시리얼 인터페이스 커넥터를 위한 핀아웃

DB-9 수 (Male)

DB-25 수 (Male)

10-포지션 모듈형 잭

핀

RS232

RS485/RS422

핀

RS232

RS485/RS422

핀

RS232

RS485/RS422

1

DCD

GND

2

TXD

RTS+ (HSO+)

1

No Connect

No Connect

2

RXD

CTS+ (HSI+)

3

RXD

CTS+ (HSI-)

2

RI

TXD-

3

TXD

RTS+ (HSO+)

4

RTS

RTS- (HSO-)

3

CTS

TXD+

4

DTR

RXD+

5

CTS

TXD+

4

RTS

RTS- (HSO-)

5

GND

RXD-

6

DSR

CTS- (HSI-)

5

DSR

CTS- (HSI-)

6

DSR

CTS- (HSI-)

7

GND

RXD-

6

GND

RXD-

7

RTS

RTS- (HSO-)

8

DCD

GND

7

DTR

RXD+

8

CTS

TXD+

20

DTR

RXD+

8

TXD

RTS- (HSO+)

9

RI

TXD-

22

RI

TXD-

9

RXD

CTS+ (HSI+)

-

-

-

-

-

-

10

DCD

GND