Chapter 24 Troubleshooting

I cannot use FTP to upload / download the configuration file. / I cannot use FTP to upload new firmware.

See the troubleshooting suggestions for I cannot see or access the Login screen in the web configurator. Ignore the suggestions about your browser.

I cannot access the P-870HN-51D again after configuring a new interface group.

Make sure your computer is connected to a LAN port in the default group. Otherwise, you need to use the P-870HN-51D’s LAN IP address for the new group to access the P-870HN-51D again.

24.3 Internet Access

I cannot access the Internet.

1Check the hardware connections, and make sure the LEDs are behaving as expected. See the Quick Start Guide and Section 1.5 on page 23.

2Make sure you entered your ISP account information correctly in the WAN screens. These fields are case-sensitive, so make sure [Caps Lock] is not on.

3If you are trying to access the Internet wirelessly, make sure the wireless settings in the wireless client are the same as the settings in the AP.

4Disconnect all the cables from your device, and follow the directions in the Quick Start Guide again.

5If the problem continues, contact your ISP.

I cannot access the Internet through a DSL connection.

1Check if you set the DSL/WAN switch (on the back of the P-2812HNU-51c) to the DSL side to have the P-870HN-51D use the DSL port for Internet access.

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P-870HN-51D User’s Guide