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CHAPTER 4
TROUBLE SHOOTING
The Failure phenomenon and solution
Failure phenomenon
Solution
SYS Indicator off
Pls make sure the PoE module connection is
right. POE Port connect with CPE, LAN port
connect with computer
Can’t land to CPE through Web page
Pls check the IP address of computer and CPE
to see whether they are in same networking
segment, The method is click “start”-“Run”
“input““cmd”, ping 192.168.1.1 to test the CPE
connectivity.
Reset CPE and load it again;
Pls make sure the IP address 192.168.1.1 is not
occupied by other device in CPE’s networking;
Check computer and cable problem, recom-
mend to use 10/100M UTP unshielded cable;
Clean up Arp binding from “Start”-“Run”
input“cmd” arp –d
Clean the IE Brower’s temporary files and
Cache file;
CPE can’t connect with AP
(the status display unconnected)
Try to scan the avaliable wireless networking
again;
Make sure the CPE’s wireless standard (11b/
g/n, 5.8G)is correct;
The Security and passwords are matched
between CPE and AP;
The signal strength of AP is too weak to con-
nect, should be more than -75dBm;
Can’t scan the wireless AP
Scan it several times more;
Make sure there are 5G signal existed.
Reset the CPE, scan it again after CPE restart;
