3Com 3C16755-US User Guide - Page 6

CREATING YOUR NETWORK Dual Speed Hub 5 and Dual Speed 8-Front Collision LEDs yellow Flash each time a collision is detected on the Hub's 100Mbps or 10Mbps segment. Occasional collisions are a normal part of network operation; however, sustained collisions may indicate network congestion. 10M 100M Power Collision Port Status 1 23456 78 Green = 100M, Yellow = 10M, Flash = Activity OfficeConnect Dual Speed Hub 8 Power LED green Indicates that the hub is powered on. Port Status LEDs green (100Mbps link) / yellow (10Mbps link) If the LED is on, the link between the port and the next piece of network equipment is OK. If the LED is flashing, the link is OK and data is being received. If the LED is off, nothing is connected, or the connected device is switched off, or there is a problem with the connection (refer to the "Problem Solving" section). 6