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Multitech ProxyServer MTPSR3-200 User Manual

Proxy server 200 series
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Summary of Contents for Multitech ProxyServer MTPSR3-200

  • Page 1 Model MTPSR3-200 ProxyServer User Guide...
  • Page 2 User Guide 88301202 Revision C ProxyServer 200-Series (Model No MTPSR3-200) This publication may not be reproduced, in whole or in part, without prior expressed written permission from © Multi-Tech Systems, Inc. All rights reserved. Copyright 1998, by Multi-Tech Systems, Inc. Multi-Tech Systems, Inc.

  • Page 3: Table Of Contents

    Contents Chapter 1 - Introduction and Description Introduction ............................... 6 Preview of this Guide ............................6 Chapter 1 - Introduction and Description ....................6 Chapter 2 - Installation ..........................6 Chapter 3 - Software Loading and Configuration ..................6 Chapter 4 - ProxyServer Software ....................
  • Page 4 Chapter 5 - Remote Configuration Introduction ..............................34 Modem-Based Remote Configuration Procedure .................... 34 LAN-Based Remote Configuration ........................37 Windows Sockets Compliant TCP/IP Stack ....................37 Chapter 6 - Router Management Introduction ..............................40 Proxy Server Management Menu ........................40 Proxy Server Configuration ..........................

  • Page 5: Chapter 1 - Introduction And Description

    Chapter 1 - Introduction and Description...

  • Page 6: Introduction

    ProxyServer User Guide Introduction Welcome to Multi-Tech’s new ProxyServer™, model number MTPSR3-200, a single, secure gateway that provides multiple LAN users with high performance Internet access. The ProxyServer functions as a TCP/IP proxy server that resides on the outer edge of your firewall and provides up to 168K of bandwidth to LAN users.

  • Page 7: Chapter 4 - Proxyserver Software

    Chapter 7 provides instructions on getting service for your ProxyServer at the factory, a statement of the limited warranty, information about our user bulletin board service, and space for recording information about your ProxyServer prior to calling Multi-Tech’s Technical Support. MTPSR3-200...

  • Page 8: Tcp/Ip (Transmission Control Protocol/Internet Protocol)

    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). Next, determine how many IP addresses you’ll need.
  • Page 9 Ping uses ICMP Echo messages. • Whois/NICNAME: Utilities that search databases for information about Internet domain and domain contact information, per RFC 954 ( ftp://ds.internic.net/rfc/rfc954.txt). • Traceroute: a tool that displays the route that packets will take when traveling to a remote host. MTPSR3-200...

  • Page 10: Internet Protocol (Ip)

    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). Next, you determine how many IP addresses you’ll need.

  • Page 11: Front Panel

    Terminal Ready indicator blinks when the link is ready to transfer data. FAIL Fail indicator lights when a self test fails to complete as expected. POWER The power indicator lights when the On/Off Switch is in the ON position. MTPSR3-200...

  • Page 12: Back Panel

    The Power connector is used to connect the external power supply to the ProxyServer. The Power connector is a 6-pin circular DIN connector. A separate power cord is connected to the power supply and the live AC grounded outlet. Applications Applications to be supported later. MTPSR3-200...

  • Page 13: Specifications

    PC with Windows 3.1x, and one serial comm port to connect to the Command Port of the ProxyServer Though this modem is capable of 56K bps download performance, line impairments, public telephone infrastructure and other external technological factors currently prevent maximum 56K bps connections. MTPSR3-200...
  • Page 14 ProxyServer User Guide MTPSR3-200...

  • Page 15: Chapter 2 - Installation

    Chapter 2 - Installation...

  • Page 16: Introduction

    Multi-Tech’s Technical Support for advice (refer to Chapter 7). If no damage is observed, place the ProxyServer in its final location and perform the Installation Procedure in Table 2-1. Save the shipping box in case reshipment is necessary. MultiExpress Quick Start Guide Figure 2-1. Unpacking MTPSR3-200...

  • Page 17: Installation

    ProxyServer. Connect the other end of the cable to the line jack. Connect the second RJ11 phone cable to the LINK 2 connector on the ProxyServer and the other end to the second line jack. Connect the third RJ11 phone cable to the LINK 3 connector and to the third line jack. MTPSR3-200...

  • Page 18: Adding Additional Ram

    Turn the ProxyServer upside down and replace the two cabinet mounting screws that were removed in step 2. Turn the ProxyServer right side up and return to Table 2-1 to connect the cables. MTPSR3-200...

  • Page 19: Chapter 3 - Software Loading And Configuration

    Chapter 3 - Software Loading and Configuration...

  • Page 20: Introduction

    Dynamic Address check box to disable the feature, then click on the IP Address field and enter your IP WAN 1 address. Also, enter the Net Mask for WAN 1. Highlight WAN 2 and repeat the above process. Highlight WAN 3 and repeat the above process. MTPSR3-200...
  • Page 21 19. Click on User Name for WAN 1 and enter your user name that you negotated with your ISP for WAN 1. The User Name can be up to 40 alphanumeric characters. The User Name is not case sensitive. MTPSR3-200...
  • Page 22 26. Win3.1 users - you are returned to your Program Manager where the Proxy Server Program Group and Program Item (Windows icons) have been created. Win95 users - you are returned to your ProxyServer folder which will be visible on your desktop. MTPSR3-200...

  • Page 23: Chapter 4 - Proxyserver Software

    Chapter 4 - ProxyServer Software...

  • Page 24: Introduction

    You may also run Proxy Server Configuration from either the Program Manager or the File Manager by clicking on the Run command in the File Menu, then typing: C:\ proxy\ roucon.exe in the Command Line field. Local port setup can also be run from the Command Line by typing: C:\ proxy\ psetup.exe. MTPSR3-200...

  • Page 25: Setup Menu

    ProxyServer setup also has a console terminal for displaying various debugging messages output from the target. You can control the display of these messages using this application. Normally you should turn off the display of all messages for better performance of the router. MTPSR3-200...

  • Page 26: Setting Up Your Ip Address

    255.0.0.0, 255.255.0.0 and 255.255.255.0 respectively unless other subnets have been set up. The net mask specifies the network or subnet portion of an IP address. The net mask is a 32-bit value presented in a dotted decimal notation. MTPSR3-200...

  • Page 27: Selecting Your Wan Protocol

    Compression) option. SLIP requires that an authentication script be written when you are in the WAN Port Setup dialog box. When you have SLIP configured for your network, click on the OK button to return to the Proxy Setup dialog box. MTPSR3-200...

  • Page 28: Activating Your Wan Ports

    WAN port. You can click on the Script Enable option to activate a script for the selected WAN port. You can also Restart a Script On Communication Failure by clicking on this option. Refer to Appendix B for details on the Router Scripting Language. MTPSR3-200...

  • Page 29: Changing Proxy Applications

    In the Options Types and Values dialog, you can customize the configuration of the client platform. The Option Type and Name are displayed in the left dialog and the values for that option are displayed in the right dialog. You can Add and Remove values using the respective buttons. MTPSR3-200...

  • Page 30: Enabling Remote Servers

    The WEB Server interface allows you to configure the Proxy Server remotely via your WEB browser on your local network. By entering the IP address of the Proxy Server in the Location (Address) field of your browser, your are brought to the Multi-Tech Proxy Server Configuration site. MTPSR3-200...
  • Page 31 Stacks, Device Drivers, Other Setup, and statistics for the WAN ports. Each category contains links which allow configuration of various features. Click on the item you wish to configure and you are brought to a configuration screen for that feature. MTPSR3-200...

  • Page 32: Running Diagnostics

    Diagnostic dialog box is displayed by clicking on the Diagnostic button in the Router 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 test are performed by the ProxyServer. MTPSR3-200...
  • Page 33 Chapter 5 - Remote Configuration...

  • Page 34: Introduction

    At the main site, connect your local PC to a modem that is connected to a dial-up line. Install the ProxyServer software on the local PC and at the Windows Program Manager screen, double click on the Configuration Port Setup Icon. The ProxyServer Setup dialog box is displayed. MTPSR3-200...
  • Page 35 The Reading Setup Dialog Box is displayed. The ProxyServer Setup dialog box is then displayed. This is the dialog box of the remote ProxyServer. Refer to the Menus Chapter (Chapter 4) for the definition of each dialog box and field within a dialog box. MTPSR3-200...
  • Page 36 Port Setup dialog box. 14 At the remote site, reconnect the ProxyServer to the serial port of the PC and from the Program Manager screen click on the Proxy Server Configuration icon to verify that the ProxyServer is running. MTPSR3-200...

  • Page 37: Lan-Based Remote Configuration

    Verify that the Communication Type field is set to IP. In the Router IP Address field, enter the IP Address of the remote ProxyServer. Click on OK when you are satisfied with your selections. The Windows Program Manager menu is displayed. MTPSR3-200...
  • Page 38 Click on the Exit button when the downloading is complete. Click on the Proxy Server Configuration icon in the Program Manager screen to verify that the ProxyServer is running. MTPSR3-200...

  • Page 39: Chapter 6 - Router Management

    Chapter 6 - Router Management...

  • Page 40: Introduction

    The proxy server configuration options allow you to select the protocol stack, high or low level device drivers, applications, proxy server, or system information. The WAN device configuration allows you to gain access to the WAN ports. MTPSR3-200...

  • Page 41: Proxy Server Configuration

    Dumb TTY - The Dumb TTY allows a remote user to connect to the ProxyServer’s command port for configuration and management of the ProxyServer. MTPSR3-200...
  • Page 42 ProxyServer User Guide MTPSR3-200...

  • Page 43: Chapter 7 - Service, Warranty And Tech Support

    Chapter 7 - Service, Warranty and Tech Support...

  • Page 44: Introduction

    Defective products must be returned by 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. MTPSR3-200...

  • Page 45: Tech Support

    Also, note the status of your ProxyServer including LED indicators, screen messages, diagnostic test results, DIP-Switch settings, problems with a specific application, etc. Use the space below to note the ProxyServer status: ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________ MTPSR3-200...

  • Page 46: Service

    Send your ProxyServer to this address: MULTI-TECH SYSTEMS, INC. 2205 WOODALE DRIVE MOUNDS VIEW, MINNESOTA 55112 ATTN: SERVICE OR REPAIRS You should also check with the supplier of your ProxyServer on the availability of local service and/or loaner units in your area. MTPSR3-200...

  • Page 47: About The Multi-Tech Bbs

    4. Mark one or more files for download by entering M, the list numbers of the files, and a RETURN. 5. Enter D. You will see a list of the files you have marked. Enter E if you would like to edit the list; otherwise enter D again to start the download process. MTPSR3-200...

  • Page 48: Reading A Message

    If you prefer to receive technical support via the Internet, you can contact Tech Support via e-mail by clicking on the following link: Technical Support E-mail Multi-Tech’s presence includes a Web site at: http://www.multitech.com and an ftp site at: ftp://ftp.multitech.com The ftp server mirrors the Multi-Tech BBS. MTPSR3-200...

  • Page 49: About The Multi-Tech Fax-Back Service

    From the catalog of available documents, you can order newsletters, white papers, press releases, etc. from the sales and marketing index (pages 1-4), or order basic modem operation and troubleshooting guides from the technical support and engineering index. Just enter the applicable FB Doc. # from the left column of the catalog. MTPSR3-200...
  • Page 50 ProxyServer User Guide MTPSR3-200...

  • Page 51: Appendices

    Appendices...

  • Page 52: Appendix A - Cabling Diagrams

    RD- Data Receive Negative Remote Configuration Cable PIN NO. PIN NO. FRAME GROUND TRANSMIT DATA (TX) RECEIVE DATA (RX) Device REQUEST TO SEND (RTS) (Communication Device CLEAR TO SEND (CTS) COMMAND PORT i.e. Modem) Connector SIGNAL GROUND Male Male MTPSR3-200...

  • Page 53: Appendix B - Script Language

    An example of forward defined procedures is given below: proc a(integer x,y) : integer,forward: proc b(integer u,v) : integer,forward: proc a; integer t; /*Some more code here. */ t=b(x,y); /*Some more code here. */ return(t); endproc proc b; return(a(u,v); endproc MTPSR3-200...
  • Page 54 Binary Operators :*/ + _< > <= >= == ! = && II All the operators are left associative. Expressions are evaluated completely; so care must be taken while writing expressions. For example, expressions like (a !=0 && b / a) would create run time error. MTPSR3-200...

  • Page 55: Appendix C - Regulatory Information

    Tech Systems, Inc., at the address shown below for details of how to have repairs made. If the equipment is causing harm to the telephone network, the telephone company may request that you remove the equipment from the network until the problem is resolved. MTPSR3-200...
  • Page 56 9. If so required, this equipment is hearing-aid compatible. Manufacturer: Multi-Tech Systems, Inc. Trade name: ProxyServer 200-Series Model Numbers: MTPSR3-200 FCC Registration Number: AU7USA-24994-M5-DE Ringer Equivalence: 0.6B Modular Jack (USOC): RJ11 Service Center in U.S.A.: Multi-Tech Systems Inc.

  • Page 57: Canadian Limitations Notice

    No repairs are to be made by you. Repairs are to be made only by Multi-Tech Systems or its licensees. Unauthorized repairs void registration and warranty. Manufacturer: Multi-Tech Systems, Inc. Trade Name: ProxyServer 200-Series Model Number: MTPSR3-200 FCC Registration Number: AU7USA-24994-M5-DE Ringer Equivalence Number: 0.6B Modular Jack (USOC): RJ11 Service Center in USA: Multi-Tech Systems, Inc.
  • Page 58 ProxyServer User Guide Modem CE Mark EMC and Safety Compliance The CE mark is affixed to the enclosed MultiTech product to confirm compliance with the following European Community Directives: Council Directive 89/336/EEC of 3 May 1989 on the approximation of the laws of Member States relating to electromagnetic compatibility;...

  • Page 59: Glossary Of Terms

    Select V.21 when the modem is at 300 bps. Select Bell 103J when the modem is at 300 bps. Command: Carrier Control n = 1 Values: Default: Description: C0 Transmit carrier always off. (Not supported.) Normal transmit carrier switching (included for backward compatibility with some software). MTPSR3-200...
  • Page 60 Display firmware version for data pump (e.g., “94”). Display country code (e.g., “NA Ver. 1”). Display Diagnostic Information for the last Modem Connection (i.e., DSP and Firmware version, Link Type, Line Speed, Serial Speed, Type of Error Correction/Data Compression, Number of past Retrains,etc.) MTPSR3-200...
  • Page 61 Read value of register S r and display value in 3-digit decimal form. Description: Command: Result Code Format Values: n = 0 or 1 Default: Description: V0 Displays result codes as digits (terse response). Displays result codes as words (verbose response). MTPSR3-200...
  • Page 62 Command: V.22bis Guard Tone Control Values: n = 0, 1, or 2 Default: Description: &G0 Disable guard tone. &G1 Enable 550 Hz guard tone. &G2 Enable 1800 Hz guard tone. The &G command is not used in North America. MTPSR3-200...
  • Page 63 Command: &Z n = x Store Telephone Number Values: n = 0, 1, 2, or 3 x = Dialing string Default: None Description: Stores telephone dial string x in memory location n . Dial the stored number using the command ATDS=n . MTPSR3-200...
  • Page 64 = 0 or 1 Defaults: Description: \X0 Respond to and discard XON/XOFF characters. Not supported—responds ERROR. Command: -C n Data Calling Tone Values: n = 0 or 1 Defaults: Description: -C0 Disable V.25 data calling tone. Enable V.25 data calling tone. MTPSR3-200...
  • Page 65 DSP checksum in RAM. Entering AT%T124<cr> tests the DSP56K code version and checksum running in internal ROM. Upon issuing this command the user may then issue ATI4<cr> to get DSP version or ATI1<cr> to get DSP checksum in ROM. MTPSR3-200...
  • Page 66 ProxyServer User Guide MTPSR3-200...
  • Page 67 Glossary of Terms...
  • Page 68 Backward Explicit Congestion Notification (BECN): A bit that tells you that a certain frame on a particular logical connection has encountered heavy traffic. The bit provides notification that congestion-avoidance procedures should be initiated in the opposite direction of the received frame. See also FECN (Forward Explicit Congestion Notification). MTPSR3-200...
  • Page 69 PABX or any residential telephone connects to the PSTN at a central office. Centrex: A multi-line service offered by operating telcos which provides, from the telco CO, functions and features comparable to those of a PBX for large business users. See also “Private Branch Exchange”, “Exchange”. MTPSR3-200...
  • Page 70 Data coming into a frame relay node is thus allowed to be sent across the interface to the specified “address”. The DLCI is confirmed and relayed to its destination, or if the specification is in error, the frame is discarded. MTPSR3-200...
  • Page 71 Errored Seconds (ES): Any second of operation that all 1.544M bits are not received exactly as transmitted. Contrast “Error Free Seconds”. Error Free Seconds (EFS): Any second of operation that all 1.544M bits are received exactly as transmitted. Contrast “Errored Seconds”. MTPSR3-200...
  • Page 72 Frame Relay specifications are defined by ANSI documents ANSI T1.602, T1.606, T1S1/90-175, T1S1/ 90-213, and T1S1/90-214. In using frame relay, blocks of information (frames) are passed across a digital network interface using a “connection number” that is applied to each frame to distinguish between individual frames. MTPSR3-200...
  • Page 73 IRQs are numbered so that the device issuing the IRQ can be identified, and so IRQs can be prioritized. ISA (Industry Standards Architecture) (pronounced “ice a”): The classic 8 or 16-bit architecture introduced with IBM’s PC-AT computer. MTPSR3-200...
  • Page 74 LDC is commonly called the point of presence (POP). Each LDC has a number of POPs, located throughout the country. The LDC is also called an IEC (Inter Exchange Carrier). Long Haul Communications: The type of phone call reaching outside of a local exchange (LE). MTPSR3-200...
  • Page 75 Dialing and various other “supervisory” signals are included in the signaling element. Contrast “In-band” signaling. Out of Frame (OOF): A T1 alarm condition that is logged on the loss of 2, 3 or 4 of 5 consecutive FT framing bits. MTPSR3-200...
  • Page 76 (PPM). 2. Transmissions of analog information in digital form through sampling and encoding the samples with a fixed number of bits. Pulse dialing: One of two methods of dialing a telephone, usually associated with rotary-dial phones. Compare with “tone dialing”. MTPSR3-200...
  • Page 77 (e.g., the user premises and the telco CO). Central office signals to the user premises can include ringing, dial tone, speech signals, etc. Signals from the user’s telephone can include off-hook, dialing, speech to far-end party, and on-hook signals. In-band signaling techniques include pulse and tone dialing. With common channel signaling, information is carried out-of- band. MTPSR3-200...
  • Page 78 T1 signal. Wide bandwidth signals take more than one time slot. Normal voice traffic or 56/64K bps data channels 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. MTPSR3-200...
  • Page 79 Virtual Circuit: A logical connection. Used in packet switching wherin a logical connection is established between two devices at the start of transmission. All information packets follow the same route and arrive in sequence (but do not necessarily carry a complete address). MTPSR3-200...
  • Page 80 Contrast “Red Alarm” and “Blue Alarm”. Zero Byte Time Slot Interchange (ZBTSI): A method for allowing 64K bps unrestricted user data (allowing all 0s in the user data). An alternative to (but not as popular as) B8ZS. MTPSR3-200...
  • Page 81 Glossary MTPSR3-200...

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