3.2 Connecting the Port
3.2.1 Connecting the Console Port
The switch of SFC4254T has a Console port.
The rate of the console port is a value ranging from 1200bps to 115200bps. It has a standard RJ
45 plug. After you connect the console port to the serial port of PC through a console cable, you
can configure and monitor the switch of SFC4254T by running a terminal emulation software, su
ch as super Windows terminal. The cable is provided according to the host. The communication
parameters of the terminal serial port can be set to a rate of 9600bps, eight data bits, one stop bit,
no sum check bit and traffic control.
Figure 3-3 Connecting the console port of SFC4254T andcomputer
Note: The switch shown in the previous figure does not represent real SFC4254T switch.
Table 3-1 Definition of the pins of the console port
Note:
Because the console port of SFC4254T bears no flow control, you need to set Data flow control
to none when using a superior terminal to manage SFC4254T configurations, or the single-pass
problem will arise from the superior terminal.
Otherwise, the single-pass problem will arise on the super terminal. The cable is used to connect
the console port of the SFC4254T switch and the outside console terminal device. One end of
the cable is a mini-USB plug and the other end is a 9-hole plug (DB9). The RJ45 plug is put into
the socket of the console port on the SFC4254T switch. The inner line connection in the cable is
shown in figure 3-4. The console cable is numbered as RLC0301.
Figure 3-4 External wiring of the console port
SFC4254T Hardware Installation Manual
No.
Name
Symbol
Remarks
1
Data receiving
RXD
Input
2
No connect
3
Signal ground
SG
GND
4
No connect
5
Data transmitting
TXD
Output
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