Document Outline

• V.90 56K Internal Modem User’s Guide
• Contents
• Introduction
• Chapter 1: Setup
  • Hardware Setup
  • Function check
• Chapter 2: Using the Internal Modem
  • Connection procedures
    • Analog or digital?
    • Connecting the internal modem
    • Disconnecting the internal modem
  • Basic operation
    • Connecting to a telephone line
    • Direct access line
    • Extension line
    • Receiving a call
    • Terminating a call
    • Setting the data flow control
    • Facsimiles
• Chapter 3: AT Commands
  • AT command formats
    • +++ Escape sequence
    • A/ Repeat last command
    • A Answer command
    • Bn Communication standard setting
    • Dn Dial
    • En Echo command
    • Hn Hook control
    • In Request ID information
    • Ln Monitor speaker volume
    • Mn Monitor speaker mode
    • Nn Modulation handshake
    • On Return online to data mode
    • P Select pulse dialing
    • Qn Result code control
    • T Select tone dialing
    • Vn DCE response format
    • Wn Result Code Option
    • Xn Result code selection, call progress monitoring
    • Extended result codes
    • Dial tone detect
    • Busy tone detect
    • Zn Recall stored profile
    • &Cn Data Carrier Detect (DCD) control
    • &Dn Data Terminal Ready (DTR) control
    • &F Load factory settings
    • &Gn V.22bis guard tone control
    • &Kn Local flow control selection
    • &Pn Select Pulse Dial Make/Break Ratio
    • &Tn Self-test commands
    • &V View active configuration and stored profile
    • &W Store current configuration
    • &Zn=x Store telephone number
    • \Nn Error control mode selection
    • Qn Local flow control selection
    • \Vn Protocol result code
    • %Cn Data compression control
    • -V.90=<n>
    • +MS Command
    • +MS= <carrier>, <automode>, <0>, <max_rate>, <0>, <max_rx_rate>
    • +MS?
    • +MS=?
• Chapter 4: S-Registers
  • S-Register values
    • S0 Auto answer ring number
    • S1 Ring counter
    • S2 AT escape character (user-defined)
    • S3 Command line termination character (user-defined)
    • S4 Response formatting character (user-defined)
    • S5 Command line editing character (user defined)
    • S6 Wait before dialing
    • S7 Connection completion time-out
    • S8 Comma pause time
    • S10 Automatic disconnect delay
    • S11 DTMF dialing speed
    • S12 Escape guard time
    • S37 Dial line rate
    • S38 K56flex Dial line rate
    • S38 56K Downstream Rate
  • AT command set result codes
• Chapter 5: MNP and V.42
  • Error-correction overview
    • MNP error correction
    • V.42 error correction
  • Operation modes
    • Normal mode
    • Reliable mode
    • Commands (\Nn )
  • Flow control
    • Serial port flow control
    • XON/XOFF flow control (software)
    • CTS/RTS two-way flow control (hardware)
    • Commands (\Qn, &Kn)
    • Modem port flow control
  • Data compression
    • Commands (%Cn)
• Chapter 6: Test Function
  • Test description
  • Testing procedure
• Appendix A: Specifications
  • Network control unit (NCU)
  • Communication specifications
• Appendix B: Communication Conditions
  • Communication parameters
  • Telephone line types
  • Dial modes
• Glossary
• Index