Nokia M1112, M1122, MW1112, MW1122, MW1324 User Manual

User Manual

C34300001SE_00

DN01154358 © Nokia Networks Oy 1 (40)
Issue 1-0 en Nokia Proprietary and Confidential

Nokia M/MW Gateways
M1112, M1122, MW1112,
MW1122, MW1324, MW1352

Nokia M/MW Gateways M1112, M1122, MW1112, MW1122, MW1324, MW1352

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The information in this document is subject to change without notice and describes only the
product defined in the introduction of this documentation. This document is intended for the
use of Nokia Networks' customers only for the purposes of the agreement under which the
document is submitted, and no part of it may be reproduced or transmitted in any form or
means without the prior written permission of Nokia Networks. The document has been
prepared to be used by professional and properly trained personnel, and the customer
assumes full responsibility when using it. Nokia Networks welcomes customer comments as
part of the process of continuous development and improvement of the documentation.

The information or statements given in this document concerning the suitability, capacity, or
performance of the mentioned hardware or software products cannot be considered binding
but shall be defined in the agreement made between Nokia Networks and the customer.
However, Nokia Networks has made all reasonable efforts to ensure that the instructions
contained in the document are adequate and free of material errors and omissions. Nokia
Networks will, if necessary, explain issues which may not be covered by the document.

Nokia Networks' liability for any errors in the document is limited to the documentary correction
of errors. Nokia Networks WILL NOT BE RESPONSIBLE IN ANY EVENT FOR ERRORS IN
THIS DOCUMENT OR FOR ANY DAMAGES, INCIDENTAL OR CONSEQUENTIAL
(INCLUDING MONETARY LOSSES), that might arise from the use of this document or the
information in it.

This document and the product it describes are considered protected by copyright according to
the applicable laws.

NOKIA logo is a registered trademark of Nokia Corporation.
Other product names mentioned in this document may be trademarks of their respective

companies, and they are mentioned for identification purposes only.

Copyright © Nokia Networks Oy 2001. All rights reserved.

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Contents

Contents 3

1 About this manual 5

1.1 Purpose of this manual 5

1.2 Models covered in this manual 5

2 Introduction to Nokia M and MW Gateways 7
3 Preparations 9

3.1 What you need to access the Internet 9

3.2 Check the contents of the package 9

3.3 Get acquainted with your gateway's indicator lights and connectors 10

4 Physical installation 13

4.1 Placing the gateway on a table or desk 13

4.2 Installing the gateway on a wall 13

4.3 Connecting the data cables (and WLAN cards) 16

4.4 Installing an external WLAN antenna (MW series only) 17

5 Configuring your PC(s) and gateway for use 19

5.1 Finding out the gateway's IP address or name 19

5.2 Opening a connection to the gateway with a browser 20

5.3 Configuring your computer settings 22

6 Basic WLAN configurations (MW models only) 23

6.1 Changing the wireless LAN settings 23

6.2 Enabling admission control 24

6.3 Enabling wireless encryption 26

7 Troubleshooting 29
Appendix A. Technical specifications 31

A.1 Technical specifications 31

Glossary 35

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About this manual

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Note

1 About this manual

Before using your Nokia M/MW gateway it is important to read the safety
instructions. You find them both on paper and in the CD delivered with the
gateway.

Also, take time to read this User Manual.

1.1 Purpose of this manual

This manual is designed to help you set up your gateway and also make some
basicconfigurations.The configurations needed dependon your service provider.

For configuration, you can use the gateway's web interface.
If a complete configuration and customisation is desired, the command line

interface (CLI) and the CLI commands are to be used.

If your operator/ISP has configured the gateway for you, you need not change the
gateway's settings.

In some cases, however, you must change some of the wireless LAN settings.

1.2 Models covered in this manual

This User Manual covers the following Nokia M and MW models:

• M1112, M1122

• MW1112, MW1122

• MW1324, MW1352

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For readability, all these models are referred to as “gateway”. Similarly, Internet
Service Provider is abbreviated as “ISP”.

The examples given in this manual represent typical operational situations; the
web pagesof your gateway may differfromthem, depending on the configuration
and model of your gateway.

Introduction to Nokia M and MW Gateways

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2 Introduction to Nokia M and MW

Gateways

Nokia M and MW gateways utilise ADSL/SHDSL technology, providing high­speed Internet connections for home users, small offices and telecommuters.

The highly integrated Nokia MW series gateways can support wireless (WLAN)
and Ethernet clients within your local network.

Nokia M series gateways have the same features except that they do not have a
WLAN interface.

MW1324 also supports Home Phoneline (HPNA) function. With HomePNA 2.0,
home networkers are able to use a wide variety of applications at a higher speed
using the existing wiring at home.

Regardless of the LAN interface used for the clients, they all can belong to the
same subnet for seamless networking.

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Figure 1. Product example: Nokia MW1324 and Nokia C111 Wireless

LAN card & antenna (optional)

Preparations

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3 Preparations

You must have all the necessary hardware and software installed before you can
access the Internet with your gateway. See the list below.

3.1 What you need to access the Internet

• Correctly configured PC, equipped with 10Base-T Ethernet Card

• Operational DSL line (contact your ISP to make sure that DSL services are
available)

• User account provided by your ISP

• Nokia M/MW gateway which is configured according to your ISP's
instructions

• All the accessories included in the gateway's sales package

• Web browser (Netscape Navigator, Microsoft Internet Explorer or
equivalent)

• MW models only: If you want to use the wireless feature, you must have
wireless LAN adapters installed in all the computers which will be used in
your wireless network.

• MW1324 only: If you want to utilise the HomePNA feature, you either
need a HomePNA adapter or a preconfigured PC.

3.2 Check the contents of the package

Check that the gateway and the items delivered with it are undamaged.
The package contains the following items:

• Gateway

• Wireless LAN card and antenna (MW series only, optional)

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• DSL line cable

• 10Base-T Ethernet cable
In M models, straight through Ethernet cables are used
In MW models, crossover Ethernet cables are used

• Power cord

• Serial adapter

• User Manual

3.3 Get acquainted with your gateway's indicator
lights and connectors

Indicator lights

There are six (MW1324: seven) indicator lights in the front panel: DSL, HPNA
(MW1324 only), ETH, COL, WLAN, STA and PWR. STA indicator is red. The
other indicators are green.

The indicator lights are located in the gateway's front panel.
Models M1112 and M1122 have four ETH indicator lights (ETH1–ETH4) in the

front panel.

Figure 2. Front panel indicators

DSL

HPNA

ETH

COL

WLAN

STA

PWR

MW1324 only

MW series only

Preparations

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Off ADSL/SHDSL link is down.
Blinks ADSL/SHDSL connection is being established.
On ADSL/SHDSL link is up.

Off No stations detected.
On Stations detected but no traffic.
Blinks Traffic detected at HPNA interface.

Off Ethernet is down.
On 10Base-T Ethernet is functional.
Blinks Traffic detected on Ethernet.

Blinks Collisions on the Ethernet. Note, that it is normal that some

collisions occur on the Ethernet.

Off No stations on the WLAN, or WLAN PC Card not inserted.
On Stations on the WLAN but no traffic.
Blinks Receives traffic through the WLAN interface.

Off OK
On Hardware malfunction.
Blinks The gateway is booting.

Off Power off.
On Power on.

Connectors and power switch

The gateway's power switch, mains connector and data connectors are located in
the back panel. For MW models, see figure 3. For M models, see figure 4.

DSL

GREEN

GREEN

HPNA

(MW1324 only)

ETH

GREEN

COL

GREEN

GREEN

(MW series only)

WLAN

RED

STA

PWR

GREEN

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Figure 3. Back panel, MW models

Figure 4. Back panel, M models

(MW1324 only)

DSL

Power switch

Ethernet

WLAN (PC card)

Command line interface (CLI)

Mains connector

HPNA

DSL

Power switch

Command line interface (CLI)

Mains connector

Ethernet ports
(ETH-1, ETH-2,
ETH-3, ETH-4)

Physical installation

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4 Physical installation

4.1 Placing the gateway on a table or desk

Figure 5. Placing the gateway in a vertical (A) or horizontal (B) position

4.2 Installing the gateway on a wall

The gateway can also be wall mounted. Figure 6 shows the installation procedure.

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WARNING

Depending on the wall material, you may have to drill holes and use plastic plugs
to install the gateway on the wall. Certain wall materials do not require drilled
holes or plugs.

Before drilling and/or fixing the screws, make sure that there are no electric
cables, phone cables, waterpipes or any other objects at the drilling points
insidethewall.Electric cables and telephone cables carry voltageswhichcan
cause dangerous electric shocks.

If drilling holes and the use of plugs are required, do the following:

1. Drill two holes (6 mm in diameter) on the wall. The distance between the
holes must be 155 mm.

2. Insert the plugs into the holes.

3. Fix the screws.

4. Mount the gateway on the wall as shown in Figure 6. Make sure the
gateway is seated firmly.

If drilling and plugs are not required, do the following:

1. Fix the screws on the wall. Do not use plugs. The distance between the
screws must be 155 mm.

2. Mount the gateway on the wall as shown in Figure 6. Make sure the
gateway is seated firmly.

Physical installation

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Figure 6. Wall installation

155 mm

6 mm

1.

2.

If drilled holes are needed,
insert these plugs into the holes.

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WARNING

Note

4.3 Connecting the data cables (and WLAN cards)

Do not connect the gateway's power cord yet!

If you are using WLAN cards, note that the installation procedure described
below only covers the physical installation of the WLAN cards.

Before you can use your gateway's wireless feature, you must first install Nokia
C110/C111 WLAN card software on your computer. The software and
installation guide are delivered with the optional Nokia C110/C111 WLAN card.

Connect the data cables

1. Connect the8-pin Ethernet cable between the computer'sEthernetcard and
the gateway's Ethernet connector located in the gateway's back panel.

Steps 2 and 3 are for MW1324 only.

2. If you useasplitter with your MW1324, connect an additional DSL/HPNA
cable (RJ-12) between the HPNA connector of your MW1324 and a phone
wall socket after the splitter.

If you use a microfilter before each phone, you do not need to install the
additional DSL/HPNA cable. In such a case, leave the HPNA connector
unconnected. (The HPNA signal uses the same cable as ADSL, so no
additional cabling is needed.)

3. Connect each PC in your home network to your home phoneline network
(without microfilters). Your PC's must be equipped with HPNA network
adapters.

4. Connect the 6-pin DSL cable between the gateway's DSL connector and
your DSL phone wall socket.

Physical installation

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MW models only: connect the WLAN cards

1. Insert one WLAN card gently into the card slot located in the back panel of

the gateway.

2. Insert the other WLAN card(s) gently into the WLAN card slot(s) of your

PC(s).

Connect the gateway's power cable

1. Plug the gateway's power cord into the mains connector located in

gateway's back panel.

2. Connect the gateway's power cord plug into an earthed wall mains socket.

3. Switch on the power on your gateway.

Use filters if you want to use telephone and Internet simultaneously

Use in-line filters to block the high-frequency signals (data) from travelling
through the phone cord to your telephone, fax or answering machine. DSL and
HomePNA use the high bandwidth of your telephone line to transmit and receive
data.

Use approved filters only and install them according to the manufacturer's
instructions.

4.4 Installing an external WLAN antenna (MW series
only)

To obtain a better coverage for your wireless network, you can use external
antennas.

With Nokia C111 WLAN card, up to two external antennas can be used.
If you use only one external antenna, connect the external antenna to the right

antenna connector of the wireless LAN card. See figure 7.
Install the external antenna on the wall or on the ceiling according to figure 8. For

further information, refer to the WLAN card User's Guide.

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Figure 7. External antenna connector

Figure 8. External antenna installation

Configuring your PC(s) and gateway for use

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5 Configuring your PC(s) and gateway for

use

This chapter describes briefly the basic configuration of your PC and gateway so
that they can communicate with each other.

You must create a connection between your PC and gateway.
For the connection, you need a browser (Netscape Navigator, Microsoft Internet

Explorer or equivalent).
Once a connection between your gateway and PC is established, you have access

to the gateway's web page.
After you have made all the necessary configurations for your gateway and PC,

you are ready to use the Internet.

Before proceeding, take some time to check that all the cables are properly
connected and that your PC is set up properly.

5.1 Finding out the gateway's IP address or name

The gateway has a web interface with which you can configure the gateway and
view the gateway's web pages.

First, you have to create a connection between your PC and the gateway.
For this, you need to know either the gateway's IP address or the name assigned

to it.

You have two options:

Your ISP has given a fixed IP address for the gateway. Use this address for the
browser connection.

or

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Your gateway uses Dynamic Host Configuration Protocol (DHCP) and Domain
Name Server. In this case the name is M1112, M1122, MW1112, MW1122,
MW1324 or MW1352, depending on the model.

To find out the IP address, you can also run winipcfg.exe (Windows 95/98/Me)
or ipconfig.exe (Windows 2000/NT). See the instructions below.

To find out the IP address in Win95/98/Me

1. Click Start, and then click Run.

2. In the Open box, type:

3. winipcfg (IP dialog box opens)

4. Now the program displays the IP parameters on the screen. Default

Gateway is your gateway's IP address. Use this address for the browser

connection.

To find out the IP address in Windows NT and Windows 2000

1. Click Start , and then click Run.

2. In the Open field, type cmd. A DOS box opens.

3. In the DOS box, type ipconfig.

4. Now the program displays the IP parameters on the screen. The Default

Gateway is your gateway's IP address. Use this address for the browser
connection.

5.2 Opening a connection to the gateway with a
browser

To create a connection, do the following

1. Opentheweb browser (NetscapeNavigator, Microsoft Internet Exploreror
equivalent).

Configuring your PC(s) and gateway for use

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2. Switch on your gateway. The booting takes a few moments during which

some of the gateway's indicator lights blink.
After booting, the PWR and ETH lights should remain lit. If this does not

happen, see Chapter 7 Troubleshooting.

3. Enter the IP address or name of your gateway in the Address (Internet

Explorer) or Location/Go to (Netscape Navigator) field of the browser.
In the example presented in figure 9, Netscape Navigator and the default

gateway address, as shown by the ipconfig command, is used.

Figure 9. Opening a connection to the gateway using an IP address

4. Press Enter on your keyboard.

5. Enter username and password which were provided by your ISP. If no

username/password is required, just click OK to prodeed.

6. The gateway's Main page appears, see figure 10.

You now have a connection between your PC and the gateway.
If the browser does not find the gateway's Main page, see Chapter 7

Troubleshooting.

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Main Page

Figure 10. Main page

5.3 Configuring your computer settings

Usually, all you have to do is make some simple changes in your computer's
network settings. You must make these changes according to your ISP's
instructions.

Basic WLAN configurations (MW models only)

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6 BasicWLAN configurations(MW models

only)

If you are using WLAN, you may have to change some of your wireless network
settings.

You find these settings on the Wireless LAN and WLAN Clients web pages
presented in figures 11 and 12.

If you have purchased your gateway from a store, you may need to make more
configurations. For further information, consult your ISP.

6.1 Changing the wireless LAN settings

On the Wireless LAN page you can change the following settings:

• Network name

• Regulatory domain

• Radio channel

• Transmit power level
You can activate the new settings by clicking the Apply button.
If you want to save the new settings, first go to Save config page and click Save

configuration.

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Figure 11. Wireless LAN page

6.2 Enabling admission control

On the WLAN Clients page you can enable access control based on the MAC
addresses of the wireless LAN clients (that is the PC's or laptops in your wireless
network).

When access control is enabled, only the wireless stations on the client table have
access to your wireless network.

To add a client in the client table, do the following:

1. Choose a name for the wireless client and write it in the Name field. (The
fields used for adding new clients are located next to the Add new button).

2. Write the client's MAC address in the MAC address field. Depending on
your Windows version, refer to the instrustions below on how to find out
the MAC address(es) of the computer(s) in your wireless network.

3. Select the encryption key length from the WEP key length menu. If you
select the key length (that is, your choice is other than “None”), you must
also enter the encryption key.

4. Select the ClienttableMACaddressoptionfromtheAdmissionmethod
pull-down menu.

Basic WLAN configurations (MW models only)

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5. Select the encryption method you want to use for this client from the

Encryptionpull-downmenu.For more information on encryption, refer to
section 6.3.

6. Click the Apply button.

To find out the MAC address in Win95/98/Me

1. Click Start, and then click Run.

2. In the Open box, type:

3. winipcfg (IP dialog box opens)

4. Now the program displays the IP parameters on the screen. The

information you need is “Adapter Address”. Use this address (called MAC
address in your gateway) when creating an access list on WLAN clients
page.

To find out the MAC address in Windows NT and Windows 2000

1. Click Start , and then click Run.

2. In the Open field, type cmd. A DOS box opens.

3. In the DOS box, type ipconfig/all.

4. Now the program displays the IP parameters on the screen. The

information you need is Ethernet adapter´s “Physical Address” . Use this
address (calledMACaddress in your gateway) when creating an access list
on WLAN clients page.

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Figure 12. WLAN clients page

6.3 Enabling wireless encryption

On the WLAN Clients page you can also:

• activate Wired Equivalent Privacy (WEP) encryption

• set the encryption key parameters

It is recommended that you use encryption in your wireless network and use an
encryption key.

Ensure that wireless LAN clients (that is, the wireless devices you want to use in
your network) have the same configuration as the wireless LAN card in the
gateway and that they are in the Infrastructure mode.

Basic WLAN configurations (MW models only)

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When you have set the network name to your wireless client, the wireless
connection is established and the WLAN indicator on the gateway's front panel
lights up.

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Troubleshooting

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WARNING

7 Troubleshooting

This chapter informs you how to correct the most common problems you may
encounter when using your gateway. If you cannot find a solution to the problem,
contact your ISP or the store from which you bought the gateway.

Do not try to repair the gateway yourself. The gateway does not contain any
user-serviceable parts.Donotopenorremovethegatewaycovers.There are
dangerous voltages inside the gateway.

Problems indicated by the front panel lights

Front
panel
light

Status Description Solution

PWR Off Power is off. 1. Switch the power on.

2. Check the power cable.

STA Solid red Hardware malfunction 1. Switch the power off.

2. Pull the power cord out of the wall socket.

3. Contact your ISP's help desk.

Note that during startup the red STA indicator blinks.
This is normal.

WLAN(MW
models
only)

Off No active WLAN

clients (PC's, laptops
etc.) in range

1. Check the WLAN card instructions of the gateway
and of the client.

2. Bring your WLAN client closer to your gateway.

3. Check your WLAN client installation and settings
(radio channel, network name, etc.). See the
WLAN client's user manual for further assistance.

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ETH Off No Ethernet

connection

1. Check that the computer is operating.

2. Check the Ethernet cable. Use the Ethernet cable
provided in the package.

If you have purchased the cable yourself, check
that the cable type is correct:

- M series: straight through type

- MW series: crossover type

HPNA
(MW1324
only)

Off No stations detected 1. Check that the computer is operating.

2. Check the HPNA cabling.

DSL Off DSL link is down It takes 1 to 10 minutes for the DSL line to become

operative.
If the DSL indicator light is off after this period, contact

your ISP's help desk.

Front
panel
light

Status Description Solution

Technical specifications

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Appendix A. Technical specifications

A.1 Technical specifications

Features
ADSL (MW1122, MW1324)

Physical layer ANSI T1.413 Issue 2 (ANSI ADSL), ITU-T G.992.1 (ITU-T ADSL), ITU-T

G.992.2 (G.lite), and ITU-T G.994.1 (Handshake) compatible

ADSL (M1112, MW1112)

Physical layer ETSI TS 101 388 compatible
ADSL line connector(all models) RJ-12

ATM over ADSL (all models except MW1352)

ATM connections PVC, up to 8 virtual circuits for data
Service categories UBR
Encapsulations RFC2684 ETH-LLC, RFC2684 IP-LLC,

RFC2364 PPP-VC, RFC2364 TUNNELLED-PPP-VC, RFC2516 PPPoE­LLC

SHDSL (MW1352 only)

Physical layer ITU-T G.991.2 (ITU-T SHDSL)
SHDSL line connector RJ-12

ATM over SHDSL (MW1352 only)

ATM connections PVC, up to 8 virtual circuits
Service categories UBR
Encapsulations RFC2684 ETH-LLC, RFC2684 IP-LLC, RFC2364 PPP-VC, RFC2364

TUNNELED-PPP-VC, PPPoE-LLC

Ethernet interface

Ethernet 10Base-T, half duplex
Encapsulation DIXv2 (transmit), IEEE 802.3 and DIXv2 (receive)
Ethernet connectors RJ-45

HomePNA 2.0 interface (MW1324 only)

HPNA Half duplex, 4 - 16 Mbit/s
Modes HPNA 1.0, 1.1 and 2.0 specifications data rates up to 16 Mbit/s

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Encapsulation Ethernet compatible
Connector RJ-12

Wireless LAN interface (MW models only)

Wireless LAN IEEE 802.11b DSSS
Data connector PC Card slot type 2

Routing

Routing protocols RIPv1, RIPv2, and static routes
Other NAPT, IGMP proxy, DHCP server, DHCP relay, DHCP client, DNS relay,

PPTP local tunnelling, PPPoE client
Class of Service Weighted fair queueing
Firewall Stateful inspection firewall

Bridging

Bridging Self-learning bridge, bridges between all interfaces. Possibility to disable

bridging between WAN interfaces.
MAC table 1024 entries
Class of Service Weighted fair queueing

Command line interface (CLI) for local management

Physical layer Electrically RS-232, TxD, RxD and GND signals
Data format Asynchronous, 8+no parity + 1 stop bit (8-N-1)
Bit rate 9600 bps
Flow control None
CLI connector RJ-45

Dedicated ATM management channel

Service categories UBR
Encapsulations RFC2684 ETH-LLC, RFC2684 IP-LLC, RFC2364 PPP-VC
IP addressing Statically configured

Through IPCP when PPP over ATM is used
Routing Static routes

RIPv1, RIPv2
Management protocols Telnet/TCP/IP for command line interface,

TFTP/UDP/IP for software and configuration download, HTTP/web server

Management through payload

Management protocols Telnet/TCP/IP for command line interface,

TFTP/UDP/IP for software and configuration download, HTTP/web server

Technical specifications

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Indicator lights

DSL ADSL line status
HPNA (MW1324 only) HomePNA activity and status
ETH Ethernet activity and status
COL Ethernet collision
WLAN WLAN activity and status
STA M/MW startup
PWR Power on

Mechanical construction and power supply

Width 255 mm
Height 65 mm
Depth 230 mm
Weight 1 kg

Mains connection

Voltage 100 Vrms-240 Vrms AC (nominal values)
Frequency 50/60 Hz
Power consumption 10 W

Ambient confitions, EMC and safety

Operating temperature 5 to 45°C
Humidity 10% to 90%, non-condensing

EMC

M/MW complies with the following specifications provided that the device is connected to an earthed socket
outlet.

Emission EN55022: 1998 class B
Immunity EN55024: 1998
EMC EN300286–2: 1997, FCC part 15 class B
Overvoltage ITU-T K.21, FCC PART 68

Safety

Safety EN 60950, UL 1950, 3rd edition

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Glossary
Abbreviations

ADSL Asymmetric Digital Subscriber Line
ANSI American National Standards Institute
ATM Asynchronous Transfer Mode
CHAP Challenge Handshake Authentication Protocol
CLI Command Line Interface
COL Collision
CoS Class of Service
DHCP Dynamic Host Configuration Protocol
DNS Domain Name Server
DNS Domain Name System
DSL Digital Subscriber Line
EMC Electromagnetic Compatibility
ETH Ethernet
ETSI European Telecommunications Standards Institute
FCC Federal Communications Commission
FTP File Transfer Protocol
HPNA Home Phone Line Network Alliance
HTTP HyperText Transfer Protocol
ICMP Internet Control Message Protocol
IGMP Internet Group Management Protocol
IP Internet Protocol
IPCP Internet Protocol Control Protocol
ISDN Integrated Services Digital Network
ISP Internet Service Provider

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ITU-T International Telecommunication Union - Telecommunication Standardization

Sector
LAN Local Area Network
LLC Logical Link Control
MAC Media Access Control
NAPT Network Address and Port Translation
PAP Password Authentication Protocol
PPP Point-to-Point Protocol
PPPoE PPP over Ethernet
PPTP Point-to-Point Tunnelling Protocol
PVC Permanent Virtual Circuit
PWR Power
RFC Request For Comments
RIP Routing Information Protocol
SHDSL Single pair High bit rate Digital Subscriber Line
SIF Stateful Inspection Firewall
SNMP Simple Network Management Protocol
STA Status
TCP Transmission Control Protocol
TC-PAM Trellis Coded Pulse Amplitude Modulation.
TFTP Trivial File Transfer Protocol
UBR Unspecified Bit Rate
UDP User Datagram Protocol
VCC Virtual Channel Connection
VPN Virtual Private Network
WAN Wide Area Network

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WEP Wired Equivalent Privacy
WFQ Weighted Fair Queueing
WLAN Wireless Local Area Network
WWW World Wide Web

Terms

10Base-T 10 Mbit/s Ethernet LAN specification using two pairs of twisted cabling. 10Base-

T is a part of the IEEE 802.3 specification.
Authentication Determining the identity of a user that is attempting to access a network.
Asymmetric digital

subscriber line,
ADSL

High-speed transmission technology using existing copper telephone lines. Data

is transmitted in general from a server to a user.

Bridge Device or software that transmits data from a source network to a destination

network. These two networks normally use the same protocol.
Broadcast Transmitting data to everyone on the network. Rf. multicast.
Command line

interface, CLI

Character-based man-machine interface for configuring a device.

Digital subscriber
line, xDSL

Generic abbreviation for various different DSL types. For example ADSL,

HDSL, SDSL, and VDSL.
Domain name

server, DNS

Server used on the Internet for translating names of network nodes into IP

addresses. A name server lets users access networks nodes by name instead of

having to remember IP address numbers.
Domain name

system, DNS

System containing domain name servers.

Encapsulation Method for using multiple protocols within the same network. This is done by

enclosing a data unit of one protocol into a data unit of another protocol.
Encryption For data security, transforming data into an unreadable form to prevent any but

the intended receiver from reading it.
Encryption key Character or bit sequence which is used for encryption, decryption or

authentication of data.
Ethernet Localarea network that connects devices like computers, printers, and terminals.

Ethernet operates over twisted-pair or coaxial cable.
Gateway Device or software inan information network which links two networks that use

differents communications protocols.

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HomePNA, HPNA Technology for the home network based on Ethernet and using existing phone

lines. Voice and data travel on the same wires without interfering with each other.

IP address Numerical identification individualising a device connected to the Internet or a

network. For example 192.168.1.2.

Local area network,
LAN

Data transmission network covering a small area, for example a flat or a house.
Usually based on Ethernet technology.

MAC address Unique fixed address of a piece of hardware, normally set at the time of

manufacture and used in LAN protocols.

Multicast Transmitting data to a select group of recipients at the same time, for example

sending an e-mail message to a mailing list. Rf. broadcast.

Network address
port translation,
NAPT

Method by which IP addresses and translating transport identifiers (for example
TCP and UDP port numbers, ICMP query identifiers) are mapped from one
address realm to another, providing transparent routing to end hosts.

Packet Internet
Groper, ping

Program used to test whether a particular network destination is accessible, by
sending an ICMP (Internet control message protocol) echo request and waiting

for a response. Ping is used primarily to troubleshoot Internet connections.
Ping See Packet Internet Groper.
Proxy server Server which retrieves information from the Internet and stores the information

that users frequently use to speed up the retrieval. For example, in using the web

the proxy server speeds up the downloading of those web pages located behind

slow or congested network connections.
Request for

comments, RFC

Document series which describes the Internet suite of protocols and related

experiments.
Router Device or software which transmits data from a source network to a destination

network in accordance with an address.
Single pair high bit

rate digital
subscriber line,
SHDSL

High-speed transmission technology using existing copper telephone lines.

Stateful inspection
firewall, SIF

Firewall which provides access control at the network layer by inspecting the

contents of incoming packets and accepting or rejecting them depending upon

their content.
Subnet mask Numerical indentification used to determine what subnetwork an IP address

belongs to, for example 255.255.255.0.
Tunnelling Technique to improve the rate, reliability, and security of transmission in a

network by creating for transmission a permanent connection, called tunnel,

which is often secured by encryption.

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Unspecifiedbit rate,
UBR

Quality of service QoS where there are no guarantees in terms of data loss rate
and delay. UBR is very efficient, but not used for critical data.

Vbridge Gateway/bridgemanagement interface used as a bridge host interface or gateway

interface depending on the operation mode On the gateway's web pages, the
VBRIDGE is called gateway or bridge IP interface.

Virtual private
network, VPN

Network which is constructed by using a public information network and which
uses encryption. The terminal equipment can be situated all over the world but
they function as if they were connected to a local area network LAN.

Weighted fair
queueing, WFQ

Traffic management technique which controls transmissionbandwidthallocation
determined by the bandwidth needed for the traffic flow.

Wide area network,
WAN

Data communications network that serves users across a broad geographic area.

Wi-Fi, Wireless
Fidelity

Wireless LAN standard (IEEE 802.11b) developed to maximise multi-vendor
interoperability as well as to introduce a variety of performance improvements
and benefits to the wireless networking technology.

Wired equivalent
privacy, WEP

Security protocol used to provide data security by encrypting data over radio
waves. The WEP is defined in IEEE 802.11 standard and it is designed to provide
the same level of security as that of a wired LAN.

WirelessLANCard,
Nokia C111

Card which enables to wirelessly connect compatible laptop computers, hand­held devices, desktop PCs, and other devices with a type II or II PC card slot to a
wired local area network through an access point.

Wireless local area
network, WLAN

Local area network using wireless connections as transmission path.

WLAN clients The wireless devices (for example PC's and laptops) inside your wireless

network.

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