7
Green The port is connecting with the device.
Blinks The port is receiving or transmitting data.
LK/ACT
Off
No device attached.
Yellow The port is operating in Full-duplex mode.
Blinks Collision of Packets occurs in the port.
FD/COL
Off
No device attached or in half-duplex mode .
Table 2-1. The Descriptions of LED Indicators
Rear Panel
The 3-pronged power plug, On/off Switch are located at the Rear
Panel of the LevelOne GSW-2490TXM SNMP Switch. ( The
Ventilation fan is located on the side of the Switch ). The Switch will
work with AC in the range 100-240V AC, 50-60Hz.
Figure 2-3. The Rear Panel of the LevelOne GSW-2490TXM SNMP
Switch
Power On
After all network cables are connected, plug the power cord into the
power socket on the back panel and the other end into a power
outlet. Turn the power On using the power Switch on the back
panel.
Check the front panel Power indicator to see if power is properly
supplied. The Switch uses a universal power supply that requires no
additional adjustment.
Diagnostic Test
After the installation is completed and AC power is applied to the
Switch, the system will automatically perform a diagnostic test.
When the Power LED is on within 5 seconds, the Diagnostic status
