Linksys RT31P2-NA User Manual
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Linksys RT31P2-NA User Manual

Linksys RT31P2-NA User Manual

Broadband router with 2 phone ports
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®
A Division of Cisco Systems, Inc.

Broadband Router

with 2 Phone Ports

User Guide

WIRED
RT31P2-NA
Model No.

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Summary of Contents for Linksys RT31P2-NA

  • Page 1: Broadband Router

    ® A Division of Cisco Systems, Inc. Broadband Router with 2 Phone Ports User Guide WIRED RT31P2-NA Model No.
  • Page 2 Broadband Router with 2 Phone Ports Copyright and Trademarks Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2004 Cisco Systems, Inc. All rights reserved.

  • Page 3: Table Of Contents

    Broadband Router with 2 Phone Ports Table of Contents Chapter 1: Introduction Welcome What’s in this Guide? Chapter 2: Networking Basics An Introduction to Local Area Networks The Use of IP Addresses Chapter 3: Getting to Know the Router The Back Panel The Front Panel Chapter 4: Connecting the Router Overview...
  • Page 4 Broadband Router with 2 Phone Ports The Status Tab - Voice The Status Tab - Router The Status Tab - Local Network Appendix A: Troubleshooting Common Problems and Solutions Frequently Asked Questions Appendix B: Upgrading Firmware Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter Windows 98 or Me Instructions Windows 2000 or XP Instructions...
  • Page 5 Broadband Router with 2 Phone Ports List of Figures Figure 3-1: Back Panel Figure 3-2: Front Panel Figure 4-1: Router Connection Diagram Figure 4-2: Connect a PC Figure 4-3: Connect a Telephone Figure 4-4: Connect the Cable/DSL Modem Figure 4-5: Connect the Power Figure 5-1: Router’s IP Address Figure 5-2: Router Login Figure 5-3: Setup Tab - Basic Setup (Obtain an IP automatically)
  • Page 6 Broadband Router with 2 Phone Ports Figure 5-22: Applications & Gaming Tab - UPnP Forwarding Figure 5-23: Applications & Gaming Tab - DMZ Figure 5-24: Applications & Gaming Tab - QoS Figure 5-25: Administration Tab - Management Figure 5-26: Backup & Restore Configuration Figure 5-27: Administration Tab - Log Figure 5-28: Incoming Log Table Figure 5-29: Outgoing Log Table...

  • Page 7: Chapter 1: Introduction

    “wired”. To create your network, install and set up the Router. To guide you through the process, Linksys strongly recommends that you run the Setup Wizard on the Setup CD-ROM. If you prefer to manually set up the Router, use the instructions in the Quick Installation or this User Guide to help you.

  • Page 8: What's In This Guide

    Broadband Router with 2 Phone Ports What’s in this Guide? This user guide covers the basic steps for setting up a network with a router. After going through “Chapter 3: Getting to Know the Router,” most users will only need to use the following chapters: •...
  • Page 9 • Appendix H: Regulatory Information This appendix supplies the regulatory information regarding the Router. • Appendix J: Contact Information This appendix provides contact information for a variety of Linksys resources, including Technical Support. Chapter 1: Introduction What’s in this Guide?

  • Page 10: Chapter 2: Networking Basics

    Broadband Router with 2 Phone Ports Chapter 2: Networking Basics An Introduction to Local Area Networks Simply put, a router is a network device that connects two networks together. The Router connects your local area network (LAN), or the group of PCs in your home or office, to the Internet. The Router processes and regulates the data that travels between these two networks.
  • Page 11 Broadband Router with 2 Phone Ports A DHCP server can either be a designated PC on the network or another network device, such as the Router. By default, the Router’s Internet Connection Type is Obtain an IP automatically (DHCP). The PC or network device obtaining an IP address is called the DHCP client. DHCP frees you from having to assign IP addresses manually every time a new user is added to your network.

  • Page 12: Chapter 3: Getting To Know The Router

    Broadband Router with 2 Phone Ports Chapter 3: Getting to Know the Router The Back Panel The Router’s ports and the Reset button are located on the back panel of the Router. Figure 3-1: Back Panel Internet This Internet port connects to your cable or DSL modem. Phone1 For your primary telephone line, the Phone1 port allows you to connect the Router to your telephone (or fax machine) using an RJ-11 telephone cable (not included).

  • Page 13: The Front Panel

    Broadband Router with 2 Phone Ports The Front Panel The Router’s LEDs, which inform you about network activities, are located on the front panel. Figure 3-2: Front Panel Power Green. The Power LED lights up when the Router is powered on. If the LED is flashing, the Router is booting up, running a system self-test, or upgrading its firmware.

  • Page 14: Chapter 4: Connecting The Router

    Broadband Router with 2 Phone Ports Chapter 4: Connecting the Router Overview To begin installation of the Router, you will connect the Router to your PCs, telephone(s) or fax machine(s), and cable or DSL modem. The following connection diagram illustrates a basic network setup with one desktop PC and telephone.

  • Page 15: Connection Instructions

    Broadband Router with 2 Phone Ports Connection Instructions 1. Before you begin, make sure that all of your hardware is powered off, including the Router, PCs, switches, and cable or DSL modem. 2. Connect one end of an Ethernet network cable to one of the numbered ports on the back of the Router. Connect the other end to an Ethernet port on a network device, e.g., a PC, print server, or switch.

  • Page 16: Chapter 5: Configuring The Router

    Chapter 5: Configuring the Router Overview Linksys recommends using the Setup CD-ROM for first-time installation of the Router. If you do not wish to run the Setup Wizard on the Setup CD-ROM, then you can use the Web-based Utility to configure the Router. For advanced users, you may configure the Router’s advanced settings through the Web-based Utility.
  • Page 17 Broadband Router with 2 Phone Ports Voice • System. Enter the STUN (Simple Traversal of UDP through NAT) settings, if required by your Internet phone service provider. • Line1. Enter your service account information, and configure the various settings for this phone line. •...

  • Page 18: How To Access The Web-Based Utility

    Broadband Router with 2 Phone Ports How to Access the Web-based Utility To access the Web-based Utility of the Router, launch Internet Explorer or Netscape Navigator, and enter the Router’s default IP address, 192.168.15.1, in the Address field. Press the Enter key. A screen will appear asking you for your User name and Password.

  • Page 19: Figure 5-4: Static Ip

    Broadband Router with 2 Phone Ports Static IP If you are required to use a permanent IP address, then select Static IP. IP Address. This is the IP address that the Router has, when seen from the Internet. Your ISP will provide you with the IP Address you need to specify here.

  • Page 20: Figure 5-6: Ras (For Singtel)

    Broadband Router with 2 Phone Ports RAS (for SingTel) Remote Access Service (RAS) is a service that applies to connections in Singapore only. For users in Singapore, check with Singtel for information on RAS. User Name and Password. Enter the User Name and Password supplied by Singtel. RAS Plan.

  • Page 21: Figure 5-8: Heart Beat Signal

    Broadband Router with 2 Phone Ports connection as soon as you attempt to access the Internet again. If you wish to activate Connect on Demand, click the radio button. If you want your Internet connection to remain on at all times, enter 0 in the Max Idle Time field.
  • Page 22 Broadband Router with 2 Phone Ports Optional Settings Some of these settings may be required by your ISP. Verify with your ISP before making any changes. Host Name and Domain Name. These fields allow you to supply a host and domain name for the Router. Some ISPs require these names as identification.
  • Page 23 Broadband Router with 2 Phone Ports Number of Address (Optional). Enter the maximum number of PCs that you want the DHCP server to assign IP addresses to. This number cannot be greater than 253. The default is 50. DHCP Address Range. The range of DHCP addresses is displayed here. Client Lease Time.

  • Page 24: The Setup Tab - Ddns

    Broadband Router with 2 Phone Ports The Setup Tab - DDNS The Router offers a Dynamic Domain Name System (DDNS) feature. DDNS lets you assign a fixed host and domain name to a dynamic Internet IP address. It is useful when you are hosting your own website, FTP server, or other server behind the Router.

  • Page 25: The Setup Tab - Mac Address Clone

    Broadband Router with 2 Phone Ports The Setup Tab - MAC Address Clone A MAC address is a 12-digit code assigned to a unique piece of hardware for identification, like a social security number. Some ISPs will require you to register a MAC address in order to access the Internet. If you do not wish to re-register the MAC address with your ISP, you may assign the MAC address you have currently registered with your ISP to the Router with the MAC Address Clone feature.

  • Page 26: The Setup Tab - Advanced Routing

    Broadband Router with 2 Phone Ports The Setup Tab - Advanced Routing The Advanced Routing screen allows you to configure the Network Address Translation (NAT), dynamic routing, and static routing settings. Advanced Routing NAT. NAT is a security feature that is enabled by default. It enables the Router to translate IP addresses of your local area network to a different IP address for the Internet.

  • Page 27: Figure 5-13: Routing Table Entry List

    Broadband Router with 2 Phone Ports Interface. Select Local or Internet, depending on the location of the static route’s final destination. Delete Entry. If you need to delete a route, select its number from the drop-down menu, and click the Delete Entry button.

  • Page 28: The Security Tab - Filter

    Broadband Router with 2 Phone Ports The Security Tab - Filter When you click the Security tab, you will see the Filter screen. Filters block specific internal users from accessing the Internet and block anonymous Internet requests and/or multicasting. Filter IP Address Range You can create up to five different IP Address Range filters.
  • Page 29 Broadband Router with 2 Phone Ports Filter Multicast. Multicasting allows for multiple transmissions to specific recipients at the same time. If multicasting is permitted, then the Router will allow IP multicast packets to be forwarded to the appropriate computers. Select Enabled to filter multicasting, or Disabled to disable this feature. Filter Internet NAT Redirection.

  • Page 30: The Security Tab - Vpn Passthrough

    Broadband Router with 2 Phone Ports The Security Tab - VPN Passthrough The VPN Passthrough screen allows you to allow VPN tunnels using IPSec, PPPoE, or PPTP protocols to pass through the Router. VPN Passthrough IPSec Passthrough. IPSec (Internet Protocol Security) is a suite of protocols used to implement secure exchange of packets at the IP layer.

  • Page 31: The Voice Tab - System

    Broadband Router with 2 Phone Ports The Voice Tab - System STUN (Simple Traversal of UDP through NATs) is a protocol that enables Internet phone calls to travel between your local network and the Internet. Not all Internet phone service providers use the STUN protocol; however, if your provider does, then configure the settings on this screen to enable your Internet phone calls.

  • Page 32: The Voice Tab - Line1 Settings

    Broadband Router with 2 Phone Ports The Voice Tab - Line1 Settings On the Line1 screen, configure the settings for service on Line 1, which uses the Phone1 port of the Router. NOTE: Depending on your Internet phone service provider’s policies, your access to the Router’s configuration settings may be restricted, so you may not be able to access the Voice tab of the Web-based Utility.

  • Page 33: Supplementary Service Settings

    Broadband Router with 2 Phone Ports Call Forward Settings Cfwd All Dest. If you want to forward all calls to a specific telephone number, then complete this field. Enter the number that will receive all phone calls. Cfwd Busy Dest. If your phone is busy, then you can forward incoming phone calls to a specific telephone number.
  • Page 34 Broadband Router with 2 Phone Ports Voice Quality Settings Voice Quality. Select the quality level you want to use for your voice calls, Best (G.711u Requires 64k Bandwidth), Good (G.711a Requires 64k Bandwidth), Good (G.726-40 Requires 40k Bandwidth), Good (G.726-32 Requires 32k Bandwidth), Best (G.729 Requires 8k Bandwidth), Normal (G.726-24 Requires 24k Bandwidth), Normal (G.726-16 Requires 16k Bandwidth), or Normal (G.723 Requires 7k Bandwidth).

  • Page 35: The Voice Tab - Line2 Settings

    Broadband Router with 2 Phone Ports The Voice Tab - Line2 Settings On the Line2 screen, configure the settings for service on Line 2, which uses the Phone2 port of the Router. NOTE: Depending on your Internet phone service provider’s policies, your access to the Router’s configuration settings may be restricted, so you may not be able to access the Voice tab of the Web-based Utility.
  • Page 36 Broadband Router with 2 Phone Ports Call Forward Settings Cfwd All Dest. If you want to forward all calls to a specific telephone number, then complete this field. Enter the number that will receive all phone calls. Cfwd Busy Dest. If your phone is busy, then you can forward incoming phone calls to a specific telephone number.
  • Page 37 Broadband Router with 2 Phone Ports Voice Quality Settings Voice Quality. Select the quality level you want to use for your voice calls, Best (G.711u Requires 64k Bandwidth), Good (G.711a Requires 64k Bandwidth), Good (G.726-40 Requires 40k Bandwidth), Good (G.726-32 Requires 32k Bandwidth), Best (G.729 Requires 8k Bandwidth), Normal (G.726-24 Requires 24k Bandwidth), Normal (G.726-16 Requires 16k Bandwidth), or Normal (G.723 Requires 7k Bandwidth).

  • Page 38: The Applications & Gaming Tab - Port Range Forwarding

    Broadband Router with 2 Phone Ports The Applications & Gaming Tab - Port Range Forwarding When you click the Applications & Gaming tab, you will see the Port Range Forwarding screen. Port Range Forwarding sets up public services on your network, such as web servers, ftp servers, e-mail servers, or other specialized Internet applications.

  • Page 39: The Applications & Gaming Tab - Port Triggering

    Broadband Router with 2 Phone Ports The Applications & Gaming Tab - Port Triggering The Port Triggering screen allows the Router to watch outgoing data for specific port numbers. The IP address of the computer that sends the matching data is remembered by the Router, so that when the requested data returns through the Router, the data is pulled back to the proper computer by way of IP address and port mapping rules.

  • Page 40: The Applications & Gaming Tab - Upnp Forwarding

    Broadband Router with 2 Phone Ports The Applications & Gaming Tab - UPnP Forwarding The UPnP Forwarding screen displays preset application settings as well as options to customize port services for other applications. UPnP Forwarding Application. Ten applications are preset. For custom applications, enter the name of your application in one of the available fields.
  • Page 41 Broadband Router with 2 Phone Ports NNTP (Network News Transfer Protocol). The protocol used to connect to Usenet groups on the Internet. Usenet newsreaders support the NNTP protocol. SNMP (Simple Network Management Protocol). A widely used network monitoring and control protocol. Data is passed from SNMP agents, which are hardware and/or software processes reporting activity in each network device (hub, router, bridge, etc.) to the workstation console used to oversee the network.

  • Page 42: The Applications & Gaming Tab - Dmz

    Broadband Router with 2 Phone Ports The Applications & Gaming Tab - DMZ The DMZ screen allows one local user to be exposed to the Internet for use of a special-purpose service such as Internet gaming and videoconferencing. DMZ hosting forwards all the ports at the same time to one PC. The Port Range Forwarding is more secure because it only opens the ports you want to have opened, while DMZ hosting opens all the ports of one computer, exposing the computer to the Internet.

  • Page 43: Figure 5-24: Applications & Gaming Tab - Qos

    Broadband Router with 2 Phone Ports The Applications & Gaming Tab - QoS Quality of Service (QoS) ensures better service to high-priority types of network traffic, which may involve demanding, real-time applications, such as Internet phone calls or videoconferencing. Application-based QoS Application-based QoS manages information as it is transmitted and received.
  • Page 44 Broadband Router with 2 Phone Ports Enable/Disable. To use port-based QoS, select Enable. Otherwise, keep the default, Disable. For each port, specify the Priority, Flow Control setting, and Ingress Rate Limit. Priority. Select the port’s priority level, High or Low. Flow Control.

  • Page 45: The Administration Tab - Management

    Broadband Router with 2 Phone Ports The Administration Tab - Management When you click the Administration tab, you will see the Management screen. This screen allows you to change the Router’s access settings as well as configure the UPnP (Universal Plug and Play) features. Router Password Local Router Access To ensure the Router’s security, you will be asked for your password when you access the Router’s Web-based...

  • Page 46: Figure 5-26: Backup & Restore Configuration

    Broadband Router with 2 Phone Ports Allow users to disable Internet access. When enabled, this feature allows you to prohibit any and all Internet connections. Backup and Restore Backup and Restore. Click this button to back up or restore your configuration. Click the Backup button to back up the configuration.

  • Page 47: The Administration Tab - Log

    Logviewer IP Address. For a permanent record of these logs, Logviewer software must be used. This software is downloadable from the Linksys website, www.linksys.com. The Logviewer saves all incoming and outgoing activity in a permanent file on your PC’s hard drive. In the Logviewer IP Address field, enter the fixed IP address of Figure 5-27: Administration Tab - Log the PC running the Logviewer software.

  • Page 48: The Administration Tab - Factory Defaults

    Broadband Router with 2 Phone Ports The Administration Tab - Factory Defaults The Factory Defaults screen allows you to restore the Router’s configuration to its factory default settings. NOTE: Depending on your Internet phone service provider’s policies, the Factory Defaults tab may be protected by a password available only from your Internet phone service provider.

  • Page 49: The Administration Tab - Firmware Upgrade

    NOTE: Depending on your Internet phone service provider’s policies, you may not be able to upgrade the Router’s firmware. For more information, contact your Internet phone service provider. Before upgrading the firmware, download the Router’s firmware upgrade file from the Linksys website, www.linksys.com. Then extract the file.

  • Page 50: The Status Tab - Voice

    Broadband Router with 2 Phone Ports The Status Tab - Voice When you click the Status tab, you will see the Voice screen, which displays information about your Internet phone line(s). Information Voice Version. This shows the version number of the voice firmware currently installed on the Router. Line1 Status Registration Status.

  • Page 51: The Status Tab - Router

    Broadband Router with 2 Phone Ports The Status Tab - Router The Router screen displays information about the Router and its current settings. The on-screen information will vary depending on the Internet Connection Type selected on the Setup screen. Information Firmware Version.

  • Page 52: The Status Tab - Local Network

    Broadband Router with 2 Phone Ports The Status Tab - Local Network The Local Network screen displays information about the local network. Local Network MAC Address. The MAC Address of the Router’s LAN (local area network) interface is displayed here. IP Address.

  • Page 53: Appendix A: Troubleshooting

    Appendix A: Troubleshooting This appendix provides solutions to problems that may occur during the installation and operation of the Router. Read the description below to solve your problems. If you can't find an answer here, check the Linksys website at www.linksys.com.
  • Page 54 Broadband Router with 2 Phone Ports B. Press CTRL + F5. This is a hard refresh, which will force Windows Explorer to load new webpages, not cached ones. C. Click Tools. Click Internet Options. Click the Security tab. Click the Default level button. Make sure the security level is Medium or lower.
  • Page 55 Broadband Router with 2 Phone Ports D. Enter a unique IP address that is not used by any other computer on the network connected to the Router. You can only use an IP address in the ranges 192.168.15.2 to 192.168.15.99 and 192.168.15.151 to 192.168.15.254.
  • Page 56 Broadband Router with 2 Phone Ports For Windows 2000: 1. Click Start, Settings, and Control Panel. Double-click Network and Dial-Up Connections. 2. Right-click the Local Area Connection that is associated with the Ethernet adapter you are using, and select the Properties option. 3.
  • Page 57 E. In the command prompt, type ping www.linksys.com and press the Enter key. • If you get a reply, the computer is connected to the Internet. If you cannot open a webpage, try the ping command from a different computer to verify that your original computer is not the cause of the problem.
  • Page 58 Refer to “Problem #10, I need to set up online game hosting or use other Internet applications” for details. Check the Linksys website at www.linksys.com for more information. 9. I need to set up a server behind my Router.
  • Page 59 Broadband Router with 2 Phone Ports Check “Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter” for details on getting an IP address. F. Check the Enabled option for the port services you want to use. Consider the examples below: Application Start and End Web server...
  • Page 60 Broadband Router with 2 Phone Ports F. Check the Enabled option for the port services you want to use. Consider the examples below: Application Start and End 7777 to 27900 Halflife 27015 to 27015 PC Anywhere 5631 to 5631 VPN IPSEC 500 to 500 When you have completed the configuration, click the Save Settings button.
  • Page 61 15. I need to upgrade the firmware. In order to upgrade the firmware with the latest features, you need to go to the Linksys website and download the latest firmware at www.linksys.com. Follow these steps: A. Go to the Linksys website at http://www.linksys.com and download the latest firmware.
  • Page 62 Broadband Router with 2 Phone Ports 16. The firmware upgrade failed. The upgrade could have failed for a number of reasons. Follow these steps to upgrade the firmware: A. If the firmware upgrade failed, use the TFTP program (it was downloaded along with the firmware). Open the pdf that was downloaded along with the firmware and TFTP program, and follow the pdf’s instructions.
  • Page 63 Broadband Router with 2 Phone Ports B. Enter the password, if asked. (The default password is admin.) C. On the Basic Setup tab, look for the MTU option, and select Enable. In the Size field, enter 1492. D. Click the Save Settings button to continue. If your difficulties continue, change the Size to different values.

  • Page 64: Frequently Asked Questions

    ISP. Does the Router support any operating system other than Windows 98, Millennium, 2000, or XP? Yes, but Linksys does not, at this time, provide technical support for setup, configuration or troubleshooting of any non-Windows operating systems.
  • Page 65 Ethernet adapter as a temporary measure. (Please look at the Network Control Panel in your Ethernet adapter’s Advanced Properties tab.) Make sure that your proxy setting is disabled in the browser. Check our website at www.linksys.com for more information. If all else fails in the installation, what can I do? Reset the Router by holding down the Reset button for thirty seconds.
  • Page 66 How can I be notified of new Router firmware upgrades? All Linksys firmware upgrades are posted on the Linksys website at www.linksys.com, where they can be downloaded for free. The Router’s firmware can be upgraded with TFTP programs. If the Router’s Internet connection is working well, there is no need to download a newer firmware version, unless that version contains new features that you would like to use.
  • Page 67 Under the Applications & Gaming => Port Range Forwarding tab, set port forwarding to 113 for the PC on which you are using mIRC. If your questions are not addressed here, refer to the Linksys website, www.linksys.com. Appendix A: Troubleshooting...

  • Page 68: Appendix B: Upgrading Firmware

    Router’s firmware. For more information, contact your Internet phone service provider. To upgrade the Router’s firmware, follow these instructions: 1. Download the Router’s firmware upgrade file from the Linksys website, www.linksys.com. 2. Extract the file on your computer. 3. Click the Administration tab and then the Firmware Upgrade tab of the Router’s Web-based Utility.

  • Page 69: Appendix C: Finding The Mac Address And Ip Address For Your Ethernet Adapter

    Broadband Router with 2 Phone Ports Appendix C: Finding the MAC Address and IP Address for Your Ethernet Adapter This section describes how to find the MAC address for your computer’s Ethernet adapter so you can use the MAC filtering and/or MAC address cloning feature of the Router. You can also find the IP address of your computer’s Ethernet adapter.

  • Page 70: For The Router's Web-Based Utility

    Broadband Router with 2 Phone Ports 3. Write down the Physical Address as shown on your computer screen; it is the MAC address for your Ethernet adapter. This appears as a series of numbers and letters. The MAC address/Physical Address is what you will use for MAC address cloning or MAC filtering. Note: The MAC address is also called the Physical Address.

  • Page 71: Appendix D: Windows Help

    Broadband Router with 2 Phone Ports Appendix D: Windows Help Almost all networking products require Microsoft Windows. Windows is the most used operating system in the world and comes with many features that help make networking easier. These features can be accessed through Windows Help and are described in this appendix.

  • Page 72: Appendix E: Glossary

    Broadband Router with 2 Phone Ports Appendix E: Glossary Adapter - A device that adds network functionality to your PC. Backbone - The part of a network that connects most of the systems and networks together, and handles the most data. Bandwidth - The transmission capacity of a given device or network.
  • Page 73 Broadband Router with 2 Phone Ports Default Gateway - A device that forwards Internet traffic from your local area network. DHCP (Dynamic Host Configuration Protocol) - A networking protocol that allows administrators to assign temporary IP addresses to network computers by “leasing” an IP address to a user for a limited amount of time, instead of assigning permanent IP addresses.
  • Page 74 Broadband Router with 2 Phone Ports Half Duplex - Data transmission that can occur in two directions over a single line, but only one direction at a time. Hardware - The physical aspect of computers, telecommunications, and other information technology devices. HTTP (HyperText Transport Protocol) - The communications protocol used to connect to servers on the World Wide Web.
  • Page 75 Broadband Router with 2 Phone Ports NNTP (Network News Transfer Protocol) - The protocol used to connect to Usenet groups on the Internet. Packet - A unit of data sent over a network. Ping (Packet INternet Groper) - An Internet utility used to determine whether a particular IP address is online. POP3 (Post Office Protocol 3) - A standard mail server commonly used on the Internet.
  • Page 76 Broadband Router with 2 Phone Ports Switch - 1. A data switch that connects computing devices to host computers, allowing a large number of devices to share a limited number of ports. 2. A device for making, breaking, or changing the connections in an electrical circuit.

  • Page 77: Appendix F: Specifications

    Broadband Router with 2 Phone Ports Appendix F: Specifications Model RT31P2-NA Standards IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX) Ports One 10/100 RJ-45 Internet Port, Three 10/100 RJ-45 Network Ports, Two Standard Phone Ports, One Power Port Button Reset Cabling Type...
  • Page 78 Broadband Router with 2 Phone Ports Unit Weight 12.70 oz. (0.36 kg) Power External, 12V DC, 1A Certifications FCC, cUL, CE Operating Temp. 0ºC to 40ºC (32ºF to 104ºF) Storage Temp. -20ºC to 60ºC (-4ºF to 140ºF) Operating Humidity 10% to 85%, Non-Condensing Storage Humidity 5% to 90%, Non-Condensing Appendix F: Specifications...

  • Page 79: Appendix G: Warranty Information

    Your exclusive remedy and Linksys' entire liability under this warranty will be for Linksys at its option to repair or replace the Product or refund Your purchase price less any rebates.

  • Page 80: Appendix H: Regulatory Information

    Broadband Router with 2 Phone Ports Appendix H: Regulatory Information FCC STATEMENT This product has been tested and complies with the specifications 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.

  • Page 81: Appendix I: Contact Information

    Can't find information about a product you want to buy on the web? Do you want to know more about networking with Linksys products? Give our advice line a call at: Or fax your request in to: If you experience problems with any Linksys product,...

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