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45.4 Internet Problems
I cannot access the Internet.
Check the hardware connections and make sure the LEDs are behaving as expected. See the Quick
1
Start Guide.
Check the SIM card. Maybe it has wrong settings, the account has expired, it needs to be removed and
2
reinserted (refer to the Quick Start Guide), or it is missing. See
card problems.
Make sure you entered your ISP account information correctly on the Network Setting > Broadband
3
screen. Fields on this screen are case-sensitive, so make sure [Caps Lock] is not on.
For models that have optional dual LAN/WAN ports, make sure you converted the LAN port to a WAN
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port by clicking Enable on the Network Setting > Broadband > Ethernet WAN screen. Then make sure you
have the Ethernet WAN port connected to a modem or router.If you are trying to access the Internet
wirelessly, make sure that you enabled the WiFi in the Zyxel Device and your WiFi client and that the WiFi
settings in the WiFi client are the same as the settings in the Zyxel Device.
Disconnect all the cables from your device and reconnect them.
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If the problem continues, contact your ISP.
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I cannot connect to the Internet using an Ethernet/Fiber connection.
WAN connection on the Fiber/SFP port
1
Make sure the Fiber/SFP port has a compatible SFP/SFP+ transceiver installed with a fiber/Ethernet cable
connected to it.
WAN connection on the Ethernet WAN port
Make sure you have the Ethernet WAN port connected to a Modem or Router.
WAN connection on the DSL port
Make sure you have the DSL port connected to the DSL or MODEM jack on a splitter or your telephone
jack.
Make sure you configured a proper Ethernet WAN interface (Network Setting > Broadband screen) with
2
the Internet account information provided by your ISP and that it is enabled.
Check that the WAN interface you are connected to is in the same interface group as the Ethernet
3
connection (Network Setting > Interface Group).
If you set up a WAN connection using bridging service, make sure you turn off the DHCP feature in the
4
Network Setting > Home Networking > LAN Setup screen to have the clients get WAN IP addresses
directly from your ISP's DHCP server.
Chapter 45 Troubleshooting
AX/DX/EX/PX Series User's Guide
422
Section 45.6 on page 424
for possible SIM
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Table of Contents
Troubleshooting
