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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 I/O controller uses two types of physical media for console port and auxiliary port connections.
Table 3-13
describes the I/O controller console and auxiliary port media type for each model.
The NPE-G1 and NPE-G2 use RJ-45 media for console port and auxiliary port connections. See
Table 3-18
for console port pinout information and
Console and Auxiliary Port Physical Media
Before connecting a terminal to the console port, configure the terminal to match the router console port
as follows: 9600 baud, 8 data bits, no parity, 2 stop bits (9600 8N2). After you establish normal router
operation, you can disconnect the terminal.
The DB-25 ports and connectors conform to the EIA/TIA-232 serial data transfer standard for
communications between DTE and DCE equipment.
connections for DB-25 physical media.
Table 3-19
for auxiliary port pinout information.
Figure 3-28
shows console and auxiliary port
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Troubleshooting
