25針電腦串口介面定義

admin @ 2014-03-19 , reply:0

25針電腦串口介面定義
25針電腦串口介面定義

 




































































































































































Pin Name Dir Description
1 SHIELD - Shield Ground
2 TXD Transmit Data
3 RXD Receive Data
4 RTS Request to Send
5 CTS Clear to Send
6 DSR Data Set Ready
7 GND - System Ground
8 CD Carrier Detect
9 n/c -  
10 n/c -  
11 n/c -  
12 n/c -  
13 n/c -  
14 n/c -  
15 n/c -  
16 n/c -  
17 n/c -  
18 n/c -  
19 n/c -  
20 DTR Data Terminal Ready
21 n/c -  
22 RI Ring Indicator
23 n/c -  
24 n/c -  
25 n/c -  





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