Universal Scientific Industrial AP-AG-AT-01, User Manual

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Chapter 4 Troubleshooting
If you have trouble using the Wireless LAN Access Point, the starting point
to troubleshoot the problem you’re your Access Point is looking at the LED
activity of the Access Point. The following is “LED Error Table” provided to
assist you in diagnosing and solving operational problems.
PWR LAN WLAN Description Action Note
If you are still unable to solve the problem by checking the LED activity, the
error may be caused from configuration mismatch, which prevents the
Access Point from establishing a wireless connection with the network. You
may check the following to ensure normal operation of the Inter-Building
Access Point.

WEP keys:
If data encryption is activated, always remember to set WEP
keys exactly the same on the Access Point as are on the wireless stations.
 Access Control: Make sure that the MAC address of your Inter -Building
Access Point is not included in the Access Control table of other wireless
devices.