3 keyboard / mouse connector(ms_kb1,2) – Acrosser AR-B1841 User Manual

Page 16

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AR-B1841 User’s Guide

AR-B1841

16

COM4 : RS-232 with RS-422/485 Serial port(Pin Header)






3.3 Keyboard / Mouse Connector(MS_KB1,2)

A PS/2 type connector(MS_KB1)is for easy connection to a keyboard
and PS/2 mouse. The board comes with a Y split PS/2 cable for
keyboard and mouse connection.

MS_KB2 : 6-pin Mini-DIN Keyboard/Mouse Connector

MS_KB1 : Keyboard Mouse PS2 Port









PIN DESCRIPTION PIN DESCRIPTION

1

NDCD

2

NDSR

3 NSIN 4 NRTS
5

NRIB

6

NCTS

7 NSOUT 8 NRI
9 GND 10

GND

11 TX+ 12

TX-

13 RX+ 14

RX-

PIN NO.

DESCRIPTION

1 MOUSE

DATA

2 KEYBOARD

DATA

3 GROUND
4 +5V
5 MOUSE

CLOCK

6 KEYBOARD

CLOCK

PIN

DESCRIPTION PIN

DESCRIPTION

1

KB_DAT

2

MS_DAT

3 GND 4 +5V
5

KB_CLK

6

MS_CLK

7 GND 8 GND

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