3com DSA-3CV1001-02 Manual De Usuario
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Using Front Panel LEDs to Solve Problems
73
VCN AP
Failure
Indicated
Failure
Indicated
OFF after
connection:
Possible
causes:
connection:
Possible
causes:
■
faulty
power
adapter
power
adapter
■
problem
in the
VCN AP
in the
VCN AP
Replace ac/dc adapter
and try again. If the
problem is eliminated,
the problem was the
adapter. If not, the
problem is in the VCN
AP; replace it and
send it to 3Com.
and try again. If the
problem is eliminated,
the problem was the
adapter. If not, the
problem is in the VCN
AP; replace it and
send it to 3Com.
OFF and the
user data
cable is
connected.
user data
cable is
connected.
ON (green)
One of the items
below failed:
below failed:
■
user data cable
■
user PC NIC
■
VCN AP
Try replacing each of
the first 2 items. If the
problem is not
eliminated, the
problem is in the VCN
AP; replace it and
send it to 3Com.
the first 2 items. If the
problem is not
eliminated, the
problem is in the VCN
AP; replace it and
send it to 3Com.
The Line LED
does not turn
steady green
during 2
minutes after
POST
does not turn
steady green
during 2
minutes after
POST
Possible causes are:
■
no connection
■
wiring
■
VCN AC
■
punch down
block/patch panel
block/patch panel
Power the VCN AP
OFF, then ON. If the
VCN AP starts
properly, the problem
is solved. If not,
replace it and send it
to 3Com.
OFF, then ON. If the
VCN AP starts
properly, the problem
is solved. If not,
replace it and send it
to 3Com.
Table 9 Determining VCN AP status from the LED Indications after POST
State
Ethernet
Line
Power
Notes