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NetComm
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NB3300
User Manual
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NetComm NB3300 User Manual

Contents
Default Settings & Facts ............................................................................................................... 3
Resetting ................................................................................................................................. 3
Power ...................................................................................................................................... 3
NetComm ADSL Modem Router Quick Start ................................................................................. 4
One page setup for most ADSL services. ............................................................................. 4
Introduction ....................................................................................................................................6
1-1 What is xDSL .................................................................................................................... 8
1-2 Contents of the NetComm ADSL Modem Router Package .............................................. 8
1-3 Features of the NetComm ADSL Modem Router ............................................................. 8
Chapter 2: Hardware Installation & Setup .................................................................................. 10
2-1 Rear Panel & Connections .............................................................................................. 10
2-2 Front Panel LEDs ............................................................................................................11
2-3 What is a Micro filter for? .............................................................................................. 12
2-3 System Requirements and Setup ................................................................................... 13
Chapter 3: Internet Access ......................................................................................................... 18
3-1 Prepare your network information ................................................................................. 18
3-2 Web-based User Interface ............................................................................................ 19
3-3 Initial Configuration – Setup ............................................................................................20
Chapter 4: Advanced Applications ............................................................................................. 25
4-1 DHCP Configuration ........................................................................................................ 25
4-2 Access Control ............................................................................................................... 25
4-3 Port Forwarding Settings ...............................................................................................28
4-4 Special Application .........................................................................................................29
4-5 Dynamic Routing .............................................................................................................30
4-6 Static Routing .................................................................................................................. 31
4-7 Administration Settings ................................................................................................... 32
4-8 Status Monitor ................................................................................................................. 33
4-9 DMZ Host ........................................................................................................................ 34
4-10 Log ................................................................................................................................ 34
4-11 VPN Passthrough ......................................................................................................... 35
Chapter 5: Macintosh Setup ........................................................................................................ 36
5-1 Hardware Connections .................................................................................................. 36
5-2 Computer Network Configuration ................................................................................... 36
5-3 NetComm ADSL Modem Router Configuration ............................................................... 37
5-4 Adding NetComm ADSL Modem Router to an Existing Network ................................... 37
Chapter 6: Trouble Shooting ....................................................................................................... 38
Hardware .............................................................................................................................. 38
Client Side (Computers) ........................................................................................................ 39
Appendix A: Frequently Asked Questions ................................................................................. 40
Appendix B: Technical Specifications ........................................................................................42
Appendix C: Glossary ................................................................................................................. 43
Appendix D: Registering your NetComm Product ....................................................................... 46
Contact Information ...............................................................................................................46
Product Warranty .................................................................................................................. 46
Limitations of Warranty .........................................................................................................47
www.netcomm.com.au Rev.1 - YML632 Page 2 ADSL Modem Router

Default Settings & Facts

The following lists the default settings of your NetComm ADSL Modem Router.
Note: It is highly recommended that you enable security settings in the router before
connecting your router to your network.
Router
LAN IP: 192.168.1.1
Username: <none>
Password: admin
WAN port: ADSL only (built inADSL modem)

Resetting

While using or installing your NetComm ADSL Modem Router you may need to utilise the
reset feature. There are two types of reset:
Soft
A soft reset will restart the unit and reconnect to the internet using the settings stored previously, none of your settings are deleted. To perform a soft reset briefly press the reset button on the back of the unit.
Hard
A hard reset will return your unit to its factory default setting, meaning that you will loose all configurations and logs set/stored previously. To perform a hard reset press and hold in the reset button on the back of the unit for 10 seconds.

Power

Ensure that you only use the Power Adaptor supplied (5V DC, 3amps, Center pole positive)
with your NetComm ADSL Modem Router.
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NetComm ADSL Modem Router Quick Start

The following Quick Start pages are intended to be used by an advanced user to quickly configure the NetComm ADSL Modem Router. It assumes that you are familiar with TCP/IP Networking. If you need further explanation please refer to the more detailed sections of this document. This guide also presumes that your NetComm ADSL Modem Router is set to factory defaults (See Resetting on previous page if required).

One page setup for most ADSL services.

1. Connect your computer to one of the four LAN ports on the NetComm ADSL Modem
Router and ensure you have a link. Connect your ADSL modem (supplied by your ISP) to
the WAN port of the NetComm ADSL Modem Router.
2. Set the Network Card of your computer to use DHCP or assign it an IP address in the range
of 192.168.1.2 ~ 254.
3. Open a web browser (ensuring that it is set to access the Internet via the LAN not by a dial-
up networking account). Browse to the NetComm ADSL Modem Router's default IP
(192.168.1.1). The main menu of the router should open displaying the “One Page Setup”.
Note: You may be prompted for a log-in, there is no User Name and the Password is
"admin".
4. Change your “WAN Connection Type” to “PPPoE (ADSL)”.
5. Set your “User Name” and “Password” as provided by your ISP.
6. If you wish to make services available to external Internet users, even when you are not
using Internet services from inside your network, you can choose “Keep Alive”.
Alternatively for extra security you can choose “Connect on Demand”.
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7. Click “Apply”. Your NetComm ADSL Modem Routerwill attempt to use your settings to connect to your ISP. You can check the results on the “Status Monitor” page.
8. If you have a DHCP server already active on your network it is recommended that you disable either the NetComm ADSL Modem Router's built in DHCP server or the existing DHCP server. Please note that Microsoft Internet Connection Sharing is a DHCP server.
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Introduction

Congratulations on your purchase of the NetComm ADSL Modem Router. The ADSL Modem Router is the perfect solution for connecting a small group of computers to a high-speed Broadband Internet connection or to a remote LAN via an ADSL line. The ADSL Modem Router supports a maximum downstream data transmission rate of 8Mbps and an upstream rate of 640Kbps. Configured as a DHCP server, the ADSL Switch Router assigns an IP Address to every connected computer and acts as the only externally recognized Internet device on your Local Area Network (LAN). With built-in NAT, the ADSL Modem Router serves as an Internet firewall, protecting your network from access by outside users and can also be configured to block internal users’ access to the Internet.
Unlike other routers, which often only share 10Mbps over all of their connections, the NetComm ADSL Modem Router is equipped with a 4-port 10M/100Mbps auto-sensing switch, dedicating a possible100Mbps to each and every ethernet connected computer. Not only will all of your computers be able to enjoy lightning-fast Broadband Internet connections, but they will also be able to share internal network data at high speed.
With a web-based UI (User Interface), this NetComm ADSL Modem Router is easy to setup and maintain via web browsers such as Netscape Communicator and Internet Explorer.
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About this Guide
This guide contains information about installing and configuring your NetComm ADSL Modem Router. It is designed to guide users through the correct setup procedures for both hardware installation and basic configuration. Later, it shows how to complete advanced configuration to get the best operating performance from the NetComm ADSL Modem Router.
Chapter 1: Get to know your NetComm ADSL Modem Router
This chapter describes the package contents and provides a list of features of the NetComm ADSL Modem Router.
Chapter 2: Hardware Installation & Setup
This chapter describes the steps for hardware installation of the NetComm ADSL Modem Router.
Chapter 3: Internet Access
This chapter describes the steps for basic configuration and start up of the NetComm ADSL Modem Router.
Chapter 4: Advanced Applications
This chapter describes how to configure advanced functions in order to get the most from your NetComm ADSL Modem Router.
Chapter 5: Macintosh Setup
This Chapter provides instructions on how to set up Macintosh computers in your network.
Chapter 6: Trouble Shooting
This chapter describes potential problems you may run into and the suggested remedies.
Conventions
The following explains the conventions used throughout this document.
Italics New words, terms, or special emphasis. E.g. Getting to
know your NetComm ADSL Modem Router.
“Boldface” Buttons, checkboxes, or items that you can select from
screens, menus, or dialog boxes. E.g. Click “OK” to restart
Boldface Italics Items in Bold Italics are samples only and you should enter
other names, numbers, or words to substitute.
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Chapter 1: Getting to know your NetComm ADSL Modem Router

This chapter describes the package contents and provides a list of features of the NetComm ADSL Modem Router.

1-1 What is xDSL

DSL (Digital Subscriber Line) refers to a technology used to increase the data capacity of standard twisted-pair wires that are generally used to connect most households to the phone network. In addition, this technology allows simultaneous voice and high-speed data transmission over a single pair of telephone wires.
There are seven kinds of DSL service, each with its own compromises between speed, distance, cost, and reliability. These services are either symmetrical (data flows at the same speed in both directions), or asymmetrical (the downstream capacity is higher than the upstream capacity).
What is ADSL?
Asymmetric Digital Subscriber Line (ADSL), as it’s name indicates, is an asymmetrical data trasmission technology with higher traffic rates downstream and lower traffic rates upstream. It is suitable for Internet users because information is usually downloaded more often than uploaded, such as when surfing the web or downloading files.

1-2 Contents of the NetComm ADSL Modem Router Package

After carefully unpacking the shipping carton, check the contents listed below:
■ NetComm ADSL Modem Router
■ Power Adapter - 5VDC 3A Center Pole Positive
■ This Manual

1-3 Features of the NetComm ADSL Modem Router

Your NetComm ADSL Modem Router contains the following features:
■ Asymmetrical data rates of up to 8,000kbps downstream and 640kbps upstream.
■ Supports ITU G.dmt, ITU G.lite, and ANSI T1.413 issue 2 standards.
■ Integrates four 10/100BASE-T/TX auto-sensing switch ports.
■ Uses NAT to allow all of your network’s computers to connect to the Internet using only
one public IP address.
■ Supports PPPoE to connect to ISPs.
■ Built-in web-based user interface for easy configuration and management through common
web browsers like Netscape or Internet Explorer.
■ Supports DHCP client to use either a dynamic IP Address or a fixed IP Address from your
ISP.
■ Built-in DHCP server to automatically assign and manage LAN IP addresses.
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■ Allows administrators to block specific LAN users from accessing specified applications or
services.
■ Allows external Internet users to access information from an internal computer (Virtual
Server or Port Forwarding).
■ Provides unrestricted two-way communication between one computer on your LAN and
certain Internet services like conferencing, video and gaming applications.
■ Enhances routing performance by using Dynamic or Static routing.
■ Allows administrators to change WAN MAC address.
■ Compatible with all popular Internet applications.
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Chapter 2: Hardware Installation & Setup

This chapter provides information about your NetComm ADSL Modem Router’s physical
features and gives step-by-step installation instructions.

2-1 Rear Panel & Connections

The following figure shows the rear view of the NetComm ADSL Modem Router and illustrates how the cables connect to the interfaces on the rear panel.
■ Plug one end of the UTP cable into the WAN port, the other into the the other into the wall
jack that is connected to the ADSL service.
■ Connect a computer, with a Network Interface Card installed, to one of the four LAN Ports.
■ Connect the external power supply to the NetComm ADSL Modem Router.
■ Port 4 can cascade to another network device (usually a hub or switch). Make sure the slide
switch is in “X” mode when connecting to an MDI-X port.
■ The Reset button is used to reboot the device - press once quickly, or for clearing
configuration settings back to factory default values - press for longer than 3 seconds.
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2-2 Front Panel LEDs

The following figure shows the front view of the NetComm ADSL Modem Router.
The LEDs on the front panel indicate the status of the unit.
Power: Green On when power is on.
Diag: Red Lights up during system check when the power is initially
connected. If the Router is working properly, the light should switch off after the diagnostic has been completed.
ADSL port
Link: Green Blinking when ADSL line is training.
On when ADSL line is ready.
Activity: Yellow Blinking when data is being received/transmitted through ADSL
line.
LAN ports
Link/ACT: Yellow On when link is up and operating at 10Mbps.
Green On when link is up and operating at 100Mbps.
Yellow/ Green Blinking when data is being received/transmitted through the
LAN port.
FD/COL: Green On when operating at full duplex mode (10/100M).
Blinking when a collision is occurring on the port.
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2-3 What is a Micro filter for?

Micro filters are used to prevent common telephone equipment, such as phones, answering machines and fax machines, from interfering with your ADSL service. If your ADSL enabled phone line is being used with any other equipment other than your ADSL Router then you will need to use one micro filter for each phone device.
Splitters may be installed when your ADSL line is installed or when your current phone line is upgraded to ADSL. If your telephone line is already split you will not need to use a microfilter
- check with your ADSL service provider if you are not sure.
Each micro filter is connected in-line with your telephone or fax machine so that all signals pass through it. Telephones and/or facsimiles in other rooms that are using the same extension will also require microfilters. The following diagram gives an example of connecting your ADSL Modem/Router using a Microfilter.
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2-3 System Requirements and Setup

To connect to the Internet, an ADSL enabled phone line and an Internet access account from an ISP are required. In order to operate with the ADSL Modem Router, each computer that is to be connected to the ADSL Modem Router should have the following items installed:
1. Ethernet NIC (Network Interface Card: a 10Base-T or 10/100Base-T/TX Ethernet card).
2. Standard twisted-pair Ethernet cable (UTP network cable) with RJ-45 connectors.
3. System OS: Windows 95, Windows 98, Windows NT4.0, Windows 2000, Windows Me, Windows XP, or Macintosh
4. TCP/IP network protocol.
5. Web browser, such as Microsoft Internet Explorer or Netscape Navigator.
Installing the TCP/IP Protocol in Windows
If you are not sure whether the TCP/IP Protocol has been installed, follow these steps to check, and if necessary, install TCP/IP onto your computer.
1. Click the “Start” button. Choose “Settings”, then “Control Panel”.
Double-click the “Network” icon. Your Network window should appear.
Select the “Configuration” tab.
Note: For Windows 2000 & Windows XP the settings can be reached by
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Click the “Local Area Connection” icon on the right bottom side of your desktop screen.
In the “Local Area Connection Status” window, click “Properties” button then
your Network window will appear.
2. Check whether the TCP/IP Protocol has already been installed and bound to your Network Interface Card.
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- If yes, go to step 7.
- If no, click the “Add” button.
3. Double-click “Protocol” on the Select Network Component Type or highlight “Protocol”
then click “Add”.
4. Highlight “Microsoft” under the list of manufacturers.
Double-click “TCP/IP” from the list on the right or highlight “TCP/IP” then click “OK” to install TCP/IP.
5. After a few seconds, you will be brought back to the Network window. The TCP/IP
Protocol should now be on the list of installed network components (refer to point 2).
6. Click the “Properties” button.
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