3Com manual THE OFFICECONNECT ETHERNET HUB 8 AND 8C, Ethernet Hub 8 and 8C-Front, Alert LED

Models: 8

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THE OFFICECONNECT ETHERNET HUB 8 AND 8C

THE OFFICECONNECT ETHERNET HUB 8 AND 8C

Ethernet Hub 8 and 8C—Front

Alert LED

Activity LED

orange

(Hub 8 only)

Alerts you to excessive

yellow

network use or an

Flashes each time a

isolated (partitioned)

packet is received

10BASE-T port.

on a port.

Ethernet Hub 8 and 8C—Front Port Status LEDs

green/yellow

Indicates the status of each port.

green — The link between the port and the next piece of network equipment is OK. yellow — The port has partitioned due to a fault on that segment.

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

 

 

Network Utilization

 

Alert

Power ActivityCollision

1 2 3 4 5 6 7 8 COAX

1% 2% 3% 6% 12% 25% 50% 80%

 

 

Green = OK, Yellow = Partitioned

 

OfficeConnect Ethernet Hub 8C

Power LED
Collision LED
Network Utilization LEDs (Hub 8C only)

green

Indicates that the hub is powered on.

yellow

green/yellow/orange

Flashes each time a collision is detected on the network.

Indicates how much your network is being used.

Collisions are part of normal network operation.

 

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3Com THE OFFICECONNECT ETHERNET HUB 8 AND 8C, Ethernet Hub 8 and 8C-Front, Alert LED, Activity LED, Port Status LEDs