VT420 Models and Features 3
• LK401 keyboard that includes
— Right and left
Alt Function
keys
— Right
Compose Character
key
— Lock and Hold LEDs
Table 1–1 VT420 Model Differences
Features NA WW PC
FCC Class B compliance No Yes Yes
AC power cord:
Attached Yes No No
Detachable with country-specific plug No Yes Yes
Power supply ac input and line frequency:
120 V at 60 Hz only Yes No No
100 V to 240 V (autoselect) at 50 Hz or 60 Hz No Yes Yes
One 25-pin, RS-232 connector for the primary host, with
modem control
No Yes Yes
Screen rotation capability No Yes Yes
National replacement character sets No Yes Yes
Two
Group Shift
keys on the German LK401 keyboard to
replace the
Compose Character
keys
No Yes Yes
PC TERM mode No No Yes
PC character sets No No Yes
PC keyboard with 101 or 102 keys (LK443/LK444) No No Yes
Short ANSI (UNIX style) keyboard with 74 keys (LK421) No No Yes
Support for XPC communications protocol
No No Yes
Driver support for the terminal in appropriate operating
systems
No No Yes
Refers to the remapping of XON and XOFF points in PC TERM mode. After remapping,
XON is 65
16
and XOFF is 67
16
.
NA = North American model with VT mode.
WW = worldwide model with VT mode.
PC = worldwide model with VT mode and PC TERM mode.