Multitech MTASR3-200 User Manual
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Multitech MTASR3-200 User Manual

Remote access server with integrated wan devices
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Remote Access Server with
Integrated WAN Devices
Model MTASR3-200
User Guide

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  • Page 1 Remote Access Server with Integrated WAN Devices Model MTASR3-200 User Guide...
  • Page 2 Furthermore, Multi-Tech Systems, Inc. reserves the right to revise this publication and to make changes from time to time in the content hereof without obligation of Multi-Tech Systems, Inc. to notify any person or organization of such revisions or changes.

  • Page 3: Table Of Contents

    Chapter 1 - Introduction and Description Introduction ... 6 Preview of this Guide ... 6 Related Documentation ... 7 TCP/IP (Transmission Control Protocol/Internet Protocol) ..8 Internet Protocol (IP) ... 10 A Typical Network Application ... 11 Front Panel ... 12 Back Panel ...
  • Page 4 Chapter 6 - Router Management Introduction ... 42 Router Management ... 43 Dial-Out ... 43 Router Configuration ... 43 WAN Device Configuration ... 45 Remote User Database ... 45 WEB Browser Management ... 46 Chapter 7 - Service, Warranty and Tech Support Introduction ...

  • Page 5: Chapter 1 - Introduction And Description

    Chapter 1 - Introduction and Description...

  • Page 6: Introduction

    RASFinder User Guide Introduction Welcome to Multi-Tech's new RASFinder™ 200-Series, model number MTASR3-200, a Remote Access Server (RAS) for remote dial-in access and LAN-to-LAN routing capability. The RASFinder 200-Series is a remote access device that supports up to three concurrent dial-in sessions and IP or IPX remote access. The...

  • Page 7: Related Documentation

    RASFinder and you will find each of the guides listed by title: • RASFinder 200-Series User Guide • Remote Access Server (RAS) Client Setup User Guide • Remote Access Server Dial-Out Redirector User Guide MTASR3-200 Chapter 1 - Introduction and Description...

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

    UDP because there is no time lost to virtual circuit establishment and termination. UDP’s primary function is to add a port number to the IP address to provide a socket for the application. MTASR3-200...
  • Page 9 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. MTASR3-200 Chapter 1 - Introduction and Description...

  • Page 10: Internet Protocol (Ip)

    (ISP) administer your DNS server, the ISP can assist you with the domain name and IP address assignment necessary to configure your company’s site-specific system information. Domain names and IP addresses are granted by the InterNIC. To check the availability of a specific name or to obtain more information, call the InterNIC at (703)742-4777. MTASR3-200...

  • Page 11: A Typical Network Application

    IP Address = 206.16.196.254 IP Address = 206.16.196.250 IP Address = 206.16.196.252 Novell File WinNT Web Server Server Figure 1-2. Typical network configuration. MTASR3-200 Chapter 1 - Introduction and Description Internet Unix Host IP Address = 206.16.196.253 IP Address = 206.16.196.251 Mask = 255.255.255.0...

  • Page 12: 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. Figure 1-2. Front Panel MTASR3-200...

  • Page 13: Back Panel

    The Power connector is used to connect the external power supply to the RASFinder. 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. MTASR3-200 Chapter 1 - Introduction and Description Power Connector:...

  • Page 14: Specifications

    PC with Windows 3.1x or Windows 95, and one serial comm port to connect to the Command Port of the RASFinder 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. modems* MTASR3-200...
  • Page 15 Chapter 2 - Installation...

  • Page 16: Chapter 2 - Installation

    Multi-Tech’s Technical Support for advice (refer to Chapter 7). If no damage is observed, place the RASFinder in its final location and perform the Installation Procedure in Table 2-1. Save the shipping box in case reshipment is necessary. Quick Start Guide MultiExpress MTASR3-200...

  • Page 17: Installation

    Turn on power to the RASFinder by setting the ON/OFF switch on the back panel to the ON position. At this time your RASFinder is completely cabled. Proceed to the next section to load the MultiRouter software. MTASR3-200 Table 2-1. Installation Procedure PC Connection Ethernet Connection Figure 2-2.

  • Page 18: Adding Additional Ram

    Cabinet Mounting Screw (center, back) Figure 2-3. Cabinet Mounting Screw angle to the back of the base and align the centering notch of the SIMM LEDs Figure 2-4. Installing a SIMM Modem 1 Modem 2 Modem 3 PROM 1 PROM 2 MTASR3-200...

  • Page 19: Chapter 3 - Software Loading And Configuration

    Chapter 3 - Software Loading and Configuration...

  • Page 20: Introduction

    To access the On-Line Help, click on the Help button in dialog box in which you would like addtional information. 5. The Expanding/Copying Files From: dialog box is displayed. You can view the progress of the installation from this dialog box. You can click on Abort at any time to cancel the install. MTASR3-200...
  • Page 21 If you assign a new Router Name, it must be a printable ASCII string of a maximum of 47 characters. The router name is used by the RASFinder to advertise its service in the IPX inter- network. MTASR3-200 Chapter 3 - Software Loading and Configuration...
  • Page 22 WAN Address to each active WAN port. 19. Change the default Subnet Mask and Remote Address for each WAN port to the values you have assigned to your WANs. 20. Click on OK when you are satisfied with your selections. MTASR3-200...
  • Page 23 26. Win3.1 users - you are returned to your Program Manager where the MultiRouter Program Group and Program Items (Windows icons) have been created. Win95 users - you are returned to your desktop. Your RASFinder is operational at this time. MTASR3-200 Chapter 3 - Software Loading and Configuration...

  • Page 24: Setting Up Your Remote User Database

    Win95 users - From your desktop, click on the Start button, point to Programs, then MultiRouter, and then click on Remote User Data Base. The Users List dialog box is displayed. 2. Click on the Add User button and the Add Users dialog box is displayed. MTASR3-200...
  • Page 25 Users List dialog box. Click on the Add User button to continue adding users to your database. 5. When you have added all your users to the database, from the Users List dialog box, click on the Download button to load the database into the MultiRouter. MTASR3-200 Chapter 3 - Software Loading and Configuration...
  • Page 26 RASFinder User Guide MTASR3-200...

  • Page 27: Chapter 4 - Multirouter Software

    Chapter 4 - MultiRouter Software...

  • Page 28: Introduction

    At the bottom of the screen are two buttons to open the on-line Help system (MultiRouter Setup Help) and end (Exit) a Router Setup session. Just above these buttons are two fields that display the current version number of the software (Router Version) and the Router Status, which is usually “Running.” MTASR3-200...

  • Page 29: Ip Setup

    The (Ethernet and WAN) IP Port Setup windows provide the capability to disable or enable IP routing on the selected port, change the port IP Address, IP mask, and remote IP address. The Port Setup windows determine how all the RASFinder ports are configured. MTASR3-200 Chapter 4 - MultiRouter Software...
  • Page 30 In most cases, you should not have to change any of the timers (i.e., default TTL, reassembly timeout, RIP response time and RIP route aging time). The DNS Resolver is supplied for remote Telnet clients when the router is configured for remote access and the terminal server application is enabled. MTASR3-200...

  • Page 31: Ipx Setup

    If there is a server on the local segment, then IPX network number auto learn should be enabled. If there is no server, or if for some reason the RASFinder comes up before the server, the RASFinder will default to some random network numbers after a short period of time. MTASR3-200 Chapter 4 - MultiRouter Software...

  • Page 32: Spanning Tree Setup

    With Spanning Tree bridging, the RASFinder defaults with one logical WAN port mapped to a DLCI and set for “forwarding.” Any other WAN ports should be set for “blocking.” When it is required, the RASFinder will make the transition from blocking to forwarding automatically. MTASR3-200...

  • Page 33: Wan Port Setup

    RASFinder can be used as a single port remote access server. When the PPP/ SLIP mode is selected, further configuration is required using the PPP/SLIP button on the Router Setup window. MTASR3-200 Chapter 4 - MultiRouter Software...

  • Page 34: Point-To-Point Setup

    PPP is the default protocol. If SLIP is to be used, click on the PPP Enable option to disable PPP, then select the SLIP Enable option. Determine if the TCP header is going to be compressed using VJC compression. If VJC compression is used, select the CSLIP (Van Jacobson Compression) optio MTASR3-200...

  • Page 35: Chapter 5 - Remote Configuration

    Chapter 5 - Remote Configuration...

  • Page 36: Introduction

    Verify that the Communication Type field is set for Com port and the Select Port field is set for the Com port of your local PC. In the Dial String field, enter the AT command for dialing (ATDT) plus the phone number of the remote RASFinder . MTASR3-200...
  • Page 37 14 At the remote site, reconnect the RASFinder to the serial port of the PC and from the Program Manager screen click on the Router Configuration Icon to verify that the RASFinder is running. MTASR3-200 Chapter 5 - Remote Configuration...

  • Page 38: Lan-Based Remote Configuration

    In the Router IP Address field, enter the IP Address of the remote RASFinder. Click on OK when you are satisfied with your selections. The Windows Program Manager menu is displayed. Double click on the Router Configuration icon. The Reading Setup dialog box is displayed. MTASR3-200...
  • Page 39 Click on the Exit button when the downloading is complete. Click on the Router Configuration icon in the Program Manager screen to verify that the RASFinder is running. MTASR3-200 Chapter 5 - Remote Configuration...
  • Page 40 RASFinder User Guide MTASR3-200...
  • Page 41 Chapter 6 - Router Management...

  • Page 42: Introduction

    Telnet icon and a blank Telnet screen is displayed. Click on Connection (in the menu bar) to display its dropdown menu, then click on the Connect option and double-click on the Host Address assigned to the RASFinder to display the Router Management Menu. MTASR3-200...

  • Page 43: Router Management

    1) in the Router Configuration menu displays the Protocol Stacks Menu. To review the IPX routing information, you can enter the number “1” to display the options to enable/disable IPX, enable or disable AutoLearn, change the Router Name, change the Network Number, etc. MTASR3-200 Chapter 6 - Router Management...
  • Page 44 Terminal Server - The Terminal server allows an incoming call from a terminal (dumb or intelligent) to be connected to a Telnet server. Dumb TTY - The Dumb TTY allows a remote user to connect to the RASFinder’s command port for configuration and management of the RASFinder. MTASR3-200...

  • Page 45: Wan Device Configuration

    The Remote User Database option (Option 4 on the Router Management Menu) allows a remote user to add user information such as Name and Password, callback information, and which protocol stacks to enable or disable. MTASR3-200 Chapter 6 - Router Management...

  • Page 46: Web Browser Management

    Note: The first user to access the RASFinder will 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). MTASR3-200...

  • Page 47: Chapter 7 - Service, Warranty And Tech Support

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

  • Page 48: Introduction

    24-hour Fax-Back Service. Limited Warranty Multi-Tech Systems, Inc. (“MTS”) warrants that its products will be free from defects in material or workmanship for a period of two years from the date of purchase, or if proof of purchase is not provided, two years from date of shipment.

  • Page 49: Tech Support

    Also, note the status of your RASFinder including LED indicators, screen messages, diagnostic test results, DIP-Switch settings, problems with a specific application, etc. Use the space below to note the RASFinder status: ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ________________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________ ______________________________________________________________________________________________________________ ______________________________________________________________________________________________________ MTASR3-200 Chapter 7 - Service Warranty and Tech Support...

  • Page 50: Service

    RASFinder User Guide Service If your tech support specialist decides that service is required, your RASFinder may be sent (freight prepaid) to our factory. Return shipping charges will be paid by Multi-Tech Systems. Include the following with your RASFinder: •...
  • Page 51 (In most data communications programs, the PAGE DOWN key initiates the download.) 8. When the download is complete, press ENTER to return to the File Menu. 9. To exit the BBS, type G and press ENTER. MTASR3-200 Chapter 7 - Service Warranty and Tech Support...

  • Page 52: About Compuserve

    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. MTASR3-200...

  • Page 53: Appendices

    Appendices...

  • Page 54: Appendix A - Cabling Diagrams

    1 2 3 4 5 6 7 8 10BASE-2 10BASE-T Description Center Shield LINK3 LINK2 LINK1 1 2 3 4 5 6 1 2 3 4 5 6 1 2 3 4 5 6 Circuit Ring Device (Terminal Device; e.g., ASCII Terminal) MTASR3-200...

  • Page 55: Appendix B - Script Language

    /*Some more code here. */ return(t); endproc proc b; return(a(u,v); endproc MTASR3-200 <while_statement> I <switch_statement> <expression> / DO <statement_list> ENDFOR CASE <string_const> <statement_list> I DEFAULT <statement_list> } ENDSWITCH =<identifier> = <expression> ; I <identifier> / (<expression> {,<expression> } ) /; I GOTO <identifier> ; I <identifier> : I ;...
  • Page 56 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. MTASR3-200...

  • Page 57: Appendix C - Regulatory Information

    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. MTASR3-200 Appendices...
  • Page 58 7. 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.

  • Page 59: Canadian Limitations Notice

    The termination on an interface may consist of any combination of devices subject only to the requirement that the sum of the ringer equivalence numbers of all the devices does not exceed 5. MTASR3-200 Appendices...
  • Page 60 Council Directive 73/23/EEC of 19 February 1973 on the harmonization of the laws of Member States relating to electrical equipment designed for use within certain voltage limits; both amended by Council Directive 93/68/EEC of 22 July 1993 on the harmonization of CE marking requirements. MTASR3-200...

  • Page 61: Appendix D - At Command Summary

    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). MTASR3-200 Appendices...
  • Page 62 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.) MTASR3-200...
  • Page 63 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). MTASR3-200 Appendices...
  • Page 64 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. MTASR3-200...
  • Page 65 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 . MTASR3-200 Appendices...
  • Page 66 = 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. MTASR3-200...
  • Page 67 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. MTASR3-200 Appendices...
  • Page 68 RASFinder User Guide MTASR3-200...

  • Page 69: Glossary Of Terms

    Glossary of Terms...
  • Page 70 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). MTASR3-200...
  • Page 71 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”. MTASR3-200...
  • Page 72 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. MTASR3-200...
  • Page 73 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”. MTASR3-200...
  • Page 74 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. MTASR3-200...
  • Page 75 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. MTASR3-200...
  • Page 76 Long Haul: The T1 element that connects to the Access portion of the long distance company’s (LDC’s) central office. The 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). MTASR3-200...
  • Page 77 Internet. OSPF incorporates least-cost routing, equal-cost routing, and load balancing. Outage: The measure of the time during which a circuit is not available for use due to service interrupt. Outage is the complement of circuit “availability” (100% minus % available = % outage). MTASR3-200...
  • Page 78 (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”. MTASR3-200...
  • Page 79 (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. MTASR3-200...
  • Page 80 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. MTASR3-200...
  • Page 81 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). MTASR3-200 Glossary...
  • Page 82 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. MTASR3-200...

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