Serial (PC 9)

(At the Computer)

9 PIN D-SUB MALE 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

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