Installation guide

A-4 Cisco 4000 Series Installation Guide
Console and Auxiliary Port Pinouts
Table A-3 Cisco 4500-M and Cisco 4700-M Auxiliary Port Signals
3 Transmitted Data Output
4 Request To Send Looped to Clear To Send
5 Clear To Send Looped to Request To Send
6 Connected to Pin 8 Output
7 Signal Ground –
8 Data Carrier Detect Output
20 Data Terminal Ready Input
Auxiliary Port
DCE DB-25 Connector
Pin Signal Name Direction
1 Frame Ground –
2 Transmitted Data Output
3 Received Data Input
4 Request To Send Output
5 Clear To Send Input
7 Signal Ground –
8 Data Carrier Detect Input
20 Data Terminal Ready Output
Table A-2 Cisco 4500-M, Cisco 4700-M, or Cisco 4800-M Console Port Signals
Console Port
DCE DB-25 Connector
Pin Signal Name Direction