Contents

Introduction

Chapter 1 - Communication

• General
• Serial Character Format
• Break Signal
• EIA Interface Information
• EIA Circuit Jumpers
• Connecting to the Computer
• Modem Control
• Full-Duplex Disconnect
• Input Buffer Overflow Prevention
  • XON/XOFF and Restraint
  • Fill Time Formulas
  • Determining Fill Time Required
  • Character Execution Time
  • Fill Time Formula Examples

Chapter 2 - Character Processing

• General
• Printable Characters
• Control Characters
• Escape and Control Characters
  • Detailed Sequence Definitions
• ANSI Control Strings
• Graphics Mode
• Graphics String Format
• DCS Introducer
• Protocol Selector
• Data
  • Control Characters
  • Printable Data
  • Repeat Sequence
  • DCS Terminator
• Graphics Mode Pitch
• Graphics Mode Margins
• Answerback Message Entry
  • Answerback Message Format
  • DCS Introducer
  • Protocol Selector
  • Data
  • Error Processing

Figures

• 1-1 Serial Character Format
• 1-2 EIA Connector
• 1-3 Connecting to the Computer
• 2-1 ASCII Chart
• 2-2 Character Density Examples
• 2-3 Horizontal Pitch Examples
• 2-4 Horizontal Margins and Tabs
• 2-5 Vertical Pitch Examples
• 2-6 Form/No Form Mode
• 2-7 Vertical Features
• 2-8 Graphics Capabilities
• 2-9 Graphics Printhead Use

Tables

• 1-1 EIA Interface Signals
• 1-2 Modem Control Effect on EIA Signals
• 1-3 Character Execution Times
• 2-1 ANSI Control Characters
• 2-2 Character Set Final Characters
• 2-3 Maximum Right Margins
• 2-4 Graphics ANSI Control Characters
• 2-5 Graphics Private Control Characters
• 2-6 Printable Character Examples