1input-lk201(7)                        GGI                       input-lk201(7)
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NAME

6       input-lk201 : LK201/LK401 keyboard input
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SYNOPSIS

9       input-lk201: [<file>]
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DESCRIPTION

13       The  lk201  and  lk401  devices are keyboards made by Digital Equipment
14       Corporation for some of there older micro computer systems  and  termi‐
15       nals.
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17       They  connect  via  a 4 pin RJ connector, which carries 11.8V (+/- 6%),
18       GND, and two bidirectional async RS423 (RS232 Compatible) serial lines,
19       which are Receive and Transmit.  The pins are as follows (looking on to
20       the male (lk201 side) connector):
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22        -------------------
23       | "    "    "    "  |
24       | L    V    G    D  |
25       | K    +    N    E  |
26       | ->        D    C  |
27       | D             ->  |
28       | E              L  |
29       | C              K  |
30        --               --
31          |             |
32           --         --
33             |       |
34              -------
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OPTIONS

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

45       GII_LK201_OPTIONS
46              File name of serial port.
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FEATURES

50       ·   Generates evKey* events.
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KNOWN BUGS

53       ·   key repeat messages are not sent, which can annoy users who want to
54           use the cursor keys.
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56       ·   Handle setting of keyclick and bell, which can also annoy users.
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58libgii-1.0.x                      2003-08-11                    input-lk201(7)