3Com Corporation WL311 Manual De Usuario
39
5
Troubleshooting Bridge Problems
If your 3Com Wireless Building-to-Building Bridge is not operating properly, make sure the
bridge is running the latest firmware, and use this guide before contacting 3Com
Customer Support through the 3Com Customer Support Web site:
bridge is running the latest firmware, and use this guide before contacting 3Com
Customer Support through the 3Com Customer Support Web site:
http://support.3com.com
Upgrading Firmware
If you have any trouble with your bridge unit, go first to the Web site shown below and
download the latest version of the 3Com Wireless Building-to-Building Bridge firmware.
You can find firmware upgrades at the 3Com Customer Support Web site:
http://support.3com.com
download the latest version of the 3Com Wireless Building-to-Building Bridge firmware.
You can find firmware upgrades at the 3Com Customer Support Web site:
http://support.3com.com
See “Updating the Bridge Firmware” on page 30 for detailed instructions.
Diagnosing Problems
Error Indicator
Problem
Solution
The Power LED is off or the
power light is blinking.
power light is blinking.
The wireless bridge is not
receiving power properly.
receiving power properly.
Verify that all physical connections are securely in place. Contact Customer
Support if the problem persists.
Support if the problem persists.
The Alert LED is on.
There is a configuration or
software alert condition.
software alert condition.
Check the System Event Log to determine the cause. (See “Event Log” on
page 33.) See the Event Log Error Table for details. Use the Clear Event Log
option to clear the event log and turn off the Alert LED.
page 33.) See the Event Log Error Table for details. Use the Clear Event Log
option to clear the event log and turn off the Alert LED.
The wireless bridge is
connected to an Ethernet
cable, but the Ethernet link
LED is not on.
connected to an Ethernet
cable, but the Ethernet link
LED is not on.
There is an invalid
connection to Ethernet.
connection to Ethernet.
Verify that both ends of the cable are plugged in securely. If the wireless
bridge is attached to a hub, a crossover Ethernet cable must be used. If the
bridge is attached directly to an Ethernet device (for example, a PC or
Ethernet printer), it must be a straight-through cable. Verify that you are
using the correct cable. If you are using the correct cable, verify that you
are connecting the bridge to a 10BASE-T Ethernet device. The wireless
bridge does not support 100BASE-T.
bridge is attached to a hub, a crossover Ethernet cable must be used. If the
bridge is attached directly to an Ethernet device (for example, a PC or
Ethernet printer), it must be a straight-through cable. Verify that you are
using the correct cable. If you are using the correct cable, verify that you
are connecting the bridge to a 10BASE-T Ethernet device. The wireless
bridge does not support 100BASE-T.
The Wireless LED is off and
the Alert LED is off.
the Alert LED is off.
The bridge is not linking to
other bridges.
other bridges.
Verify that the WLAN service area name is set to match the WLAN service
area names of the other bridges in the network. Verify that the antenna
cable is firmly attached to the SMA port on the bridge and to the
connector of the antenna.
area names of the other bridges in the network. Verify that the antenna
cable is firmly attached to the SMA port on the bridge and to the
connector of the antenna.
If you are using flat-panel antennas, verify that the panel faces are parallel:
the panel faces must be directly facing each other.
the panel faces must be directly facing each other.