B-6
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
78-15827-06B0
Appendix B Cable Specifications
Console and Auxiliary Port Signals and Pinouts
Table B-2
lists 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).
Auxiliary Port Signals and Pinouts
Table B-3
lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable,
and the RJ-45-to-DB-25 male DCE adapter (labeled MODEM).
Table B-2
Console Port Signaling and Cabling Using a DB-25 Adapter
Console
Port (DTE)
1
1.
You can use the same cabling to connect a console to the auxiliary port
RJ-45-to-RJ-45
Rollover Cable
RJ-45-to-DB-25
Terminal Adapter
Console
Device
Signal
RJ-45 Pin
RJ-45 Pin
DB-25 Pin
Signal
RTS
1
2
2.
Pin 1 is connected internally to pin 8
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
8
1
1
4
RTS
Table B-3
Auxiliary Port Signaling and Cabling Using a DB-25 Adapter
Auxiliary
Port (DTE)
RJ-45-to-RJ-45
Roll-Over Cable
RJ-45-to-DB-25
Modem Adapter
Modem
Signal
RJ-45 Pin
RJ-45 Pin
DB-25 Pin
Signal
RTS
1
1
1.
Pin 1 is connected internally to pin 8.
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
8
1
1
5
CTS
