3com 3C16703A User Guide
17
T
HE
O
FFICE
C
ONNECT
E
THERNET
H
UB
8
AND
8C
Ethernet Hub 8 and 8C—Front
Alert
1
2
3
4
5
6
7
8
1%
2%
3%
6%
12% 25% 50% 80%
OfficeConnect
Ethernet Hub 8C
Port Status
Network Utilization
COAX
Green = OK, Yellow = Partitioned
Power
Collision
Activity
Alert LED
orange
Alerts you to excessive
network use or an
isolated (partitioned)
10BASE-T port.
Alerts you to excessive
network use or an
isolated (partitioned)
10BASE-T port.
Power LED
green
Indicates that the hub is
powered on.
Indicates that the hub is
powered on.
Activity LED
(Hub 8 only)
yellow
Flashes each time a
packet is received
on a port.
yellow
Flashes each time a
packet is received
on a port.
Collision LED
yellow
Flashes each time a collision is detected on the network.
Collisions are part of normal network operation.
Flashes each time a collision is detected on the network.
Collisions are part of normal network operation.
Network Utilization LEDs
(Hub 8C only)
green/yellow/orange
Indicates how much your network is being used.
Indicates how much your network is being used.
Port Status LEDs
green/yellow
green
yellow
off
yellow
off
Indicates the status of each port.
— The link between the port and the next piece of network equipment is OK.
— The port has partitioned due to a fault on that segment.
— Nothing is connected to the port or the link has failed.
The 10BASE-2 port LED (Hub 8C only) can only be yellow or off. It is yellow if the port has partitioned.
3C16700.book Page 17 Wednesday, July 7, 1999 5:46 PM