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Chapter 1 Introducing the ZyXEL Device
P-2612HNU-Fx User’s Guide
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• Web Configurator. This is recommended for everyday management of the
ZyXEL Device using a (supported) web browser.
• Command Line Interface. Line commands are mostly used for troubleshooting
by service engineers.
• FTP for firmware upgrades and configuration backup/restore.
1.4 Good Habits for Managing the ZyXEL Device
Do the following things regularly to make the ZyXEL Device more secure and to
manage the ZyXEL Device more effectively.
• Change the password. Use a password that’s not easy to guess and that
consists of different types of characters, such as numbers and letters.
• Write down the password and put it in a safe place.
• Back up the configuration (and make sure you know how to restore it).
Restoring an earlier working configuration may be useful if the device becomes
unstable or even crashes. If you forget your password, you will have to reset
the ZyXEL Device to its factory default settings. If you backed up an earlier
configuration file, you would not have to totally re-configure the ZyXEL Device.
You could simply restore your last configuration.
1.5 LEDs (Lights)
The following graphic displays the labels of the LEDs.
Figure 4 LEDs on the Top of the Device
None of the LEDs are on if the ZyXEL Device is not receiving power.
Table 1 LED Descriptions
LED COLOR STATUS DESCRIPTION
POWER Green On The ZyXEL Device is receiving power and ready for use.
Red On The ZyXEL Device detected an error while self-testing, or
there is a device malfunction.
Off The ZyXEL Device is not receiving power.