
It is compatible with a range of VAX processor based DEC workstations such as the VAXstation 4000/90 it's plugged into at the moment, and some of the earlier DEC Alpha based workstations/servers such as the DEC 3000/600 - 3000/900 series. It also works with VT300 series terminals and VT400 series. Eventually it was replaced by the LK461 and compatible keyboards that use a PS/2 mode 3 protocol, introduced around the 2nd generation Alpha workstations and the VT500 series of terminals.
'I don't know', 'I do know'

VMS Specific Editing Cluster

Compose key for creating characters not on the keyboard. For example the key sequence Compose L - produces the sterling character £

Keyboard and Mouse Breakout box. This cable has a DB15 connector which plugs in at the back of the box and provides a socket for both keyboard and mouse at the front of the VAX.

Hooked up to a VAXstation 4000/90
