Cisco Systems A9014CFD, ASR 9014CFD manual Pin Signal Name HP Pins Direction Description

Appendix B Cable Specifications

Console Port Signals and Pinouts

Figure B-4 Connecting the Console Port to a PC

RJ-45-to-RJ-45

rollover cable Router

PC

RJ-45-to-DB-9 adapter (labeled TERMINAL)

H7226

Table B-3lists the Console port pinouts for the Cisco ASR 901 router.

Table B-3	Console Port Pinouts
Pin	Signal Name	HP Pins	Direction	Description
1	RTS	UART_RTS1	Output	Request to send
2	DTR	NC
3	TXD	UART_SOUT1	Output	Transmit data
4	RI	GND		Ring indicator
5	GND	GND
6	RXD	UART_SIN1	Input	Receive data
7	DSR/DCD	NC	Input	Data set ready/Data Carrier detect
8	CTS	UART_CTS1	Input	Clear to send

Table B-4describes the pinouts RJ-45-to-RJ-45 and RJ-45-to-DB-9 rollover cables.

Table B-4	Console Port Signaling and Cabling Using a DB-9 Adapter
				RJ-45-to-DB-9
				Terminal Adapter
Console				(Connected to Rollover	Console
Port (DTE)		RJ-45-to-RJ-45 Rollover Cable		Cable)	Device
Signal		RJ-45 Pin	RJ-45 Pin	DB-9 Pin	Signal
RTS		11	8	8	CTS
DTR		2	7	6	DSR/DCD
TxD		3	6	2	RxD
GND/RI		4	5	5	GND
GND		5	4	5	GND/RI
RxD		6	3	3	TxD
DSR/DCD		7	2	4	DTR
CTS		81	1	7	RTS

1. Pin 1 is connected internally to pin 8.

Table B-5lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL).

Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide

B-4 OL-23778-01