9pin1 carrier detect
pin2 receive
pin3 transmit
pin4 data terminal ready
pin5 ground
pin6 data set ready
pin7 request to send
pin8 clear to send
pin9 ring indicator
pin2 receive
pin3 transmit
pin4 data terminal ready
pin5 ground
pin6 data set ready
pin7 request to send
pin8 clear to send
pin9 ring indicator
解决方案 »
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