Installation manual

1-4
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
To see what the LEDs for the HP 10/100 hubs do, see the following table. For
a more extended view of the LEDs, see the table under the section “LED
Combinations.”
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 (after three seconds), the hub has failed
its self test.
Slow* A port has been partitioned. The Link LED of the partitioned
port also blinks.
Activity (Green) On/Blinking The hub is receiving packets. If it appears as solid, packet
traffic is heavy.
Off The hub is not receiving packets from any attached device.
Collision
(Orange)
On/Blinking The hub has detected two or more packets on the hub have
run into each other on the hub, blocking successful. If the
LED is on solid, a heavy collision rate is occurring.
Off No collisions have been detected on the hub.
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.
* The slow blink behavior is a regular pulse once every 1.6 seconds, approximately.
100 LEDs
100Mbps
Indicator LED
On The port is operating at 100Mbps.
Off If the Link LED is lit, the port is operating at 10Mbps.
If the Link LED is not lit, no attached device is detected.
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