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No.
Pin name
Symbol
Note
1
Sending the normal phase of the data
TXD1+
Output
2
Sending the paraphase of the data
TXD1-
Output
3
Receiving the normal phase of the
data
RXD1+
Input
4
Sending the normal phase of the data
TXD2+
Output
5
Sending the paraphase of the data
TXD2-
Output
6
Receiving the paraphase of the data
RXD1-
Input
7
Receiving the paraphase of the data
RXD2+
Input
8
Sending the paraphase of the data
RXD1-
Input
Table 3-1 Definition of the pins of the RJ45 port
The direct-through or cross network cable has the function of auto-identification, so the five
classes of direct-through/cross network cables can be used to connect other Ethernet devices.
3.5 Checkup after Installation
Before feeding power to start the switch, perform the following checkups after the switch is
installed:
If the switch is installed on the DIN rail, check whether the installation is strong.
If the switch is installed on the desk, check whether there is enough space for
the switch to discharge its heat and whether the desk is stable.
Check whether the connected power supply meets the power requirements of
the switch.
Check whether the grounding line of 4/8 switch is correctly connected.
Check whether 4/8 switch is correctly connected to other terminal devices.
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