Name

input-lk201 — LK201/LK401 keyboard input

Synopsis

input-lk201 : [file]

Description

The lk201 and lk401 devices are keyboards made by Digital Equipment Corporation for some of there older micro computer systems and terminals.

They connect via a 4 pin RJ connector, which carries 11.8V (+/- 6%), GND, and two bidirectional async RS423 (RS232 Compatible) serial lines, which are Receive and Transmit. The pins are as follows (looking on to the male (lk201 side) connector):


     -------------------
    | "    "    "    "  |
    | L    V    G    D  |
    | K    +    N    E  |
    | ->        D    C  |
    | D             ->  |
    | E              L  |
    | C              K  |
     --               --
       |             |
        --         --
          |       |
           -------
    

Options

file

Specifies the serial port device to use (e.g. /dev/ttyS1). If this argument is not specified as part of the input's arguments, then the device named in the environment variable GII_LK201_OPTIONS is used.

Environment variables

GII_LK201_OPTIONS

File name of serial port.

Features

Generates evKey* events.