E-Lins H685m Series Bedienungsanleitung PDF herunterladen (Seite 96)

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B. sim card balance no available;

2. WAN APN parameter is wrong Check APN parameter of WAN port, then make

it correct and try

3 Network unstable problem Try later, or move to other network to try.

4 Module modem inside router setting

wrong by uncertain operation

Tell the module modem type (marked at the

back cover of router) to technical support for

help.

5 Module modem inside router only

support 2G or 3G only

Need contact sales for replacement or repair

4.15 H820 Router is online, but cannot visit website.

Problem maybe:

Item. May caused by Solution

1 DNS problem Check the DNS server of H820 is correct. The

DNS is from the ISP once H820 is online.

Sometimes the ISP not give the right DNS

server IP, you can try to set correct DNS

manually at your PC or Device network card.

2. SIM card business problem Check APN parameter of WAN port, then make

it correct and try. Double confirm with the

ISP/Carrier if the sim card info is 100% correct.

Try to change another sim card to try.

3 Signal is too weak Too weak signal may cause all the DNS

resolution fails. Try to get better signal.

4 Network is too bad Contact ISP/Carrier to get better network

4.16 Port forwarding not working

Question: I configure the port forwarding feature correctly, but still no work.

Answer: first, please check the port if block by your ISP/Carrier, because some ISP/Carrier block some ports for

security reason.

For example, the H685m gets WAN IP 27.38.14.223. And the H820’s web port is 80. So from the other network,

try to visit http:// 27.38.14.223:80 if can be okay. If no okay, it means the ISP/Carrier blocks the 10000 port. Then

check with your ISP/Carrier which ports are open for use. Then re-try the port forwarding feature.

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E-Lins H685m Series Bedienungsanleitung Seite 96