9 Pin D Serial Port Pin out25 Pin D Serial Port Pin out

Brochage du RS232

Numero de la broche
9 Broche D
Numero de la broche
25 Broche D
Acronyme Signification Direction du signal
w.r.t. PC
1 8 DCD Data Carrier Detect input
2 3 RXD Received data input
3 2 TXD Transmitted data output
4 20 DTR Data Terminal Ready output
5 7 GND Ground
6 6 DSR Data Set Ready input
7 4 RTS Request To Send output
8 5 CTS Clear To Send input
9 22 RI Ring Indicator input

 

 

Brochage du RS422/485

Numero de la broche
9 Broche D
Acronyme Signification Direction du Signal
w.r.t. PC
1 TXD- Transmitted data (-ve) output
2 TXD+ Transmitted data (+ve) output
3 RTS- Request To Send (-ve) output
4 RTS+ Request To Send (+ve) output
5 GND Ground  
6 RXD- Received data (-ve) input
7 RXD+ Received data (+ve) input
8 CTS- Clear To Send (-ve) input
9 CTS+ Clear To Send (+ve) input

 


Adaptateurs RS232/422/485 >>