Chapter 2

Introduction: Video Terminals

Introduction

Digital offers a variety of quality video terminals. This chapter outlines the information contained in the video terminal chapters. Specific video terminal information can be found in the following chapters and appendices.

Chapters

Chapters 3 through 8 describe Digital's VT200, VT100, and RT100 families of video terminals.

Chapter 3, VT200 Family Introduction: This chapter discusses the common features shared by all members of the VT200 family of video terminals.
Chapter 4, VT200 Family User Introduction: This chapter provides information on using a VT220, VT240, or VT241 video terminal.
Chapter 5, VT100 Family: This chapter discusses the common features shared by all members of the VT100 family of video terminals.
Chapter 6, VT101, VT102, and VT131 Video Terminals: This chapter discusses the differences among the VT101, VT102, and VT131 video terminals, and focuses on the unique features of each.
Chapter 7, VT125 Graphics Terminal: This chapter discusses the unique features of the VT125 Graphics Terminal.
Chapter 8, Ruggedized Terminals: This chapter describes the environments where ruggedized terminals are most effective and describes each member of the ruggedized terminal family – The RT100, RT102, and RT137, as well as the new Membrane Keyboard.

Table 2-1 Video Terminal Selection Chart

Feature	VT100	VT101	VT102	VT125	VT131	VT220	VT240	VT241
Advanced Video Features 132 char/line-by-24 lines blink, bold characters	VT1XX-AB		Std	VT1XX-AB	Std	Std	Std	Std
Printer Port			Std	Std	Std	Std	Std	Std
Half-duplex Communications			Std		Std
Local Echo		Std	Std		Std	Std	Std	Std
Selective Erase					Std	Std	Std	Std
Word Processing Keyboard	VT100-W		VT102-W	VT125-W		Std	Std	Std
Number of Programmable Function Keys						15	15	15
Bit-mapped Graphics	VT1XX-CB			240 × 768 resolution			240 × 800 resolution	240 × 800 resolution
20 mA	VT1XX-AA	VT1XX-CA	VT1XX-CA	VT1XX-CA	VT1XX-CA	Std	Std	Std
Plain Language Set-Up						Std	Std	Std
Downline Loadable Character Sets						Std	Std	Std
Multinational Character Set						Std	Std	Std
National Replacement Character Set Support	Opt		Opt	Opt	Opt
ReGIS Protocol Support	VT1XX-CB			Std
Tektronix 4010/4014 Support							Std	Std
Integral Modem							VT24X-AA	VT24X-AA
Block Transmission					Std
Local Editing					Std
Nonglare Screen	VT1XX-F	VT1XX-F	VT1XX-F	VT1XX-F	VT1XX-F	Std	Std	Std

Legend:

Std

Standard Equipment

Opt

Options

Not Available

Appendices

Appendices A through E contain supplemental information for Digital's video terminals.

Appendix A: ASCII codes.
Appendix B: Programming information for the VT100 family.
Appendix C: Programming information for the VT101, VT102, and VT131 terminals.
Appendix D: Programming information for the VT125.
Appendix E: Brief description of Digital's traditional video terminal products, the VT52 and the VT55.
Appendix F: Video Terminal Operation Tips.