Document Outline

• Table of Contents
• Preface
  • Objectives and Reader Assumptions
  • How to Use this Manual
  • Related Documents
• Introduction
  • Overview
  • Features
  • Multipoint Applications
  • Leased Backup Applications
  • COMSPHERE 391x Series Models
    • Standalone Model 3910 4-Wire/2-Wire Modem
    • Carrier-Mounted Model 3911 4-Wire/2-Wire Modem
  • Government Requirements and Equipment Return
    • United States
    • Canada
  • Technical Specifications
• Modem Installation
  • Overview
  • 391x Series Modem Package
    • Customer-Supplied Equipment
  • Model 3910 Modem Installation
    • Connecting Cables to the Model 3910 Modems
  • DTE Connection
  • Model 3910 4-Wire/2-Wire Leased-Line Connection
  • Dial Network Connection
  • Model 3910 Dial Backup Connection
  • Model 3910 Leased Backup Connection
  • Network Management System Connection
  • Power Supply Connection
  • Modem Power-Up
  • Selecting Factory Configuration Options
    • Using the Diagnostic Control Panel (DCP)
    • Using AT Commands
  • Removing and Replacing Model 3910 Modems
  • Model 3911 Modem Installation
  • Removing and Replacing Model 3911 Modems
• DCP Operation
  • Overview
  • Diagnostic Control Panels
    • Model 3910 Diagnostic Control Panel
    • Model 3911 Faceplate and Shared Diagnostic Control Panel (SDCP)
  • Status Indicators
  • Diagnostic Control Panel Operation
    • LCD Display
    • Keypad
  • Menu Structure
    • Top-Level Menu Status and Operational Messages
    • Quick Configuration Display
• Status Branch
  • Overview
    • Device Health and Status (DeviceHS)
    • VF
    • Identity
    • DTE
    • Backup
    • Options
    • Record
• DCP Configuration
  • Overview
  • Configure Branch
    • Editing and Saving a Configuration Option
    • Summary
  • Configuration Tables
    • DTE Interface
    • DTE Dialer
    • Line Dialer
    • Dial Line
    • Leased Line
    • V.42/MNP/Buffer
    • Test
    • Misc
    • Security
• Poll List Branch
  • Overview
    • Display
    • Clear
    • Change
    • Add
    • Acquire
• Control Branch
  • Overview
  • Speaker
  • Reset
  • Data Stream
  • EIA LEDs
  • Make Busy/Remove Make Busy
  • Service Line/Disconnect Service Line
  • Download Software
    • Selecting Clone Remote
    • Clone Remote in Point-to-Point Configurations
    • Clone Remote in Broadcast Configurations
    • Cloning DC Broadcast Remote
    • Viewing DC Broadcast Clone Results
    • Clone Remote in Multipoint Configurations
    • Cloning a Single TMp Remote
    • Cloning a Multiple TMp Remote
    • Viewing Multiple TMp Clone Results
    • Implementing a Clone Remote Operation
  • VF Thresholds Update
• Test Branch
  • Overview
  • Abort
  • Self
  • Loc Analog Loop
  • Rem Digital Loop
  • Loc Digital Loop
  • Pattern
• Sub-Network Health and Status Branch
  • Overview
• Call Setup Branch
  • Overview
  • Dial
  • Disconnect
  • Answer
  • Dial Standby/Return to Dial
  • Change Directory
    • Entering Telephone Numbers and Dial Command Modifiers into Directory Locations
  • Directory Status (Does Not Appear in North America)
• Talk/Data Branch
  • Overview
  • Manual Dialing When the Remote Modem is Configured for Auto- Answer
  • Manual Dialing When the Remote Modem is Configured for Manual Answer
• Dial Access Security
  • Overview
    • Originate Access Security
    • Answer Access Security
  • Security Branch
    • Set Access Ctrl
    • Reset Security
  • Security Configuration Options
  • Security Password Entry Techniques
    • Answer Access Password (VF-Side and DTE-Side Entry Techniques)
    • Originate Access Password
  • Database Table Examples
  • Dial Access Security
• Remote Branch
  • Overview
    • Diagnostic Control Panel Access
• AT Command Set and S-Registers
  • Overview
  • Operating Modes
    • Switching Between Data Mode and Online Command Mode
  • Command Guidelines
    • Result Codes
  • AT Command List
    • AT Command Format
  • S-Register List
    • S-Register Format
• Menu Tree
  • Overview
• Troubleshooting
  • Overview
• Pin Assignments
  • Overview
  • EIA-232-D Pin Assignments
  • VF Connector Pin Assignments
  • Auxiliary Cables Not Supplied
• ITU-T V.25bis Dialing Commands and Responses
  • Overview
  • Call Request Commands
    • Call Request with Number Provided (CRN)
    • Call Request with Stored Memory Address Provided (CRS)
  • Call Response
    • Call Failure Indication (CFI)
    • Call Connecting (CNX)
    • Delayed Call Indicator
  • Call Answer Commands
    • Incoming Call (INC)
    • Disregard Incoming Call (DIC)
    • Connect Incoming Call (CIC)
  • Program Normal (PRN)
  • Request List of Delayed Numbers (RLD)
  • Request List of Forbidden Numbers (RLF)
  • Request List of Stored Numbers (RLN)
  • List Delayed Numbers Response (LSD)
  • List Forbidden Numbers Response (LSF)
  • List Stored Numbers Response (LSN)
  • Command Response
    • Valid (VAL)
    • Invalid (INV)
• ASCII Character Table
  • Overview
• Default Configuration Options
  • Overview
• Sample Configurations
  • Overview
  • Point-to-Point
    • Configuration Options
    • Cables
  • Multipoint
    • Configuration Options
    • Cables
  • Point-to-Point with Automatic Dial Backup
    • Configuration Options
    • Cables
  • Point-to-Point with Network Management
    • Configuration Options
    • Cables
  • Carrier with Network Management
    • Configuration Options
    • Cables
  • Extended Multipoint
    • Configuration Options
    • Cables
  • Extended Diagnostics
    • Configuration Options
    • Cables
    • Adapter
• Equipment List
• Glossary
• Index