ZXnet

Digital VT220

The VT220 temrinal was produced from 1983 to 1987 by Digital Equipment Corporation. It improvied on the VT100 series with a new keyboard (the LK201), much smaller packaging and a much faster CPU. It was available with CRTs that used white, green or amber phosphors.

This one lived at GNS Science in Lower Hutt until the 20th of December 2008. It has a little bit of screen burn but it isnt obvious while running. It has an amber CRT.

Rear Connectors and switches

1. Power Switch
2. Voltage Select Switch
3. Fuse Holder
4. Power Input Connector
5. CompositeVideo Output (BNC)
6. Communications port ("EIA Host Port Connector")
7. RS422 Port ("20mA Host Port Connector")
8. Printer Port (serial)
9. Keyboard Port

See this image (from the installation guide) for the ports labeled on the image.

Images

Images of the terminal are available here.

Documentation

• EK-VT220-IN-001 VT220 Installation Guide (manx)
• EK-VT220-PS-001 VT220 Pocket Service Guide (manx)
• EK-VT220-PS-003 VT220 Pocket Service Guide (manx)
• EK-VT220-RM-001 VT220 Programmer Reference Manual (manx)
• EK-VT220-RM-002 VT220 Programmer Reference Manual (manx)
• EK-VT220-TM-001 VT220 Technical Manual (manx)
• MP-01732-01 Rev. B VT220 Terminal Assembly Field Maintenance Print Set (manx)

Links to manx pages are provided where available