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Multitech ProxyServer MTPSR2-201 User Manual

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Summary of Contents for Multitech ProxyServer MTPSR2-201

  • Page 1 Model MTPSR2-201 User Guide...
  • Page 2 Trademark of Multi-Tech Systems, Inc. is the Multi-Tech logo. Windows is a registered trademark of Microsoft. Multi-Tech Systems, Inc. 2205 Woodale Drive Mounds View, Minnesota 55112 (612) 785-3500 or (800) 328-9717 Fax 612-785-9874 Tech Support (800) 972-2439 Internet Address: http://www.multitech.com Fax-Back (612) 717-5888...

  • Page 3: Table Of Contents

    Contents Chapter 1 - Introduction and Description Introduction ..............................6 Preview of this Guide ..........................6 Front Panel Description ..........................8 Back Panel Description ..........................9 RS232/V.35 Connector ........................9 56K DSU Connector ..........................9 10Base-T (Ethernet) Connector ......................9 Command Connector ...........................
  • Page 4 Chapter 6 - Warranty, Service and Tech Support Introduction .............................. 48 Limited Warranty ............................48 On-line Warranty Registration ......................48 Tech Support ............................49 Recording ProxyServer Information ....................49 Service ..............................50 The Multi-Tech BBS ..........................51 To Log on to the Multi-Tech BBS......................51 To Download a File ..........................

  • Page 5: Chapter 1 - Introduction And Description

    Chapter 1 - Introduction and Description...

  • Page 6: Introduction

    DSU ProxyServer User Guide Introduction Welcome to Multi-Tech's new DSU ProxyServer, model number MTPSR2-201, a single, secure gateway that provides multiple LAN users with high performance Internet access over a leased line. The DSU ProxyServer functions as a TCP/IP proxy server that resides on the outer edge of your firewall and provides up to 56K of bandwidth to LAN users.
  • Page 7 Chapter 1 - Introduction and Description Chapter 5 - Remote Configuration and Management Chapter 5 provides procedures for changing the configuration of a remote ProxyServer. Remote configuration allows you to change the configuration of a unit by simply connecting two modems between the two ProxyServers and remotely controlling the unit.

  • Page 8: Front Panel Description

    DSU ProxyServer User Guide Front Panel Description The front panel, shown in Figure 1-2, contains three groups of LEDs that provide the status of the Ethernet connection, 56K DSU port, WAN port, and general status of the ProxyServer. The Ethernet LEDs indicate the status LAN activity, the 56K DSU LEDs indicate the status of the internal DSU port (WAN 1), and the WAN Link LEDs indicate the status of the external DCE device (WAN 2).

  • Page 9: Back Panel Description

    Chapter 1 - Introduction and Description Back Panel Description The cable connections for the ProxyServer are made at the back panel. Connectors include Power, Command Port, 10BASET (Ethernet), 56K DSU and RS232/V.35. The cable connectors are shown in Figure 1-3 and defined in the following groups. RS232/V.35 56K DSU 10BASET...

  • Page 10: Specifications

    DSU ProxyServer User Guide Specifications • Protocols - Point-To-Point Protocol (PPP), Multilink Point-To-Point Protocol (MLPPP), and Serial Line Internet Protocol (SLIP) • One 1 Meg by 32 byte at 70 nanosecond SIMM is 4Mb DRAM Caution: SIMM speed and size cannot be mixed •...

  • Page 11: Chapter 2 - Installation

    Chapter 2 - Installation...

  • Page 12: Safety Warnings

    DSU ProxyServer User Guide Safety Warnings Never install telephone wiring during a lightning storm. Never install telephone jacks in wet locations unless the jack is specifically designed for wet locations. Never touch uninsulated telephone wires or terminals unless the telephone line has been disconnected at the network interface.

  • Page 13: 8-Position Dip Switch

    Chapter 2 - Installation 8-Position DIP Switch The ProxyServer is equipped with a 8-position DIP switch. Figure 2-2 shows the DIP switch, and the chart that follows details the default positions and other options. Figure 2-2. 8-position DIP switch Position 1: OPEN* (up) Normal Mode operation Closed (down) Loopback Mode operation...
  • Page 14 DSU ProxyServer User Guide Pry the shunt out of the RS232 position, and insert it in the V.35 position. 8-Position DIP Switch Back Panel Connectors LEDs V.35 Shunt Position RAM Sockets RS232C Shunt Position Figure 2-4. Shunt Positions Note: if you wish to make changes to the 8-position DIP switch, do so at this time. For details on DIP switch settings, refer to the previous section, 8-Position DIP Swtich.

  • Page 15: Cabling Your Proxyserver

    Chapter 2 - Installation Cabling Your ProxyServer Cabling your ProxyServer involves making the proper Power, Command Port, Ethernet and 56K DSU connections. An optional WAN connection is provided to connect to an external WAN device. Figure 2-5 shows the back panel connectors and the associated cable connections. RS232/V.35 56K DSU 10BASET...
  • Page 16 DSU ProxyServer User Guide...

  • Page 17: Chapter 3 - Software Loading And Configuration

    Chapter 3 - Software Loading and Configuration...

  • Page 18: Loading The Proxy Server Software

    DSU ProxyServer User Guide Loading the Proxy Server Software The following loading procedure does not provide every screen or option in the process of installing the ProxyServer software. The assumption is that a technical person is doing the installation and that a thorough knowledge of Windows and the software loading process is understood.
  • Page 19 Chapter 3 - Software Loading and Configuration The following dialog box selects the COM port of your PC connected to the Command port of the ProxyServer. From the Select Port window, click on the down arrow and choose the COM port of your PC. Click OK to continue.
  • Page 20 DSU ProxyServer User Guide The IP Setup dialog appears. Select the proper port from the Port Selection list. By default, LAN is selected. Change the default IP Address and Net Mask to your unique LAN address. Highlight WAN 1, and choose either ISP Assigns Dynamic Address (default) to allow the ISP to automatically assign the ProxyServer IP address and Net Mask, or disable ISP Assigns Dynamic Address by clicking the check box, and statically assign the IP Address and Net Mask.
  • Page 21 Chapter 3 - Software Loading and Configuration The configuration is written to the ProxyServer and the following screen is displayed. After the setup is written to the ProxyServer, the unit is rebooted. Check to ensure that the FAIL LED on the ProxyServer is off after the download is complete and the ProxyServer is rebooted.
  • Page 22 DSU ProxyServer User Guide...

  • Page 23: Chapter 4 - Proxy Server Software

    Chapter 4 - Proxy Server Software...

  • Page 24: Introduction

    DSU ProxyServer User Guide Introduction This chapter describes the Proxy Server software from an applications standpoint, showing how to make changes in the configuration with recommendations on the impact of any such changes. The major configuration parameters were set when the software was loaded into your PC and the setup configuration was downloaded to the ProxyServer at the conclusion of the software installation.
  • Page 25 Chapter 4 - ProxyServer Software Download Default Setup This feature allows you to download the default settings, configured during installation, to the ProxyServer. If you are installing for the first time, you will download this setup at the end of the installation before operating the ProxyServer.

  • Page 26: Proxy Server Configuration

    DSU ProxyServer User Guide Proxy Server Configuration To view or change your ProxyServer configuration in Windows 95, click Start | Programs | Proxy Server 2.01 | Proxy Server Configuration, or double click on the ProxyServer Configuration icon in the Proxy Server 2.01 program group. After loading, the Proxy Setup menu will appear.

  • Page 27: Typical Application

    Chapter 4 - ProxyServer Software Typical Application A typical application for a ProxyServer is shown in Figure 4-1 below. In this application, the ProxyServer has been configured for a 56K DSU leased line connection to the Internet. The LAN users at the various workstations on the LAN share dial-up services to the Internet and the ProxyServer maintains secure access to the network from the Internet.
  • Page 28 DSU ProxyServer User Guide The WAN ports were configured during setup so that WAN 1 (DSU) is enabled and WAN 2 is disabled. The sections that follow provide examples of how to add some of the advanced features that enhance and build upon this basic setup.

  • Page 29: Adding An Optional Dce Device

    Chapter 4 - ProxyServer Software Adding an Optional DCE Device In the application shown below, the ProxyServer has been configured for both a 56K DSU leased line connection to the Internet, and an RS232/V.35 connection via the WAN 2 port (i.e., external modem, T1 CSU, etc.).
  • Page 30 DSU ProxyServer User Guide The User Name and Password for both ports are unique to the port, and WAN 2 has been configured for use with an external modem (the Dial Number field should be configured with the telephone number of the ISP).

  • Page 31: Enabling Multi-Link Ppp

    Chapter 4 - ProxyServer Software Enabling Multi-Link PPP If you have an optional DCE device connected to WAN 2, the ProxyServer can be configured to make use of Multi-Link Point-to-Point Protocol (MLPPP). This feature allows the ProxyServer to bond the WAN ports (56KDSU and RS232/V.35) together and dynamically allocate bandwidth to LAN users.

  • Page 32: Adding Proxy Applications

    DSU ProxyServer User Guide Adding Proxy Applications Certain software on your LAN may require a TCP or UDP port usage that is not currently supported by the ProxyServer. If this is the case, you can refer to RFC 1700 on the Internet which defines the Internet Protocol suite.

  • Page 33: Enabling The Dhcp Server

    Chapter 4 - ProxyServer Software Enabling the DHCP Server The DHCP Server feature of the ProxyServer manages all IP address assignments within a workgroup. IP address management becomes completely transparent. To enable the DHCP Server ability in the ProxyServer, click on the DHCP Server button in the Proxy Setup menu.

  • Page 34: Enabling Virtual Servers

    DSU ProxyServer User Guide Enabling Virtual Servers The Virtual Server Setup dialog box allows you to assign a virtual address to a statically assigned server. For example, if the ISP assigns static address of 200.2.9.1, you can set up a virtual server so that any requests sent to 200.2.9.1 will access 192.168.0.102.

  • Page 35: Applications

    Chapter 4 - ProxyServer Software Applications In addition to local configuration, the ProxyServer supports various applications which allow it to be configured remotely from anywhere on the connected Internet. To manage these applications, click Others in the Proxy Setup menu. The Applications Setup dialog box appears.

  • Page 36: Diagnostics

    DSU ProxyServer User Guide Diagnostics The ProxyServer is equipped with a built-in diagnostics utility that can be accessed through the COM port of your PC (remote users cannot access diagnostics). Click Built-in Test in the Proxy Setup menu and the Diagnostics dialog is displayed. Select the port you wish to run diagnostics on from the Test Port group (Ethernet, WAN 1 or WAN 2), then click Test to start the test.

  • Page 37: Chapter 5 - Remote Configuration And Management

    Chapter 5 - Remote Configuration and Management...

  • Page 38: Introduction

    DSU ProxyServer User Guide Introduction This chapter provides procedures for changing the configuration of a remote unit. Remote configuration allows a PC at one site (local site) to dial a remote ProxyServer and change the configuration of that remote unit. Remote configuration can be accomplished either directly through the LAN or remotely using modems.
  • Page 39 Chapter 5 - Remote Configuration and Management In the Dial String field, enter the AT command for dialing (ATDT) plus the phone number of the remote ProxyServer. If your Modem Initialization String, Initialization Response, or Connect Response values are different than the defaults in the dialog box, refer to your modem user documentation and change the default values to match your modem.

  • Page 40: Lan-Based Remote Configuration Procedure

    DSU ProxyServer User Guide LAN-Based Remote Configuration Procedure Windows Sockets Compliant TCP/IP Stack The configuration program requires a Windows Sockets compliant TCP/IP stack. TCP/IP protocol software must be installed and functional before the configuration program can be used. You must assign an Internet (IP) address for the PC and for each node that will be managed by the configuration program.
  • Page 41 Chapter 5 - Remote Configuration and Management The Reading Setup dialog box is displayed. The Proxy Setup dialog box is displayed. This is the dialog box of the remote ProxyServer. Refer to the on-line help provided with your ProxyServer for the definition of each dialog box and field within a dialog box.

  • Page 42: Remote Management

    DSU ProxyServer User Guide Remote Management This section describes typical client applications that can be used to configure the ProxyServer remotely. It is important to note that although any subsequent changes to configuration can be made using these applications, the initial setup and configuration of the ProxyServer must be done on the local PC, using the ProxyServer software provided with your unit.
  • Page 43 Chapter 5 - Remote Configuration and Management Proxy Server Management Menu The Proxy Server management menu provides five basic options: Dial-out, Proxy Server Management, Proxy Server Configuration, WAN Device Configuration, and Remote User Data Base. A further option enables you to close the Telnet session from this menu by pressing the Esc key.
  • Page 44 DSU ProxyServer User Guide Proxy Server Configuration This menu provides options that correspond to seven buttons on the Proxy Setup screen or Main Menu. They include IP, Internet, WAN, Others, Proxy Server, DHCP Server, and Virtual Servers. WAN Device Configuration The WAN Device Configuration option enables you to gain direct access to the ISDN Line on the WAN port in WANTalk mode.

  • Page 45: Web Management

    Chapter 5 - Remote Configuration and Management WEB Management The ProxyServer can be accessed, via a standard web-browser, from anywhere on the connected Internet. In order to provide this support, the WEB Server option has to be enabled in the Applications Setup dialog box (see Chapter 4 - Proxy Server Configuration, Applications).
  • Page 46 DSU ProxyServer User Guide...

  • Page 47: Chapter 6 - Warranty, Service And Tech Support

    Chapter 6 - Warranty, Service and Tech Support...

  • Page 48: Introduction

    Customer to MTS’s factory transportation prepaid. MTS WILL NOT BE LIABLE FOR CONSEQUENTIAL DAMAGES AND UNDER NO CIRCUMSTANCES WILL ITS LIABILITY EXCEED THE PURCHASE PRICE FOR DEFECTIVE PRODUCTS. On-line Warranty Registration To register your ProxyServer on-line, click on the following link: http://www.multitech.com/register...

  • Page 49: Tech Support

    Chapter 6 - Warranty, Service and Tech Support Tech Support Multi-Tech has an excellent staff of technical support personnel available to help you get the most out of your Multi-Tech product. If you have any questions about the operation of this unit, call 1- 800-972-2439.

  • Page 50: Service

    DSU ProxyServer User Guide Service If your tech support specialist decides that service is required, your ProxyServer may be sent (freight prepaid) to our factory. Return shipping charges will be paid by Multi-Tech Systems. Include the following with your ProxyServer: •...

  • Page 51: The Multi-Tech Bbs

    Chapter 6 - Warranty, Service and Tech Support The Multi-Tech BBS For customers who do not have Internet access, Multi-Tech maintains a bulletin board system (BBS). Information available from the BBS includes new product information, product upgrade files, and problem-solving tips. The phone number for the Multi-Tech BBS is (800) 392-2432 (USA and Canada) or (612) 785-3702 (international and local).

  • Page 52: About Compuserve

    Multi-Tech is a commercial user on the Internet, and we retrieve messages from our customers on a periodic basis. If you prefer to receive technical support via the Internet, you can contact Tech Support at the following address: http://www.multitech.com/_forms/email_tech_support.htm Multi-Tech’s presence includes a Web site at: http://www.multitech.com and an ftp site at: ftp://ftp.multitech.com...

  • Page 53: Appendixes

    Appendixes...

  • Page 54: Appendix A - Tcp/Ip (Transmission Control Protocol/Internet Protocol) Description

    First, choose a domain name for your company. A domain name is the unique Internet name, usually the name of your business, that identifies your company. For example, Multi-Tech’s domain name is multitech.com ( .com indicates this is a commercial organization; .edu denotes educational organizations, .gov denotes government organizations). Next, determine how many IP addresses you’ll need.
  • Page 55 Appendix A - TCP/IP Description UDP, described in RFC 768 (ftp://ds.internic.net/rfc/rfc768.txt) provides an end-to-end datagram (connectionless) service. Some applications, such as those that involve a simple query and response, are better suited to the datagram service of UDP because there is no time lost to virtual circuit establishment and termination.
  • Page 56 You first choose a domain name for your company. A domain name is the unique Internet name, usually the name of your business, that identifies your company. For example, Multi-Tech’s domain name is multitech.com (where .com indicates this is a commercial organization; .edu denotes educational organizations, .gov denotes government organizations).

  • Page 57: Appendix B - Scripting

    Appendix B - Scripting Appendix B - Scripting The script file can be used to automate certain operation. The script file is a text file containing a sequence of commands. The structure of a script file is succinctly expressed by the following grammar.
  • Page 58 DSU ProxyServer User Guide Argument to procedures can be passed by value or address. To pass an argument by address, prefix the argument name in the formal parameter list by the keyword VAR; otherwise the argument is passed by value. Only variables can be passed by address. Expressions like A+B, where A and B are integer variables can be passed by value but cannot be passed by address.
  • Page 59 Appendix B - Scripting Script Commands (by Function) Dial, Connection and Remote BAUDRATE BREAK GETCTS GETDCD HANGUP PARITY RGETC RGETS RXFLUSH SETDTR SETRTS STOPBITS THISLAYERUP TRANSMIT TXFLUSH WAITFOR Mathematical functions Miscellaneous EXIT WAIT Program constructs PROC SWITCH WHILE String operations ATOI ITOA STRCAT...
  • Page 60 DSU ProxyServer User Guide Example Script: proc main; string login_prompt; string user_name; string password_prompt; string password; string shell_menu; string shell_menu_response; integer timeout; timeout=10; login_prompt=”login:”; user_name=”user1”; password_prompt=”Password:”; password=”user1”; shell_menu=”choice:”; shell_menu_response=”1”; transmit(“A”); wait(1) transmit(“T^M”); waitfor (“OK”,10); transmit (“A”); wait (1); transmit (“T”); wait (1);...
  • Page 61 Index Index Enabling Multi-Link PPP ......... 31 Enabling the DHCP Server ......33 Ethernet Symbols LEDs ............. 8 10Base-T (Ethernet) Connector ....... 9 56K DSU Connector ............. 9 Fail LED ............8 LEDs ............. 8 Fax-Back Service ........... 52 Port Specifications ........10 Finger .............
  • Page 62 DSU ProxyServer User Guide Specifications ..........10 56K DSU Port ..........10 MTPSR2-201 ........... 6 Command Port ........... 10 Multi-Tech Fax-Back Service ......52 Electrical/Physical ........10 Multi-Tech Web Site ........52 Ethernet Port ..........10 MultiLink PPP WAN Link ............ 10 Enabling ............

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