Labels:text | screenshot | diagram OCR: Four common examples of RS-232 'null modem' cabling . Use for computer/computer or computer/peripheral (DTE/DTE) CONNECTOR PIN /25 /9 FUNCTION (A) (B) (C) (D) 1 Frame Ground ... FG 2-3 Transmitted Data TxD 3-2 Received Data RxD 4-7 Request To Send RTS 5-8 Clear To Send CTS 6-6 Data Set Ready DSR 7-5 Signal Ground ... SG 8-1 Data Carrier DCD Detect 20-4 Data Terminal DTR Ready (A) Hardware handshaking . (B) Partial handshaking . (C) Minimal handshaking . (D) No handshaking. Only the PC side may need the loopback Downloaded From P-80 International Information Systems 304-744-2253
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