2-2
The LED indicators of the Dual-Speed Hub includes Master, Power
Collision, Link/RX, Utilization, 100M, and Partition.
Figure 2.3 LED indicators of 16-Port Dual-Speed Hub
Master
The LED is ON when the device is master mode.
Power
The LED is ON when the Hub is turned on.
Collision
The LED is ON when the collision is occurred.
Link/RX
The LED is ON when the Hub is connected.
The LED is flashing when the data is received.
Utilization
These LEDs display the utilization percentages in 5%,
15%, 25%, 35%, and 55%.
100M
The LED is ON when the linking status is at 100Mbps.
Partition
The LED is ON when a port on the Hub is malfunc-
tioning. The faulty ports are automatically isolated by
the Hub. When the port recovers, however, the Partition
LED will return to the normal status.
Function
on flash off
LED Indicators
Total
Number
Figure 2.4 LED indicators of 24-Port Dual-Speed Hub
♦
LED Indicators of 16-Port Dual-Speed Hub
LED Color
Master
Green
1
Master Mode
¢w
¢w
¢w
¢w
¢w
Slave mode
Power Green 1 Power on
¢w
¢w
¢w
¢w
¢w
Power off
Collision Yellow 2 Collision
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
Link/RX Green 16 Link
RX
¢w
¢w
¢w
¢w
¢w
Partition Red 15 Partition
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
FDX Green 1 FDX mode HDX mode
Utilization
100M Green 16 100Mbps
¢w
¢w
¢w
¢w
¢w
1
1
1
1
1
0
0
0
0
0
M
M
M
M
M
b
b
b
b
b
p
p
p
p
p
s
s
s
s
s
5% Green 2 5% Traffic load
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
15% Green 2 15% Traffic load
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
25% Green 2 25% Traffic load
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
35% Yellow 2 35% Traffic load
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
55% Red 2 55% Traffic load
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
¢w
Rear Panel
The rear panel of 16 Port Dual-Speed Hub consists of Stack Port, Power
Socket, and Power Switch.
Figure 2.5 Rear Panel of 16-Port Dual-Speed Hub
Stack Port
To connect two hubs and build 100M and 10M devices
working together.
Power Socket
Plug the power cord into this socket.
Power Switch
To turn the power on or off.
16
15
14
13
12
11
10
17
23 24
19 20 21 23 22
2-3
