DEC VT420 User Manual

B
VT420 Recommended Spares
B
This appendix has two sections.
• Section B.1 lists the available models of the VT420 video terminal.
• Section B.2 lists the spare components that a Digital service
representative should have when servicing a VT420 video terminal.
• Section B.3 lists the keyboard model numbers.
B.1 VT420 Models
The VT420 comes in the following basic models and versions:
Location
Model
Number
Screen
Color
Power
Requirement
North American Terminals (Standard Version)
North America VT420-A2 White 120 V
VT420-B2 Green 120 V
VT420-C2 Amber 120 V
Worldwide Terminals (Standard Version)
Northern Hemisphere VT420-A4 White 100 V to 240 V
VT420-B4 Green 100 V to 240 V
VT420-C4 Amber 100 V to 240 V
58

DEC VT420 Specifications

General

Model	VT420
Release Year	1990
Display Type	Monochrome CRT
Category	Terminal
Manufacturer	DEC (Digital Equipment Corporation)
Character Set	ASCII
Communication Interface	RS-232
Connectivity	Serial
Baud Rate	Up to 38, 400 bps
Protocols	VT100
Emulation Modes	VT100, VT52
Power Supply	120/240 VAC, 50/60 Hz