Cisco 901 Installation Manual page 58

Console Port Signals and Pinouts
Figure B-4
Router
Table B-3
Table B-3
Pin
1
2
3
4
5
6
7
8
Table B-4
Table B-4
Console
Port (DTE)
Signal
RTS
DTR
TxD
GND/RI
GND
RxD
DSR/DCD
CTS
1. Pin 1 is connected internally to pin 8.
Table B-5
and the RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL).
Cisco ASR 901 Series Aggregation Services Router Hardware Installation Guide
B-4
Connecting the Console Port to a PC
RJ-45-to-RJ-45
rollover cable
lists the Console port pinouts for the Cisco ASR 901 router.
Console Port Pinouts
Signal Name HP Pins
RTS UART_RTS1
DTR NC
TXD UART_SOUT1
RI GND
GND GND
RXD UART_SIN1
DSR/DCD NC
CTS UART_CTS1
describes the pinouts RJ-45-to-RJ-45 and RJ-45-to-DB-9 rollover cables.
Console Port Signaling and Cabling Using a DB-9 Adapter
RJ-45-to-RJ-45 Rollover Cable
RJ-45 Pin
1
1
2
3
4
5
6
7
1
8
lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable,
PC
RJ-45-to-DB-9 adapter
(labeled TERMINAL)
Direction
Output
Output
Input
Input
Input
RJ-45-to-DB-9
Terminal Adapter
(Connected to Rollover
Cable)
RJ-45 Pin DB-9 Pin
8 8
7 6
6 2
5 5
4 5
3 3
2 4
1 7
Appendix B Cable Specifications
Description
Request to send
Transmit data
Ring indicator
Receive data
Data set ready/Data Carrier detect
Clear to send
Console
Device
Signal
CTS
DSR/DCD
RxD
GND
GND/RI
TxD
DTR
RTS
OL-23778-01