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1 connector pin assignments, Com1 pin definition – Lanner LEC-2050 User Manual

Page 15

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LEC-2050 Fanless Embedded System User’s Manual

15

2.2.1 Connector Pin Assignments

J14:2X4-Pin PS/2 Keyboard&Mouse Header(2.54mm)


PIN DESCRIPTION

PIN DESCRIPTION

1

5V

2

MSCLK

3

MSDATA

4

-

5

KBDATA

6

-

7

Ground

8

KBCLK


COM1 Pin Definition:

Serial Port Type

PIN NO.

RS-232 RS-485 RS-422

1

Data Carrier

Detect (DCDA #)

TXRX- TX-

2

Receive Data

(RXDA)

TXRX+ TX+

3

Transmit Data

(TXDA)

RX-

4

Data Terminal

Ready (DTRA #)

RX+

5 Ground

(GND)

6

Data Set Ready

(DSRA #)

7

Request To Send

(RTSA #)

8

Clear To Send

(CTSA #)

9

Ring

Indicator(RIA#)

10 KEY



1

5

9

6

COM1