ZyXEL P-663H-51 Betriebsanweisung

Chapter 1 Introducing the ZyXEL Device

P-663H-51 User’s Guide

You can also use the ZyXEL Device to connect two geographically dispersed networks over 
the ADSL line. A typical LAN-to-LAN application example is shown as follows.

Figure 2   LAN-to-LAN Application Example

The ZyXEL Device is compatible with the ADSL/ADSL2/ADSL2+ standards. Using 
ADSL2+, the ZyXEL Device can attain a maximum downstream rate of about 44 Mbps.

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The standard your ISP supports determines the maximum upstream and 
downstream speeds attainable. Actual speeds attained also depend on the 
distance from your ISP, line quality, etc.

Use any of the following methods to manage the ZyXEL Device.

• Web Configurator. Use this for everyday management of the ZyXEL Device using a 

(supported) web browser.

• SNMP. The device can be monitored by an SNMP manager. See the SNMP chapter in this 

User’s Guide.

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.

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This is the theoretical maximum rate under ideal conditions.