MA5680T(config-mvlan10)# igmp multicast-vlan member service-port 27
Chapter 5 FAQ
2. Q: All indicators are not lit?
A: (1) Power is off or power adapter is bad.
(2) Indicator LED switch is turned off.
3. 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.
4. 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.
5. Q: PC can’t visit web UI?
A: (1) PC and ONU 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: ONU stops to work after working for some time.
A: (1) Power supply is not working properly.
(2) The device overheats.