AAEON PCM-9452 User Manual

Page 32

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C o m p a c t B o a r d

P C M - 9 4 5 2

Chapter 2 Quick Installation Guide

2-19

9

RIA

10

N/C

2.34 COM Port 2 Connector (CN19)

COM2 RS-232 Mode

Pin Signal

Pin Signal

1

DCDB

2

RXB

3

TXB

4

DTRB

5

Ground

6

DSRB

7

RTSB

8

CTSB

9

RIB / +5 Volt. / +12 Volt.

10

N/C

COM2 RS-422 Mode

Pin Signal

Pin Signal

1

TXD-

2

RXD+

3

TXD+

4

RXD-

5

Ground

6

N/C

7

N/C

8

N/C

9

N/C / +5 Volt. / +12 Volt.

10

N/C

COM2 RS-485 Mode

Pin Signal

Pin Signal

1

TXD-

2

N/C

3

TXD+

4

N/C

5

Ground

6

N/C

7

N/C

8

N/C

9

N/C / +5 Volt. / +12 Volt.

10

N/C