Linksys WRT 1900AC User manual

USER GUIDE

WRT 900AC | Contents i
PRODUCT OVERVIEW
WRT900AC
SETTING UP YOUR ROUTER
5 Where to Find More Help
5 How to Install Your Router
HOW TO USE LINKSYS SMART WIFI
6 How to Connect to Linksys Smart Wi-Fi
6 How to Change Router Settings
TROUBLESHOOTING
0 Your router was not successfully set up
0 Windows XP Service Pack update
 Your Internet cable is not plugged in message
 Cannot access your router message
SPECIFICATIONS
3 Linksys WRT900AC
Contents

WRT 900AC | Product Overview 1
Product Overview
FRONT PANEL INDICATORS
(White) The power LED is solid white while the router is powered on. It will blink when
the router goes through its self-diagnostic mode during every boot-up.
Internet
(White/Amber) The Internet LED is solid white when connected to the Internet. It
blinks white while the router works to establish a connection. A solid amber LED
indicates the connection is down due to configuration issues. Amber blinking
indicates that the connection is down due to hardware issues.
2.4 GHz
(White) The Wireless LED is solid white when one or more clients are connected to
the 2.4 GHz network. If the LED is blinking white, the router is sending or receiving
data over the 2.4 GHz network.
5 GHz
(White) The Wireless LED is solid white when one or more clients are connected to
the 5GHz network. If the LED is blinking white, the router is sending or receiving
data over the 5 GHz network.
eSATA
(White) When off, the USB/eSATA port is off or a USB device is connected. The LED
is solid white when an eSATA device is connected. A blinking white LED indicates
activity through the eSATA port.
USB 
(White) When off, the USB /eSATA port is off or an eSATA device is connected. The
LED is solid white when a USB device is connected. A blinking white LED indicates
activity on the port.
USB2 Primary
(White) When off, the USB 3.0 port is off. The LED is solid white when a USB device
is connected. A blinking white indicates activity on the port.
USB2 Secondary
(White) When off, a USB .0 or USB 2.0 device is connected. A solid white LED
indicates a USB 3.0 device is connected.
ETHERNET  thru 4 (Primary)
(White) These numbered LEDs correspond with the numbered ports on the router’s
back panel. If the white LED is solid, the router is connected to a device through that
port. A flashing white LED indicates network activity over that port.
WRT AC
Front View
Front Panel ETHERNET
Secondary Indicators
USB 2
Secondary Indicator
USB 2
Primary Indicator
ETHERNET
Primary Indicators

WRT 1900AC | Product Overview 2
Product Overview
ETHERNET 1 thru 4 (Secondary)
(White) If the white LED is off, the router is successfully connected to a device
through that port at 10/100 Mbps. A solid white LED indicates that the router is
successfully connected to a device at 1000 Mbps.
(White/Amber) The Wi-Fi Protected Setup™ LED blinks slowly for two minutes during
Wi-Fi Protected Setup. It will be solid white for five seconds to indicate a successful
connection The LED blinks amber if the he Wi-Fi Protected Setup process fails.
Make sure the client device supports Wi-Fi Protected Setup. Wait until the LED is
off, and then try again. The router supports one session at a time.
Adjustable External Antennas
This router ships with four adjustable external antennas that should be connected
to the router before powering it on. To connect the antennas, twist the antenna
connector clockwise onto the antenna port on the router.
Note:
For best performance, position the side antennas vertically as shown in the picture.
Back View
Combo USB
2.0/eSATA Port
4 x Adjustable External Antennas
Reset
Button
Power PortInternet Port
USB 3.0 Port
Wi-Fi Protected
Setup Button Ethernet Ports
Wi-Fi Protected Setup button
Press to easily configure wireless security on Wi-Fi Protected Setup-enabled
network devices.
Ethernet Ports
Connect Ethernet cables to these blue gigabit (10/ 100/ 1000) ports, and to wired
devices on your network.
Note:
For best performance, use CAT5E or higher rated cables on the Ethernet ports.
Internet Port
Connect an Ethernet cable to this yellow gigabit (10/ 100/ 1000) port, and to a
broadband Internet cable/DSL or fiber modem.
Note:
For best performance, use CAT5E or higher rated cables on the Ethernet ports.
USB 3.0 Port
Connect and share a USB or eSATA drive on your network or on the Internet.
USB 2.0/eSATA Combo Port
Connect and share a USB or eSATA drive on your network or on the Internet. You
can also connect a USB printer and share it across your network.
Reset Button
Press and hold for 10 seconds (until the power LED starts flashing) to reset the
router to factory settings. You can also restore the factory settings using Linksys
Smart Wi-Fi on the Internet or mobile app.
Power Port
Connect the included AC power adapter.
Power Button
Press to turn on the router.

105 mm
WRT 900AC | Product Overview 3
Product Overview
Wall-Mounting Placement
The router has wall-mount slots on the bottom of each foot for flexibility in mounting
the router on the wall. The distance between the slots on the short side is 05 mm. The
distance between the slots on the longer side is 2   mm. Two screws are needed to
mount the router.
Suggested Mounting Hardware
3 mm
6-7 mm 1.5-2 mm
Note:
Linksys is not responsible for damages incurred by unsecured wall-mounting
hardware.
Mounting Instructions
. Determine where you want to mount the router and which side you should use to
mount it. Make sure that the wall you use is smooth, flat, dry, and sturdy. Make sure
the location is within reach of an electrical outlet.
2. Before drilling holes, choose the template (short side or long side) that fits your
installation. Drill the holes using the correct template.
3. Insert a screw into each hole and leave 4 mm of its head exposed.
4. Position the router so the wall-mount slots line up with the two screws.
5. Place the wall-mount slots over the screws and slide the router down until the
screws fit snugly into the wall-mount slots.
Wall-Mounting Template (Short Side)
Print this page at 00% size.
Cut along the dotted line, and place on the wall to ensure precise spacing of holes.

211 mm
WRT 900AC | Product Overview 4
Product Overview
Wall-Mounting Template (Long Side)
Print this page at 00% size.
Cut along the dotted line, and place on the wall to ensure precise spacing of holes.

WRT 900AC | Setting Up Your Router 5
Setting Up Your Router
WHERE TO FIND MORE HELP
• Linksys.com/support (documentation, downloads, FAQs, technical support, live
chat, forums)
• LinksysSmartWi-Fihelp(connecttoLinksys Smart Wi-Fi, then click Help at the
top of the screen)
HOW TO INSTALL YOUR ROUTER
To Install Your Router:
. If replacing an existing router, disconnect it. Power on your new router.
2. Connect the Internet cable from your modem to the yellow Internet port on your
router. Wait until the power light on the front of the router is solid.
3. Connect to the secure wireless network name shown in the Quick Start Guide
that came with your router. (You can change the network name and password later.)
If you need help connecting to the network, refer to your device documentation.
Note: You will not have Internet access until router setup is complete.
4. Open a web browser and follow the instructions to complete setup. If instructions
do not appear in the web browser, enter linksyssmartwifi.com in the
address bar.
5. At the end of setup, follow the on-screen instructions to set up your Linksys Smart
Wi-Fi account. Use Linksys Smart Wi-Fi to configure your router from any computer
with an Internet connection.
Manage Your Router’s Settings:
• Changeyourrouter’snameandpassword
• Setupguestaccess
• Configureparentalcontrols
• Connectdevicestoyournetwork
• TestyourInternetconnectionspeed
Note:
As part of Linksys Smart Wi-Fi account setup, you will be sent a verification e-mail.
Make sure that you open the e-mail and click the provided link.

HowtoUseLinksysSmartWi-Fi
Device List
Device List—Letsyoudisplayandmanageallnetworkdevicesconnectedto
yourrouter.Youcanviewdevicesonyourmainnetworkandyourguestnetwork,
disconnectdevices,ordisplayinformationabouteachdevice.
WRT 900AC|HowtoUseLinksysSmartWi-Fi 6
HOW TO CHANGE ROUTER SETTINGS
Note:
Foradditionalhelponanymenu,clickHelpatthetopofthescreen.
1. LogintoyourLinksysSmartWi-Fiaccount.
2.Inthemenuontheleft,clickanoption.
HOW TO CONNECT TO LINKSYS SMART WIFI
To Open Linksys Smart Wi-Fi:
1. ClicktheLinksysSmartWi-Fiicononyourdesktop(ifyouinstalledonthecomputer).
(or)
 Openawebbrowserandgotowww.linksyssmartwifi.com.
2.Entertheemailaddressandpasswordyousetupearlier,andclickLogin.

Media Prioritization
Parental Controls
Guest Access
WRT 1900AC|HowtoUseLinksysSmartWi-Fi 7
Guest Access —Letsyouconfigureandmonitoranetworkthatguestscanuse
withoutaccessingallofyournetworkresources.
Media Prioritization —Letsyousetwhichdevicesandapplicationshavetop
priorityforyournetworktraffic.
Parental Controls —LetsyoublockwebsitesandsetInternetaccesstimes.

Troubleshooting
Connectivity
Speed Test
USB Storage
WRT 900AC | How to Use Linksys Smart Wi-Fi 8
Speed Test — Lets you test your network’s Internet connection speed.
Connectivity — Lets you configure basic and advanced network settings.
USB Storage — Lets you access an attached USB drive (not included) and set up file
sharing, a media server, and FTP access. (Available only on routers with USB ports.) Troubleshooting — Lets you diagnose problems with your router and check the
status of the network.

SecurityWireless
WRT 900AC | How to Use Linksys Smart Wi-Fi 9
Wireless — Lets you configure your router’s wireless network. You can change
the security mode, password, MAC filtering, and connect devices using Wi-Fi
Protected Setup.
Security — Lets you configure your router’s wireless security. You can set up the
firewall, VPN settings, and make custom settings for applications and games.

WRT 900AC | Troubleshooting 10
Troubleshooting
Your Router’s Appearance May Vary
This chapter can help you solve common setup issues and connect to the Internet. You
can find more help from our award-winning customer support at linksys.com/support.
YOUR ROUTER WAS NOT SUCCESSFULLY SET UP
If Linksys Smart Wi-Fi Did Not Complete The Setup:
• Usingapapercliporpin,pressandholdtheResetbuttonuntiltheLEDstartsflashing
(about 0 seconds). Install the router again.
• Ifthatdoesn’twork,temporarilydisableyourcomputer’sfirewall(seethesecurity
software’s instructions for help). Install the router again.
• Ifyoustillhaven’tsetuptherouter,findanothercomputer,andusethatcomputerto
install the router again.
WINDOWS XP SERVICE PACK UPDATE
On Windows XP computers, Linksys Smart Wi-Fi requires Service Pack 3 in order
to work. If the currently installed Service Pack is older than version 3, you need to
download and install Service Pack 3.
Tip:
To temporarily connect to the Internet and download the required Service Pack,
you can use the included Ethernet cable to connect your computer directly to
your modem.
To Install Service Pack 3:
. Connect to the Microsoft Update website (update.microsoft.com/windowsupdate).
2. Follow the instructions on the website or contact Microsoft if you need
further help.
3. After downloading and installing Service Pack 3, install the router again.

WRT 1900AC | Troubleshooting 11
Troubleshooting
YOUR INTERNET CABLE IS NOT PLUGGED IN MESSAGE
If you get a “Your Internet cable is not plugged in” message when trying to set up
your router:
.MakesurethatanEthernetorInternetcable(oracableliketheonesuppliedwith
your router) is securely connected to the yellow INTERNETportonthebackofthe
router and to the appropriate port on your modem. This port on the modem is usually
labeled Ethernet,butmaybenamedInternet or WAN.
.Makesurethatyourmodemisconnectedtopowerandisturnedon.Ifithasapower
switch,makesurethatitissettotheON or lposition.
3.IfyourInternetserviceiscable,verifythatthecablemodem’sCABLE port is
connectedtothecoaxialcableprovidedbyyourISP.
4. Or,ifyourInternetserviceisDSL,makesurethattheDSLphonelineisconnectedto
the modem’s DSL port.
5.IfyourcomputerwaspreviouslyconnectedtoyourmodemwithaUSBcable,
disconnecttheUSBcable.
Install the router again.
CANNOT ACCESS YOUR ROUTER MESSAGE
 Toaccessyourrouter,youmustbeconnectedtoyourownnetwork.Ifyoucurrently
havewirelessInternetaccess,theproblemmaybethatyouhaveaccidentally
connectedtoadifferentwirelessnetwork.
To Fix the Problem on Windows Computers:
.OnyourWindowsdesktop,right-clickthewirelessiconinthesystemtray.
Icon could be different depending on your version of Windows.
2.ClickView Available Wireless Networks.Alistofavailablenetworksappears.
BackViewofRouter
BackViewofCableModem
BackViewofDSLModem

WRT 900AC | Troubleshooting 12
Troubleshooting
3. Click your own network name. Click Connect. In the example below, the computer
was connected to another wireless network named JimsRouter. The name of the
Linksys E-Series network, BronzeEagle in this example, is shown selected.
4. If you are prompted to enter a network key, type your password into the Network
key and Confirm network key fields. Click Connect.
You should now be able to access the router.
To Fix the Problem on Mac Computers:
. In the menu bar across the top of the screen, click the AirPort icon. A list of
wireless networks appears. Linksys Smart Wi-Fi has automatically assigned your
network a name.
2. In the example below, the computer was connected to another wireless network
named JimsRouter. The name of the Linksys E-Series network, BronzeEagle in
this example, is shown selected.
3. Click the wireless network name of your Linksys E-Series router (BronzeEagle in
the example).
4. Type your wireless network password into the Password field. Click OK.

WRT 900AC | Specifications 13
Specifications
Model Name Linksys Smart Wi-Fi Router AC 1900
Description Dual-Band AC Router with gigabit and 2×USB
Model Number WRT1900AC
Switch Port Speed 10/100/1000 Mbps (gigabit Ethernet)
Radio Frequency 2.4 GHz and 5 GHz
# of Antennas 4 external adjustable antennas
Ports Power, 1 x USB 3.0, 1 x combo USB 2.0/eSATA,
Internet, Ethernet (1-4), R-SMA (4)
Buttons Reset, Wi-Fi Protected Setup, Power
Front Panel Indicators Power, INTERNET, 2.4 GHz, 5GHz, USB1, USB2,
Ethernet (1-4), Wi-Fi Protected Setup
UPnP Supported
Security Features WEP, WPA, WPA2, RADIUS
Security Key Bits Up to 128-bit encryption
Storage File System Support FAT, NTFS, and HFS+
Browser Support Internet Explorer 8 or higher, Firefox 4 or higher,
Google Chrome 10 or higher, and Safari 4
or higher
LINKSYS WRTAC
Environmental
Dimensions 9.68” x 7.64” x 2.05” without antennas
(246 x 194 x 52 mm)
Unit Weight 36.68 oz (1.040 Kg)
Power 12V, 4.0A
Certifications FCC, IC, CE, Wi-Fi a/b/g/n/draft ac, Windows 7,
Windows 8, DLNA
Operating Temp. 32 to 104°F (0 to 40°C)
Storage Temp. -4 to 140°F (-20 to 60°C)
Operating Humidity 10 to 80% relative humidity, non-condensing
Storage Humidity 5 to 90% non-condensing
Note:
For regulatory, warranty, and safety information, see the CD that came with
your router or go to Linksys.com/support.
Specifications are subject to change without notice.
Maximum performance derived from IEEE Standard 802.11 specifications.
Actual performance can vary, including lower wireless network capacity, data
throughput rate, range and coverage. Performance depends on many factors,
conditions and variables, including distance from the access point, volume of
network traffic, building materials and construction, operating system used, mix
of wireless products used, interference and other adverse conditions.

Visit linksys.com/support for award-winning technical support
BELKIN, LINKSYS and many product names and logos are trademarks of the Belkin group of companies.
Third-party trademarks mentioned are the property of their respective owners. © 2014 Belkin International,
Inc. and/or its affiliates. All rights reserved.
8820-01656 Rev. A00

GUIDE DE
L'UTILISATEUR
DES PERFORMANCES OPTIMISÉES
ROUTEUR SANS FIL
DOUBLE BANDE

WRT 900AC | Table des matières
VUE D'ENSEMBLE DU PRODUIT
WRT900AC
CONFIGURATION DE VOTRE ROUTEUR
5 Où trouver de plus amples renseignements
5 Comment installer votre routeur
COMMENT UTILISER LE SANS FIL INTELLIGENTLINKSYS
6 Comment se connecter au Sans fil intelligent Linksys
6 Comment modifier les paramètres du routeur
DÉPANNAGE
0 Votre routeur n'a pas été configuré correctement
0 Mise à jour de Windows XP Service Pack
 Message : Votre câble Internet n'est pas branché
 Message : Impossible d'accéder à votre routeur
SPÉCIFICATIONS
3 Linksys WRT900AC
Table des matières

Vue d’ensemble du produit
WRT 900AC | Vue d’ensemble du produit 1
INDICATEURS DE PANNEAU AVANT
(Blanc) Le voyant d’alimentation demeure allumé en blanc pendant la mise sous tension du
routeur. Ce voyant clignote quand le routeur exécute l'autodiagnostic, à chaque démarrage.
Internet
(Blanc/orange) Le voyant Internet demeure allumé en blanc quand une connexion
Internet est établie. Le voyant clignote en blanc quand le routeur est en train
d'établir une connexion. Quand le voyant demeure allumé en orange, cela indique une
déconnexion en raison d'un problème de configuration. Quand le voyant clignote en
orange, cela indique une déconnexion en raison de problèmes de matériel.
2,4 GHz
(Blanc) Le voyant Sans fil demeure allumé en blanc quand un ou plusieurs clients sont
connectés au réseau 2,4 GHz. Si le voyant clignote en blanc, le routeur est en train de
recevoir ou envoyer des données sur le réseau 2,4 GHz.
5 GHz
(Blanc) Le voyant Sans fil demeure allumé en blanc quand un ou plusieurs clients sont
connectés au réseau 5GHz. Si le voyant clignote en blanc, le routeur est en train de
recevoir ou envoyer des données sur le réseau 5 GHz.
eSATA
(Blanc) Quand il n'est pas allumé, le port USB/eSATA est inactif ou un périphérique
USB est connecté. Le voyant demeure allumé en blanc quand un périphérique eSATA
est connecté. Le voyant clignote en blanc en cas d'activité sur le port eSATA.
USB 
(Blanc) Quand il n'est pas allumé, le port USB/eSATA est inactif ou un périphérique
eSATA est connecté. Le voyant demeure allumé en blanc quand un périphérique USB
est connecté. Le voyant clignote en blanc en cas d'activité sur ce port.
USB2 principal
(Blanc) Quand il est éteint, le port USB 3.0 est inactif. Le voyant demeure allumé en
blanc quand un périphérique USB est connecté. Le voyant clignote en blanc en cas
d'activité sur ce port.
USB2 secondaire
(Blanc) Quand il est éteint, un périphérique USB .0 ou USB 2.0 est branché. Quand le
voyant demeure allumé en blanc, cela indique qu'un appareil USB 3.0 est branché.
ETHERNET  à 4 (principal)
(Blanc) Ces voyants numérotés correspondent aux ports numérotés sur le panneau
arrière du routeur. Si le voyant blanc demeure allumé, le routeur est connecté à un
périphérique par l'intermédiaire de ce port. Un voyant qui clignote en blanc indique une
activité de réseau sur ce port.
WRT AC
Vue avant
Panneau avant ETHERNET
Indicateurs
secondaires
USB 2
Indicateur
secondaire
USB 2
Indicateur
principal
ETHERNET
Indicateurs
principaux

Vue d’ensemble du produit
WRT 900AC | Vue d’ensemble du produit 2
ETHERNET  à 4 (secondaire)
(Blanc) Si le voyant blanc est éteint, le routeur a réussi à se connecter à un périphérique
par l'intermédiaire de ce port à 0/00 Mbits/s. Si le voyant blanc demeure allumé en
blanc, le routeur a réussi à se connecter à un périphérique à 000 Mbits/s.
(Blanc/orange) Le voyant Wi-Fi Protected Setup™ clignote lentement pendant deux
minutes pendant Wi-Fi Protected Setup (Configuration de l'accès sans fil protégé). Il
demeurera allumé en blanc pendant cinq secondes pour indiquer qu'une connexion a
été correctement établie. Le voyant clignote en orange si le processus Wi-Fi Protected
Setup a échoué. Assurez-vous que le périphérique client prenne en charge Wi-Fi
Protected Setup. Attendez que le voyant soit éteint, puis recommencez. Le routeur
autorise une session WPS à la fois.
Antennes externes ajustables
Ce routeur est fourni avec 4 antennes externes ajustables qui doivent être branchées
sur le routeur avant la mise sous tension. Pour brancher les antennes, insérez le
connecteur sur le port antenne et tournez dans le sens horaire.
Remarque:
Pour améliorer la performance, positionnez les antennes de côté verticalement
comme indiqué sur l’illustration.
Vue arrière
Port combiné
USB 2.0/eSATA
4 x antennes externes ajustables
Bouton
Reset
Port d'alimentationPort Internet
Port USB 3.0
Bouton Wi-Fi
Protected Setup Ports Ethernet
Bouton Wi-Fi Protected Setup
Appuyez sur ce bouton pour configurer facilement la sécurité de l'accès sans fil sur
les périphériques réseau compatibles Wi-Fi Protected Setup (Configuration de l'accès
sans fil protégé).
Ports Ethernet
Branchez des câbles Ethernet à ces ports Gigabit (0/ 00/ 000) bleus, et aux
périphériques connectés à votre réseau en mode filaire.
Remarque:
Pour améliorer la performance, utilisez des câbles CAT5E ou supérieur sur les
ports Ethernet.
Port Internet
Branchez un câble Ethernet sur ce port Gigabit (0/ 00/ 000) jaune, et sur un modem
Internet large bande câble/DSL ou fibre optique.
Remarque:
Pour améliorer la performance, utilisez des câbles CAT5E ou supérieur sur les
ports Ethernet.
Port USB 3.0
Branchez et partagez un périphérique USB ou eSATA sur votre réseau ou sur Internet.
Port combiné USB 2.0/eSATA
Branchez et partagez un périphérique USB ou eSATA sur votre réseau ou sur Internet.
Vous pouvez aussi brancher une imprimante USB et la partager sur votre réseau.
Bouton Reset (réinitialisation)
Maintenez ce bouton enfoncé pendant 0 secondes (jusqu'à ce que le voyant de mise
sous tension commence à clignoter) pour réinitialiser le routeur aux paramètres établis
par défaut à l'usine. Vous pouvez également réinitialiser les paramètres par défaut à
l'aide du site Internet ou de l'application mobile du Sans fil intelligent Linksys.
Port d'alimentation
Raccordez l'adaptateur d'alimentation c.a. fourni à ce port.
Bouton marche/arrêt
Appuyez pour mettre le routeur sous tension.