3Com OfficeConnect 3CRWE454A72, Руководство пользователя

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52 C
HAPTER
5: T
ROUBLESHOOTING
Access Point then try initiating a search manually if the client software
supports this feature or manually set the channel on your wireless
computer to correspond to the Access Point channel number. Please
refer to your Wireless computer adapter documentation and vendor
to do this.
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Speed of connection: The 802.11a/b/g standards will automatically
choose the best speed depending on the quality of your connection.
As the signal quality weakens then the speed falls back to a lower
speed. In general the closer you are to the Access Point the better the
speed. If you are not achieving the speed you had anticipated then try
moving the antenna on the Access Point or moving the Wireless
computer closer to the Access Point. In an ideal network the Access
Point should be located in the centre of the network with Wireless
computers distributed around it. Applications are generally available
with the computer wireless card to carry out a site survey. Use this
application to find the optimal siting for your wireless computer.
Consult your Wireless Card documentation and vendor for more
details.
Alert LED
The Alert LED will flash when the Access Point unit is first powered up
while the system software checks the hardware for proper operation.
Once the Access Point has started normal operation, the Alert LED will go
out.
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If the Alert LED does not go out following start up, but illuminates
continuously, this indicates that the software has detected a possible
fault with the hardware. Remove power from the Access Point, wait
10 seconds and then re-apply power. If the Alert LED comes on
continuously again, then a fault has been detected. Locate the copy of
the Access Point software on the 3Com web site
(
http://www.3com.com ) and upload it to the Access Point to see if this
clears the fault (refer to “Recovering from Corrupted Software”
below). If this does not fix the problem, contact your supplier for
further advice.
Recovering from
Corrupted Software
If the Alert LED remains permanently on following power-up, it is possible
that the system software has become corrupted. In this condition, the
Access Point will enter a “recovery” state. Follow the instructions below
to upload a new copy of the system software to a Access Point unit in this
state.