Cisco Systems 7600 manual RJ-45-to-RJ-45 RJ-45-to-DB-9 Console, Rollover Cable, Device

Appendix B Cable and Connector Specifications

Console Port Cabling Specifications and Pinouts

Figure B-1 Identifying a Rollover Cable

Pin 1 and pin 8

should be the

same color

Pin 1 Pin 8

H3824

DB-9 Adapter (for Connecting to a PC)

Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-9 female DTE adapter (labeled “Terminal”) to connect the console port to a PC running terminal emulation software. Table B-8lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter.

Table B-8	Console Port DB-9 Adapter Pinouts
	RJ-45-to-RJ-45		RJ-45-to-DB-9	Console
Console Port	Rollover Cable		Terminal Adapter	Device
Signal	RJ-45 Pin	RJ-45 Pin	DB-9 Pin	Signal
RTS	11	8	8	CTS
DTR	2	7	6	DSR
TxD	3	6	2	RxD
GND	4	5	5	GND
GND	5	4	5	GND
RxD	6	3	3	TxD
DSR	7	2	4	DTR
CTS	81	1	7	RTS

1. Pin 1 is connected internally to Pin 8.

Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide

B-8 OL-10100-04