LevelOne GES-2451 - Manual (Page 12)

6
Power
On The Switch is powered on.
Off The Switch is powered off or power supply is
abnormal.
System
On The switch is working abnormally.
Flashing The switch is working normally.
Off The switch is working abnormally.
Link/Act
On
There is a device linked to the corresponding port
but no activity.
Flashing
The corresponding port is transmitting or
receiving data.
Off
There is no device linked to the corresponding
port.
1000Mbps
On
A 1000Mbps device is connected to the
corresponding port.
Off
A 10/100Mbps device or no device is connected
to the corresponding port.
 10/100/1000Mbps Ports: Designed to connect to the device with a bandwidth of 10Mbps,
100Mbps or 1000Mbps. Each has a corresponding Link/Act LED and a 1000Mbps LED.
 SFP ports: Designed to install the SFP module. GES-2451 features 4 Combo SFP Slots. Port
21~24F shares the same LED with Port 21~24. The Port 21~24F and Port 21~24 are referred
to as “combo” ports, which means they cannot be used simultaneously, otherwise only SFP
ports work. The SFP module supports hot-plugging.
Note:
When using the SFP port with a 100M module or a gigabit module, you need to configure its
corresponding Speed and Duplex mode on Switching
→ Port → Port Config page. For 100M
module, please select 100MFD while select 1000MFD for gigabit module. By default, the Speed
and Duplex mode of SFP port is 1000MFD.
 Reset: Press this button for five seconds or above to reset the software setting back to factory
default settings.
2.3.2 Rear Panel
The rear panel of GES-2451 features a power socket and a Grounding Terminal (marked with ).
Figure 2-2 Rear Panel