9針串口到25針串行打印機電纜

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電纜兩端的(de)到計算(suàn)機的(de)插頭是 9 針母插頭:

9 PIN D-SUB FEMALE
到打印機的(de)插頭是 25 針母插頭:
25 PIN D-SUB FEMALE

引腳定義

 

  D-Sub 1 D-Sub 2  
Receive Data 3 3 Transmit Data
Transmit Data 2 2 Receive Data
Clear To Send + Data Set Ready 8 + 6 20 Data Terminal Ready
Carrier Detect + Data Terminal Ready 1 + 4    
Ground 5 7 Ground