This cable will allow you to connect from the CM32 serial ports to modems and other DCE RS232 devices.
The wiring diagram is shown in Table 1.

Table 1:  EIA-232 RJ45 to DB-25 

From Port RJ45	Signal		Signal	To Port DB-25M
3	TxD		TxD	2
6	RxD		RxD	3
4	GND		GND	7
2	DTR		DTR	20
8	DSR		DSR	6
7	DCD		DCD	8
1	RTS		RTS	4
5	CTS		CTS	5