The Officeconnect Ethernet Hub 8 And 8C; Ethernet Hub 8 And 8C-Front - 3Com Gigabit Switch 8 User Manual

T O C
HE FFICE ONNECT
Ethernet Hub 8 and 8C—Front
Alert LED
orange
Alerts you to excessive
network use or an
isolated (partitioned)
10BASE-T port.
Alert Power Activity Collision
Power LED
green
Indicates that the hub is
powered on.
E
THERNET
Activity LED Port Status LEDs
(Hub 8 only) green/yellow
yellow Indicates the status of each port.
Flashes each time a
green — The link between the port and the next piece of network equipment is OK.
packet is received
yellow
on a port.
off — 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.
Port Status
1 2 3 4 5 6
Green = OK, Yellow = Partitioned
Collision LED
yellow
Flashes each time a collision is detected on the network.
Collisions are part of normal network operation.
H 8
UB AND
— The port has partitioned due to a fault on that segment.
Network Utilization
7 8 COAX 1% 2% 3%
17
8C
6% 12% 25% 50% 80%
OfficeConnect Ethernet Hub 8C
Network Utilization LEDs
green/yellow/orange
Indicates how much your network is being used.
(Hub 8C only)