1 CD 載波偵測(Carrier Detect)
2 RXD 接收數(shù)據(jù)(Receive)
3 TXD 發(fā)送數(shù)據(jù)(Transmit)
4 DTR 數(shù)據(jù)終端準備(Data Terminal Ready)
5 GND 地線(Ground)
6 DSR 數(shù)據(jù)準備好(Data Set Ready)
7 RTS 請求發(fā)送(Request To Send)
8 CTS 清除發(fā)送(Clear To Send)
9 RI 振鈴指示(Ring Indicator)
一般情況下,只需要手動接2/3/5線就可以了,注意公頭和母頭2/3線序相反。
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