3 led indicators – LevelOne GSW-2457 User Manual
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5
GSW-1657/2457
Gigabit Ehternet Switch User's Guide
Figure 3-2 GSW-2457 Switch Rear Panel sketch
3.3 LED Indicators
The LED indicators include Power, FAN, Link/Act and 1000Mbps LED
indicators, which are used for monitoring and pre-troubleshooting of the
Switch. The following section shows the LED indicators for the switch
along with an explanation of each indicator.
Figure 3-3 GSW-2457 Switch LEDs sketch
Power LED: This indicator will light solid red when the Switch
¾
powers up. If the LED is not lit, please check the power supply and
connection.
FAN LED: This indicator will light solid green when the corresponding
¾
cooling fan works properly.
Link/Act LED: This indicator will light solid green when the
¾
corresponding port is connected to another device and will flash
green when data is being transmitted or received on the working
connection.
1000Mbps LED: This indicator will light solid green when the
¾
corresponding port is connected to a 1000Mbps device.
1 00 - 24 0 V ~ 50 -6 0 H z 0 .6 A
POWER
2
4
6
8
1
3
5
7
9
11
13
15
10
12
14
16
20
17
19
21
23
18
22
24
FAN
10 12 14 16
9 11 13 15
18 20 22 24
17 19 21 23
Link
Link
Act
Act
1000Mbps
1000Mbps
2
4
6
8
1
3
5
7