Acrosser AR-B1841 - Manual (Page 16)

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