ZyXEL LTE7485-S905 User Guide - Page 184
Internet Access
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Chapter 28 Troubleshooting 1 Make sure you have entered the user name and password correctly. The default user name is admin. These fields are case-sensitive, so make sure [Caps Lock] is not on. 2 You cannot log in to the Web Configurator while someone is using Telnet to access the Zyxel Device. Log out of the Zyxel Device in the other session, or ask the person who is logged in to log out. 3 Turn the Zyxel Device off and on. 4 If this does not work, you have to reset the Zyxel Device to its factory default. See Section 26.2 on page 177. I cannot use FTP, Telnet, SSH or Ping to access the Zyxel Device. See the Remote Management Chapter 21 on page 161 for details on allowing web services (such as HTTP, HTTPS, FTP, Telnet, SSH and Ping) to access the Zyxel Device. Check the server Port number field for the web service in the Maintenance > Remote Management screen. You must use the same port number in order to use that web service for remote management. 28.4 Internet Access I cannot access the Internet. 1 Check the hardware connections and make sure the LEDs are behaving as expected. See the Quick Start Guide and Section 1.5.1 on page 17. 2 Check the SIM card. Maybe it has wrong settings (refer to Section 6.4 on page 66), the account has expired, it became loose (remove and reinsert it - refer to the Quick Start Guide) or it's missing (stolen). See Section 28.6 on page 186 for possible SIM card problems. 3 Make sure you entered your ISP account information correctly. These fields are case-sensitive, so make sure [Caps Lock] is not on. 4 If the problem continues, contact your ISP. I cannot access the Internet anymore. I had access to the Internet (with the Zyxel Device), but my Internet connection is not available anymore. 1 Check the hardware connections (refer to the Quick Start Guide). 2 Turn the Zyxel Device off and on. 3 If the problem continues, contact your ISP. LTE Series User's Guide 184