HP 10BASE-T Guia do Utilizador descarregar pdf (Página 22)

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Troubleshooting

LED Error Indications

Troubleshooting

LED Error Indications

Use the following table to troubleshoot your stack of hubs using the LEDs.

LED patterns indicating problems Diagnostic Tips

Power Collision Fault Security RPS Port

OFF * * * * * Check power cord and power source. If OK, replace hub.

ON * OFF OFF * OFF or

flashing

intermitt

ently

Link beat has not been detected. Check that the cabling on

the indicated port is connected properly. Bad cables are

common; try a different cable.

If you have a Management Module in the stack, use HP

AdvanceStack Assistant or the ASCII console to determine

the state of the port:

- Determine if the port was disabled. Re-enable if desired.

ON Appears

solidly

* * * * Very frequent collisions could indicate a network fault or

improperly terminated cable. A transceiver attached to the

AUI port may not have the SQE test disabled.

ON * Slow

Flash

OFF * Slow

Flash

The port has automatically been partitioned because of too

many collisions. Check cable terminations, connections,

SQE setting on any external transceivers, and status of

attached network devices for causes of the excess

collisions.

ON * Slow

Flash

*Slow

Flash

* The Redundant Power Supply (RPS) may no longer be

providing redundant power. See the documentation

provided with the RPS for troubleshooting.

OFF * * * OFF * The hub is not receiving power from the Redundant Power

Supply (RPS) or the cable connection is loose. If you have

an RPS connected, check the cable connections and the

RPS LED.

ON * * Rapid

Flash

*Rapid

Flash

An unauthorized user has tried to access the hub. The port

is now disabled. Use the ASCII console or HP AdvanceStack

Assistant to clear the violation.

ON * * Rapid

Flash

*Not

Flashing

An unauthorized network management station has

attempted to access a hub. Use the ASCII console or HP

AdvanceStack Assistant to clear the violation.

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