C
H A P T E R
Introducing the ZyXEL Device
This chapter introduces the main applications and features of the ZyXEL Device. It also
introduces the ways you can manage the ZyXEL Device.
1.1 Overview
The P-660RU-Tx v3 is an ADSL2+ router. By integrating DSL and NAT, you are provided
with ease of installation and high-speed, shared Internet access. Provided with both USB and
Ethernet ports, computers can share local resources (such as printers and files) and access to
the Internet - simultaneously.
Models ending in "1", for example P-660RU-T1, denote a device that works over the analog
telephone system, POTS (Plain Old Telephone Service). Models ending in "3" denote a device
that works over ISDN (Integrated Services Digital Network) or T-ISDN (UR-2).
Only use firmware for your ZyXEL Device's specific model. Refer to the label
on the bottom of your ZyXEL Device.
All screens displayed in this user's guide are from the P-660RU-T1 v3 model.
See the product specifications for a full list of features.
1.2 Ways to Manage the ZyXEL Device
Use any of the following methods to manage the ZyXEL Device.
• 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.
P-660RU-Tx v3 User's Guide
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