9針串口到25針Modem連線
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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 Modem 的(de)一頭是 25 針公插頭:
引腳定義 |
Female | Male | Dir | |
---|---|---|---|
Shield | 1 | ![]() |
|
Transmit Data | 3 | 2 | ![]() |
Receive Data | 2 | 3 | ![]() |
Request to Send | 7 | 4 | ![]() |
Clear to Send | 8 | 5 | ![]() |
Data Set Ready | 6 | 6 | ![]() |
System Ground | 5 | 7 | ![]() |
Carrier Detect | 1 | 8 | ![]() |
Data Terminal Ready | 4 | 20 | ![]() |
Ring Indicator | 9 | 22 | ![]() |