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P-660R-Tx v2 Series User’s Guide
Chapter 1 Getting To Know Your ZyXEL Device 26
• Supports OAM F4/F5 loop-back, AIS and RDI OAM cells
Other PPPoE Features
• PPPoE idle time out
• PPPoE Dial on Demand
Diagnostics Capabilities
The ZyXEL Device can perform self-diagnostic tests. These tests check the integrity of the
following circuitry:
• FLASH memory
• ADSL circuitry
•RAM
• LAN port
Packet Filters
The ZyXEL Device's packet filtering functions allows added network security and
management.
Ease of Installation
Your ZyXEL Device is designed for quick, intuitive and easy installation.
Housing
Your ZyXEL Device's compact and ventilated housing minimizes space requirements making
it easy to position anywhere in your busy office.
1.2 Applications for the ZyXEL Device
Here are some example uses for which the ZyXEL Device is well suited.
1.2.1 Internet Access
The ZyXEL Device is the ideal high-speed Internet access solution. Your ZyXEL Device
supports the TCP/IP protocol, which the Internet uses exclusively. It is compatible with all
major ADSL DSLAM (Digital Subscriber Line Access Multiplexer) providers. A DSLAM is
a rack of ADSL line cards with data multiplexed into a backbone network interface/connection
(for example, T1, OC3, DS3, ATM or Frame Relay). Think of it as the equivalent of a modem
rack for ADSL. A typical Internet access application is shown below.