RS-232 Pin Layout 썸네일형 리스트형 [펌]RS-232 Pin Layout RS232 on DB25 (RS-232C) No. Name Notes/Description 1 - Protective/shielded ground 2 TD Transmit Data (a.k.a TxD, Tx) 3 RD Receive Data (a.k.a RxD, Rx) 4 RTS Request To Send 5 CTS Clear To Send 6 DSR Data Set Ready 7 SGND Signal Ground 8 CD Carrier Detect (a.k.a DCD) 9 - Reserved for data set testing 10 - Reserved for data set testing 11 - Unassigned 12 SDCD Secondary Carrier Detect 13 SCTS Secon.. 더보기 이전 1 다음