PS/2

The industrial PC has two PS/2 interfaces (X103, X104). The upper interface (X104) allows the connection of a PS/2 mouse, the lower interface (X103) allows the connection of a PS/2 keyboard. The connection is made via standard MiniDIN connectors.

PS/2 1:
PS/2 mouse and keyboard
PS/2 interface mouse pin assignment

Pin

Name

Description

B1

MDAT

Mouse Data

B2

N/C

Reserved

B3

GND

Ground

B4

(S)VCC

5 V supply voltage

B5

MCLK

Mouse Clock

B6

N/C

Reserved

PS/2 interface keyboard pin assignment

Pin

Name

Description

A1

KDAT

Keyboard data

A2

MDAT

Mouse Data

A3

GND

Ground

A4

(S)VCC

5 V supply voltage

A5

KCLK

Keyboard Clock

A6

MCLK

Mouse Clock