Linksys WRT1900ACS Mode d’emploi
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TABLE OF CONTENTS
HARDWARE INFORMATION
What is the Linksys WRT1900ACS Dual-Band Wi-Fi Router with Ultra-Fast 1.6 GHz
CPU?
1.
What are the parts of the Linksys WRT1900ACS?
2.
What does the LED behavior of the Linksys WRT1900ACS indicate?
3.
What is the warranty period of the Linksys WRT1900ACS?
4.
Where can I find the router’s serial number?
5.
What USB standard does the Linksys WRT1900ACS support?
6.
What is the recommended antenna position for the Linksys WRT1900ACS?
7.
What is the Combo USB 2.0 / eSATA port on my Linksys WRT1900ACS and how does it
work?
8.
What is the Network Map feature of my Linksys WRT1900ACS and how can I use it?
9.
Can I wall-mount the Linksys WRT1900ACS?
10.
Is the Linksys WRT1900ACS stackable?
11.
Does the Linksys WRT1900ACS v1 support Open Source?
12.
What is the Wireless Scheduler feature of my Linksys WRT1900ACS and how can I use
it?
13.
SETUP & INSTALLATION
What requirements are needed in setting up the Linksys WRT1900ACS?
1.
How do I set up the Linksys WRT1900ACS?
2.
Will I be able to run the setup software on a wired computer even though my wireless
adapter is disabled?
3.
What are the default IP Address and password of the Linksys WRT1900ACS?
4.
Can I configure my 5 GHz network during set up?
5.
Can I configure my Linksys WRT1900ACS as a wireless bridge or repeater?
6.
FIRMWARE UPGRADE
How do I upgrade the firmware on the Linksys WRT1900ACS?
1.
Is the Linksys WRT1900ACS v1 firmware compatible with the Linksys WRT1900ACS v2
firmware and vice versa?
2.
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WIRELESS CONNECTION & SECURITY
What wireless security modes does the Linksys WRT1900ACS support?
1.
Which wireless connection standards and frequencies are supported by the Linksys
WRT1900ACS?
2.
Does the Linksys WRT1900ACS support the 80 MHz channel width on the 5 GHz
frequency?
3.
How do I connect a wireless device to the wireless network of the Linksys
WRT1900ACS?
4.
Where can I see the default wireless network name (SSID) and passphrase of the
Linksys WRT1900ACS?
5.
Can I change the default wireless settings during setup?
6.
Does the Linksys WRT1900ACS support simultaneous dual-band (2.4 GHz and 5 GHz)
connection?
7.
What is the 802.11ac standard and what is its speed?
8.
Which wireless band should be used to achieve a speed of up to 1300 Mbps?
9.
How many Guest networks can I set up on my Linksys WRT1900ACS?
10.
ADVANCED CONFIGURATION
What is a media server and how does it work?
1.
Can I connect a USB hub to the USB port of the Linksys WRT1900ACS to use multiple
devices?
2.
Does the Linksys WRT1900ACS allow VPN tunnels using IPSec, L2TP or PPTP
protocols as pass-through?
3.
Does the Linksys WRT1900ACS support SPI firewall?
4.
Does the Linksys WRT1900ACS offer a Filter IDENT that block specific Internet data
types?
5.
What is Demilitarized Zone (DMZ) and what is it used for?
6.
What Dynamic Domain System (DDNS) providers does the Linksys WRT1900ACS
support?
7.
TROUBLESHOOTING
How can I reset the Linksys WRT1900ACS to factory defaults?
1.
I have reset the Linksys WRT1900ACS and now I can’t launch the setup page. What do
I do?
2.
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What should I do if I can't connect to the Internet wirelessly and my network name is not
listed in Available Networks?
3.
What should I do when my wireless network performance is slow, inconsistent or having
difficulty maintaining a VPN connection?
4.
The Parental Controls feature blocks HTTPS but returns a blank page instead of
redirecting to the Parental Controls screen. Is this a normal behavior?
5.
HARDWARE INFORMATION
1. What is the Linksys WRT1900ACS Dual-Band Wi-Fi Router with Ultra-Fast 1.6 GHz CPU?
The Linksys WRT1900ACS Dual-Band Wi-Fi Router with Ultra-Fast 1.6 GHz CPU is a simultaneous
dual-band 3 x 3 Gigabit router with USB / External Serial Advanced Technology Attachment (eSATA)
ports that supports a maximum of 600 Mbps on the 2.4 GHz band and up to 1.3 Gbps on the 5 GHz
band. It comes with four (4) high-performance external antennas for enhanced dual-band
communication, maximum signal strength, better coverage and range. The antennas are adjustable to
customize your wireless signal for single or multi-story buildings and are removable to accommodate
upgrades. For more information about the product features and specification of the Linksys
WRT1900ACS, click here(https://kb.linksys.com/us/support-article?articleNum=178016).
2. What are the parts of the Linksys WRT1900ACS?
The Linksys WRT1900ACS has the following parts:
Four (4) detachable high-performance external antennas
LED lights:
Power
Internet
2.4 GHz
5 GHz
eSATA
USB 1
USB 2 (primary and secondary)
Ethernet 1 ~ 4 (primary and secondary)
Wi-Fi Protected Setup™ (WPS)
Buttons:
WPS
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Reset
Ports:
Ethernet 1 ~ 4
Internet
USB 3.0
Combo port USB 2.0 / eSATA
Power connector
3. What does the LED behavior of the Linksys WRT1900ACS indicate?
The LED behavior indicates the different activities and the status of your router. For a detailed
description on the different Linksys WRT1900ACS LED activities, click here(https://kb.linksys.com
/us/support-article?articleNum=178016#LEDs).
4. What is the warranty period of the Linksys WRT1900ACS?
The warranty period is dependent on the country of purchase. For more information about your
device’s warranty, click here(https://kb.linksys.com/us/support-article?articleNum=135959).
5. Where can I find the router’s serial number?
The router’s serial number is printed on the sticker located underneath the device. You can also locate
this via the router’s web-based setup page by going to Troubleshooting > Status > Report.
6. What USB standard does the Linksys WRT1900ACS support?
The Linksys WRT1900ACS has a USB 2.0 / eSATA port and a USB 3.0 port which are backward-
compatible with older USB versions.
7. What is the recommended antenna position for the Linksys WRT1900ACS?
For more information and image reference, click here(https://kb.linksys.com/us/support-
article?articleNum=138847).
8. What is the Combo USB 2.0 / eSATA port on my Linksys WRT1900ACS and how does it work?
The Combo USB 2.0 / eSATA port of the Linksys WRT1900ACS allows you to connect a USB external
hard drive or an eSATA drive to the network.
NOTE: You can only connect one (1) device at a time. The Linksys WRT1900ACS supports SATA-II.
9. What is the Network Map feature of my Linksys WRT1900ACS and how can I use it?
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The Network Map feature of your Linksys WRT1900ACS allows you to manage and monitor your
devices’ connection to the network. For an overview of the functions of your Network Map Tool, click
here(https://kb.linksys.com/us/support-article?articleNum=136118). To know how to manage devices
using the Network Map Tool, click here(https://kb.linksys.com/us/support-article?articleNum=138954).
10. Can I wall-mount the Linksys WRT1900ACS?
Yes. For instructions on how to wall-mount, click here(https://kb.linksys.com/us/support-
article?articleNum=140774).
11. Is the Linksys WRT1900ACS stackable?
Yes, the Linksys WRT1900ACS is stackable. However, it is recommended that it should be stacked on
top of other stackable devices. Do NOT stack any other devices on top of it to prevent blocking the
ventilation of the router.
12. Does the Linksys WRT1900ACS v1 support Open Source?
Yes, Linksys WRT1900ACS v1 is Open Source-ready. With this, the Open Source community's
demand for Linksys router source codes is met. The base source code is made available for coders to
be able to tweak their own firmware. However, Linksys will only support the official firmware. Since
only the base codes are available, the final consumer codes would have its own security encoding,
which makes it safe for daily use.
13. What is the Wireless Scheduler feature of my Linksys WRT1900ACS and how can I use it?
The Wireless Scheduler feature of your Linksys WRT1900ACS allows you to turn OFF or ON the
wireless networks, including the Guest networks at your preferred time. To know more about this, click
here(https://kb.linksys.com/us/support-article?articleNum=140821).
SETUP & INSTALLATION
1. What requirements are needed in setting up the Linksys WRT1900ACS?
Before setting up the Linksys WRT1900ACS, you will need the following:
A broadband Internet connection
At least one (1) computer with a wired or wireless network adapter
RJ45 Ethernet cable/s
Internet browser (Internet Explorer® 8 or higher, Firefox® 8 or higher, Google Chrome™ 10 or higher,
or Safari® 5 or higher)
2. How do I set up the Linksys WRT1900ACS?
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Setting up the Linksys WRT1900ACS is made fast and easy because of its CD-less setup. Now you
can run the setup from a web browser even if the router initially has no Internet connection and is on
factory default settings. To learn how to set up the Linksys WRT1900ACS, click
here(https://kb.linksys.com/us/support-article?articleNum=142526).
3. Will I be able to run the setup software on a wired computer even though my wireless adapter
is disabled?
Yes, you will be able to run the setup software on a wired computer even though the wireless adapter is
disabled. Just connect the router to the computer using an Ethernet cable, open a web browser and
start the setup process.
4. What are the default IP Address and password of the Linksys WRT1900ACS?
The default IP Address for this router is 192.168.1.1. The default password is admin.
5. Can I configure my 5 GHz network during set up?
Wireless setting changes during setup apply to both the 2.4 GHz and 5 GHz bands. You can configure
unique wireless settings for these bands after you complete the setup. To learn how you can set up the
Linksys WRT1900ACS's 5 GHz network, click here(https://kb.linksys.com/us/support-
article?articleNum=142526).
6. Can I configure my Linksys WRT1900ACS as a wireless bridge or repeater?
Yes. The Linksys WRT1900ACS can be configured as a wireless bridge or repeater. To learn how to
configure a Linksys Smart Wi-Fi Router to work as a wireless bridge, click here(https://kb.linksys.com
/us/support-article?articleNum=141083). For instructions on how to configure it as a wireless repeater,
click here(https://kb.linksys.com/us/support-article?articleNum=136155).
FIRMWARE UPGRADE
1. How do I upgrade the firmware on the Linksys WRT1900ACS?
Log in to your Linksys cloud account. Go to Connectivity and, under the Basic tab, tick the Automatic
checkbox. This will automatically upgrade the Linksys WRT1900ACS if there is a new firmware
available. You may also click the Check for Updates button to identify if there is a new firmware
available.
NOTE: To upgrade the firmware manually, you can click the Choose File button. However, you first
need to download the appropriate firmware from the Linksys WRT1900ACS Downloads
page(https://kb.linksys.com/us/support-article?articleNum=165487).
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2. Is the Linksys WRT1900ACS v1 firmware compatible with the Linksys WRT1900ACS v2
firmware and vice versa?
No, the Linksys WRT1900ACS v1 firmware is NOT compatible with the Linksys WRT1900ACS v2
firmware and vice versa.
WIRELESS CONNECTION & SECURITY
1. What wireless security modes does the Linksys WRT1900ACS support?
The Linksys WRT1900ACS supports WEP, WPA2™ Personal, WPA2™ Enterprise, WPA2™ /
WPA™ Mixed Personal, WPA2™ / WPA™ Mixed Enterprise.
2. Which wireless connection standards and frequencies are supported by the Linksys
WRT1900ACS?
The Linksys WRT1900ACS is compatible with 802.11ac, 802.11b, 802.11g, 802.11n and
802.11a technologies. It supports the 2.4 GHz and 5 GHz frequencies.
3. Does the Linksys WRT1900ACS support the 80 MHz channel width on the 5 GHz frequency?
Yes, the 5 GHz band supports the 80 MHz channel width provided that the Channel Width option in the
router's web-based setup page is set to Auto. There is currently no option to select the 80 MHz only
setting.
4. How do I connect a wireless device to the wireless network of the Linksys WRT1900ACS?
To connect a wireless device to the network, you will need to know your wireless settings such as the
network name (SSID) and password. For specific instructions, click here(https://kb.linksys.com
/us/support-article?articleNum=143213).
5. Where can I see the default wireless network name (SSID) and passphrase of the Linksys
WRT1900ACS?
The default network name (SSID) and passphrase can be located at the bottom of the Linksys
WRT1900ACS.
6. Can I change the default wireless settings during setup?
Yes, you will have the option to customize the network name (SSID) and the passphrase.
7. Does the Linksys WRT1900ACS support simultaneous dual-band (2.4 GHz and 5 GHz)
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connection?
Yes, the Linksys WRT1900ACS supports simultaneous dual-band connection.
8. What is the 802.11ac standard and what is its speed?
The 802.11ac is a standard that works on the 5 GHz band of the Linksys WRT1900ACS. It can have a
wireless speed of up to 1300 Mbps when matched with an 802.11ac adapter and when the Channel
Width of the router is set to Auto.
9. Which wireless band should be used to achieve a speed of up to 1300 Mbps?
The speed of up to 1300 Mbps can be achieved if the 5 GHz band is used.
NOTE: Your wireless device should also support the high data rates of up to 1300 Mbps.
10. How many Guest networks can I set up on my Linksys WRT1900ACS?
The Linksys WRT1900ACS allows you to have two (2) Guest networks for the 2.4 GHz and 5 GHz
networks respectively. With these, your visitors at home can connect to the Internet but not have
access to your shared storage devices, and printer .
NOTE: This router supports up to 50 guests.
ADVANCED CONFIGURATION
1. What is a media server and how does it work?
It allows Digital Living Network Alliance (DLNA®) devices including digital media players, gaming
consoles, and digital picture frames to access video, music, and pictures that are stored on a USB hard
drive that is connected to the Linksys WRT1900ACS. Its Storage File System supports File Allocation
Table (FAT), Hierarchical File System Plus (HFS+) and New Technology File System (NTFS).
2. Can I connect a USB hub to the USB port of the Linksys WRT1900ACS to use multiple
devices?
No, you cannot connect a USB hub to the USB port of your Linksys WRT1900ACS.
3. Does the Linksys WRT1900ACS allow VPN tunnels using IPSec, L2TP or PPTP protocols as
pass-through?
Yes, the Linksys WRT1900ACS allows VPN tunnels using Internet Protocol Security (IPSec), Layer 2
Tunneling Protocol (L2TP) or Point-To-Point Tunneling Protocol (PPTP) as pass-through.
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4. Does the Linksys WRT1900ACS support SPI firewall?
Yes, this helps protect your local network from Internet threats. This option is enabled by default.
5. Does the Linksys WRT1900ACS offer a Filter IDENT that block specific Internet data types?
Yes, this feature keeps port 113 from being scanned by devices outside of your local network. This
option is enabled by default.
6. What is Demilitarized Zone (DMZ) and what is it used for?
The DMZ feature allows one (1) local user to be exposed to the Internet for use of a special-purpose
service such as Internet gaming and videoconferencing (VC). The DMZ hosting forwards all the ports
at the same time to one (1) computer.
NOTE: Port Forwarding is more secure compared to enabling the DMZ feature because it only opens
the ports you want to open.
7. What Dynamic Domain System (DDNS) providers does the Linksys WRT1900ACS support?
The Linksys WRT1900ACS supports DynDNS.org and NO-IP.com providers.
TROUBLESHOOTING
1. How can I reset the Linksys WRT1900ACS to factory defaults?
There are two (2) ways to reset the Linksys WRT1900ACS to factory defaults:
Hardware Reset – Press and hold the Reset button at the back panel of the router for 10 seconds
then release.
Software Reset – Log in to your Linksys cloud account. Under Router Settings,
click Troubleshooting > Diagnostics. Click Reset under Factory reset.
2. I have reset the Linksys WRT1900ACS and now I can’t launch the setup page. What do I do?
You can try the following troubleshooting steps:
Step 1:
Enter “myrouter.local” or “192.168.1.1” in the Address bar of a web browser.
Step 2:
If your computer has a static IP Address, make sure it has valid DNS numbers. If not, set the
computer to obtain an IP Address automatically.
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