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Cisco ASR 1000 Series Aggregation Services Routers Hardware Installation and Initial Configuration Guide
OL-13208-03
Chapter 5 Cisco ASR 1004 Router Overview and Installation
Connecting Console and Auxiliary Port Cables
Connecting Console and Auxiliary Port Cables
The Cisco ASR 1004 Router has a DCE-mode console port for connecting a console terminal and a
DTE-mode auxiliary port for connecting a modem or other DCE device (such as another router) to your
chassis.
Figure 5-14 shows the CON and AUX ports on the Cisco ASR 1000 Series RP1 route processor
card.
.
Figure 5-14 Cisco ASR 1000 Series RP1—CON and AUX Ports
Note Both the console and the auxiliary ports are asynchronous serial ports; any devices connected to these
ports must be capable of asynchronous transmission. (Asynchronous is the most common type of serial
device; for example, most modems are asynchronous devices.)
The Cisco ASR 1004 Router uses RJ-45 ports for both the auxiliary port and the console port.
For console and auxiliary port pinouts for the RJ-45 connector, see Cisco ASR 1004 Router
Specifications, page A-5. Both ports are configured as asynchronous serial ports.
Step 1 Before connecting a terminal to the console port, configure the terminal to match the chassis console
port as follows: 9600 baud, 8 data bits, no parity, 1 stop bits (9600 8N1).
Step 2 After you establish normal router operation, you can disconnect the terminal.
Connecting the Ethernet Management Port Cable
When using the Fast Ethernet Management port in the default mode (speed-auto and duplex-auto) the
port operates in auto-MDI/MDI-X mode. The port automatically provides the correct signal connectivity
through the Auto-MDI/MDI-X feature. The port automatically senses a crossover or straight-through
cable and adapts to it.
However, when the Fast Ethernet Management port is configured to a fixed speed (10/100/1000 Mbps)
through command-line interface (CLI) commands, the port is forced to MDI mode.
When in a fixed-speed configuration and MDI mode:
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280181
1 2
1 Console port - CON 2 Auxiliary port - AUX