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Type
Hub power supply status
Hub status
Not used
Collision
status
Network utilization
This shows the LED matrix on the Express hub.
Pwr
Stat RPS
Col
1
Media Adapter
Port Status
1
2
3
4
13
14
15
16
LED matrix on the Express hub
Label
Color
Pwr
Green
Off
Stat
Green
Amber
Off
RPS
N/A
Col
Amber
Off
Data %
Blinking
green
Solid green
100BASE-T Hub
1
5
10
20
35
Data %
Expansion Slot
Stat
Mstr
Management
5
6
7
8
9
10
11
17
18
19
20
21
22
23
Meaning
Hub is receiving AC power.
Hub is not receiving AC power.
Hub is powered, has passed the confidence test, and
is operating normally.
At initial power up, this LED lights to indicate the
hub is running its confidence test. If this LED lights
after the confidence test is performed, it indicates the
hub is not operating normally due to a fan failure, a
hub power supply failure, or a confidence test failure.
Hub is not receiving power.
N/A
A collision event has been detected.
Collisions are not detected on the segment.
The ≤1% LED blinks green to indicate there is traffic
on the segment that is utilizing less than 1% of the
network.
The Data % LEDs light solid green to indicate the
percentage of the network utilization for the Ethernet
segment in a standalone hub or a stack of hubs. These
LEDs operate as a bar graph to provide you with a
continuous indication of the network utilization. For
example, if the 1% and 5% Data LED light green, the
Ethernet segment in that stack of hubs is utilizing 5%
of the network.
50
Stat
Enbl
12
24
5897
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