Cisco 1720 Hardware Installation Manual page 66

Console
(DTE)
Signal
RTS
DTR
TXD
GND
GND
RXD
DSR
CTS
Figure B-1
Cisco 1700 Router Hardware Installation Guide
B-4
Table B-3
Console
Port Console Cable
RJ-45 Pin RJ-45 Pin
1 8
2 7
3 6
4 5
5 4
6 3
7 2
8 1
Identifying a Rollover Cable
Pin 1 on one connector and
pin 8 on the other connector
should be the same color.
Appendix B
Console Cable and Adapter Pinouts
Adapter Adapter
DB-9 Pin DB-25 Pin
8 5
6 6
2 3
5 7
5 7
3 2
4 20
7 4
Pin 8
Cabling Specifications
Terminal
(DTE)
Signal
CTS
DSR
RXD
GND
GND
TXD
DTR
RTS
78-5405-03