2LAN+1POTS+WiFi Dual Mode HGU USER MANUAL
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Chapter 5 FAQ
1.
Q: All indicators are not lit?
A: (1) Power is off or power adapter is bad.
(2) Indicator LED switch is turned off.
2.
Q: Why Los indicator flashes?
A: (1) There is no optical signal. Maybe the fiber is broke down or connection loosened.
(2) Optical power is too low.
(3) The fiber is dusty.
3.
Q: LAN indicators are not lit?
A: (1) Indicator LED switch is turned off.
(2) The cable breaks down or connection loosened.
(3) The cable type incorrect or too long.
4.
Q: FXS indicators are not lit?
A: (1) Indicator LED switch is turned off.
(2) SIP accounts aren’t registered.
5.
Q: PC can’t visit web UI?
A: (1) PC and HGU are not in the same network fragment. By default, LAN IP is
192.168.1.1/24.
(2) The cable breaks down.
(3) IP conflict or have loopback.
6.
Q: User can’t surf the Internet normally.
A: (1) PC has set a wrong IP and gateway or network is bad.
(2) There is loopback or attack in network.
(3) Route mode WAN connection doesn’t get an IP or DNS is disabled.
7.
Q: Customer can’t use the VoIP service.
A: (1) The phone or the wire is damaged.
(2) SIP accounts aren’t registered.
(3) Dial plan is wrong.
8.
Q: HGU stops to work after working for some time.
A: (1) Power supply is not working properly.
(2) The device overheats.
