Intel Express 100BASE-T4 User Manual
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5
Overview
C H A P T E R
1
LED matrix
The LED matrix on the Express Stackable Hub’s front panel allows
you to view the hub’s operational status, collisions, network utilization,
NMM status, and port status.
The following table describes the LEDs on the matrix.
Label
Type
Color
Meaning
Pwr
Hub power supply status Green
Hub is receiving power.
Off
Hub is not receiving power.
Stat
Hub status
Green
Hub has power, has passed the
confidence test, and is operating
normally.
Amber
At initial power up, indicates the hub is
running its confidence test. If this LED
lights after the confidence test is
performed, the hub is not operating
normally due to a fan failure, a power
supply failure, or a confidence test
failure.
Off
Hub is not receiving power.
RPS
Not supported
N/A
N/A
Col
Collision status
Amber
A collision was detected on the
segment.
Off
Collisions are not detected on the
segment.