3com 3C16723A User Manual
8
Fast Ethernet Hub 12—Front
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1
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1%
2%
3%
6%
12% 25% 50% 80%
Port Status
Network Utilization
OfficeConnect
Fast Ethernet Hub 12
Alert
Power
Collision
Green = OK, Yellow = Partitioned
Alert LED
orange
Alerts you to
excessive network
use or a
partitioned
100BASE-TX port.
Alerts you to
excessive network
use or a
partitioned
100BASE-TX port.
Power LED
green
Indicates that
the power
supply to the
hub is present.
Indicates that
the power
supply to the
hub is present.
Collision LED
yellow
Flashes each time a
collision is detected
at the hub. Collisions
are part of normal
network operation.
Flashes each time a
collision is detected
at the hub. Collisions
are part of normal
network operation.
Network Utilization LEDs
green/yellow/orange
Indicates how much your
network is being used.
Indicates how much your
network is being used.
Port Status LEDs
green/yellow
Indicates the status of each port. If
nothing is connected, the LED is off.
If green, the link between the port
and the next piece of network
equipment is OK.
If yellow, the port has partitioned due
to a fault on that segment.
Indicates the status of each port. If
nothing is connected, the LED is off.
If green, the link between the port
and the next piece of network
equipment is OK.
If yellow, the port has partitioned due
to a fault on that segment.
3C16721.book Page 8 Wednesday, July 7, 1999 3:05 PM