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Hub LEDs
The 140T hub LEDs are located above and below the port LEDs. These
LEDs indicate the condition of the power supply, collisions per segment,
and the amount of traffic per segment.
®
Intel
Express 140T
Standalone Hub
i
R
LED
Power
Collisions 10Mbps
Collisions 100Mbps
Traffic% (1-50+)
Segment Traffic
The traffic bar graphs (located below the port LEDs) provide a quick
reference on the current traffic load relative to the total available 10Mbps or
100Mbps network bandwidth. The graphs display a measure of the
percentage of bandwidth used on the respective network segment. Typically,
a segment showing more than 30% utilization indicates an overloaded
network.
The traffic percentage is determined by counting all data packets, whether
the packets are valid or not.
Collisions
Power
10Mbps
1
2
3
4
5
Port
9
10
11
12
13
Activity
1
2
3
4
5
Port
9
10
11
12
13
Speed
10Mbps
1
5
10
30
40
50+
Status
Meaning
On
Hub is receiving power.
Off
Hub is not receiving power.
Blinking
Collisions detected on 10Mbps segment.
Blinking
Collisions detected on 100Mbps segment.
On
Gives an approximation of the traffic in
the 10Mbps or 100Mbps segments.
Off
No network traffic on segment.
100Mbps
6
7
8
Solid green = Link
Blinking green = Activity
14
15
16
Orange = Autodisabled
6
7
8
Solid Green = 100Mbps
14
15
16
Off = 10Mbps
100Mbps
Traffic %
1
5
10
30
40
50+
5
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