Linksys BEFSR41 Crimping Your Own Network Cables, Straight-Through Cabling Cross-Over Cabling

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Instant Broadband™ Series

Crimping Your Own Network Cables

•Straight-Through Cabling

•Cross-Over Cabling

EtherFast® Cable/DSL Routers

4-Port Router Specifications

Model Number	BEFSR41 v2
Standards	IEEE 802.3 (10BaseT), IEEE 802.3u (100BaseTX)
Protocol	CSMA/CD
Ports
LAN:	Four 10/100 RJ-45 switched ports
WAN:	One 10Base-T Ethernet RJ-45 port for the cable or
	DSL modem
Speed
LAN:	10/100Mbps
WAN:	10Mbps
Cabling Type
10BaseT:	UTP Category 3 or better
100BaseTX:	UTP Category 5 or better
Topology	Star
LED Indicators	Power,
LAN:	Link/Act, Full/Coll, 100
WAN:	Link, Act, Diag

4-Port Environmental Specifications
Dimensions	7.31" x 6.16" x 1.88" (186mm x 154mm x 48mm)
Unit Weight	13.4 oz. (0.42 kg)
Power Input	External, 9V AC, 1 Amp
Certifications	FCC Class B, CE Mark Commercial
Operating Temperature	0°C to 40°C (32°F to 104°F)
Storage Temperature	-20°C to 70°C (-4°F to 158°F)
Operating Humidity	10% to 85%, Non-condensing
Storage Humidity	5% to 90%, Non-condensing

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Contents EtherFast Cable/DSL Routers Copyright & Trademarks Table of Contents Package Contents for the 4-Port Router BEFSR41 One FeaturesIntroduction Linksys EtherFast Cable/DSL RouterPackage Contents for the 3-Port Router BEFSRU31 Package Contents for the 1-Port Router BEFSR11Getting to Know the 4-Port EtherFast Cable/DSL Router LAN Indicators4-Port Router’s Rear Panel Port Router’s Front Panel LEDsGetting to Know the 1-Port EtherFast Cable/DSL Router One-Port Router’s Rear PanelOne-Port Router’s Ports Port 1-Port Router’s Front Panel LEDs WAN Indicators3-Port Router’s Rear Panel Ports Getting to Know the 3-Port EtherFast Cable/DSL Router3-Port Router’s Front Panel LEDs ButtonsIP Addressing a Quick Lesson OverviewWhat’s an IP Address? LANs and WANsDhcp Dynamic Host Configuration Protocol Servers Connecting Your Hardware Together and Booting UpDynamic IP Addresses Technical Checkpoint Uplinking Connecting More Devices to Your RouterInstalling the Windows 98 Driver Installing the BEFSRU31’s USB Port DriversInstant Broadband Series Installing the Windows 2000 Driver Instant Broadband Series Installing the Windows Millennium Driver Installing the Windows XP Driver Configuring PCs to Connect to the Cable/DSL Router Configuring Your Network with the Cable/DSL RouterConfiguring the Cable/DSL Router Cable/DSL Router’s Web- based Utility Quick & Easy Router AdministrationSetup Status Password StatusLog DhcpPC-cillin Settings ZoneAlarm Pro SettingsSecurity Software DownloadDynamic Routing HelpIP Filtering Using MTU Maximum Transmission Unit Using Remote UpgradeUsing Port Triggering IP ForwardingStatic Dynamic Routing Static RoutingDMZ Hosting Troubleshooting Common Problems and SolutionsMAC Address Clone Can’t access my e-mail or the Internet When I enter a URL or IP address, I get a time out errorFrequently Asked Questions Can’t obtain an IP address from my cable or DSL modemInstant Broadband Series Glossary Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series Instant Broadband Series How to Ping Your ISP’s E-mail & Web Addresses AppendixStep One Pinging an IP Address Step Two Pinging for a Web Address Installing the TCP/IP ProtocolTwisted-Pair Cabling TCP/IP Installation is now completePort Environmental Specifications Port Router SpecificationsCrimping Your Own Network Cables Straight-Through Cabling Cross-Over CablingBEFSR11 Copyright 2002 Linksys, All Rights Reserved Customer Support