Compaq HB1004 manual Hub and Port LED Indicators, State Indication

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Verifying Hub and Port Status

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2-7

After the hub completes the POST, you can check hub activity and each connection by comparing the indicators with Table 2-2.

Figure 2-6HB1004 Hub and Port LEDs

		Table 2-2
		Hub and Port LED Indicators
LED	State	Indication
Power	On	Hub receiving power, CPU running
Utilization%	On	Number of LEDs lit indicates percentage of LAN bandwidth used
Collision%	On	Two or more devices attempted to transmit data at the same time,
		number of LEDs lit indicates percentage of collisions
Link/Activity	On	Port has established a valid network connection
	Flashing	Port is receiving packets; blinking proportional to traffic
Partition/Disable	On	Port partitioned due to an abnormal network condition
	Flashing	Port has been disabled by management
	Off	Port is operating normally

Table 1-1 in Chapter 1 explains the LED system for indicating percentages for Utilization and Collisions.

Compaq HB1004 10Base-T Hub User Guide