Connection
13
device is powered on.
4.3 Console Port
Connect the 9-pin serial port of a PC to the console port of the switch with an RJ45-DB9 console
cable. Then you can configure, maintain, and manage the switch by running the Hyper Terminal in
the Windows OS of the computer.
Figure 16 Console Port
RJ45-DB9 Console Cable
One end of an RJ45-DB9 console cable is crimped RJ45 connector to be inserted into the console
port of the switch, and the other end is the DB9 connector to be inserted into the 9-pin serial port of
a PC.
Figure 17 Wiring Sequence of DB9-RJ45 Console Cable
Table 11 Pin Definitions of DB9-RJ45 Console Cable
DB9 Pin
RJ45 Pin
Signal
Description
2
3
RXD
Receive data
3
2
TXD
Transmit data
5
5
GND
Grounding
4.4 Grounding
Grounding protects the switch from lightning and interference. Therefore, you must ground the