Console Port Signals And Pinouts; Appendix B Cable Specification - Cisco MWR 1941-DC-A Hardware Installation Manual

Console and Auxiliary Port Signals and Pinouts
Console and Auxiliary Port Signals and Pinouts
Your router comes with a console and auxiliary cable kit, which contains the cable and adapters that you
need to connect a console terminal (an ASCII terminal or PC running terminal emulation software) or a
modem to your router. The console and auxiliary cable kit includes the following items:
•
•
•
•
For console connections, see the
"Auxiliary Port Signals and Pinouts" section on page

Console Port Signals and Pinouts

Use the thin, flat, RJ-45-to-RJ-45 rollover cable and the RJ-45-to-DB-9 female DTE adapter (labeled
TERMINAL) to connect the console port to a PC running terminal emulation software.
how to connect the console port to a PC.
port, the RJ-45-to-RJ-45 rollover cable, and the RJ-45-to-DB-9 female DTE adapter (labeled
TERMINAL).
Figure B-1
Router
Table B-1
Console
Port (DTE)
Signal
RTS
DTR
TxD
GND
GND
RxD
DSR
CTS
1. Pin 1 is connected internally to pin 8.
Cisco MWR 1941-DC-A Mobile Wireless Edge Router Hardware Installation Guide
B-2
RJ-45-to-RJ-45 rollover cable
RJ-45-to-DB-9 female DTE adapter (labeled TERMINAL)
RJ-45-to-DB-25 female DTE adapter (labeled TERMINAL)
RJ-45-to-DB-25 male DCE adapter (labeled MODEM)
Connecting the Console Port to a PC
RJ-45-to-RJ-45
rollover cable
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
Console Port Signals and Pinouts; for modem connections, see the
B-3.
Table B-1 lists the pinouts for the asynchronous serial console
RJ-45-to-DB-9 adapter
(labeled TERMINAL)
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
Figure B-1
PC
Console
Device
Signal
CTS
DSR
RxD
GND
GND
TxD
DTR
RTS
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