ZyXEL Communications MAX218M, Support Note

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910 "ARQTX reset retries exhausted"
911 "ARQRX reset retries exhausted"
912 "Retries of the TFTP_CPLT message have exhausted"
913 "TFTP_RSP error"
914 "Secondary management complete message response is fail"
915 "UL sleep control subheader retries exhausted"
916 "Scanning failure"
917 "MOB_SLP-REQ retries exhausted"
918 "Invalid MTK-Authorized Device Certificate"
34.
What to check if we are facing a Ranging error?
Make sure your username and password or the certificates are all correct.
Also make sure the RSSI and CINR are not too low, weak signal is another cause of
ranging errors.
35.
How to check SBC-REQ/REG-REQ/DSA-REQ message from trace log?
You can get the PHY log using the UDT tool.