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:
到打印機的(de)插頭是 25 針母插頭:
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 |