TRENDnet TEW-435BRM User Manual
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TRENDnet TEW-435BRM User Manual

802.11g wireless adsl router, 802.11g/802.11b wireless access point, adsl modem, nat router, 4-port switching hub
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TEW-435BRM
802.11g Wireless

ADSL Router

802.11g/802.11b Wireless Access Point
ADSL Modem
NAT Router
4-Port Switching Hub
User's Guide

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Summary of Contents for TRENDnet TEW-435BRM

  • Page 1: Adsl Router

    TEW-435BRM 802.11g Wireless ADSL Router 802.11g/802.11b Wireless Access Point ADSL Modem NAT Router 4-Port Switching Hub User's Guide...

  • Page 2: Table Of Contents

    CHAPTER 1 INTRODUCTION ... 1 TEW-435BRM Features ... 1 Package Contents ... 3 Physical Details... 4 CHAPTER 2 INSTALLATION... 6 Requirements... 6 Procedure ... 6 CHAPTER 3 SETUP ... 8 Overview ... 8 Configuration Program ... 9 Setup Wizard ... 10 Home Screen ...
  • Page 3 Modes ... 75 BSS/ESS... 75 Channels... 76 WEP... 76 Wireless LAN Configuration... 76 APPENDIX C SPECIFICATIONS ... 77 Multi-Function TEW-435BRM... 77 Wireless Interface... 77 Regulatory Approvals ... 78 P/N: 9560MV0037 Copyright  2003. All Rights Reserved. Document Version: 1.2 All trademarks and trade names are the properties of their respective owners.

  • Page 4: Chapter 1 Introduction

    Internet Access Features • Shared Internet Access. through the TEW-435BRM, using only a single external IP Address. The local (invalid) IP Addresses are hidden from external sources. This process is called NAT (Network Ad- dress Translation). •...

  • Page 5: Advanced Internet Functions

    LAN. • DHCP Server Support. address to PCs and other devices upon request. The TEW-435BRM can act as a DHCP Server for devices on your local LAN and WLAN. On the Internet (WAN port) connection, the TEW-...

  • Page 6: Package Contents

    Use your WEB browser from anywhere on the LAN or WLAN for configu- ration. • Configuration File Upload/Download. the TEW-435BRM to your PC, and restore (upload) a previously-saved configuration file to the TEW-435BRM. • Remote Management. And, if the Internet connection exists, it can also (optionally) be configured via the Inter- net.

  • Page 7: Physical Details

    Wireless ADSL Router User Guide Physical Details Front-mounted LEDs Power LED On - Power on. (Green) Off - No power. Status LED Off - Normal operation. (Yellow) Blinking - This LED blinks during start up, and during a Firmware Up- grade.

  • Page 8: Rear Panel

    LAN connections Note: Any LAN port on the TEW-435BRM will automatically function as an "Uplink" port when required. Just connect any port to a normal port on the other hub, using a standard LAN cable. This button will reset the TEW-435BRM to the factory default Reset Button settings.

  • Page 9: Chapter 2 Installation

    802.11g or IEEE 802.11b specifications. Procedure 1. Choose an Installation Site Select a suitable place on the network to install the TEW-435BRM. For best Wireless reception and performance, the TEW- 435BRM should be positioned in a central location with minimum obstructions between the TEW-435BRM and the PCs.

  • Page 10: Check The Leds

    Any LAN port on the TEW-435BRM will automatically function as an "Uplink" port when required. 3. Connect ADSL Cable Connect the supplied ADSL cable from to the WAN port on the TEW-435BRM (the RJ11 connector) to the ADSL terminator provided by your phone company. 4. Power Up Connect the supplied power adapter to the TEW-435BRM and power up.

  • Page 11: Chapter 3 Setup

    PCs on your local LAN may also require configuration. For details, see Chapter 4 - PC Con- figuration. Other configuration may also be required, depending on which features and functions of the TEW-435BRM you wish to use. Use the table below to locate detailed instructions for the required functions. To Do this: Configure PCs on your LAN.

  • Page 12: Configuration Program

    1. After installing the TEW-435BRM in your LAN, start your PC. If your PC is already running, restart it. 2. Start your WEB browser. 3. In the Address box, enter "HTTP://" and the IP Address of the TEW-435BRM, as in this example, which uses the TEW-435BRM's default IP Address: HTTP://192.168.0.1 4.

  • Page 13: Setup Wizard

    PC's wireless settings. Setup Wizard The first time you connect to the TEW-435BRM, the Setup Wizard will run automatically. (The Setup Wizard will also run if the TEW-435BRM's default settings are restored.) 1. Step through the Wizard until finished.

  • Page 14: Common Connection Types

    Common Connection Types Type Details Dynamic Your IP Address is allocated IP Address automatically, when you connect to you ISP. Static (Fixed) Your ISP allocates a permanent IP Address IP Address to you. Usually, the connection is "Al- ways on". PPPoE, PPPoA You connect to the ISP only when required.

  • Page 15: Home Screen

    Log Out - When finished, you should click this button to logout. • Restart - Use this if you wish to restart the TEW-435BRM. Note that restarting the Router will break any existing connections to or through the Router. Navigation & Data Input •...

  • Page 16: Lan Screen

    Data - LAN Screen TCP/IP IP address for the TEW-435BRM, as seen from the local LAN. Use the IP Address default value unless the address is already in use or your LAN is using a different IP address range. In the latter case, enter an unused IP Address from within the range used by your LAN.

  • Page 17: Using Another Dhcp Server

    Server, rather than the TEW-435BRM's, the following procedure is required. 1. Disable the DHCP Server feature in the TEW-435BRM. This setting is on the LAN screen. 2. Configure the DHCP Server to provide the TEW-435BRM's IP Address as the Default Gateway.

  • Page 18: Wireless Screen

    Note that the TEW-435BRM will automatically accept both 802.11b and 802.11g connections, and no configuration is required for this feature. To change the TEW-435BRM's default settings for the Wireless Access Point feature, use the Wireless link on the main menu to reach the Wireless screen. An example screen is shown below.

  • Page 19: Access Point

    435BRM. b only - Only 802.11b connections are available. 802.11g Wire- less Stations will only be able to use the TEW-435BRM if they are fully backward-compatible with the 802.11b standard. Select the Channel you wish to use on your Wireless LAN.

  • Page 20: Wep Screen

    WEP Screen This screen is accessed by clicking the "Configure WEP" button on the Wireless screen. Data - WEP Screen WEP Data Encryption WEP Data Select the option to match other Wireless Stations: Encryption • • • Authentication Normally, this should be left at the default value of "Automatic". If Type changed to "Open System"...

  • Page 21: Password Screen

    You will be prompted for the password when you connect, as shown below. • The "User Name" is always admin • Enter the password for the TEW-435BRM, as set on the Password screen above. Figure 9: Password Screen Figure 10: Password Dialog...

  • Page 22: Chapter 4 Pc Configuration

    435BRM. The first step is to check the PC's TCP/IP settings. The TEW-435BRM uses the TCP/IP network protocol for all functions, so it is essential that the TCP/IP protocol be installed and configured on each PC. TCP/IP Settings - Overview If using the default TEW-435BRM settings, and the default Windows TCP/IP settings, no changes need to be made.

  • Page 23: Using Dhcp

    Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows setting. Using this is recommended. By default, the TEW-435BRM will act as a DHCP Server. Restart your PC to ensure it obtains an IP Address from the TEW-435BRM.
  • Page 24 • On the Gateway tab, enter the TEW-435BRM's IP address in the New Gateway field and click Add, as shown below. Your LAN administrator can advise you of the IP Address they assigned to the TEW-435BRM. • On the DNS Configuration tab, ensure Enable DNS is selected. If the DNS Server Search Order list is empty, enter the DNS address provided by your ISP in the fields beside the Add button, then click Add.

  • Page 25: Checking Tcp/Ip Settings - Windows Nt

    Wireless ADSL Router User Guide Checking TCP/IP Settings - Windows NT4.0 1. Select Control Panel - Network, and, on the Protocols tab, select the TCP/IP protocol, as shown below. Figure 15: Windows NT4.0 - TCP/IP 2. Click the Properties button to see a screen like the one below.
  • Page 26 If your PC is already configured, check with your network administrator before making the following changes. 1. The Default Gateway must be set to the IP address of the TEW-435BRM. To set this: • Click the Advanced button on the screen above.
  • Page 27 Wireless ADSL Router User Guide Figure 17 - Windows NT4.0 - Add Gateway 2. The DNS should be set to the address provided by your ISP, as follows: • Click the DNS tab. • On the DNS screen, shown below, click the Add button (under DNS Service Search Order), and enter the DNS provided by your ISP.
  • Page 28 PC Configuration Figure 18: Windows NT4.0 - DNS...

  • Page 29: Checking Tcp/Ip Settings - Windows

    Wireless ADSL Router User Guide Checking TCP/IP Settings - Windows 2000: 1. Select Control Panel - Network and Dial-up Connection. 2. Right - click the Local Area Connection icon and select Properties. You should see a screen like the following: Figure 19: Network Configuration (Win 2000) 3.
  • Page 30 Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows setting. Using this is recommended. By default, the TEW-435BRM will act as a DHCP Server. Restart your PC to ensure it obtains an IP Address from the TEW-435BRM.

  • Page 31: Checking Tcp/Ip Settings - Windows Xp

    Wireless ADSL Router User Guide Checking TCP/IP Settings - Windows XP 1. Select Control Panel - Network Connection. 2. Right click the Local Area Connection and choose Properties. You should see a screen like the following: Figure 21: Network Configuration (Windows XP) 3.
  • Page 32 Using DHCP To use DHCP, select the radio button Obtain an IP Address automatically. This is the default Windows setting. Using this is recommended. By default, the TEW-435BRM will act as a DHCP Server. Restart your PC to ensure it obtains an IP Address from the TEW-435BRM.

  • Page 33: Internet Access

    Setup is now completed. Accessing AOL To access AOL (America On Line) through the TEW-435BRM, the AOL for Windows soft- ware must be configured to use TCP/IP network access, rather than a dial-up connection. The configuration process is as follows: •...

  • Page 34: Macintosh Clients

    • Ensure your DNS settings are correct. Linux Clients To access the Internet via the TEW-435BRM, it is only necessary to set the TEW-435BRM as the "Gateway". Ensure you are logged in as "root" before attempting any changes. Fixed IP Address By default, most Unix installations use a fixed IP Address.

  • Page 35: Wireless Station Configuration

    Wireless ADSL Router User Guide Wireless Station Configuration This section applies to all Wireless stations wishing to use the TEW-435BRM's Access Point, regardless of the operating system which is used on the client. To use the Wireless Access Point in the TEW-435BRM, each Wireless Station must have...

  • Page 36: Chapter 5 Operation And Status

    This Chapter details the operation of the TEW-435BRM and the status screens. Operation Once both the TEW-435BRM and the PCs are configured, operation is automatic. However, there are some situations where additional Internet configuration may be required. Refer to Chapter 6 - Advanced Features for further details.
  • Page 37 This shows the status of the DHCP Server function. The value will be "Enabled" or "Disabled". This shows the MAC Address for the TEW-435BRM, as seen on the LAN interface. If using an ESS (Extended Service Set, with multiple access points) this ID is called an ESSID (Extended Service Set Identi- fier).
  • Page 38 This indicates whether or not the SSID is Broadcast. This setting is on the Wireless screen. The current name of the TEW-435BRM. This is also the "host- name" provided to ISPs who request this information. The version of the current firmware installed.

  • Page 39: Connection Status - Pppoe & Pppoa

    Wireless ADSL Router User Guide Connection Status - PPPoE & PPPoA If using PPPoE (PPP over Ethernet) or PPPoA (PPP over ATM), a screen like the following example will be displayed when the "Connection Details" button is clicked. Data – PPPoE/PPPoA Screen Connection Time PPPoE Link Status Negotiation...

  • Page 40: Connection Details - Dynamic Ip Address

    IP address allocation (the DCHP lease) expires. Buttons Release If an IP Address has been allocated to the TEW-435BRM (by the ISP's DHCP Server, clicking the "Release" button will break the connection and release the IP Address.

  • Page 41: Connection Details - Fixed Ip Address

    Wireless ADSL Router User Guide Connection Details - Fixed IP Address If your access method is "Direct" (no login), with a fixed IP address, a screen like the follow- ing example will be displayed when the "Connection Details" button is clicked. Figure 26: Connection Details - Fixed/Dynamic IP Address Data - Fixed IP address Screen Internet...

  • Page 42: Chapter 6 Advanced Features

    Chapter 6 Advanced Features This Chapter explains when and how to use the TEW-435BRM's "Advanced" Features. Overview The following advanced features are provided: • Internet: • • URL filter • Dynamic DNS • Firewall Rules • Firewall Services • Schedule •...

  • Page 43: Url Filter

    Wireless ADSL Router User Guide The "DMZ PC" is effectively outside the Firewall, mak- ing it more vulnerable to attacks. For this reason, you should only enable the DMZ feature when required. URL Filter If you want to limit access to certain sites on the Internet, you can use this feature. The URL filter will check each Web site access.

  • Page 44: Dynamic Dns (Domain Name Server)

    Domain name. 3. Enter your data from www.dyndns.org in the TEW-435BRM's DDNS screen. 4. The TEW-435BRM will then automatically ensure that your current IP Address is re- corded at http://www.dyndns.org 5. From the Internet, users will be able to connect to your Virtual Servers (or DMZ PC) using your Domain name, as shown on this screen.

  • Page 45: Dynamic Dns Screen

    Wireless ADSL Router User Guide Dynamic DNS Screen Select Advanced on the main menu, then Dynamic DNS, to see a screen like the following: Data - Dynamic DNS Screen DDNS Service Use this to enable or disable the DDNS feature as required. Use a Dynamic DNS Service DDNS Data...

  • Page 46: Firewall Rules

    Firewall Rules The Firewall Rules screen allows you to define "Firewall Rules" which can allow or prevent certain traffic. By default: • All Outgoing traffic is permitted. • All Incoming traffic is denied. "Traffic" means incoming connection attempts, not packets. Because of this default behavior, any Outgoing rules will generally Block traffic, and Incom- ing rules will generally Allow traffic.
  • Page 47 Wireless ADSL Router User Guide LAN Server The PC or Server on your LAN to which traffic covered by this rule will be sent. WAN Users The WAN IP address or addresses covered by this rule. Indicates whether or not connections covered by this rule should be logged.
  • Page 48 Incoming Rules This screen is displayed when the "Add" or "Edit" button for Incoming Rules is clicked. Data – Incoming Rules Screen Inbound Services Select the desired Service. This determines which packets are covered by Service this rule. If necessary, you can define a new Service on the "Services" screen, by defining the protocols and port numbers used by the Service.
  • Page 49 Wireless ADSL Router User Guide This determines whether packets covered by this rule are logged. Select the desired action. • Always - always log traffic considered by this rule, whether it matches or not. (This is useful when debugging your rules.) •...
  • Page 50 Outgoing Rules This screen is displayed when the "Add" or "Edit" button for Outgoing Rules is clicked. Data - Outbound Rules Screen Outbound Services Select the desired Service or application to be covered by this rule. If the Service desired service or application does not appear in the list, you must define it using the "Services"...
  • Page 51 Wireless ADSL Router User Guide These settings determine which packets are covered by the rule, based WAN Users on their source (WAN) IP address. Select the desired option: • Any - All IP addresses are covered by this rule. • Address range - If this option is selected, you must enter the "Start"...

  • Page 52: Firewall Services

    Firewall Services This screen is used to modify the list of Services which are available when creating Firewall Rules. Data – Add Services Services This lists all defined Services. Services List Use this to open a sub-screen where you can add a new service. To modify a service, select it, and then click this button.
  • Page 53 Wireless ADSL Router User Guide Add/Edit Service This screen is displayed when the Add or Edit button on the Services screen is clicked. Data – Add/Edit Service Services If editing, this shows the current name of the Service. Name If adding a new service, this will be blank, and you should enter a suitable name.

  • Page 54: Options

    Options This screen allows advanced users to enter or change a number of settings. For normal opera- tion, there is no need to use this screen or change any settings. An example Options screen is shown below. Data - Options Screen Internet •...

  • Page 55: Schedule

    "Use this NTP Server" and enter the Server's IP Server address in the fields provided.. If this setting is not enabled, the default NTP Servers are used. This displays the current time on the TEW-435BRM. Current Time Figure 36: Schedule Screen...

  • Page 56: Virtual Servers

    This allows Internet users to connect to your Servers with a URL, rather than an IP address. This technology works even if your ISP allocates dynamic IP addresses (IP address is allocated upon connection, so it may change each time you connect). TEW-435BRM Figure 37: Virtual Servers Advanced Features...

  • Page 57: Connecting To The Virtual Servers

    Wireless ADSL Router User Guide Data - Virtual Servers Screen Servers This lists a number of common Server types. If the desired Server Servers type is not listed, you can create a Firewall Rule to achieve the same effect as the Virtual Server function. Properties Enable Use this to Enable or Disable support for this Server, as required.

  • Page 58: Chapter 7 Advanced Administration

    Server". This database is maintained automatically, but you can add and delete entries for PCs which use a Fixed (Static) IP Address. Config File Backup or restore the configuration file for the TEW-435BRM. This file contains all the configuration data. Logs & Email View or clear all logs, set E-Mailing of log files and alerts.

  • Page 59: Pc Database

    By default, non-Server versions of Windows act as "DHCP Clients"; this setting is called "Obtain an IP Address automatically". • The TEW-435BRM uses the "Hardware Address" to identify each PC, not the name or IP address. The "Hardware Address" can only change if you change the PC's network card or adapter.
  • Page 60 Data - PC Database Screen Known PCs This lists all current entries. Data displayed is name (IP Address) type. The "type" indicates whether the PC is connected to the LAN. Name If adding a new PC to the list, enter its name here. It is best if this matches the PC's "hostname".
  • Page 61 Figure 40: PC Database (Admin) Automatic - The PC is set to be a DHCP client (Windows: "Ob- tain an IP address automatically"). The TEW-435BRM will allocate an IP address to this PC when requested to do so. The IP address could change, but normally won't.
  • Page 62 MAC Address Select the appropriate option • Automatic discovery - Select this to have the TEW-435BRM contact the PC and find its MAC address. This is only possible if the PC is connected to the LAN and powered On. •...

  • Page 63: Config File

    You can restore a previously-downloaded configuration file to the TEW-435BRM, by upload- ing it to the TEW-435BRM. This screen also allows you to set the TEW-435BRM back to its factory default configuration. Any existing settings will be deleted. An example Config File screen is shown below.

  • Page 64: Logs

    Since only a limited amount of log data can be stored in the TEW-435BRM, log data can also be E-mailed to your PC. Use the E-mail screen to configure this feature.
  • Page 65 Wireless ADSL Router User Guide Logs Include (Checkboxes) Syslog Disable Broadcast on LAN Syslog Use these checkboxes to determine which events are included in the log. Checking all options will increase the size of the log, so it is good practice to disable any events which are not really re- quired.

  • Page 66: E-Mail

    E-mail This screen allows you to E-mail Logs and Alerts. A sample screen is shown below. Data – E-mail Screen E-Mail Notification Check this box to enable this feature. If enabled, the E-mail address Turn E-mail information (below) must be provided. Notification on Send to this E- Enter the E-mail address the Log is to be sent to.
  • Page 67 Wireless ADSL Router User Guide E-mail Alerts You can choose to have alerts E-mailed to you, by checking the Send E-mail alerts desired checkboxes. The Broadband ADSL Router can send an immediately immediate alert when it detects a significant security incident such as •...

  • Page 68: Diagnostics

    Diagnostics This screen allows you to perform a "Ping" or a "DNS lookup". These activities can be useful in solving network problems. An example Network Diagnostics screen is shown below. Data - Network Diagnostics Screen Ping Ping this Enter the IP address you wish to ping. The IP address can be on your LAN, or on the Internet.

  • Page 69: Remote Admin

    Wireless ADSL Router User Guide Remote Admin If enabled, this feature allows you to manage the TEW-435BRM via the Internet. Figure 45: Remote Administration Screen Data - Remote Administration Screen Remote Administration Enable Remote Check to allow administration/management via the Internet. (To Management connect, see below).
  • Page 70 To connect from a remote PC via the Internet 1. Ensure your Internet connection is established, and start your Web Browser. 2. In the "Address" bar, enter "HTTP://" followed by the Internet IP Address of the TEW- 435BRM. If the port number is not 80, the port number is also required. (After the IP Ad- dress, enter ":"...

  • Page 71: Routing

    "Routing" page even if your LAN has other Routers. • If your LAN has a standard Router (e.g. Cisco) on your LAN, and the TEW-435BRM is to act as a Gateway for all LAN segments, enable RIP (Routing Information Protocol) and ignore the Static Routing table.

  • Page 72: Static Routing

    It is essential that all IP packets for devices not on the local LAN be passed to the TEW- 435BRM, so that they can be forwarded to the external LAN, WAN, or Internet. To achieve this, the local LAN must be configured to use the TEW-435BRM as the Default Route or Default Gateway.
  • Page 73 Other Routers on the Local LAN Other routers on the local LAN must use the TEW-435BRM's Local Router as the Default Route. The entries will be the same as the TEW-435BRM's local router, with the exception of the Gateway IP Address.
  • Page 74 For Router A's Default Route Destination IP Address Network Mask Gateway IP Address For Router B's Default Route Destination IP Address Network Mask Gateway IP Address 192.168.0.100 0.0.0.0 0.0.0.0 192.168.0.1 (TEW-435BRM's IP Address) 0.0.0.0 0.0.0.0 192.168.1.80 (TEW-435BRM's local router) Advanced Administration...

  • Page 75: Upgrade Firmware

    Wireless ADSL Router User Guide Upgrade Firmware The firmware (software) in the TEW-435BRM can be upgraded using your Web Browser. You must first download the upgrade file, then select Upgrade Firmware on the Administra- tion menu. You will see a screen like the following.

  • Page 76: Appendix A Troubleshooting

    The TEW-435BRM is properly installed, LAN connections are OK, and it is powered ON. • Ensure that your PC and the TEW-435BRM are on the same network segment. (If you don't have a router, this must be the case.) •...

  • Page 77: Wireless Access

    Wireless ADSL Router User Guide Solution 2: The TEW-435BRM processes the data passing through it, so it is not trans- parent. For incoming connections, you must use the Virtual Server or Firewall Rules to specify the PC which will receive the incoming traffic.

  • Page 78: Appendix B About Wireless Lans

    Appendix B About Wireless LANs This Appendix provides some background information about using Wireless LANs (WLANs). Modes Wireless LANs can work in either of two (2) modes: • Ad-hoc • Infrastructure Ad-hoc Mode Ad-hoc mode does not require an Access Point or a wired (Ethernet) LAN. Wireless Sta- tions (e.g.

  • Page 79: Channels

    Wireless ADSL Router User Guide Channels The Wireless Channel sets the radio frequency used for communication. • Access Points use a fixed Channel. You can select the Channel used. This allows you to choose a Channel which provides the least interference and best performance. In the USA and Canada, 11 channel are available.

  • Page 80: Appendix C Specifications

    Appendix C Specifications Multi-Function TEW-435BRM Model ADSL Interface Dimensions Operating Temperature Storage Temperature Network Protocol: Network Interface: LEDs Power Adapter Wireless Interface Standards IEEE802.11b, IEEE802.11g WLAN, Frequency 2.4 to 2.4835GHz (Industrial Scientific Medical Band ) Channels Maximum 14 Channels, depending on regulatory authorities...

  • Page 81: Regulatory Approvals

    Wireless ADSL Router User Guide Regulatory Approvals FCC Statement This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation.

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