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Linksys WRT400N User Manual

Linksys WRT400N
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Chapter 1
Product Overview
1
Simultaneous Dual-Band Wireless-N Router
Chapter 1:
Product Overview
Thank you for choosing the Linksys by Cisco Simultaneous
Dual-Band Wireless-N Router. The Router lets you access
the Internet via a wireless connection or through one of
its four switched ports. You can also use the Router to
share resources, such as computers.
For more wireless bandwidth, the Router can create two
simultaneous yet separate Wireless-N networks, one
using the 5 GHz band and one using the 2.4 GHz band.
For example, use the Wireless-N 2.4 GHz network to
surf, e-mail, and print while keeping the less crowded,
Wireless-N 5 GHz network free for time-sensitive traffic
like music, gaming, and high-definition video. For more
information, refer to Simultaneous Networks, page 10.
Front Panel
1, 2, 3, 4 (Blue) These numbered LEDs,
corresponding with the numbered ports on the
Routers back panel, serve two purposes. If the
LED is continuously lit, the Router is successfully
connected to a device through that port. A
flashing LED indicates network activity over
that port.
Wi-Fi Protected Setup Button If you have
client devices, such as wireless adapters, that
support Wi-Fi Protected Setup, then you can
use Wi-Fi Protected Setup to automatically
configure wireless security for your wireless
network(s).
To use Wi-Fi Protected Setup, run the Linksys
Easy Link Advisor (LELA) , or refer toWi-Fi
Protected Setup, page 11.
Wi-Fi Protected Setup (WPS) LED (Blue/
Amber) The LED flashes blue for two
minutes during the WPS process and lights
up blue when the WPS process is successful.
The LED lights up amber if there is an error
during the Wi-Fi Protected Setup process. Make
sure the client device supports Wi-Fi Protected
Setup. Wait until the LED is off, and then try again.
The LED flashes when a Wi-Fi Protected Setup
session is active. The Router supports one
session at a time. Wait until the LED is solidly lit,
or off before starting the next Wi-Fi Protected
Setup session.
Wireless (Blue) The Wireless LED lights up
when the wireless feature is enabled. If the LED
is flashing, the Router is actively sending or
receiving data over the network.
Internet (Blue) The Internet LED lights up
when there is a connection made through the
Internet port. A flashing LED indicates network
activity over the Internet port. The LED lights up
Green when it is connected to 10/100 port and
Blue when it is connected to a gigabit port.
Power (Blue) The Power LED lights up and will
stay on while the Router is powered on. When
the Router goes through its self-diagnostic
mode during every boot-up, this LED will flash.
When the diagnostic is complete, the LED will
be solidly lit.
Back Panel
Internet The Internet port is where you will
connect your cable or DSL Internet connection.
1, 2, 3, 4 These Ethernet ports (1, 2, 3, 4) connect
the Router to PCs on your wired network and
other Ethernet network devices.
Reset There are two ways to reset the Routers
factory defaults. Either press and hold the Reset
Button for approximately five seconds, or restore
the defaults from Administration > Factory
Defaults in the Routers web-based utility.
Power The Power port is where you will
connect the power adapter.

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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

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