Labels:text | screenshot | number | font OCR: Signal Description Pin Number Pin Number on 25-Pin Connector on 9-Pinto Connector TxD Transmit Data 2 3 RXD Receive Data 3 2 RTS Request To Send 4 7 CTS Clear To Send 5 8 DSR Data Set Ready 6 6 SG Signal Ground 7 5 DCD Carrier Detect 8 1 DTR Data Terminal Ready 20 4 RI Ring Indicator 22 9