Auxiliary Port Signals And Pinouts - Cisco MWR 1941-DC - 1941 Mobile Wireless Router Hardware Installation Manual

Console and Auxiliary Port Signals and Pinouts
Table B-2
and the RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL).
Table B-2
Console
Port (DTE)
Signal
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
1. You can use the same cabling to connect a console to the auxiliary port
2. Pin 1 is connected internally to pin 8

Auxiliary Port Signals and Pinouts

Table B-3
and the RJ-45-to-DB-25 male DCE adapter (labeled MODEM).
Table B-3
Auxiliary
Port (DTE)
Signal
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
1. Pin 1 is connected internally to pin 8.
Cisco MWR 1941-DC Mobile Wireless Edge Router Hardware Installation Guide
B-6
lists the pinouts for the asynchronous serial console port, the RJ-45-to-RJ-45 rollover cable,
Console Port Signaling and Cabling Using a DB-25 Adapter
RJ-45-to-RJ-45
1
Rollover Cable
RJ-45 Pin RJ-45 Pin
2
1 8
2 7
3 6
4 5
5 4
6 3
7 2
1
8 1
lists the pinouts for the asynchronous serial auxiliary port, the RJ-45-to-RJ-45 rollover cable,
Auxiliary Port Signaling and Cabling Using a DB-25 Adapter
RJ-45-to-RJ-45
Roll-Over Cable
RJ-45 Pin
1
1
2
3
4
5
6
7
1
8
RJ-45-to-DB-25
Terminal Adapter
DB-25 Pin
5
6
3
7
7
2
20
4
RJ-45-to-DB-25
Modem Adapter
RJ-45 Pin DB-25 Pin
8 4
7 20
6 3
5 7
4 7
3 2
2 8
1 5
Appendix B Cable Specifications
Console
Device
Signal
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
Modem
Signal
RTS
DTR
TxD
GND
GND
RxD
DCD
CTS
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