Digi EIA-232 - Cisco Console Adapter, DB-25 to RJ-45

The wiring diagram for a DB-25 to Cisco Console RJ-45 8-pin adapter cable is shown in Table 1.

Table 1:  EIA-232 DB-25 to RJ-45

From DB-25	Signal	Direction	Signal	To RJ-45
8	DCD		DTR	2
3	RxD		TxD	3
2	TxD		RxD	6
20	DTR		DSR	7
7	SG		SG	5
4	RTS		CTS	8
5	CTS		RTS	1
1	GND		GND	4

• Arrows indicate which direction the signal is flowing

NOTES:

• Works for most current cisco routers.
• Altpin should be turned off when using this cable.
• EIA-232 cables cannot exceed 2500pF.  For information about calculating capacitance of your cable, click here.
• For information regarding the EIA-232/EIA-422/EIA485 specifications, click here.