Leds For The 10/100Base-T Hubs - HP ProCurve 10/100 12 Installation Manual

Introducing the HP ProCurve 10/100 Hubs
Front of the 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."
1-4
Hub Status LED State
Power (Green) On
Off
Fault (Orange) Off
On
Slow*
Activity (Green) On/Blinking The hub is receiving packets. If it appears as solid, packet
Off
Collision On/Blinking The hub has detected two or more packets on the hub have
(Orange)
Off
Link LEDs
Link On
Off
Slow Blink* The port has been autopartitioned due to excessive
* The slow blink behavior is a regular pulse once every 1.6 seconds, approximately.
100 LEDs
100Mbps On
Indicator LED
Off
Meaning
The hub is receiving power.
The hub is NOT receiving power.
The normal state. Indicates that there are no fault conditions
on the hub.
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.
A port has been partitioned. The Link LED of the partitioned
port also blinks.
traffic is heavy.
The hub is not receiving packets from any attached device.
run into each other on the hub, blocking successful. If the
LED is on solid, a heavy collision rate is occurring.
No collisions have been detected on the hub.
The port detects an attached device.
The port has not detected another device.
collisions.
The port is operating at 100Mbps.
If the Link LED is lit, the port is operating at 10Mbps.
If the Link LED is not lit, no attached device is detected.