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US Robotics 000698-13 Getting Started Manual

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Courier
I-modem
™
®
Getting Started Guide
Final Draft
Based on part number 1.024.1153-00
1997 U.S. Robotics
8100 N. McCormick Blvd.
Skokie, IL 60076-2999 USA

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  • Page 1 Courier I-modem ™ ® Getting Started Guide Final Draft Based on part number 1.024.1153-00 1997 U.S. Robotics 8100 N. McCormick Blvd. Skokie, IL 60076-2999 USA...

  • Page 2: Windows

    The material contained in this manual is for information purposes only and is subject to change without notice. No part of this document may be reproduced, transmitted, transcribed, or stored in a retrieval system in any form or by any means, mechanical, magnetic, electronic, optical, chemical, or otherwise without the written permission of U.S.
  • Page 3 Read this First Installing Your Courier I-modem To install your Go to Internal modem Chapter 4, page 1 External modem into a PC Chapter 5, page 1 External modem to a Macintosh Chapter 5, page 1 Configuring Your Courier I-modem To configure your Courier for Go to Windows 95®...

  • Page 4: Table Of Contents

    Contents Chapter 1 Introduction.....................1-1 How to Use this Guide ....................1-1 Contacting U.S. Robotics...................1-1 I-modem Features......................1-2 Dial Security to Control Access to Your System .............1-2 Testing........................1-2 Flash ROM Upgradability ..................1-2 Plug and Play Support for Windows 95..............1-2 Remote Configuration and Diagnostics..............1-2 Terminal Adapter Features..................1-3 Integral V.Everything Modem Features ..............1-4 Chapter 2 The I-modem and ISDN ................2-1...
  • Page 5 Step Three: Inserting the Modem ................4-8 Step Four: Connecting the Cables ................4-10 Testing the Installation .....................4-11 Chapter 5 Installing Your External I-modem............5-1 What You Need......................5-1 Package Contents .......................5-1 Installing Your External I-modem ................5-2 Step One: Connecting the Serial Cable..............5-3 Step Two: Connecting the ISDN Cable ..............5-4 Chapter 6 Using the Configuration Manager ............6-1 Overview........................6-1 Configuration Manager ..................6-1...
  • Page 6 Installing the Latest I-modem Software ..............8-4 Accessing Your Internet Service Provider..............8-4 Step One: Determine if Dial-Up Networking is Installed.........8-4 Step Two: Installing Dial-Up TCP/IP Support ............8-7 Step Three: Setting Up a Connection to Your ISP ...........8-8 Step Four: Customizing the TCP/IP Settings............8-11 Chapter 9 Configuring Your I-modem For Macintosh...........9-1 Handshaking Cable ....................9-1 System Configuration ....................9-1...
  • Page 7 Using DIP Switches to Configure Your I-modem...........12-4 Jumpers on the Internal I-modem ................12-4 Locating Jumpers ....................12-4 Changing Jumper Settings ..................12-5 Setting Jumpers for a Specific COM Port .............12-6 Setting Jumpers for a Specific IRQ ...............12-6 Chapter 13 Viewing LEDs..................13-1 Chapter 14 Using x2 ....................14-1 Enhanced x2 Features....................14-1 How to Tell if x2 is Enabled in Your I-modem ............14-2 Obtaining x2 ......................14-2...
  • Page 8 Minimum Requirements ..................B-7 For Macintosh Computers ..................B-8 Serial Ports (Macintosh modem)................B-9 Appendix C The Serial Port ..................C-1 Choosing a Serial Cable .................... C-1 Macintosh ......................... C-2 Appendix D Warranty..................... D-1 U.S. Robotics Access Corp. Limited Warranty............D-1 Terms of the Limited Warranty ................

  • Page 10: Chapter 1 Introduction

    Chapter 1 Introduction How to Use this Guide Use this Getting Started Guide to obtain the information you need to get your Courier™ I-modem® modem installed, configured, and running correctly. For more information about advanced commands, view the I-modem Command Reference, which is on the Connections CD-ROM. If you understand how ISDN works, you can skip directly to Chapter 3, Ordering ISDN.

  • Page 11: I-Modem Features

    I-modem Features Dial Security to Control Access to Your System The Courier’s Dial Security feature allows you to control access at a modem-to-modem level instead of using software that runs on the host computer. With Dial Security, you can prevent unauthorized access to a system through the use of password prompting and dial-back.
  • Page 12 communicate on the ISDN at speeds of up to 64 kbps. Optional Built-in NT-1 The I-modems with Integrated NT-1 contain an on-board NT-1, sparing you the expense and extra cabling associated with an external NT-1. Optional Analog Device Jack The I-modem with Integrated NT-1 and Analog Device Jack allows you to plug in an analog telephone, fax machine, or modem, allowing analog devices to communicate over an ISDN B-channel.

  • Page 13: Integral V.everything Modem Features

    Link Diagnostics After each call, you can display a Link Diagnostics screen (ATI6) con- taining information about the last call, including the number of data characters transferred, line statistics, the call's rate, and the reason the call was disconnected. Switched-56 Support The I-modem can communicate to remote devices connected via Switched-56 circuits.
  • Page 14 x2 56-kbps Connectivity If you have enabled x2, your Courier can connect at speeds up to 56 kbps. While line conditions may not always allow for 56 kbps connections, the new Courier software allows you to achieve the fastest analog speeds available. Adaptive Speed Leveling to Adjust to Line Conditions Adaptive Speed Leveling®...
  • Page 15 Courier I-modem Getting Started Guide...

  • Page 16: Chapter 2 The I-Modem And Isdn

    Chapter 2 The I-modem and ISDN The Courier I-modem with ISDN/V.Everything is an Integrated Services Digital Network (ISDN) terminal adapter that can perform all the functions of a Courier V.Everything fax/modem. Overview The I-modem is capable of exchanging data over the ISDN at speeds of up to 128 kbps with ISDN devices or up to 56 kbps with analog devices, before compression.

  • Page 17: What Is Isdn

    What is ISDN? Integrated Services Digital Network is an application of digital technology that provides end-to-end digital service over the public communications network. ISDN was designed to integrate the transmissions from a variety of devices, (computers, telephones, and fax machines) into one digital network.
  • Page 18 At your site, the BRI line takes the form of an RJ45 or RJ11 wall jack, which in ISDN is called the U interface. RJ45 connectors have eight pins and RJ11s have four or six pins. At the U-interface, you can plug an RJ11 connector into an RJ45 jack, and your line will work correctly.

  • Page 19: How Does The I-Modem Fit In

    Required Components BRI-line signals must be translated into signals your computer can understand. Several devices must be in place to perform the translation. This Is a device That does not have built-in ISDN capability. TE2s require Terminal Adapters (TAs), (Terminal Equipment 2) such as the I-modem, to communicate over the ISDN.

  • Page 20: U-Interface With Integrated Nt-1

    U-Interface with Integrated NT-1 Figure 1–5 illustrates how the I-modems with Integrated NT-1 connect your computer to the ISDN. ISDN BRI Line I-modem Figure 2.6 A Typical Installation of the I-modem Once you’ve subscribed to ISDN service (see Chapter 2, Ordering ISDN Service, for much more detail), your local telephone company will install a BRI line at your site.

  • Page 21: Setting Up Your I-Modem For Isdn

    Setting Up Your I-modem for ISDN You can get your ISDN service working by following these five easy steps: Step One: Subscribe to ISDN service. Step Two: Your local telephone company will install a BRI line at your site. Step Three: Install the I-modem in your computer. Step Four: Purchase and install an NT-1 (if necessary) and connect the cables.

  • Page 22: Universal Connect

    Compression The I-modem supports the leading de-facto standards for compression over ISDN: Stac LZS, Microsoft, and Ascend. Multilink PPP (MP-PPP) Multilink PPP support enables the I-modem to use both of the available B-channels simultaneously. The I-modem uses PPP/MP-PPP spoofing to mediate between applications running on your computer, which may not be aware of MP-PPP, and host computers that support MP-PPP.
  • Page 23 Courier I-modem Getting Started Guide...

  • Page 24: Chapter 3 Ordering Isdn Service

    Chapter 3 Ordering ISDN Service This chapter gives you and your local telephone company all the information needed to set up the lines correctly. Overview To order ISDN service, contact your local telephone company, give them information about your I-modem, and record information that they give you, such as your new ISDN telephone numbers, called SPIDs.

  • Page 25: Requesting Isdn Service

    Requesting ISDN Service Call your local telephone company and request Bellcore Capability Package S (listed in Bellcore SR-3840). If your telephone company does not recognize Bellcore capability packages, request the following items: ISDN BRI service. Number of channels: 2B+D, with no packet-mode data on the D- channel.
  • Page 26 Obtain the following information from your local telephone company: 1 SPID (Service Profile Identifier) per B-channel. 1 DN (Directory Number) per B-channel. Call types supported on each B-channel. If the switch does not auto-assign TEIs (most do), then you need one fixed TEI per B-channel.
  • Page 27 Courier I-modem Getting Started Guide...

  • Page 28: Chapter 4 Installing Your Internal I-Modem

    Chapter 4 Installing Your Internal I-modem This chapter explains how to: Configure with jumpers Configure with DIP switches Insert the internal I-modem Connect cables to the internal I-modem Important: Review Chapter 2, The I-modem and ISDN, and Chapter 3, Ordering ISDN Service, before installing the I-modem. Requirements You need the following to install your I-modem: IBM-compatible computer with a free interface card slot...

  • Page 29: Package Contents

    Package Contents Your I-modem package contains the following items: The I-modem Telephone cable Quick Reference card Customer Support card This Getting Started manual I-modem Configuration Manager diskette. The Connections CD-ROM, which contains: – I-modem Command Reference Guide – RapidComm communications software and manuals –...

  • Page 30: Important

    Important! The I-modem emulates a serial interface card with a 16550 UART. Like serial interface cards, it must be assigned a unique communications (COM) port number and a unique interrupt request (IRQ) number. If you are using a computer with a Plug and Play compliant BIOS and operating system and you set the I-modem’s jumpers to Plug and Play (the default), your computer’s operating system will take care of the COM and IRQ settings for you.

  • Page 31: Installing Your Internal I-Modem

    Installing Your Internal I-modem To install your internal I-modem, do the following: Step One: Configure your I-modem with jumpers (if necessary) Step Two: Configure your I-modem with DIPs (if necessary) Step Three: Insert your I-modem Step Four: Connect the cables Step One: Configuring with Jumpers Your I-modem comes configured for Plug and Play, which allows Windows 95 to automatically configure itself to work with the...
  • Page 32 Figure 4.2 Default Jumper Settings In addition to the shunt shown in Figure 4.2, the I-modem is shipped with two additional shunts. These shunts do not affect the configuration of your I-modem because they are attached to only one post; change the positions of these shunts only if you need to change hardware settings.

  • Page 33: Step Two : Configuring With Dip Switches

    Step Two : Configuring with DIP Switches You will probably not need to change the DIP switch settings, but review this section to be sure. The DIP (Dual Inline Package) switches are located on the bracket of the I-modem. See Figure 3-7 to learn how to set the switches. DIP switches Figure 4.3 Location of the DIP Switches.
  • Page 34 OFF ON No effect No effect No effect No effect Ignore AT commands Act on AT commands Load &F0 template Load NVRAM settings settings on power-on or at power-on or reset reset Figure 4.4 How to Set the DIP Switches. For information about AT commands, refer to Chapter 2, Using the AT Command Set, in the I-modem Command Reference manual.

  • Page 35: Step Three: Inserting The Modem

    Step Three: Inserting the Modem Note: The illustrations in this section may not match the appearance of your computer. For more detail, refer to your computer’s user’s manual. Turn off the computer’s power and unplug the computer’s power cord. Ground yourself. Remove the screws that hold on the computer’s cover and slide the cover off.
  • Page 36 Insert your Courier into the slot and press down on the top edge of your Courier until it is seated firmly. Using the screw you saved in Step 4, secure your Courier in your computer. Replace the cover of your computer and tighten the screws. You are now ready to connect the cables.

  • Page 37: Step Four: Connecting The Cables

    Step Four: Connecting the Cables I-modems with Integrated NT-1 Model U Connect one end of the U-interface cable to the ISDN BRI jack and the other end to the I-modem. If your I-modem has an Analog Device port, connect an analog device, such as a standard telephone, now.

  • Page 38: Testing The Installation

    Testing the Installation To test your Courier, use any communications software package, such as Windows Terminal, HyperTerminal, Procomm Plus, or RapidComm. HyperTerminal is used as an example. Every communications program is different; consult the documentation that came with your communications program for more information.
  • Page 39 Enter the phone number you want to dial in Phone number and click OK. If you only want to test your modem, you may enter any number. 4-12 Courier I-modem Getting Started Guide...
  • Page 40 Change any properties and: To do this Click this button Dial a number Dial Test without dialing a number Cancel Installing the Internal I-modem 4-13...
  • Page 41 When the HyperTerminal terminal window appears, enter AT and hit <enter>. If your modem is connected and configured properly, you will see “OK” on the terminal screen. You are now ready to configure your Courier modem. 4-14 Courier I-modem Getting Started Guide...
  • Page 42 Installing the Internal I-modem 4-15...

  • Page 43: What You Need

    Chapter 5 Installing Your External I-modem This chapter explains how to: Connect the serial cable Connect the ISDN cable Connect the power cord What You Need You need the following to install your Courier I-modem: Computer or terminal with a serial port (16650 UART recommended) ISDN Basic Rate Interface (BRI) line Package Contents Your Courier I-modem package contains the following items:...
  • Page 44 These figures show the controls, displays, and connectors on your Courier I-modem and indicate where to find more information about each. with ISDN/V .34 CTS SYNC ARQ/ Figure 5.1 Front panel of the I-modem POWER DATA PHONE O N / O F F I/ O Figure 5.2 Rear panel of the I-modem Installing Your External I-modem...

  • Page 45: Step One: Connecting The Serial Cable

    Step One: Connecting the Serial Cable Look at the back of your computer for a port: If you have Ports may be labeled this way An IBM-compatible PC COM, RS-232, or with symbols such as IOIOI, , or A Macintosh (modem port) or (printer port) Refer to your computer’s documentation to determine where the...

  • Page 46: Step Two: Connecting The Isdn Cable

    Step Two: Connecting the ISDN Cable After you have selected the correct cable, connect the male DB-25 end of your serial cable to your Courier I-modem and the other end to a serial port on your computer. If you have an IBM-compatible PC, connect the male DB-25 to your Courier I-modem and the other end to COM, RS-232, or with symbols such as IOIOI, , or...

  • Page 47: Chapter 6 Using The Configuration Manager

    Chapter 6 Using the Configuration Manager This chapter explains how to configure and test the I-modem using the Configuration Manager software. If the computer to which you’ve connected the I-modem cannot run Windows applications, follow the steps in Chapter 7, Configuring With AT Commands.

  • Page 48: Service Profile Identifiers

    Service Profile Identifiers Service Profile Identifiers (SPIDs) tell the telephone company about any special services and features to which you've subscribed. SPIDs can be up to 20 digits long. Terminal Endpoint Identifier The TEI is a one or two digit number that permanently identify a your connection with the central office switch.

  • Page 49: Configuring The I-Modem

    The following window appears when installation is complete. Eject the diskette from the drive. Configuring the I-modem Start the I-modem Configuration Manager by clicking the ISDN Program icon: The following window appears: Select the COM Port to which the I-modem is connected and then select Open COM Port.
  • Page 50 window disappears and the following window appears: (If you cannot communicate with the I-modem, you may have a COM port or IRQ conflict. Refer to Chapter 15, Troubleshooting, in the I-modem Command Reference manual.) Data Channel Call Type Choose one of the following call types for the Data B- channel.
  • Page 51 Enter the DN for the Data B-channel. Do not include your area code. Data Channel Terminal Endpoint ID Typically, ISDN service providers assign TEIs automatically. If you were given a fixed TEI, type it in this blank. If not, leave 00. Analog Device Channel Dialing Method If you select The I-modem dials...
  • Page 52 Analog Device Channel Terminal Endpoint ID Typically, ISDN service providers assign TEIs automatically. If you were given a fixed TEI, type it in this blank. If not, leave 00. Switch Protocol Type Choose the switch protocol used by your ISDN service provider.
  • Page 53 Physical Interface indicates whether there is a good physical connection between the I-modem and the central-office switch. If the Physical Interface is The I-modem has made Inactive No connection. Active A good connection. The Data Link Layer can be active only when the Physical Interface is active.

  • Page 54: Testing

    Testing Start your communications software package. Use a terminal emulation program, such as HyperTerminal. Change the COM port and IRQ settings in your communications software to match the I-modem’s setup. Make a test data call. Put your communications software in Terminal Mode. Call the U.S.

  • Page 55: If You Have No Spids And Only One Dn

    protocol, you can use fewer than two SPIDs/DNs, although this is not recommended. Lines with fewer than two SPIDs/DNs prevent your making two analog-based calls at one time. For example, with fewer than two SPIDs/DNs, you can make a digital call (such as V.120 or synchronous PPP) and a voice call at the same time, but not a fax/modem and a voice call simultaneously.

  • Page 56: If You Have One Spid And One Dn

    Incoming Modem/Fax Call Routing Select one of the following: To use The I-modem routes incoming analog calls Analog To the Analog Device port (handled by the device Device Port attached to the Analog Device port). Data Port To the Data Port (handled by the I-modem). Bus Configuration Select Point-to-Point.

  • Page 57: Chapter 7 Configuring With At Commands

    Chapter 7 Configuring With AT Commands This chapter explains how to configure and test the I-modem using AT commands and terminal software. Overview Configuring the I-modem Before you can make any calls, you need to configure the I-modem to work on your ISDN line. If you haven’t ordered an ISDN line, see Chapter 3, Ordering ISDN Service.

  • Page 58: Preparing To Send At Commands

    Preparing to Send AT Commands Get the information from your ISDN service provider that contains your ISDN phone numbers and central-office switch type. Start your computer and your communications software. Use a terminal emulation software package, such as HyperTerminal. Put your communications software into Terminal mode. When your communications software is in Terminal mode, the commands you type go directly through the serial port to the I-modem.

  • Page 59: Configuring And Testing Your I-Modem

    Configuring and Testing Your I-modem Before you can use your Courier, you must perform the following steps. Step One: Configure the I-modem Step Two: Check the I-modem’s settings Step Three: Save the settings Step Four: Test the I-modem Step One: Configuring the I-modem Look over the information you received from your ISDN service provider to obtain your central-office switch and protocol type.
  • Page 60 Set the appropriate bus configuration. To set Use this command Point to point AT*M=0 Multipoint AT*M=1 Set up the ANALOG DEVICE B-channel. Set the Service Profile Identifier (SPID). The command is AT*S1=n Example: AT*S1=84755511110111 <Enter> Set the Directory Number (DN). The command is AT*P1=n Example: AT*P1=5551111 Set the Terminal Endpoint Identifier (TEI), if you were...
  • Page 61 Set the Call Type. Note: The call type that you choose will apply to outgoing calls only. The command is AT*V1=n To set this call type Use this command 3.1 kHz audio (for modem, AT*V1=0 fax, or voice calls) Speech only AT*V1=1 Set up the DATA B-channel.

  • Page 62: Step Two: Checking The Configuration

    Set the Call Type. Note: The call type you choose will apply to both incoming and outgoing calls. The command is AT*V2=n To set this call rype Use this command Automatic service choice AT*V2=0 (Universal Connect) V.120 rate adaption calls only AT*V2=1 V.110 rate adaption calls only AT*V2=2...

  • Page 63: Step Four: Testing The Configuration

    Step Four: Testing the Configuration After you reset your I-modem (in Step Three) watch the I-modem’s LED status indicators. AA, DTR, MR, RTS, and CTS should be lit green, and NS should blink yellow rapidly. Watch the NS LED closely. It should follow this pattern: Step The NS LED Means this...

  • Page 64: Special Considerations For At&T 5Ess Custom

    Make a test data call. Call the U.S. Robotics BBS. Type the following: ATDT18477348612 <Enter> Or, in the 847 area code: ATDT7348612 <Enter> Note: When you make ISDN calls, you won’t hear dialing or training tones when the call is being made. This is normal. You should see one of the following messages: CONNECT 56000/ARQ/DIGITAL/V120 CONNECT 64000/ARQ/DIGITAL/V120...

  • Page 65: If You Have No Spids And Only One Dn

    If You Have No SPIDs and Only One DN Make these modifications when entering your line configuration. Switch protocol type. Set to AT&T 5ESS Custom: enter AT*W=0 Bus configuration. Set to Point-to-Point: enter AT*M=0 Data channel SPID. Leave blank: enter AT*S2= and press <Enter>. Data channel DN.

  • Page 66: If You Have One Spid And One Dn

    If You Have One SPID and One DN Make these modifications when entering your line configuration. Switch protocol type. Set to AT&T 5ESS Custom: type AT*W=0 <Enter>. Bus configuration. Set to Multipoint: type AT*M=1 <Enter>. Data channel SPID. Enter your SPID (up to 20 digits): for example, type AT*S2=84755511110111 <Enter>.

  • Page 67: Chapter 8 Configuring Your Courier For Windows 95

    Chapter 8 Configuring Your Courier For Windows 95 This chapter explains how to: Configure your I-modem for use with Plug and Play Obtain and install the latest I-modem files Configure Dial-Up Networking to access your ISP Overview The first time you start Windows 95 after you’ve installed your Courier, Windows 95 auto-detects your Courier.
  • Page 68 Follow the steps below to install I-modem INF file for Windows 95: Power on your computer and start Windows 95. Your computer detects new hardware and displays the following window: Select Driver from disk provided by hardware manufacturer and click OK to install the INF file that is provided on the root directory (D:\ or the correct path of your CD-ROM) of the Connections CD- ROM.
  • Page 69 When the following window appears, insert your Connections CD- ROM, change the default drive (A:\) in “Copy Manufacturer’s files from” to D:\ (or the correct path of your CD-ROM) and click OK to install the INF file. Windows 95 displays the following window asking you to choose your I-modem type from the list: Select the Courier I-modem with ISDN &...

  • Page 70: Files Needed By Your I-Modem

    Files Needed By Your I-modem For your I-modem to work most efficiently, U.S. Robotics recommends that you use the latest version of the following two files from the U.S. Robotics web site (http:/ / totalservice.usr.com) or ISDN (847.734.8612) or analog (847.982.5092) BBS. This file Does this The I-modem...

  • Page 71: Installing The Latest I-Modem Software

    Installing the Latest I-modem Software See your I-modem Command Reference Manual for information about upgrading your Courier’s software. Accessing Your Internet Service Provider This section explains how to set up your I-modem to access the Internet using Windows 95 Dial-Up Networking. You can also use Dial-Up Networking to access Internet Service Providers (ISPs) or remote LANs.
  • Page 72 If Dial-Up Networking Do this Is listed Go to the section “Installing TCP/IP Support” to install Dial-Up Networking. Is not listed Go to Step 3. Return to the Control Panel and double-click on Add/Remove Programs to open the Add/Remove Programs Properties window: Courier I-modem Getting Started Guide...
  • Page 73 Click Windows Setup tab. Windows 95...
  • Page 74 Double-click on Communications to display the Communications window: Click on Dial-Up Networking to check the box. Click OK | OK. Insert your Windows 95 Setup diskette or CD-ROM when you are prompted, and Windows 95 installs Dial-Up Networking. Courier I-modem Getting Started Guide...

  • Page 75: Step Two: Installing Dial-Up Tcp/Ip Support

    Step Two: Installing Dial-Up TCP/IP Support Click Start | Settings | Control Panel. On the Control Panel, double-click on the Network icon to display the following window: Determine if the TCP/IP Dial-Up Adapter is installed: IF TCP/IP -> Do this Dial-Up Adapter Is not listed...
  • Page 76 support. Is listed Read the section “Customize the TCP/IP Settings” 8-10 Courier I-modem Getting Started Guide...

  • Page 77: Step Three: Setting Up A Connection To Your Isp

    Step Three: Setting Up a Connection to Your ISP Click Start | Programs | Accessories | Dial-Up Networking. Double-click Make New Connection. Select the correct Courier modem, if not already selected Type a name for the connection and click Next . Windows 95 8-11...
  • Page 78 Type a phone number for the connection and click Next . You should see a message indicating that a new connection was created successfully. 8-12 Courier I-modem Getting Started Guide...
  • Page 79 Click Finish. On the Dial-Up Networking window, move your cursor to the new icon you have just created and click the right mouse button. Select Properties on the menu to display the following window: On the My Connection window, click Server Type…, and deselect the following: Log on to Network NetBEUI...

  • Page 80: Step Four: Customizing The Tcp/Ip Settings

    Step Four: Customizing the TCP/IP Settings Depending on the ISP you use, you may need to customize the TCP/IP settings. Contact your ISP for specific information, such as IP address, or domain name servers (DNS). Click My Computer and double-click Dial-Up Networking icon to display all the connections you can customize.
  • Page 81 On the My Connection window, click Server Type to display the TCP/IP Settings window. Specify an IP address, if needed: If your ISP Do this Gives you a specific IP address Click Specify an IP address and enter the IP address provided by your ISP Does not give you a specific IP Click Server assigned IP...
  • Page 82 After you specify an IP Address, specify server assigned server addresses, if needed: If your ISP Do this Gives you specific server Click Specify name server addresses addresses and enter the server address(es) provided by your Does not give you specific Click Server assigned server address server addresses...

  • Page 83: Chapter 9 Configuring Your I-Modem For Macintosh

    Chapter 9 Configuring Your I-modem For Macintosh This chapter explains how to configure your I-modem for use with Macintosh computers. Handshaking Cable Use a hardware handshaking cable to connect your I-modem to the Macintosh. System Configuration Also, if you aren’t using AppleTalk® Remote Access (ARA), set AppleTalk to Inactive (in Chooser).

  • Page 84: Configuring Mactcp

    Configuring MacTCP Open the MacTCP control panel. Click PPP and More… In Obtain Address group box, click Server. In Domain Name Server Information, enter the domain name and IP address for one or more domain name servers. Note: If you don’t have domain name server information, contact your ISP.

  • Page 85: Configuring Configppp Dialer

    Configuring ConfigPPP Dialer ConfigPPP is your PPP dialer. Open ConfigPPP and click New... Enter your Port Name and click OK. Click Config… and set your Port Speed (the fastest speed for MacPPP is 57.6 kbps), phone number, and modem initialization string. Click Authentication…...
  • Page 86 Courier I-modem Getting Started Guide...

  • Page 87: Chapter 10 Configuring Your I-Modem For Other Operating Systems

    Chapter 10 Configuring Your I-modem for Other Operating Systems This chapter explains how to configure your I-modem for: Windows 3.x Windows NT MS-DOS OS/2 UNIX, Linux, or AIX If You Are Using Windows 3.x Windows 3.x comes with a built-in communications software package, Windows Terminal.

  • Page 88: If You Are Using Windows Nt 4.0

    If You Are Using Windows NT 4.0 What You Need You need Windows NT with Remote Access Service (RAS) installed to configure your I-modem for Windows NT. Configuring Your I-modem To obtain and install the I-modem INF file for Windows NT, follow the same steps as Windows 95 users.

  • Page 89: If You Are Using Ms-Dos

    If You Are Using MS-DOS Because there is no communications software built in to MS-DOS, you must install and run a third-party communications software package to operate your I-modem. RapidComm, which is included on the Connections CD-ROM, contains MS-DOS and Windows 3.1 versions of RapidComm. You must choose the COM port to which your I-modem is attached in whatever communications software package you are using.

  • Page 90: If You Are Using Os/2

    If You Are Using OS/2 Replace the standard OS/2 serial port drivers COM.SYS and VCOM.SYS with SIO.SYS and VSIO.SYS. You can get these enhanced drivers from the U.S. Robotics web site. For instructions about how to set up your OS/2 communications software package, visit the U.S.

  • Page 91: If You Are Using Unix, Linux, Or Aix

    If You Are Using UNIX, Linux, or AIX Linux has a built-in communications software package called minicom. You can obtain minicom on the U.S. Robotics FTP site (ftp.usr.com) in the usr/bin directory. For instructions about how to set up your UNIX®, Linux, or AIX communications software package, visit the U.S.
  • Page 92 10-6 Courier I-modem Getting Started Guide...

  • Page 93: Overview

    Chapter 11 Configuring TurboPPP With AT Commands This chapter explains how to control TurboPPP with AT commands. Overview TurboPPP allows your I-modem to use both B-Channels to send and receive data over the ISDN. TurboPPP includes the following features: This feature Allows the I-modem to PPP/ML-PPP (Multilink Accept PPP/ML-PPP calls...

  • Page 94: Setting Ppp/Ml-Ppp Host And Originate Mode

    Setting PPP/ML-PPP Host and Originate Mode Use the following *P settings to control PPP/ ML-PPP: To do this Use this Or these settings setting Set all PPP-related *P=0 *V2=5, S68.2=0, S68.3=0, S68.6=0, S69.1=0, *D1=2, default values *D2=24 *D3=90, *D4=44, *K=1 Set Asynchronous to *P=1 S68.2=1...
  • Page 95 Regular Connection Without ML-PPP Connection With ML- PPP Configuring with AT commands 11-3...

  • Page 96: Dynamic Data Bandwidth Allocation

    Dynamic Data Bandwidth Allocation Dynamic Data Bandwidth Allocation is a cost savings feature that helps you save money by only using the second B-channel when it is need for data transfers, and then dropping the second B-channel when it is not needed.

  • Page 97: Setting When The Second Link Comes Up

    Setting When the Second Link Comes Up Use the following *D3 setting to determine when the I-modem should bring up a second link: To do this Use this setting Example Determine when the second *D3=n, where n equals *D3=90 link should be brought up, 1 -100% (90%) based on the level of...

  • Page 98: Using Compression In Turboppp Mode

    Using Compression in TurboPPP mode Courier I-modem supports the following three types of compression modes in TurboPPP. Pass-through Compression Pass-through compression allows the terminal applications running on each PC on both ends of the connection to perform compression. Using this form of compression, the Courier I-modem does not perform compression.
  • Page 99 I-modem supports a 230 kbps DTE rate using ML-PPP. Configuring with AT commands 11-7...
  • Page 100 11-8 Courier I-modem Getting Started Guide...

  • Page 101: Chapter 12 Configuring Your I-Modem With Dip Switches And Jumpers

    Chapter 12 Configuring Your I-modem With DIP Switches and Jumpers This chapter explains how to: Locate DIP switches Configure with DIP switches Configure with jumpers (internal I-modem only) DIP Switches on the External I-modem Locating DIP Switches On the external I-modem, the DIP switches are on the bottom of the unit. DIP Switches Figure 8.1 DIP Switches on the External Courier Default DIP Switches (Model U)
  • Page 102 12-2 Courier I-modem Getting Started Guide...

  • Page 103: Default Dip Switches (Model U, V.35)

    Default DIP Switches (Model U, V.35) The V.35 interface is provided so that you can connect the I-modem to a bridge, router, or multiplexer, as a replacement or backup for a CSU/DSU and leased lines. To change the setting to V.35, flip the DIP switches on the bottom of the I-modem to the following positions (DIP switches 1 and 2 aren’t shown in the figure because their settings are not relevant): Figure 8.2 Default DIP Switches for the External Model U Courier...

  • Page 104: Dip Switches On The Internal I-Modem

    DIP Switches on the Internal I-modem Locating DIP Switches On the internal I-modem, the DIP switches are on the end of the unit. DIP Switches Figure 8.5 DIP Switches on the Internal Courier Default DIP Switches DIP switches 1 and 2 are set ON. DIP switches 3 and 4 are unused. 12-4 Courier I-modem Getting Started Guide...

  • Page 105: Using Dip Switches To Configure Your I-Modem

    Using DIP Switches to Configure Your I-modem To do this Set DIP To this setting Switch Load &FO settings upon reset Load NVRAM settings upon reset ON(Default) Ignore AT commands Enable AT commands ON (Default) Note: DIP switches 3 and 4 are unused. Jumpers on the Internal I-modem Locating Jumpers Your internal I-modem is set to Plug and Play.

  • Page 106: Changing Jumper Settings

    Changing Jumper Settings You can add shunts (see figure 8.9) to cover sets of pins on the jumper blocks (see figure 8.8). Caution: If you do not have any hardware conflicts, you do not need to use this section. To change jumper settings, use tweezers or needle-nosed pliers and gently rock the jumper back and forth as you lift.

  • Page 107: Setting Jumpers For A Specific Com Port

    Setting Jumpers for a Specific COM Port or IRQ To set your modem to To set the COM port jumpers to COM 1 COM 2 COM 3 COM 4 Plug and Play Setting Jumpers for a Specific IRQ To set your modem to To set the IRQ jumpers to IRQ 2 IRQ 3...

  • Page 108: Chapter 13 Viewing Leds

    Chapter 13 Viewing LEDs This chapter explains how to view the twelve LEDs on the front of your external I-modem. with ISDN/V .34 CTS SYNC ARQ/ This LED Status Means your I-modem Green blink Digital call connected at 64 or 56 kbps. (8/sec) Green blink Analog modem or fax call connected.
  • Page 109 This LED Status Means your I-modem Green Line ready Green blink S/T-interface OK, but line not yet ready (1/sec) Red blink Incorrect SPID (1/sec) Amber blink Looking for S/T-interface (1/sec) U-interface not found (I-modem Model U) Amber blink Looking for U-interface (I-modem Model U) (8/sec) The I-modem does not have control of the line.
  • Page 110 Viewing LEDs 13-3...

  • Page 111: Chapter 14 Using X2

    Chapter 14 Using x2 Use this chapter to: Determine if your I-modem has x2 enabled Use the new features Enhanced x2 Features Your I-modem with x2™ has new result codes and the following new features. To do this Use this command Detemine if x2 is enabled in your modem ATI7 Disable or enable x2...

  • Page 112: How To Tell If X2 Is Enabled In Your I-Modem

    How to Tell if x2 is Enabled in Your I-modem If you aren’t sure whether x2 is enabled in your I-modem, use the ATI7 command to display product configuration information. If x2 is enabled on your I-modem, the following information displays: USRobotics I-modem Configuration Profile...

  • Page 113: How X2 Works

    How x2 Works For information about how x2 works, visit the x2 web site at http:/ / www.usr.com/x2 Controlling x2 The I-modem allows you to communicate using x2 Server Mode and x2 Symmetric Mode. x2 Server Mode Using x2 Server Mode, you can accept calls from x2 client modems. Using this mode, the x2 client modem that connects to your I-modem can receive data at speeds up to 56 kbps and send data at V.34 speeds.

  • Page 114: Controlling Link Speeds

    Controlling Link Speeds You can use the &N and &U commands to control the link speeds of your I-modem with x2. Use the following table to determine how to use &N and &U commands: To limit the Highest possible connect speed &N Lowest possible connect speed &U...

  • Page 115: Limiting The Lowest Possible Connect Speed

    Limiting the Lowest Possible Connect Speed The &U command allows you to limit the lowest possible connect speed. If a remote modem attempts to connect to your Courier with x2 at a speed lower than &U, your Courier with x2 will not allow it to connect. To limit the Use this command Where x is...

  • Page 116: N And &U Command Values

    &N and &U Command Values Use the following table for a complete list of &N and &U link speeds and their associated indexes: Link Index Link Index Link Index Speed Speed Speed Highest 21600 45333 24000 46666 1200 26400 48000 2400 28800 49333...

  • Page 117: Troubleshooting X2 Client Connections

    Troubleshooting x2 Client Connections Use the chart below to understand issues affecting your I-modem with x2 and how to fix them: This may be the issue Do this x2 may not be enabled See the section “How to Tell if x2 is Enabled” (Use on your Courier.

  • Page 118: New X2 Result Codes

    New x2 Result Codes Use the following table for a list of all result codes, including new x2 result codes: Numeric Alphanumeric CONNECT 33333 CONNECT 33333/ARQ CONNECT 33333/x2 CONNECT 33333/ARQ/x2 CONNECT 37333 CONNECT 37333/ARQ CONNECT 37333/x2 CONNECT 37333/ARQ/x2 CONNECT 41333 CONNECT 41333/ARQ CONNECT 41333/x2 CONNECT 41333/ARQ/x2...
  • Page 119 New x2 Result Codes (Continued) Numeric Alphanumeric CONNECT 46666/ARQ/x2 CONNECT 48000 CONNECT 48000/ARQ CONNECT 48000/x2 CONNECT 48000/ARQ/x2 CONNECT 49333 CONNECT 49333/ARQ CONNECT 49333/x2 CONNECT 49333/ARQ/x2 CONNECT 50666 CONNECT 50666/ARQ CONNECT 50666/x2 CONNECT 50666/ARQ/x2 CONNECT 52000 CONNECT 52000/ARQ CONNECT 52000/x2 CONNECT 52000/ARQ/x2 CONNECT 53333 CONNECT 53333/ARQ CONNECT 53333/x2...
  • Page 120 New x2 Result Codes (Continued) Numeric Alphanumeric CONNECT 56000/ARQ CONNECT 56000/x2 CONNECT 56000/ARQ/x2 CONNECT 57333 CONNECT 57333/ARQ CONNECT 57333/x2 CONNECT 57333/ARQ/x2 CONNECT 64000 CONNECT 64000/ARQ CONNECT 64000/x2 CONNECT 64000/ARQ/x2 Table 14.4 New Result Codes There is a complete list of result codes in your I-modem Command Reference.

  • Page 121: Appendix A Other I-Modem Features

    Appendix A Other I-modem Features This chapter explains how to use new features not covered in the Courier I-modem Command Reference manual. Data Over Voice Data Over Voice (DOV) is a feature that allows the I-modem to make more cost effective 3.1 kHz analog calls while allowing the I-modem to send digital data at 56 kbps.

  • Page 122: Period Dial Modifier

    Period Dial Modifier The period (‘.’) dial modifier is used to send DTMF tones after the telephone number is dialed. The period dial modifier can be used with the comma (',') dial modifier to insert delay between the numbers as appropriate for the application.

  • Page 123: Saving Money With Analog Calls

    Saving Money With Analog Calls By default, the I-modem anticipates the rare occasion that telephone company equipment incorrectly allows a digital connection when you call a modem or fax machine. In these situations, although the I-modem proceeds with the call as a standard analog (fax or modem) call, the telephone company bills the call as digital.
  • Page 124 Courier I-modem Getting Started Guide...

  • Page 125: Appendix B Technical Information

    Appendix B Technical Information This chapter describes technical and serial port information. Technical Specifications Standards Compatibility Your I-modem uses multiple standard data communications protocols and is also compatible with many nonstandard schemes. The following schemes are supported: ISDN This standard Supports ITU-T Q.921 ISDN data link layer...

  • Page 126: Modulation

    Modulation This modulation Supports Up to 56 kbps downstream and V.34 speeds upstream ITU-T V.34 33.6/31.2/28.8/26.4/24/21.6/19.2/16.8/14.4/12 kbps; 9600/7200/4800 bps asynchronous Trellis Coded Modulation (TCM) V.FC 28.8/26.4/24/21.6/19.2/16.8/14.4 kbps asynchronous TCM V.32 terbo 21.6/19.2/16.8/14.4/12 kbps; 9600/7200 bps asynchronous TCM; 4800 bps asynchronous Quadrature Amplitude Modulation (QAM) 16.8/14.4/12 kbps;...

  • Page 127: Error Control, Data Compression, Testing, And Dialing

    Error Control, Data Compression, Testing, and Dialing This Supports ITU-T V.42 LAPM error control, 1200 bps and higher Levels 2, 3 and 4 error control, level 5 data compression, 1200 bps and higher Asymmetrical mode, at 16.8/14.4/12 kbps; 9600/ 7200/4800 bps, 450/300 bps back channel ITU-T V.42 bis Data compression, 1200 bps and higher...

  • Page 128: Additional Specifications

    Additional Specifications This feature Supports Serial port DB-25 Serial interfaces EIA RS-232 Supported serial port rates 230400, 115200, 57600, 38400, 19200, 9600, 4800, 2400, 1200, and 300 bps Adaptive Speed Leveling (ASL) 21600, 19200, 16800, 14400, 12000, 9600, 7200, and 4800 bps ISDN physical interface RJ45 jack Communications channel...

  • Page 129: Ringer Equivalence

    This feature Supports Certification FCC Part 68 and Part 15, Class B Domestic; IC (Canada) CS-03, UL listed Ringer Equivalence Ringer Equivalence Number: 3 Ringer equivalence is defined as the maximum sum of the REN values for all the analog devices that are attached to the I-modem. Because a typical telephone has a REN value of 0.6, the I-modem can support up to five phones connected through the Analog Device port over short loops.

  • Page 130: The Eia-232 Interface

    The EIA-232 Interface The I-modem’s serial port is factory set to signal according to the EIA-232 standard: Figure B.1 Signals at your Courier's Serial Port. Courier I-modem Getting Started Guide...

  • Page 131: Wiring A Db-25 To Db-9 Cable

    Wiring a DB-25 to DB-9 Cable DB-9 connectors for PCs should be wired at the computer end of the cable as shown below. Figure B.2 Wiring a DB-25 Cable Minimum Requirements Some computer/terminal equipment supports only a few of your I- modem’s EIA-232 signals.

  • Page 132: For Macintosh Computers

    For Macintosh Computers If you’re connecting your I-modem to a Macintosh computer, we strongly recommend that you purchase a hardware handshaking cable to get the most reliable performance. Figure B.3 Macintosh Computer Cable Pinout Mac Pin Description Mode Modem Pin m Pin Description Output Handshake...

  • Page 133: Serial Ports (Macintosh Modem

    Serial Ports (Macintosh modem) These are the signals generated or accepted by your I-modem’s serial port: Figure B.4 Pinouts for your Courier's Serial Port Technical Information...
  • Page 134 B-10 Courier I-modem Getting Started Guide...

  • Page 135: Appendix C The Serial Port

    Appendix C The Serial Port Serial Port POWER DATA PHONE O N / O F F I/ O Figure C-1. Location of the Serial Port. Choosing a Serial Cable Obtain a serial cable. Use the chart below to determine what type of cable to purchase: If you have a serial connector You need to purchase this type...

  • Page 136: Macintosh

    serial port operate faster, you may need to install a high-speed serial card designed for the Macintosh, such as a NuBus card. Notes for Mainframe Users If you plan to connect your Courier I-modem to a mainframe computer or use your Courier to dial in to a mainframe computer, refer to Synchronous Applications in your Courier I-modem Command Reference manual.

  • Page 137: Appendix D Warranty

    Appendix D Warranty U.S. Robotics Access Corp. Limited Warranty Terms of the Limited Warranty Your U.S. Robotics product is covered by a Limited Warranty. U.S. Robotics warrants that the product that you have purchased from U.S. Robotics or from a U.S. Robotics authorized reseller is free from defects in materials or workmanship during the Limited Warranty period, identified in the chart below, which is effective on the date of purchase.
  • Page 138 The chart below identifies the terms of the factory repair/replacement warranty, as well as software/firmware updates and telephone support services included with the U.S. Robotics Limited Warranty. Free Telephone Free Software/ Hardware Support Support Firmware Updates LANLinker For 90 days, For 90 days, effective 1 year Product Family...

  • Page 139: What Is Not Covered By The Limited Warranty

    What Is NOT Covered By the Limited Warranty Items not covered by the Limited Warranty include, but are not limited to, the following: Product installation support A product purchased from anyone other than U.S. Robotics or a U.S. Robotics authorized reseller Routine cleaning, or normal cosmetic and mechanical wear A product that is modified, tampered with, misused or subjected to abnormal working conditions, including, but not limited to, lightning and...

  • Page 140: How To Access Your Warranty Services

    Jurisdiction Laws This Limited Warranty gives you specific legal rights. You may have others, which vary from jurisdiction to jurisdiction. Some jurisdictions do not allow limitations on duration of an implied warranty, or the exclusion or limitation of incidental or consequential damages, so the above exclusion or limitation may not apply to you.
  • Page 141 General Information Serial number and part number (both are contained within the barcode affixed to the unit) Product model name and number Detailed, specific questions Product-Specific Information Applicable error messages Add-on boards or hardware Third-party hardware or software Operating system type and revision level Telephone Support Options Customers who require telephone support beyond 90 days from the purchase date will be referred to a U.S.
  • Page 142 North America 1-800-231-8770 (toll free) Monday - Friday 7. a.m. - 8 p.m. Central Standard Time Europe, Middle East, Africa 353-1-205-7700 Monday - Friday 9 a.m. - 7 p.m Central European Time All Other Locations 1-847-797-6600 Monday - Friday 7 a.m. - 8 p.m. Central Standard Time Shipping Checklist - Did You Include: Your Name...

  • Page 143: Notices

    Shipping Address North America and Locations Outside of Europe, Middle East, Africa U.S. Robotics ATTN: SRO Receiving 1800 W. Central Rd. Mt. Prospect, IL 60056-2293 Europe, Middle East, Africa U.S. Robotics Services, Ltd. ATTN: RMA Department 5 Richview Office Park Clonskeagh, Dublin 14 SRO#Ireland Hardware Support Options...

  • Page 144: Ic (Industry Canada

    encouraged to 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.

  • Page 145: Ul Listed Accessory

    UL Listed Accessory Your internal Courier modem is a UL listed accessory. It must be used with a UL listed computer. Warranty...
  • Page 146 D-10 Courier I-modem Getting Started Guide...
  • Page 147 Appendix E Index & &F0, 4-7 Basic Rate Interface, 2-2 &N, 14-1, 14-4 Bellcore capability packages, 3-2 &U, 14-1, 14-5 Bellcore SR-NWT 1953, 7-6 BRI, 2-2 BRI-line signals, 2-4 bus configuration, 6-6 56 kbps, 1-5 cable DB-25 to DB-9, B-7 AA LED blinking, 13-1 hardware handshaking, B-8 AA LED off, 13-1...
  • Page 148 Connections CD-ROM, 1-1, 4-2, 5-1, 8-2, 10-3 contacting U.S. Robotics, 1-1 fax, 1-5 contents of package, 4-2, 5-1 protocols, B-3 Control Panel, 8-4, 8-5, 8-7 fax-on-demand service, 1-1 controlling link speeds, 14-4 FCC notice, D-7 controlling x2, 14-3 flash memory, 1-2 CSU/DSU, 12-2 flow control, B-7 Custom, AT&T 5ESS, 6-8...
  • Page 149 pinouts for serial port, B-9, C-2 Plug and Play, 1-2, 4-3, 8-1, 12-4 point-to-point bus configuration, 6-9, 7-8 JACK, external modem, 5-4 Point-to-Point Protocol (PPP), 9-1 jumper settings, default, 12-6 possible connect speeds, 14-5 power consumption, B-5 PPP dialer, 9-1 PPP/MP-PPP spoofing, 2-7 LEDs, 5-2, 7-7 printer port, 5-3, 5-4...
  • Page 150 SYN LED blinking, 13-2 SYN LED off, 13-2 SYN LED on, 13-2 V. protocols, B-1 V.110 rate adaptation, 2-7, 6-4 V.120 rate adaptation, 2-7, 6-4 V.34, B-2 V.42bis compression, 1-5 TCP/IP, 8-4, 8-5, 8-7, 8-10, 8-11, 8-12 V.Everything, defined, 1-5 Technical Support, 1-1 verifying operation, 4-11 Viewing LEDs, 13-1...
  • Page 151 Index...

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