RS-232D

8 pin RJ45 female connector at the devices

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

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

8 pin RJ45 male connector at the cables

-->