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Linksys WRT400N User Manual

Linksys WRT400N
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USER GUIDE
Simultaneous Dual-Band
Wireless-N Router
Model: WRT400N

Table of Contents

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Linksys WRT400N Specifications

Operating Environment IconOperating Environment
operating temperature32 to 104°F (0 to 40°C)
storage temperature-4 to 158°F (-20 to 70°C)
operating humidity10 to 85%, Noncondensing
Power IconPower
power12V, 1.5A
portsPower, Ethernet, Internet
buttonReset, Wi-Fi Protected Setup
Wireless Specifications IconWireless Specifications
standardsDraft 802.11n, 802.11a, 802.11g, 802.11b, 802.3, 802.3u
modulations802.11b: CCK, QPSK, BPSK; 802.11g: OFDM; 802.11a: OFDM; Wireless-N: BPSK, QPSK, 16-QAM, 64-QAM
streamsTwo Spatial Streams for Transmitting and Receiving in 2.4 GHz and 5 GHz Radio Band
Security IconSecurity
security featuresWEP, WPA, WPA2
wep key bitsUp to 128-Bit Encryption
receive sensitivity 2.4GHz11Mbps: -88 dBm @ Typical, 54Mbps: -72 dBm @ Typical, MCS15 (20MHz): -68 dBm @ Typical, MCS15 (40MHz): -65 dBm @ Typical
Weight and Dimensions IconWeight and Dimensions
dimensions8.07" x 1.38" x 6.30" (205 x 35 x 160 mm)
weight1.01 lb (460 g)
number of antennas4 Total, 2 Internal Antennas per Each 2.4 GHz & 5 GHz Radio Band

Summary

About This Guide

Icon Descriptions

Explains icons used in the guide for quick reference.

Online Resources

Lists website addresses for support, glossary, and security information.

Chapter 1: Product Overview

Front and Back Panel Overview

Details the router's front panel LEDs/buttons and back panel ports/reset button.

Router Placement

Provides instructions for horizontal and wall-mounting the router.

Chapter 2: Wireless Security Checklist

Wireless Security Best Practices

Covers changing SSID/password, MAC filtering, and encryption for network security.

General Network Security and Additional Tips

Provides guidelines for overall network security and physical placement advice.

Chapter 3: Advanced Configuration

Accessing the Router Utility

Guides users on accessing the router's configuration interface via a web browser.

Basic Setup and Internet Connectivity

Covers router's general settings, language, and various internet connection types.

Network Settings and DHCP Management

Details network configuration, DHCP server settings, and IP address reservation.

Time, DDNS, and MAC Address Settings

Covers time zone, Dynamic DNS, and MAC address cloning configurations.

Advanced Routing and Network Setup

Explains static routing configuration and network address settings.

Basic Wireless Network Configuration

Configures fundamental wireless network settings for 2.4 GHz and 5 GHz bands.

Wi-Fi Protected Setup (WPS)

Provides methods for configuring wireless security using WPS for client devices.

Wireless Security Options

Explains WPA, WPA2, RADIUS, and WEP security modes for wireless networks.

Wireless MAC Filtering

Allows filtering wireless users by MAC address, permitting or blocking access.

Advanced Wireless Settings

Covers advanced wireless functions like AP Isolation, authentication, and transmission rates.

Firewall and VPN Passthrough Settings

Configures firewall rules and enables VPN tunnels (IPSec, PPTP, L2TP) through the router.

Internet Access Restrictions

Manages access policies to deny or allow specific internet usage by day and time.

Port Forwarding Configuration

Customizes port services for applications and public services like web servers.

Port Triggering and DMZ Setup

Manages port triggering and exposes a computer via DMZ for specific services.

Quality of Service (QoS) Prioritization

Prioritizes network traffic for demanding applications like voice and video.

Administration and Management Options

Manages router functions, security, passwords, and remote access settings.

Logging and Diagnostic Tools

Monitors network traffic logs and performs diagnostic tests like Ping and Traceroute.

Factory Defaults and Firmware Updates

Restores router settings to factory defaults and updates the router's firmware.

Network Status Information

Displays current status of the router, local network, and wireless networks.

Appendix A: Troubleshooting

Appendix B: Specifications

Appendix C: Warranty Information

Appendix D: Regulatory Information

Appendix E: Software End User License Agreement

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