Cisco Systems 11500 Series manual Connecting the Console Port to a Modem

Appendix B Cable Connector Pinouts

RJ-45 RS-232 Console Port Pinouts

Connecting the Console Port to a Modem

To connect the console port to a terminal, use an RJ-45 to RJ-45 rollover cable and an RJ-45 to DB-25 male DCE adapter.

Table B-5lists the signals of the console port and modem device, and the pinouts of the rollover cable and the DCE adapter interfaces.

Table B-5 Console Port to Modem Signals and Pinouts

		RJ-45 Rollover	DB-25 DCE
	Console Port to	Cable to RJ-45	Adapter to
Console	RJ-45 Rollover	DCE Adapter	Modem	Modem
Port Signal	Cable Pinouts	Pinouts	Pinouts	Device Signal
RTS	1	8	4	RTS
DTR	2	7	20	DTR
TXD	3	6	3	TXD
GND	4	5	7	GND
GND	5	4	7	GND
RXD	6	3	2	RXD
DSR	7	3	8	DCD
CTS	8	1	5	CTS

	Cisco 11500 Series Content Services Switch Hardware Installation Guide
B-6	78-13884-06