Document Outline

• Reference Guide for the Model XM128 ISDN Digital Modem
• Contents
• Figures
• Tables
• Trademarks
• Statement of Conditions
• Federal Communications Commission (FCC) Compliance Notice: Radio Frequency Notice
• EN 55 022 Declaration of Conformance
• Bestätigung des Herstellers/Importeurs
• Certificate of the Manufacturer/Importer
• VCCI-2 Statement
• Customer Support
• World Wide Web
• Bulletin Board Service
• Preface
  • Purpose
  • Conventions
    • Special Message Formats
    • Use of Enter, Type, and Press
    • Other Conventions
  • Related Publication
    • Table1. Manual contents (continued)
    • Table2. Manuals
• Chapter1 Introduction
  • Features
    • Interface Options
      • Table11. Interface options
  • Front Panel
    • Table12. LED descriptions (continued)
  • Rear Panel
    • Table13. Rear panel components
• Chapter2 Installation
  • Package Contents
  • Installing the Modem
  • Verifying Hardware Installation
• Chapter3 Setup for Windows 95 and Windows NT 4.0
  • Selecting the Appropriate Windows 95 Driver (INF file)
• Chapter4 Configuration
  • Configuring Your ISDN Line and Network
  • Configuring Your Modem Using a Terminal Program
    • Table41. Terminal programs
    • Understanding AT Commands
      • Table42. Supported AT command types
      • Quick Tips for Issuing AT Commands
        • Table43. Result codes commands
      • Using AT Commands to Verify Modem Response
    • Communication Speed Setup
      • Switch Type Setup for North America
        • Table44. Switches supported by the Model XM128 modem
          • 1. Type ATP0 and press [Enter].
          • 2. Type AT&WZ and [Enter] to save the settings.
      • SPID Setup for North America
    • Entering DNs
      • Setup for Europe and the United Kingdom
        • Table45. AT commands for setting protocols
          • 6. Assign the appropriate MSN telephone numbers, using the AT commands in Table46.
        • Table46. AT commands for setting MSN
          • 7. Type the AT command AT&W0Z0 to store the information into NVRAM.
• Chapter5 Async to Sync PPP
  • Internet and Remote Access PPP and SLIP
    • Making Async to Sync PPP and SLIP calls
      • Keeping a Line Connection During Idle Time
  • Answering Async to Sync PPP calls
    • Multilink PPP
      • Making a call using Multilink PPP
    • Dialing Pre-stored Phone Numbers
      • Endpoint Discriminator
        • Table51. S85 register values
    • Call Bumping Dynamic Channel Allocation
• Chapter6 ISDN Overview
  • Commands for Outgoing Calls
    • Dialing Out Using ISDN Mode
    • Dialing Out Using ISDN Mode Optional Speech Bearer Service
    • Dialing Out for Analog Adapter Port 1
    • Dialing Out for Analog Adapter Port 2
    • Manually Switching Communication Modes
      • Table61. Dialing commands
    • Placing the Call
      • Table62. Call placing commands
  • Commands for Incoming Calls
    • Digital Data
    • Determining the Packet Length
    • Answering a Call Using MSN
      • Table63. Commands for assigning ISDN numbers
      • Data over Speech Channel
      • Best-effort Call Answering
        • Table64. Best-effort call answering bit commands
      • Ambiguity Resolution Switch for Voice Calls
      • Multi Auto-Answering of Data Calls
  • Understanding ISDN Communication Protocols
    • Table65. ISDN protocol specifications
    • V.110 ISDN Communications
      • Answering a V.110 Call
      • Making a V.110 Call
        • Table66. V.110 configuration commands
    • V.120 ISDN Communications
      • Selecting V.120 for European ISDN (DSS1) Switch
      • Selecting V.120 for German National ISDN (1TR6)
      • Answering a V.120 Call
      • Making a V.120 Call
        • Configuring the V.120 Mode
          • 1. Enter ATB20 (Select V.120 for communication).
          • 2. Enter AT&E1 (Select 56K data mode).
          • 1. Enter AT&W0 (save the settings to profile 0) [Profiles available: 0-3].
          • 2. Enter ATZ0 (save stored settings as the power on settings to profile 0) [Profilesavailable:0...
        • Dialing in V.120 Mode
        • Making a Bundled Call with V.120
        • Identifying Your Line Provisioning
        • 128 Kbps Speeds
        • Error Correction and Data Compression with V.120
    • X.75 ISDN Communications (Europe)
      • Answering an X.75 Call
      • Making an X.75 Call
        • Making a Bundled Call with X.75
        • Dialing Prestored Phone Numbers
        • Invoking V.42bis Data Compression
        • Bundle Connection with V.42bis Data Compression
• Chapter7 Advanced ISDN
  • Call Control for DSS1
    • Control of Outgoing Service Indicator
      • Table71. S-register values and functions
      • Table72. Outgoing low-layer compatibility commands
    • Control of ISDN Phone Numbers and Subaddresses
  • Call Control for 1TR6 (Old German ISDN)
    • Control of Outgoing Service Indicator
    • Control of EAZ (ENDGERÄTEAUSWAHLZIFFER)
      • Command Function
  • Answering a Call
    • Answering a Call for DSS1
    • Answering a Call for 1TR6
    • Best-effort Call Answering
    • Ambiguity Resolution Switch for Voice Calls
    • Multi-Auto-Answering of Data Calls
      • Data Call Indication
      • Disable Inbound Call Connection
      • Point-to-Point Configuration
  • Placing a Call
    • Placing a Call for DSS1
    • Placing a Call for 1TR6
    • User-To-User Information
• Chapter8 Analog Call Handling
  • AT Commands for Analog Calls
    • Table81. Frequently used AT commands
    • Table82. Frequently used AT commands (European switches)
  • Making and Receiving Analog Calls
    • Placing a Call from the Analog Adapter
      • 1. Type ATDB714-693-0808 (dial the number).
      • 2. Pick up the phone handset and wait for the remote device to answer.
      • 3. Use ATDAs (ATDBs) to place a call for the analog adapter 1 (analog adapter 2).
    • Accepting an Incoming Call
• Chapter9 Modem Upgrade
  • Upgrading with Flash EPROM
    • Table91. Definitions for the d modifier
    • Upgrade Instructions
      • 1. Start any communications program that supports the X-modem Protocol.
      • 2. Enter the command ATUPX.
      • 3. Press Y.
      • 4. Use the X-modem Protocol to upload the file ONETd.vvv to your Model XM128 modem. This step upd...
    • Kernel Mode
• Chapter10 Troubleshooting
  • Power-on Self-test
    • Table101. Power-on self-test
  • Loopback Tests
    • ISDN Loopback test (AT&T9)
    • Loopback with Self-test (AT&T10)
    • B1/B2 Loopback with Self-test
  • The Diagnostic Command
    • Modem Reset
      • 1. Hold the DATA/VOICE button down while turning the unit on.
      • 2. Release the switch.
      • 3. Turn power to the modem off and then back on again.
    • Using The Embedded Protocol Analyzer
      • Setting up the Embedded EPA
      • Capturing the Protocol Data
        • Table102. EPA Commands
      • Analyzing the Captured Data
        • Table103. Commands for analyzing captured data
        • Table104. Control key functions
• Appendix A Technical Specifications
  • General Specifications
    • Network Protocols and Standards Compatibility
    • Security
    • Data Compression
    • Power Adapter
    • Physical Specifications
    • Environmental Specifications
    • Electromagnetic Emissions
• Appendix B Security Functions
  • Security Types and Levels
    • TableB-1. Types of security 
    • Level 1 Security
    • Level 2 Security
    • Level 3 Security
      • TableB-2. Levels of security
  • Setting and Modifying Passwords
  • Nonpassword Auto Callback Function
    • TableB-3. Auto callback commands
• Appendix C AT Command Set Reference
  • Operation Mode of the DTE Interface
    • Simplex Mode
  • AT Command Descriptions
    • TableC-1. Basic AT command set (continued)
    • Description of ATI3 Output
      • TableC-2. ATI3 command output
      • TableC-3. Extended AT& command set (continued)
      • TableC-4. Extended AT* command set
• Appendix D Status Registers and Result Codes
  • Viewing and Setting S-Registers
    • 1. Type the AT command ATSr? to display the values stored in S-registers.
    • 2. Type the &Vn command AT&Vn to view all of the S-register settings.
    • 3. Type the command ATSr.b? to display the value of bit b of S-register r.
    • Setting S-Registers
      • 1. Type the command ATSr=n (range 0-255) to change the value in S-register r to value n.
      • 2. Type the command ATSr.b=n (range 0-1) to change the value in a specific bit (b) of S-register r.
      • Examples for Setting S-Registers
        • 1. Read the value from S38 using the ATS38? command.
        • 2. Use TableD-1 to convert the decimal bit value to binary.
        • TableD-1. Binary conversion table
          • 3. Use TableD-2 to perform a logic OR operation with the value to set bit 3 to 1 (binary).
        • TableD-2. Setting bit 3
          • 4. Use TableD-2 to invert the value using a logic NOT operation and then perform a logic AND ope...
          • 5. Using the resulting decimal value, type the ATS38=n command to set the register.
    • S-Register Descriptions
      • TableD-3. Basic S-registers ATSn=x
      • TableD-4. Extended S-registers ATSn=x (continued)
    • ATXn Result Code Option Table
      • TableD-5. ATXn command setting options (continued)
    • Result Code Chart Symbol Reference
      • TableD-6. Result code chart
    • Result Code Field Descriptions
      • TableD-7. Result code field descriptions
    • Connect Strings for Error Corrected Connections
      • TableD-8. Connect strings
• Appendix E Connector Pin Assignments
  • RJ-45 Plug and Connector
    • TableE-1. RJ-45 plug and RJ-45 connector pin assignments for the S/T interface
    • TableE-2. RJ-45 plug and RJ-45 connector pin assignments for the U interface
  • RJ-11 Plug and Connector
    • TableE-3. RJ-11 connector pin assignments
• Appendix F Serial Port Interface
  • RS-232 Serial Interface
    • TableF-1. Serial port interface (continued)
  • Asynchronous Cable Connections
    • TableF-2. Asynchronous flow control cable connection
• Appendix G ISDN Reference
  • ISDN Overview
    • Basic Rate Interface
    • Out-of-Band Signaling
    • Terminal Adapter or Digital Modem
    • ISDN Basic Rate Interface Points
    • SPID Setup
  • Ordering ISDN Service
  • Order Form for AT&T 5ESS Switch (NI-1 ISDN)
    • TableG-1. ISDN line configuration
  • Order Form for DMS-100 Switch (NI-1 or Custom ISDN)
    • TableG-2. ISDN line configuration
  • Order Form for EWSD (NI-1 ISDN)
    • TableG-3. ISDN line configuration
• Index