Console Port; Table 19-3 Troubleshooting 100 Led; Table 19-4 Troubleshooting Fd/Col Led; Table 19-5 Troubleshooting Console Port - ZyXEL Communications Dimension ES-2008 User Manual

Ethernet switch
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Dimension ES-2008 Ethernet Switch
STEPS
1
Check the connection between the switch and your Ethernet device(s).
2
Check that the port is enabled.
3
Make sure you're using the correct table type and that the distance between the
switch and the device does not exceed 100 meters.
19.1.4 The FD/COL LED
Use this LED to check the duplex mode of the attached Ethernet device.
STEPS
The Ethernet device is connected at full-duplex mode if the FD/COL LED is
1
yellow.
2
The Ethernet device is connected at half-duplex mode when the FD/COL LED is
off.
3
Make sure you have the correct speed and flow control enabled for each port.
Refer to the Port Control chapter.
3
This LED blinks if packet collisions are occurring. Collisions are normal, but if the
FD/COL LED blinks very frequently, you may need to segment your network.

19.2 Console Port

I cannot access the switch through the console port.
STEPS
1
Check to see if the switch is connected to your computer using the RS-232 cable.
2
Check to see if the communications program
is configured correctly. Set the
communication parameters as stated here.
19-2

Table 19-3 Troubleshooting 100 LED

CORRECTIVE ACTION

Table 19-4 Troubleshooting FD/COL LED

CORRECTIVE ACTION

Table 19-5 Troubleshooting Console Port

CORRECTIVE ACTION
Emulation: auto detect
Baud Rate: 9600 bps
No Parity, 8 data bits, 1 stop bit
Flow Control: None
Troubleshooting

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