HP J3188A, Installation And Reference Manual

Page: 22 / 100

1-12
Installing the Hub
Interpreting LED Status
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Interpreting Hub Status LEDs
The hub status LEDs indicate whether the hub is functioning properly. For
further details on error conditions indicated by the Status LEDs, see chapter
2, “Troubleshooting”.
LED State Meaning of LED
SYSTEM
(Power)
(green)
On The hub is receiving power.
Off The hub is not receiving power.
ACT
(Activity)
(green)
Flickering ON while a packet is being transmitted. Normally, the LED appears
to flicker. In heavy traffic, it may appear on all the time.
FLT
(Fault)
(Orange)
On
Off
Flash An error has been detected on the hub.
No error has been detected on the hub.
Flashes simultaneously with port LEDs, indicating the port is
partitioned.
SEC
(Security)
(Orange)
On
Off
Flash A security violation has occurred.
Hub security has not been violated.
Flashes simultaneously with port LEDs, indicating the port had a
security violation.
RPS
(RPS)
(green)
On
Off The RPS is providing power.
The RPS is not providing power.
COL
(Collision)
(orange)
Flickering This LED is on while a collision is detected. If it appears on
continuously (with no flicker), it is a possible indicator of a network
fault or an improperly terminated cable.
MUCHO.BK : ch1.fm5 Page 12 Thursday, June 26, 1997 11:37 AM