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Introducing the HP ProCurve 10/100 Hubs

Front of the Hubs

Introducing the HP ProCurve

10/100 Hubs

LEDs for the 10/100Base-T Hubs

The following table describes the hub’s LED displays.

Hub Status LED State Meaning

Power (Green) On The hub is receiving power.

Off The hub is NOT receiving power.

Fault (Orange) Off The normal state. Indicates that there are no fault conditions

on the hub.

On The hub is in self test after being powered on or reset. If on

for a prolonged time, the hub has failed its self test. See

“Diagnosing with the LEDs” in chapter 3, “Troubleshooting”

for more information.

Act (activity -

Green)

On/

Flickering

The hub is receiving packets on at least one of its ports. If it

appears to be on continuously, network traffic is excessive.

Off The hub is not receiving packets from any attached device.

Col (collision -

Orange)

On/

Flickering

A network collision has been detected on any of the hub

ports. If the LED is on solid, a heavy collision rate is

occurring.

Off Collisions are not occurring on the network.

Link LEDs

Link On The port detects an attached device.

Off The port has not detected another device.

Slow Blink* The port has been autopartitioned due to excessive

collisions.

Fast Blink

†

A security violation has been detected on the port (Hub 12M

and Hub 24M only)

* The slow blink behavior is a regular pulse, once every 1.6 seconds, approximately.

†

The fast blink behavior is a regular pulse, once every 0.8 seconds, approximately.

100 LEDs

100 Mbps

Indicator LED

On The port is operating at 100 Mbps.

Off The port is operating at 10 Mbps.

(This LED is meaningful only if the Link LED is lit for the port.)

9934.book Page 4 Thursday, January 14, 1999 12:39 PM

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