ZyXEL Deutschland GmbH.
Adenauerstr. 20/A2 D-52146
Wuerselen, Germany
Customer Support v
Prestige 645M-A1 ADSL Bridge
Table of Contents
Copyright....................................................................................................................................................... ii
ZyXEL Limited Warranty........................................................................................................................... iii
Federal Communications Commission (FCC) Interference Statement....................................................iv
List of Figures.................................................................................................................................................x
List of Tables................................................................................................................................................ xii
Preface......................................................................................................................................................... xiii
What Is DSL? ...............................................................................................................................................xv
Chapter 1 Getting to Know Your Prestige
1.1Prestige 645M ADSL Internet Access Bridge Overview ............................................................. 1-1
1.2Features of the Prestige 645M...................................................................................................... 1-1
1.3Applications for the Prestige 645M..............................................................................................1-2
2.10.1Procedure to Configure Menu 1 .........................................................................................2-11
Chapter 3 Internet Access.......................................................................................................................... 3-1
Table 2-1 Front Panel LED Description....................................................................................................... 2-1
Table 2-2 Main Menu Commands................................................................................................................ 2-9
Table 2-3 SMT Main Menu........................................................................................................................ 2-10
Table 2-4 General Setup............................................................................................................................. 2-12
Table 8-3 Troubleshooting the ADSL connection ........................................................................................8-2
Table 8-4 Troubleshooting the LAN Interface ............................................................................................. 8-2
Table 8-5 Troubleshooting a Connection to a Remote Node or ISP............................................................. 8-3
xii List of Tables
Prestige 645M-A1 ADSL Bridge
Preface
About This User's Guide
This user's guide covers all aspects of the Prestige’s operations and shows you how to get the best out
of the multiple advanced features of your ADSL Bridge using the SMT. It is designed to
guide you through the correct configuration of your Prestige for various applications.
Related Documentation
Supporting Disk
More detailed information and examples can be found in our included disk (as well as on the
zyxel.com web site). This disk contains information on configuring your Prestige for Internet
Access, general and advanced FAQs, Application Notes, Troubleshooting, a reference for CI
Commands and bundled software.
Read Me First
Our Read Me First is designed to help you get up and running right away. It contains a detailed
easy-to-follow connection diagram, default settings, handy checklists and information on setting
up your network and configuring for Internet access.
ZyXEL Web Site
The ZyXEL download library at www.zyxel.com
Please also refer to www.zyxel.com
Syntax Conventions
• “Type” means for you to type one or more characters and press the carriage return. “Select” or
“Choose” means for you to use one predefined choices.
• The SMT menu titles and labels are in Bold Times New Roman font. Predefined field choices are in
Bold Arial font. Command and arrow keys are enclosed in square brackets. [ENTER] means the
Enter, or carriage return key; [ESC] means the Escape key and [SPACE BAR] means the Space Bar.
• For brevity’s sake, we will use “e.g.,” as a shorthand for “for instance”, and “i.e.,” for “that is” or “in
other words” throughout this manual.
Preface xiii
for an online glossary of networking terms.
contains additional support documentation.
Prestige 645M-A1 ADSL Bridge
• The Prestige 645M-A1 ADSL Bridge may be referred to as the P645M or the Prestige in this user’s
guide.
The following section offers some background information on DSL. Skip to
Chapter 1 if you wish to begin working with your Prestige right away.
xiv Preface
Prestige 645M-A1 ADSL Bridge
What Is DSL?
DSL (Digital Subscriber Line) technology enhances the data capacity of the existing twisted-pair wire that
runs between the local telephone company switching offices and most homes and offices. While the wire
itself can handle higher frequencies, the telephone switching equipment is designed to cut off signals above
4,000 Hz to filter noise off the voice line, but now everybody is searching for ways to get more bandwidth to
improve access to the Web - hence DSL technologies.
There are actually seven types of DSL service, ranging in speeds from 16 Kbits/sec to 52 Mbits/sec. The
services are either symmetrical (traffic flows at the same speed in both directions), or asymmetrical (the
downstream capacity is higher than the upstream capacity). Asymmetrical services (ADSL) are suitable for
Internet users because more information is usually downloaded than uploaded. For example, a simple button
click in a web browser can start an extended download that includes graphics and text.
As data rates increase, the carrying distance decreases. That means that users who are beyond a certain
distance from the telephone company’s central office may not be able to obtain the higher speeds.
A DSL connection is a point-to-point dedicated circuit, meaning that the link is always up and there is no
dialing required.
What is ADSL?
It is an asymmetrical technology, meaning that the downstream data rate is much higher than the upstream
data rate. As mentioned, this works well for a typical Internet session in which more information is
downloaded, for example, from Web servers, than is uploaded. ADSL operates in a frequency range that is
above the frequency range of voice services, so the two systems can operate over the same cable.
What Is ADSL? xv
Getting Started
PPaarrtt II::
Getting Started
This part covers Getting to Know Your Prestige, Hardware Installation and Setup and Internet
Access.
I
Prestige 645M-A1 ADSL Bridge
Chapter 1
Getting to Know Your Prestige
This chapter describes the key features and applications of
1.1 Prestige 645M ADSL Internet Access Bridge Overview
Your Prestige integrates a high-speed 10/100Mbps auto-negotiating LAN interface and a high-speed ADSL
port into a single package. The Prestige is ideal for high-speed Internet browsing and making LAN-to-LAN
connections to remote networks.
1.2 Features of the Prestige 645M
Your Prestige is packed with a number of features that give it the flexibility to provide a complete Internet
access solution for almost any user.
Ease of Installation
Your Prestige is designed for quick, intuitive and easy installation. Physically, its compact size and lightness
make it easy to position anywhere in your busy office.
your ADSL Internet Access Bridge.
High Speed Internet Access
The P645M ADSL bridge can support downstream transmission rates of up to 8Mbps and upstream
transmission rates of 800 Kbps.
10/100Mbps Fast Ethernet LAN Interface
The P645M's 10/100M LAN interface enables fast data transfers of 10Mbps or 100Mbps in either half-duplex
or full-duplex mode depending on your Ethernet network.
Protocols Supported
♦ TCP/IP (Transmission Control Protocol/Internet Protocol) network layer protocol.
Getting to Know Your Prestige 1-1
Prestige 645M-A1 ADSL Bridge
♦ PPP (Point-to-Point Protocol) link layer protocol.
Networking Compatibility
Your Prestige is compatible with the major ADSL DSLAM (Digital Subscriber Line Access Multiplexer)
providers, making configuration as simple as possible for you.
Multiplexing
The P645M supports VC-based and LLC-based multiplexing.
Encapsulation
The Prestige 645M supports PPP (RFC 2364 - PPP over ATM Adaptation Layer 5) and RFC 1483
encapsulation over ATM.
Full Network Management
♦ SMT (System Management Terminal) through a telnet connection.
PAP and CHAP Security
The Prestige supports PAP (Password Authentication Protocol) and CHAP (Challenge Handshake
Authentication Protocol). CHAP is more secure since the password is scrambled prior to transmission.
However, PAP is readily available on more platforms.
Filters
The Prestige's packet filtering functions allow added network security and management.
Reset Button
The Prestige comes with a reset button built into the rear panel. Use this button to restore the factory default
password to 1234, IP address to 192.168.1.1 and the subnet mask to 255.255.255.0.
1.3 Applications for the Prestige 645M
1.3.1 Internet Access
1-2 Getting to Know Your Prestige
Prestige 645M-A1 ADSL Bridge
The Prestige is the ideal high-speed Internet access solution. Your Prestige supports the TCP/IP protocol,
which the Internet uses exclusively. It is compatible with all major ADSL DSLAM providers. A DSLAM is a
rack of ADSL line cards with data multiplexed into a backbone network interface/connection (e.g., 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.
Figure 1-1 Internet Access Application
Getting to Know Your Prestige 1-3
Prestige 645M-A1 ADSL Bridge
Chapter 2
Hardware Installation & Initial Setup
This chapter describes the physical features and cable connections of the Prestige and how to access
and use the SMT interface for configuration
2.1 Front Panel LEDs of the Prestige
The LED indicators on the front panel indicate the operational status of the Prestige
Figure 2-1 Prestige Front Panel
.
The table below describes the status of the front panel LEDs.
Table 2-1 Front Panel LED Description
LED
PWR Green On The Prestige is receiving power.
Off The Prestige is not receiving power.
SYS Green On The Prestige is functioning properly.
Blinking The Prestige is rebooting.
Off The Prestige is not ready or has malfunctioned.
Red On Dying gasp action. The power to the Prestige is too low.
LAN 10M Green On The Prestige has a successful 10Mb Ethernet connection.
Blinking The Prestige is receiving or sending data.
Off No device is connected at 10Mb.
Hardware Installation & Initial Setup 2-1
COLOR STATUS DESCRIPTION
Prestige 645M-A1 ADSL Bridge
Table 2-1 Front Panel LED Description
LED
LAN 100M Orange On The Prestige has a successful 100Mb Ethernet connection.
Blinking The Prestige is receiving or sending data.
Off No device is connected at 100Mb.
ADSL Green
COLOR STATUS DESCRIPTION
On The Prestige is linked successfully to a DSLAM.
Blinking The Prestige is initializing the DSL line.
Off The DSL link is down.
Blinking The Prestige is receiving or sending data. ACT Green
Off The Prestige is ready but not sending or receiving data.
2.2 Rear Panel and Connections
The following figure shows the rear panel connectors of your Prestige.
Figure 2-2 Rear Panel Connections
2.2.1 DSL Port
Connect the Prestige directly to the wall jack using the included DSL cable. Connect a microfilter(s) between
the wall jack and your telephone(s). A microfilter acts as low-pass filter (voice transmission takes place in the
0 to 4KHz bandwidth) and is an optional purchase.
2-2 Hardware Installation & Initial Setup
Prestige 645M-A1 ADSL Bridge
2.2.2 One Auto-sensing, Auto-negotiating LAN 10/100M Port
Ethernet 10Base-T/100Base-T networks use Shielded Twisted Pair (STP) cable with RJ-45 that look like a
bigger telephone plug with 8 pins. The LAN port is auto-sensing, so you may use a crossover or a straightthrough Ethernet cable to connect your Prestige to a computer or an external hub.
The auto-negotiating feature allows the Prestige to detect the speed of incoming transmissions and adjust
appropriately without manual intervention. It allows data transfer of either 10 Mbps or 100 Mbps in either halfduplex or full-duplex mode depending on your Ethernet network.
When the Prestige is on and properly connected to a computer or a hub, the LAN
LED on the front panel turns on.
2.2.3 Using the Reset Button
Resetting the Prestige deletes your entire custom configuration.
Restore the default configuration file by holding this button in for more than five seconds.
2.2.4 Making the Connections
Step 1. Connecting the DSL line
Connect the RJ-11 DSL port on the Prestige to the POTS splitter using the included DSL cable (telephone
wire). Connect the micro filter(s) (optional– see 2.5 Telephone Microfilters) between the wall jack and your
telephone(s). The micro filters act as low pass filters (voice transmission takes place in the 0 to 4KHz
bandwidth).
Step 2. Connecting a computer or an external hub to the Prestige’s 10/100M LAN port
Be careful not to plug an RJ-11 connector into the RJ-45 port.
Step 3. Connecting the power adapter to your Prestige
Make sure that you use the supplied power adapter. See Power Adapter Specifications
appendix for information.
Connect the power adapter to the port labeled POWER on the rear panel of your Prestige.
Hardware Installation & Initial Setup 2-3
Prestige 645M-A1 ADSL Bridge
2.3 Additional Installation Requirements
A computer must have a properly installed and enabled Ethernet 10Base-T/100Base-T NIC.
A computer equipped with a web browser (with JavaScript enabled) and/or Telnet.
2.4 Connecting the POTS Splitter
This is for the Prestige that follows the Full Rate (G.dmt) standard only. One major difference between ADSL
and dial-up modems is the optional telephone splitter. This device keeps the telephone and ADSL signals
separated, giving them the capability to provide simultaneous Internet access and telephone service on the
same line. Splitters also eliminate the destructive interference conditions caused by telephone sets. The
purchase of a POTS splitter is optional.
Noise generated from a telephone in the same frequency range as the ADSL signal can be disruptive to the
ADSL signal. In addition, the impedance of a telephone when off-hook may be so low that it shunts the
strength of the ADSL signal. When a POTS splitter is installed at the entry point, where the line comes into the
home, it will filter the telephone signals before combining the ADSL and telephone signals transmitted and
received. The issues of noise and impedance are eliminated with a single POTS splitter installation.
A telephone splitter is easy to install as shown in the following figure.
2-4 Hardware Installation & Initial Setup
Prestige 645M-A1 ADSL Bridge
Figure 2-3 Connecting a POTS Splitter
Step 1. Connect the side labeled “Phone” to your telephone.
Step 2. Connect the side labeled “Modem” to your Prestige.
Step 3. Connect the side labeled “Line” to the telephone wall jack.
2.5 Telephone Microfilters
Telephone voice transmissions take place in the lower frequency range, 0 - 4KHz, while ADSL transmissions
take place in the higher bandwidth range, above 4KHz. A microfilter acts as a low-pass filter, for your
telephone, to ensure that ADSL transmissions do not interfere with your telephone voice transmissions. The
purchase of a telephone microfilter is optional.
Step 1. Connect a phone cable from the wall jack to the single jack end of the Y- Connector.
Step 2. Connect a cable from the double jack end of the Y-Connector to the “wall side” of the microfilter.
Step 3. Connect another cable from the double jack end of the Y-Connector to the Prestige.
Connect the “phone side” of the microfilter to your telephone as shown in the following figure.
Hardware Installation & Initial Setup 2-5
Prestige 645M-A1 ADSL Bridge
Figure 2-4 Connecting the Microfilter
2.6 Turning On Your Prestige
At this point, you should have connected the ADSL line, the Ethernet port and the power port to the
appropriate devices or lines. Push in the power button (located on the back of your Prestige) to turn on your
Prestige.
2.7 Configuring Your Prestige For Internet Access
Configure your Prestige for Internet access using:
SMT (System Management Terminal). Access the SMT via LAN or WAN using Telnet.
2.7.1 Connect to your Prestige Using Telnet
The following procedure details how to telnet into your Prestige.
Step 1. In Windows, click Start (usually in the bottom left corner), Run and then type “telnet 192.168.1.1”
(the default IP address) and click OK.
Step 2. Enter “1234” (the default) in the Password field.
Step 3. After entering the password you will see the main menu.
Please note that if there is no activity for longer than five minutes (default timeout period) after you log in,
your Prestige will automatically log you out. You will then have to telnet into the Prestige again.
2.7.2 Entering Password
The login screen appears after you press [ENTER], prompting you to enter the password, as shown next.
2-6 Hardware Installation & Initial Setup
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