3Com OfficeConnect 3C16700A User Manual

Also see for 3C16792 - OfficeConnect Dual Speed Switch 16: Datasheet

3Com OfficeConnect 3C16700A User Manual Manual pdf 10 page image

10T HE OFFICEC ONNECT ETHERNET H UB 4 AND 4CEthernet Hub 4 and 4C—Front1 2 3 4 Green=AUIoff=COAX1% 2% 3% 6% 12% 25% 50% 80%Port Status Network UtilizationPartitionedAUI/COAXAlertOfficeConnect Ethernet Hub 4CGreen = OK, Yellow = PartitionedPower CollisionActivityAlert LEDorangeAlerts you to excessivenetwork use or anisolated (partitioned)10BASE-T port.Power LEDgreenIndicates that the hub ispowered on.Collision LEDyellowFlashes each time a collision is detectedon the network. Collisions are part ofnormal network operation.Activity LED(Hub 4 only)yellowFlashes each timea packet isreceived on aport.Network Utilization LEDs (Hub 4C only)green/yellow/orangeIndicates how much your network is being used.10BASE-T Port Status LEDsgreen/yellowgreenyellowoffIndicates the status of each 10BASE-T port.— The link between the port and the nextpiece of network equipment is OK.— The port has partitioned due to a fault onthat segment.— Nothing is connected to the port or the linkhas failed.AUI/COAX Status LEDs (Hub 4C only)green/off=media, yellow=partitiongreen/offyellowIndicates the status of the AUI or 10BASE-2 port, depending on which one is in use.— The left-hand status LED is green if the AUI port is in use, and off if eitherthe 10BASE-2 port is being used or nothing is connected to the port.— If the right-hand status LED is yellow, the port in use has been partitioned.3C16700.book Page 10 Wednesday, July 7, 1999 5:46 PM