Ruijie RG-NBS3100 Series Switches Hardware Installation and Reference Guide Troubleshooting
29
The status LED is off
after power-on.
The power supply is not enabled, or the
power cable is loosened.
Check whether the power socket is normal.
Check whether the power cable is correctly
connected.
The RJ45 port is not
connected or an error
occurs when the port
is receiving or
transmitting frames.
The connected twisted pair cable is
faulty.
The length of the cable exceeds 100 m.
The port has special configuration,
which does not adapt to the working
mode of the connected switch.
Replace the twisted pair cable.
Check that the port configuration has the common
working mode with the connected switch.
The optical port
cannot be connected.
The Rx and Tx ends are connected
reversely.
The interconnected optical module type
does not match.
The fiber type is incorrect.
The length of the optical module
exceeds the rated value.
Switch the Rx and Tx ends of the optical module.
Replace the optical module with one of the
matched type.
Replace the optical module with one of the
appropriate type.
Replace the optical module with one of the
appropriate length.
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