled checked When you are finished click OK to return to the Network dialog box Note There may be other protocols listed and enabled under your Ethernet adapter This does not affect the TCP IP protocol Rather it simply means your computer will accept messages using those protocols as well ...

Page 55: ...ly If your network administrator did NOT activate DHCP Services on the ProxyServer you will have to assign your IP address manually Verify the ProxyServer DHCP status with your network administrator then proceed to step 7 for DHCP assigned addressing or to step 8 for manual addressing 7 If DHCP Services are active on the ProxyServer default verify that the Obtain an IP address automatically option...

Page 56: ...the IP Address field type the IP address assigned to your PC Remove the default IP address if any and begin typing the new address This address is entered in dotted decimal notation and is comprised of four groups octets separated by periods or dots If a group has fewer than 3 digits type the necessary digits and press the space bar to move to the next group When you are finished verify that the I...

Page 57: ...nt Setup MTPSR3 200 57 10 Click the Gateway tab 11 In the New gateway field enter the IP address of the ProxyServer s Ethernet port and click Add The new gateway address is displayed in the list of Installed gateways ...

Page 58: ...ss of your LAN s DNS server provided by your network administrator Click Add and the new address is displayed in the list below the address field Your network may have more than one DNS server allowing you to use a secondary DNS server if the primary DNS server is not available If this is the case add the IP address of the secondary DNS server using the same procedure as with the first Note The ad...

Page 59: ...ct At this point your client setup is complete Test your setup by following steps 18 and 19 If you encounter problems contact your administrator 18 Initiate an Internet session by double clicking on your browser icon or try to FTP a file Note The ProxyServer operates transparently so there should not be a need for any special proxy settings on your IP applications i e browser Telnet or FTP Set up ...

Page 60: ...st click the manufacturer option Microsoft in the example to highlight it A list of available protocols will appear in the Network Protocols list 4 In the Network Protocols list select TCP IP and click OK 5 Exit the add option Click the OK button Note If Windows does not find the necessary files on the hard drive click Have Disk and follow the on screen instructions for loading TCP IP from the ins...

Page 61: ...ppropriate to your network 1 Click Start Settings Control Panel Double click the Network icon 2 The Network dialog box is displayed Click the Protocols tab A list of protocols currently present on your PC is displayed Check the installed protocols If you find TCP IP Protocol listed proceed to step 4 If TCP IP is not listed you must install it prior to proceeding Refer to Installing TCP IP WinNT at...

Page 62: ...he entry for your Ethernet card adapter to expand the list of bindings Verify that TCP IP Protocol is included in the bindings below your adapter Note There may be other protocols in the list under your Ethernet adapter This does not affect the TCP IP protocol Rather it simply means your computer will accept messages using those protocols as well as TCP IP 6 Click the Protocols tab ...

Page 63: ...ued automatically If your network administrator did NOT activate DHCP Services on the ProxyServer you will have to assign your IP address manually Verify the ProxyServer DHCP status with your network administrator then proceed to step 9 for DHCP assigned addressing or to step 10 for manual addressing 9 If DHCP Services are active on the ProxyServer the default verify that the Obtain an IP address ...

Page 64: ...s This address is entered in dotted decimal notation and is comprised of four groups octets separated by periods or dots If a group has fewer than 3 digits type the necessary digits and press the space bar to move to the next group When you are finished verify that the IP address is identical to the IP address you were given for your PC 12 In the Subnet Mask field type the subnetwork mask assigned...

Page 65: ... your company s domain name usually the company name followed by one of the following extensions com edu gov org mil or net For example multitech com 17 In the DNS Server Search Order group click Add The TCP IP DNS Server dialog box is displayed 18 In the DNS Server field place the cursor in the first group and type the IP address of your LAN s DNS server provided by your network administrator ...

Page 66: ...You are returned to the Network dialog box Use the following checklist to record all the configuration settings for future use IP Address PC IP Address ProxyServer Host User Name Domain DNS Server Address Network Adapter Manufacturer Model Number Configuration Checklist 20 Reboot the PC for changes to take effect At this point your client setup is complete Test your setup by following steps 21 and...

Page 67: ...yed with a list of available protocol options Highlight TCP IP Protocol and click OK If necessary i e the operating system does not find the necessary files on the hard drive click the Have Disk button then follow the instructions provided on screen 3 You are returned to the Network dialog 4 Reboot your PC for changes to take effect 5 Open the Control Panel and double click the Network icon to ret...

Page 68: ...ProxyServer User Guide MTPSR3 200 68 ...

Page 69: ...Chapter 6 RAS Dial Out Redirector ...

Page 70: ...ows 3 1 Windows for Workgroups 3 11 Windows 98 95 or Windows NT follow the steps below Note Faxing through WINMCSI is only supported on modems using Lucent chipsets If you are not certain as to the type of chipset in the internal modem contact Multi Tech Systems Technical Support 1 Power on your client PC and log in to your LAN 2 Start Windows 3 Insert the Multi Tech ProxyServer CD into your CD RO...

Page 71: ... to proceed with the installation 6 The WinMCSI Install Configuration window is displayed In the Destination Directory field type in the name of the directory to which you want to install WINMCSI or you can accept the default C COMMCSI 7 In the Network Type dialog box click the appropriate network type IP Because the default is IPX you will need to select IP Click Continue to proceed with the WINM...

Page 72: ... have WINMCSI automatically make changes to your SYSTEM INI and WIN INI files Click the Save changes to file button to have WINMCSI make a copy of the changes to be made and store them in a file Note Because you must make the changes before you can run WINMCSI it is recommended that you choose Modify INI files now A screen is displayed telling you that your installation is complete and where your ...

Page 73: ...line to which you want to map that particular COM Port The status message Mapped to MCSI should appear above the Local Port list box Click the Unmap button if you want to unmap a line Click the Search button to search for lines on a server Click the Close button when finished 13 The following message is displayed WINMCSI Successfully Installed Click OK 14 A message is displayed telling you where y...

Page 74: ...Click Next to proceed with the installation 16 The Choose Destination Location screen is displayed Click Next to accept the Destination Folder or click Browse to select a different destination 17 The Select Program Folder screen is displayed Click Next to accept the new folder designation or choose an existing folder from the list provided ...

Page 75: ...he Local Port list box Click the Unmap button if you want to unmap a line Click the Search button to search for lines on a server Click the Close button when finished At this time Your WINMCSI software installation is complete Proceed to the next section Running the WINMCSI Workstation Software Note Once MCSI has been installed and configured make certain that the appropriate modem drivers are ins...

Page 76: ...restart Windows if you change this setting Note Do not change the network type unless you have changed the network Also make sure that your SYSTEM INI file contains the device drivers specific to the selected network type Click the Connect Timer command The MCSI Connect Timer dialog box is displayed The default value of the connect timer is shown in the Enter Connect Timer Value field To change th...

Page 77: ...o attach type a User Name and Password in their respective fields and then click Login A window is displayed stating that your login was successful Click OK If there are no servers listed in the Available Servers box then click the Search button to search for a server 5 At the ComMap for Windows main window view your log status by clicking File Log Status The MCSI Login Status window is displayed ...

Page 78: ...search for lines on a server Click Close when finished 7 To view a list of mapped COM ports click Map Map List or click the Map button Click Close when finished Below is an example of the Window s Terminal application s shipped with all versions of Windows Communications dialog box After mapping your COM Ports with ComMap for Windows you can check your connectivity and configure your ports with Wi...

Page 79: ...Chapter 7 Remote Configuration ...

Page 80: ... protocol software documentation for instructions on how to set the IP addresses Once you have completed this step you should be able to use the protocol Ping command for the PC host name You should also test the network interface configuration by Pinging another TCP IP device that is connected to the network 2 Install the ProxyServer software on the local PC Once installed click Start Programs Pr...

Page 81: ...efinitions of each dialog box or fields within a dialog box refer to the on line Help provided in the software 7 After you have changed the configuration of the remote ProxyServer click the Download Setup button to update the configuration The remote ProxyServer will be brought down the new configuration written to the unit and the unit will reboot 8 Click the Exit button when the downloading is c...

Page 82: ...ProxyServer User Guide MTPSR3 200 82 ...

Page 83: ...Chapter 8 ProxyServer Management ...

Page 84: ...k the Telnet icon A blank Telnet screen is displayed Click Connect and then Remote System When the Connect to remote host dialog box is displayed a Host Name has to be entered In this example the IP Host Name is 192 168 0 1 Enter your ProxyServer IP Address in the Host Name field Click the Connect button and the ProxyServer Telnet Server dialog box is displayed ProxyServer Telnet Server Menu The P...

Page 85: ...or number of stop bits When the connection is established anything entered on the keyboard is immediately presented to the WAN port When the dial out session is over the WAN port reverts to its original configuration ProxyServer Management The ProxyServer Management option Option 2 provides three options statistics system information or to reset the ProxyServer The statistics option allows you to ...

Page 86: ...ter For details on a parameter refer to the on line helps Remote User Database The Remote User Database option from the ProxyServer management menu allows you to add and configure a list of users who will access the ProxyServer remotely After selecting Remote User Database type 2 Enter from the main menu type A Enter to add a new user to the database The following list of options is displayed By s...

Page 87: ...read write or read only it is possible to view the current parameters and statistics of the ProxyServer as well as configure and download setup changes to the ProxyServer You can access ProxyServer configuration by typing the IP Address of the unit into the address line of your web browser In this example the IP address is 192 168 0 1 Click the word Login to gain access to the ProxyServer The foll...

Page 88: ... have read write rights over the unit All subsequent users will have read only rights and therefore some of the options within the Web interface will be inactive i e will not be linked From the ProxyServer Configuration menu you can access current settings and view statistics as well as configure and download a new setup to the ProxyServer ...

Page 89: ...Chapter 9 Service Warranty and Tech Support ...

Page 90: ...apply to any products which have been damaged by lightning storms water or power surges or which have been neglected altered abused used for a purpose other than the one for which they were manufactured repaired by the customer or any party without MTS s written authorization or used in any manner inconsistent with MTS s instructions MTS s entire obligation under this warranty shall be limited at ...

Page 91: ...s problems with a specific application etc Use the space below to note the status ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ___...

Page 92: ... payment if the ProxyServer is out of warranty Check with your technical support specialist for the standard repair charge for your ProxyServer if possible note the name of the technical support specialist with whom you spoke If you need to inquire about the status of the returned product be prepared to provide the serial number of the product sent Send your ProxyServer to this address MULTI TECH ...

Page 93: ...e file name 1 From the Main Menu type F to access the Files Menu then type D 2 Enter the name of the file you wish to download from the BBS 3 If a password is required enter the password 4 Answer Y or N to the automatic logoff question 5 Select a file transfer protocol by typing the indicated letter such as Z for Zmodem the recommended protocol 6 If you select Zmodem the transfer will begin automa...

Page 94: ... a Web site at http www multitech com and an FTP site at ftp ftp multitech com Ordering Accessories SupplyNet Inc supplies replacement transformers cables and connectors for select Multi Tech products You can place an order with SupplyNet via mail phone fax or the Internet at Mail SupplyNet Inc 614 Corporate Way Valley Cottage NY 10989 Phone 800 826 0279 Fax 914 267 2420 Email info thesupplynet co...

Page 95: ...Appendices ...

Page 96: ...es 10BASE T 1 2 3 4 5 6 7 8 10BASE 2 ETHERNET Pin Circuit Signal Name Pin Description 1 TD Data Transmit Positive 1 Center 2 TD Data Transmit Negative 2 Shield 3 RD Data Receive Positive 6 RD Data Receive Negative WAN Cables 1 2 3 4 1 2 3 4 1 2 3 4 LINK3 LINK2 LINK1 Pin Circuit 2 Tip 3 Ring Remote Configuration Cable Receive Data RX Transmit Data TX Signal Ground Clear to Send CTS 2 3 5 8 2 3 7 4 ...

Page 97: ...find in the Help file in your ProxyServer software Following the list of commands is an example script Commands by Function Dial Connection and Remote ACTIVATEDOD BAUDRATE BREAK GETCTS GETDCD HANGUP PARITYR GETC RGETS RXFLUSH SETDTR SETRTS STOPBITS THISLAYERUP TRANSMIT TXFLUSH WAITFOR Mathematical functions DEC INC Miscellaneous EXIT WAIT Program constructs FOR IF PROC SWITCH WHILE String operatio...

Page 98: ..._menu choice shell_menu_response 1 transmit A wait 1 transmit T M waitfor OK 10 transmit A wait 1 transmit T wait 1 transmit DT963 M if waitfor login_prompt 60 then transmit user_name transmit M if waitfor password_prompt timeout then transmit password transmit M if waitfor shell_menu timeout then transmit shell_menu_response transmit M else transmit Shell Menu Not Received M endif else transmit P...

Page 99: ...o try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to which the receiver is connected Consult the dealer or an experienced radio TV technician for help This device complies with Part 15 of the FCC rules O...

Page 100: ...ontinuance of service may be required But if advance notice isn t practical the telephone company will notify the customer as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary 5 The telephone company may make changes in its facilities equipment operations or procedures that could affect the operation of the equipment If this hap...

Page 101: ...rs to certified equipment should be made by an authorized Canadian maintenance facility designated by the supplier Any repairs or alterations made by the user to this equipment or equipment malfunctions may give the telecommunications company cause to request the user to disconnect the equipment Users should ensure for their own protection that the electrical ground connections of the power utilit...

Page 102: ...ginating an on line connection Command A Answer Values n a Description Answer an incoming call before the final ring Command A Repeat Last Command Values n a Description Repeat the last command string Do not precede this command with AT Do not press ENTER to execute Command Bn Communication Standard Setting Values n 0 3 15 16 Default 1 and 16 Description B0 Select ITU T V 22 mode when modem is at ...

Page 103: ...y the Zn x command Example ATDS 3 Command En Echo Command Mode Characters Values n 0 or 1 Default 1 Description E0 Do not echo keyboard input to the terminal E1 Do echo keyboard input to the terminal Command Fn Echo On line Data Characters Values n 1 Default 1 Description F0 Enable on line data character echo Not supported F1 Disable on line data character echo included for backward compatibility ...

Page 104: ...t codes Q1 Disable result codes Command Sr n Set Register Value Values r S register number n varies Default None Description Set value of register Sr to value of n where n is entered in decimal format Command Sr Read Register Value Values r S register number Default None Description Read value of register Sr and display value in 3 digit decimal form Command Vn Result Code Format Values n 0 or 1 De...

Page 105: ...efault 2 Description D0 Modem ignores DTR signal D1 When DTR drops while in on line data mode the modem enters command mode issues an OK and remains connected D2 When DTR drops while in on line data mode the modem hangs up D3 When DTR drops the modem hangs up and resets as if an ATZ command were issued Command Fn Load Factory Default Settings Values n 0 Default None Description F0 Load factory set...

Page 106: ...ive modem settings Command Wn Store Current Configuration Values n 0 Default None Description W0 Store active modem settings in NVRAM load them at power on or following the ATZ command instead of loading the factory defaults from ROM Command Yn Select Stored Configuration for Hard Reset Values n 0 Default 0 Description Y0 Select stored configuration 0 on power up For backward compatibility with so...

Page 107: ...y timer setting contingent on either T value or S Register S30 value e g AT T45 W0 cr configures in parallel ATS30 45 W0 cr and vice versa Command Vn Protocol Result Code Values n 0 or 1 Default 1 Description V0 Disable protocol result code appended to DCE speed V1 Enable protocol result code appended to DCE speed Command Xn XON XOFF Pass Through Values n 0 or 1 Defaults 0 Description X0 Respond t...

Page 108: ...bugging only Command T94 Testing External RAM Values n a Description This command is used for testing the external RAM Enter AT T94 cr to determine the status of external RAM The response you should receive will be either FAIL or PASS Command T125 Testing DSP 56K Code Version Checksum Values n a Description Entering AT T125 cr tests the DSP56K code version and checksum running in external RAM Upon...

Page 109: ...k the sending application must know both the IP and MAC addresses of the intended receiver Unfortunately the IP process may not know the MAC address of the receiver The Address Resolution Protocol ARP described in RFC 826 located at ftp ds internic net rfc rfc826 txt provides a mechanism for a host to determine a receiver s MAC address from the IP address In the process the host sends an ARP packe...

Page 110: ...xt being the most current HTML WWW pages are written in the Hypertext Markup Language HTML an ASCII based platform independent formatting language per IETF RFC 1866 ftp ds internic net rfc rfc1866 txt Finger used to determine the status of other hosts and or users per IETF RFC 1288 ftp ds internic net rfc rfc1288 txt POP the Post Office Protocol defines a simple interface between a user s mail rea...

Page 111: ... and host Network addresses come in five classes A B C D and E Each class of network address is allocated a certain number of host addresses For example a class B network can have a maximum of 65 534 hosts while a class C network can have only 254 The class A and B addresses have been exhausted and the class D and E addresses are reserved for special use Consequently companies now seeking an Inter...

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Page 113: ...Glossary of Terms ...

Page 114: ...28 possible characters The extended ASCII file provides 255 characters Asynchronous Transfer Mode ATM A very high speed method of transmission that uses fixed size cells of 53 bytes to transfer information over fiber also known as cell relay AT Commands A standard set of commands used to configure various modem parameters establish connections and disconnect The AT is used to get the attention of ...

Page 115: ...t use the same logical link control protocol but that can use different medium access control protocols A bridge forwards a frame to another bridge based on the medium access control MAC address 3 In the connection of local loops channels or rings the equipment and techniques used to match circuits and to facilitate accurate data transmission Buffer A temporary storage register or Random Access Me...

Page 116: ...bps The CIR is part of the frame relay service monthly billing along with actual usage that users pay to their frame relay service provider Compression 1 The process of eliminating gaps empty fields redundancies and unnecessary data to shorten the length of records or blocks 2 In SNA the replacement of a string of up to 64 repeated characters by an encoded control byte to reduce the length of the ...

Page 117: ... voice channels north America and 2 048M bps 30 channels elsewhere Digital Signal A discrete or discontinuous signal e g a sequence of voltage pulses Digital devices such as terminals and computers transmit data as a series of electrical pulses which have discrete jumps rather than gradual changes Digital Signaling Rates DSn A hierarchical system for transmission rates where DS0 is 64 Kbps equival...

Page 118: ...nd BECN is called explicit congestion management Some end to end protocols use FECN or BECN but usually not both options together With this method a congestion condition is identified and fixed before it becomes critical Contrast with implicit congesion Extended Super Frame ESF One of two popular formats for framing bits on a T1 line ESF framing has a 24 frame super frame where robbed bit signalin...

Page 119: ...cess Device FRAD A piece of equipment that acts as a concentrator or frame assembler dissassember that can support multiple protocols and provide basic routing functions G Gateway 1 A functional unit that interconnects two computer networks with different network architectures A gateway connects networks or systems of different architectures A bridge interconnects networks or systems with the same...

Page 120: ... with a KTS you don t have to dial a 9 for a call outside the building Key Service Unit KSU A small device containing the switching electronics for a business key telephone system KTS Key Set A telephone set with several buttons for call holding line pickup intercom autodialing etc Also called a touchtone phone Ericsson and a KTS Key Telephone Set L LAPB Link Access Procedure Balanced based on the...

Page 121: ...ansferred as an entry from an originator to one or more recipients Modem A communications device that enables a computer to transmit information over a telephone line It converts the computer s digital signals into analog signals to send over a telephone line and converts them back to digital signals at the receiving end Modems can be internal and fit into an expansion slot or external and connect...

Page 122: ...ta and control characters transferred as a unit determined by the process of transmission Commonly used data field lengths in packets are 128 or 256 bytes 5 The field structure and format defined in the CCITT X 25 recommendation Packet Assembler Dissembler PAD Used by devices to communicate over X 25 networks by building or stripping X 25 information on or from a packet Packet Data The information...

Page 123: ...iscrete number R Random Access Memory RAM A computer s primary workspace All data must be stored in RAM even for a short while before software can use the processor to manipulate the data Before a PC can do anything useful it must move programs from disk to RAM When you turn it off all information in RAM is lost Rate Enforcement The concept in frame relay where frames sent faster than the CIR are ...

Page 124: ...modem and use a handset to talk to another user at the same time over the same connection The alternative making a second call can be expensive or even impossible The uses for SVD are telecommuting videoconferencing distant learning tech support etc Stop Bit One of the variables used for timing in asynchronous data transmission Depending on the devices each character may be trailed by 1 1 5 or 2 s...

Page 125: ...nnels take one time slot The T1 mux may use an internal or external T1 DSU a channel bank device typically uses an external T1 CSU Transmission Control Protocol Internet Program TCP IP A multi layer set of protocols developed by the US Department of Defense to link dissimilar computers across dissimilar and unreliable LANs Terminal The screen and keyboard device used in a mainframe environment for...

Page 126: ...or local user V V 25bis An ITU T standard for synchronous communications between a mainframe or host and a modem using HDLC or other character oriented protocol V 54 The ITU T standard for local and remote loopback tests in modems DCEs and DTEs The four basic tests are local digital loopback tests DTE send and receive circuits local analog loopback tests local modem operation remote analog loopbac...

Page 127: ... Carrier Control command 102 CD ROM software installation 16 Changing Internet parameters 39 Changing IP Parameters 28 Changing ProxyServer configuration overview 26 Changing the configuration of a remote unit 80 Changing WAN Port Parameters 31 Client only WAN port 28 Client Setup 52 Configuring in Windows 95 98 53 Configuring in Windows NT 61 Installing TCP IP Win95 98 60 Installing TCP IP WinNT ...

Page 128: ...istration 90 Link Connectors 9 Links 1 2 3 LEDs 8 Load Factory Default Settings command 105 Local Flow Control Selection command 105 107 Long Space Disconnect command 105 M Mapping IP addresses and domain names 111 Message Printing Control 39 MLPPP 36 39 40 MNP 5 data compression 107 MNP error correction 107 Modem Port Flow Control command 106 Modem Reset command 105 Modulation Handshake command 1...

Page 129: ... 16 Speaker Codec Loopback command 108 Speaker controlling 103 104 Specifications technical 10 Speed conversion data buffer 106 Static routes 29 Statistics running 50 Store Current Configuration command 106 Store Telephone Number command 106 Storing telephone numbers 106 Synchronous buffered mode 108 T TCP IP Address Resolution Protocol 109 Common applications and utilities 110 Establish Internet ...

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