pinout (распиновка)

Serial (PC 9) connector

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9 pin D-SUB MALE connector  at the computer

Pin Name Dir Description 1 CD Carrier Detect 2 RXD Receive Data 3 TXD Transmit Data 4 DTR Data Terminal Ready 5 GND System Ground 6 DSR Data Set Ready 7 RTS Request to Send 8 CTS Clear to Send 9 RI Ring Indicator

10 pin IDC male connector  at the inside, at motheboard

Note: Direction is DTE (Computer) relative DCE (Modem)