American Power Conversion AP9615 사용자 설명서
12
Troubleshooting
Troubleshooting
suggestions
Continued on next page
LED
Action
Cause
Solution
Col
Blinking
Normal data
collisions on the
network.
collisions on the
network.
No action is necessary.
Col
Blinking
excessively
excessively
Data collisions
are occurring
because of a
high volume of
traffic on the
network.
are occurring
because of a
high volume of
traffic on the
network.
Make sure connected
devices are not
operating in full-
duplex mode; they
must operate in half-
duplex mode.
devices are not
operating in full-
duplex mode; they
must operate in half-
duplex mode.
Segment the network
with an Ethernet
switch.
with an Ethernet
switch.
Cables used to
connect to the
network are
defective or of
the wrong type.
connect to the
network are
defective or of
the wrong type.
Verify that the cable is
of the correct type. See
“Communication
cables” on page 4 for
more information.
of the correct type. See
“Communication
cables” on page 4 for
more information.
Link/
Traffic
Traffic
Off
(even with
a cable
attached)
a cable
attached)
Successful link
is not being
detected by the
port.
is not being
detected by the
port.
Verify that the hub and
the connected device
are powered.
the connected device
are powered.
Verify that the cable is
of the correct type. See
“Communication
cables” on page 4 for
more information.
of the correct type. See
“Communication
cables” on page 4 for
more information.
Inspect cables for
damage, cable pairs to
see if they are wired
correctly, and
connectors to see if
they are loose.
damage, cable pairs to
see if they are wired
correctly, and
connectors to see if
they are loose.
Table 2: Suggestions for Troubleshooting