Appendix B Cable and Connector Specifications

Console Port Cabling Specifications and Pinouts

DB-25 Adapter (for Connecting to a Terminal)

Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 female DTE adapter (labeled “Terminal”) to connect the console port to a terminal. Table B-9lists 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.

Table B-9

Console Port DB-25 Adapter Pinouts

 

 

 

 

 

 

 

 

 

RJ-45-to-DB-25

 

 

 

 

Terminal

Console

Console Port

RJ-45-to-RJ-45 Rollover Cable

Adapter

Device

 

 

 

 

 

Signal

RJ-45 Pin

RJ-45 Pin

DB-25 Pin

Signal

 

 

 

 

 

RTS

11

8

5

CTS

DTR

2

7

6

DSR

 

 

 

 

 

TxD

3

6

3

RxD

 

 

 

 

 

GND

4

5

7

GND

 

 

 

 

 

GND

5

4

7

GND

 

 

 

 

 

RxD

6

3

2

TxD

 

 

 

 

 

DSR

7

2

20

DTR

 

 

 

 

 

CTS

81

1

4

RTS

1. Pin 1 is connected internally to Pin 8.

Modem Adapter

Use the RJ-45-to-RJ-45 rollover cable and RJ-45-to-DB-25 male DCE adapter (labeled “Modem”) to connect the console port to a modem. Table B-10lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-25 male DCE adapter.

Table B-10

Console Port Modem Adapter Pinouts

 

 

 

 

 

 

 

RJ-45-to-RJ-45

RJ-45-to-DB-25

 

Console Port

Rollover Cable

Modem Adapter

Modem

 

 

 

 

 

Signal

RJ-45 Pin

RJ-45 Pin

DB-25 Pin

Signal

 

 

 

 

 

RTS

11

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

2

8

DCD

 

 

 

 

 

CTS

81

1

5

CTS

1. Pin 1 is connected internally to Pin 8.

Cisco 7600 Series Router Supervisor Engine and Route Switch Processor Guide

 

OL-10100-04

B-9

 

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Image 57
Cisco Systems 7600 manual RJ-45-to-DB-25 Terminal Console, RJ-45-to-RJ-45 RJ-45-to-DB-25, Rts Dtr, Dsr Dcd Cts