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Module (Optional):
There are 2 X 1000T(MDU-0140), 2 X mini GBIC(MDU-0142)
modules available for the LevelOne GSW-2491TXM.
LED Indicators
The LED Indicators gives real-time information of systematic operation status. The
following table provides descriptions of LED status and their meaning.
Figure 2-2. LED indicators
LED Status Description
Green Power On
Power
Off Power is not connected
Green The port is connecting with the device.
Blinks The port is receiving or transmitting data.
LNK/ACT
Off No device attached.
Orange The port is operating in Full-duplex mode.
Blinks Collision of Packets occurs in the port.
FDX/COL
Off In half-duplex mode
Table 2-1. The Description of LED Indicators
Rear Panel
The 3-pronged power plug and Ventilation fan are located at the rear Panel of the