한국어
팁/강좌/노하우

 

 

a2951a32949.gif

 

 

DB-9 수 (Male)
DB-25 수 (Male)
10-포지션 모듈형 잭
RS232
RS485/RS422
RS232
RS485/RS422
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