Hardware Installation and Reference Guide Maintenance and Troubleshooting
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5 Maintenance and Troubleshooting
5.1 Troubleshooting Procedure
5.2 Troubleshooting Common Faults
The status indicator is
not on after the switch
is started.
The power module does not work.
The power cable is in loose contact.
Check whether the power socket in the equipment
room is normal and whether the power cable is
installed.
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 working mode of the port must adapt
to that of the connected switch.
The fiber 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.
Switch the Rx and Tx ends of the optical fiber.
Replace the optical module with one of the matched
type.
Replace the optical fiber with one of the appropriate
type.
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