QTech QSW-4600 Series Hardware Installation And Reference Manual page 48

QSW-4600 Series Switch Hardware Installation and Reference Guide
correctly.
The RJ45 port is not in The connected twisted pair cable is
connectivity or it is faulty.
erroneous in The length of the cable exceeds 100 m.
receiving/transmitting The port has special configuration that
frames. has no common working mode with the
connected switch.
The fiber port cannot The Rx and Tx ends are connected
be connected. reversely.
The interconnected optical module type
does not match.
The fiber type is not correct.
The length of the optical fiber exceeds
that rated of the optical module.
The expansion
The module is not properly installed or
module is not
is in loose contact.
identified by the host.
The module is installed after the host is
powered on.
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Replace the twisted pair cable.
Check that the port configuration has the common
working mode with the connected switch.
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.
Replace the optical fiber with one of the
appropriate length.
Power off, install the module, and then power on
the host.
Power off, remove and install the module again.
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