
Connecting the router to the network
Logging in to the router
The most common way to log in to a router is through the console port. It is also the prerequisite to
configuring other login methods.
Connecting the console cable
A console cable is an 8-core shielded cable, with a crimped RJ-45 connector at one end for
connecting to the console port of the router, and a DB-9 female connector at the other end for
connecting to the serial port on the console terminal, as shown in Figure 18.
Figure 18 Console cable
Table 8 Console cable pinouts
RJ-45 pin Signal DB-9 pin Signal
1 RTS 8 CTS
2 DTR 6 DSR
3 TXD 2 RXD
4 CD 5 SG
5 GND 5 SG
6 RXD 3 TXD
7 DSR 4 DTR
8 CTS 7 RTS
20
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