Deco X20-DSL
AX1800 VDSL Whole Home Mesh Wi-Fi 6 System
User Guide
VDSL Mesh Wi-Fi 6 System
1910013005 REV1.0.0 © 2021 TP-Link
Contents
About This Guide ·························································· 1
Appearance ·····································································2
Before You Start ··························································· 3
Set Up Your Deco as A DSL Modem Router ··4
Set Up Your Deco as A Wireless Router ··········· 8
Add More Decos ························································ 12
Dashboard ····································································· 13
Check Deco Status ·················································· 14
Set Main Deco ····························································· 15
Manage Connected Devices ······························ 16
Remove/Reboot Deco ············································17
Guest Network ····························································23
Blacklist ··········································································· 24
Upgrade Your Deco ·················································· 25
WPS ···················································································26
Managers ·······································································27
Advanced Features ··················································28
FAQ ···················································································· 34
Authentication ····························································· 35
Create A New Network ···········································18
Delete A Network ·······················································20
HomeShield ·································································· 21
Wi-Fi Settings·······························································22
About This Guide
This guide provides a brief introduction to Deco VDSL Whole Home Mesh Wi-Fi 6 System and the Deco app, as well as regulatory information.
Features available in Deco may vary by model and software version. Deco availability may also vary by region or ISP. All images, steps, and descriptions
in this guide are only examples and may not reect your actual Deco experience.
Conventions
In this guide, the following conventions are used:
Convention Description
Deco
Underline
Teal
Note:
Tips:
More Info
• Specic product information can be found on the product page at
https://www.tp-link.com.
• A Technical Community is provided for you to discuss our products
at https://community.tp-link.com.
• Our Technical Support contact information can be found at the
Help center of the Deco app and the Contact Technical Support
page at https://www.tp-link.com/support.
Stands for Deco Whole Home Mesh Wi-Fi System/
Unit.
Hyperlinks are in teal and underlined. You can click to
redirect to a website or a specic section.
Key information appears in teal, including
management page text such as menus, items,
buttons and so on.
Ignoring this type of note might result in a malfunction
or damage to the device.
Indicates important information that helps you make
better use of your device.
Speed/Coverage/Device Quantity Disclaimer
Maximum wireless signal rates are the physical rates derived from IEEE
Standard 802.11 specications. Actual wireless data throughput and
wireless coverage, and quantity of connected devices are not guaranteed
and will vary as a result of network conditions, client limitations, and
environmental factors, including building materials, obstacles, volume and
density of trac, and client location.
MU-MIMO Disclaimer
Use of MU-MIMO requires clients to also support MU-MIMO.
Seamless Roaming Disclaimer
Clients need to support 802.11k/v/r and may require additional set up.
Performance may vary depending on the client device.
HomeShield Disclaimer
HomeShield includes the Free Basic Plan. Fees apply for the Pro Plan. Visit
tp-link.com/homeshield for more information.
1
Appearance
Each Deco has an LED that changes color according to its status, a DSL LED that indicates the DSL synchronization process and the connection
status, four RJ-45 Ethernet ports, one DSL port, a power slot, and a Reset button.
See the explanation below:
Tip: The product label can be found at the bottom of the product.
Yellow pulse:
Deco is resetting.
Yellow solid:
Deco is starting up.
Blue pulse:
Deco is ready for setup
or WPS in progress.
Blue solid:
Deco is setting up.
Green pulse:
Deco is upgrading rmware.
Green solid:
Deco is registered and all is well.
DSL LED:
• On: The DSL port is connected and the DSL synchronization is complete.
• Pulsing: The DSL synchronization is in progress.
• O: The DSL port is disconnected or the DSL synchronization fails.
DSL Port:
For connecting Deco to the internet. Connect the port to the splitter or
directly to the phone jack via a phone cable.
Gigabit Ethernet Ports:
For connecting Deco to your modem, the Ethernet outlet or other internet
services.
Red pulse:
Deco is disconnected from main Deco.
Red solid:
Deco has an issue.
Power Slot:
For connecting Deco to the power socket via the provided power adapter.
Reset Button:
Press for 1 second and release to reset Deco to factory default settings.
The light changing from pulsing yellow to solid yellow indicates a successful reset.
2
Before You Start
You can set up your Deco as a DSL modem router or a wireless router, meeting your needs in different networking scenarios.
DSL Modem Router Mode
When working in DSL Modem Router mode, Deco connects to the internet via a phone cable.
Follow Set Up Your Deco as A DSL Modem Router to set up your Deco.
Wireless Router Mode
When working in Wireless Router mode, Deco connects to the internet via an Ethernet cable.
Follow Set Up Your Deco as A Wireless Router to set up your Deco.
3
Set Up Your Deco as A DSL Modem Router
The intuitive Deco app guides you through an easy setup process that gets each unit up and running and all your devices connected and online.
Follow the steps below to set up your Deco as a DSL modem router.
1. Download and install the Deco app
Scan the QR code below or go to Google
Play or the App Store to download the Deco
app. Install the app on your Android or iOS
smartphone or tablet.
or
2. Log in with TP-Link ID
Open the app. Use your TP-Link ID to log in. If
you don’t have a TP-Link ID, sign up first.
Note: If you forgot your login password, tap Forgot Password?.
The Deco app will guide you through the rest.
3. Identify your Deco
Choose your Deco model.
4
4. Choose an operation mode
5. Plug in and power on Deco
6. Connect to the Deco's Wi-Fi
Choose DSL Modem Router.
Connect your Deco to the splitter or directly
to the phone jack with the provided phone
cable. Then Power on your Deco.
Wait until the Wi-Fi Signal LED pulses blue,
then connect to the Deco's Wi-Fi using the
default SSID printed on the product label.
5
7. Select a location
8. Select your ISP
9. Set up internet connection
Select a location for this Deco. If its location
is not listed, you can create a new one by
choosing Custom. This will be the name of
your Deco.
Choose your current region and ISP (Internet
Service Provider). If you can not find your ISP
in the list, select Other.
Select the internet connection type and enter
the VLAN ID. If you are not sure, contact your
internet service provider.
6
10. Create your Wi-Fi network
11. Connect to your Wi-Fi network
12. Setup complete
Set a network name and a password. These
will be the name and password you use to
connect your devices to Wi-Fi.
Connect your phone/tablet to the Deco's new
Wi-Fi.
Your Deco network is now up. Connect all
devices to the network. You can also add more
Deco units to expand the Wi-Fi coverage.
7
Set Up Your Deco as A Wireless Router
The intuitive Deco app guides you through an easy setup process that gets each unit up and running and all your devices connected and online.
Follow the steps below to set up your Deco in Wireless Router mode.
1. Download and install the Deco app
Scan the QR code below or go to Google
Play or the App Store to download the Deco
app. Install the app on your Android or iOS
smartphone or tablet.
or
2. Log in with TP-Link ID
Open the app. Use your TP-Link ID to log in. If
you don’t have a TP-Link ID, sign up first.
Note: If you forgot your login password, tap Forgot Password?.
The Deco app will guide you through the rest.
3. Identify your Deco
Choose your Deco model.
8
4. Choose an operation mode
5. Plug in and power on Deco
6. Connect to the Deco's Wi-Fi
Choose Wireless Router.
Power off your modem. Connect your Deco to
the modem and power them both on.
If you don't have a modem, connect the
Ethernet outlet directly to your Deco.
Wait until the Wi-Fi Signal LED pulses blue,
then connect to the Deco's Wi-Fi using the
default SSID printed on the product label.
9
7. Select a location
8. Set up internet connection
9. Create your Wi-Fi network
Select a location for this Deco. If its location
is not listed, you can create a new one by
choosing Custom. This will be the name of
your Deco.
Select the internet connection type and enter
the information. If you are not sure, contact
your internet service provider.
Set a network name and a password. These
will be the name and password you use to
connect your devices to Wi-Fi.
10
10. Connect to your Wi-Fi network
11. Setup complete
Connect your phone/tablet to the Deco's new
Wi-Fi.
Your Deco network is now up. Connect all
devices to the Deco network. You can also
add more Deco units to expand the Wi-Fi
coverage.
11
Add More Decos
After created a Deco network, you can add more Deco units to the network to expand the Wi-Fi coverage and manage them conveniently on your
Deco app.
In Overview, tap . Select the Deco model you want to add, and follow
app instructions to complete the setup.
After the setup, you can find the added Deco units by tapping .
12
Dashboard
After you successfully set up your Deco network, you will see the dashboard of the Deco app. Here you can get an overview of the network status,
customize your home network with enhanced security using a kit of features built to TP-Link HomeShield and set up various advanced features.
Tap to get an overview of the network
status.
Tap to enter the HomeShield page for
enhanced security.
Tap for more features.
13
Check Deco Status
In Overview, you can check the working status of all the Decos, check the details of each Deco unit, change the Deco's location/name, and more.
Tap to check all Decos' status.
Tap a Deco unit to check the details.
Change or customize the location/name of the Deco.
14
Set Main Deco
After setup, you can replace the main Deco with any satellite Deco without resetting and reconfigure the whole network.
1. In Overview, tap .
2. Tap > Set Main Deco.
3. Choose a satellite Deco and follow app
instructions to complete the settings.
15
Manage Connected Devices
In Overview, you can check the working status of all the connected devices, view the device details, and change the device settings.
Tap a client to check the details. Tap Belongs to to add a unique profile for the device and manage its
Tap to manage the device
settings.
online activities.
16
Remove/Reboot Deco
You can remove or reboot your Deco easily in the Deco app. Follow the steps below.
Note: Removing a Deco will reset it to factory default settings. You can also press the Reset button at the bottom of Deco for 1 second and release to quickly reset your Deco to factory default settings.
1. In Overview, tap . 3. Tap to remove or reboot the Deco.
2. Select a Deco unit.
Note: If the LED light of Deco does not turn pulsing blue after tapping Remove, press the Reset
button on the Deco for 1 second and release to reset it.
17
Create A New Network
In the Deco app, you can create different Deco networks linked with your TP-Link ID and manage them conveniently from the Deco app with one
account. You can also help family or friends manage their network on your Deco app. Two methods are provided as below to create a new network:
Method 1. Create a new network from the Overview page
1. Tap > Create New Network.
2. Then follow the app instructions to
complete the setup.
18
Method 2. Create a new network from the Menu page
1. Tap to open the Menu. 2. Tap > CREATE NEW NETWORK.
3. Follow app instruction to complete the
setup.
19
Delete A Network
You can delete a Deco network if you don't need it anymore. Deleting a Deco network will reset all Decos in this network to factory default settings.
1. In Overview, tap . 2. Tap > Delete.
20
HomeShield
Whether protecting your network from malicious attacks, managing your family's online activities, or prioritizing devices to get better performance,
TP-Link HomeShield provides you a kit of basic (free) and Pro (charged) features to enhance your whole home network with enhanced security.
An overview of HomeShield features are shown below.
• What is HomeShield: tp-link.com/homeshield
• How to use HomeShield features and upgrade to HomeShield Pro: go to the product support page at https://www.tp-link.com and refer to
TP-Link HomeShield User Guide.
Weekly/Monthly Reports: Review a weekly or a monthly list of usage, such as security threats, top visited contents, and
more, to better manage your family’s online activities.
HomeShield Pro Subscription: To enjoy more features, you can upgrade to HomeShield Pro.
Scan: Examine your network regularly to identify the potential risks, thus improving your network performance and
security.
Real-Time Protection: Real-Time Protection is for Pro users only. There are three ways to ensure your home network
and your IoT devices remain safe: (1) block malicious websites, protect your home network and applications against
external attacks and eliminate vulnerabilities; (2) prevent infected devices from sending sensitive information or security
threats to clients outside your network; (3) identify IoT devices and immediately monitor their security performance
once they join the network.
Parental Controls: Create proles for family members and specify the devices that belong to each. Set individualized
parental controls including when and for how long each person can access the internet. Block inappropriate content
and pause the internet if necessary.
QoS: Prioritize the connection of a particular device for a set duration, such as a family member’s laptop for one hour
during a video call.
21
Wi-Fi Settings
You can change the network name and password of your main network at any time and share the network easily with family and friends.
Tap > Wi-Fi. Share your network with others.
Manage main network (eg. change your main network's Wi-Fi name and
password).
22
Guest Network
You can create and share a separate network for guests to guarantee the security and privacy of your main network.
Tap > Wi-Fi and enable Guest Network.
Set a Wi-Fi name and password for
the guest network.
Share your guest network with others.
23
Blacklist
Compile a blacklist to avoid devices added on the blacklist to access to your network, ensuring the safety of your personal information shared in the
network.
1. Tap > Blacklist.
2. Tap + on the top right corner and add clients or other devices to the
blacklist.
24
Upgrade Your Deco
TP-Link is dedicated to improving product features and providing a better customer experience. An up-to-date rmware provides better and more
stable network performance. Always update your Deco to the latest rmware version when prompted in the Deco app.
1. Tap > Update Deco.
2. Download and install the rmware (if any) and follow app instructions to update
your Deco to the latest version.
25
WPS
WPS (Wi-Fi Protected Setup) helps you to quickly and securely connect a client to a network with a tap without entering any password.
1. Tap > WPS.
2. Tap the WPS icon in the Deco app and
then on your client.
3. Your client has connected to the network
successfully if shown as below.
26
Managers
Add friends and family members to help manage your network. Each manager should have their own TP-Link ID.
Tap > Managers, and follow app instructions to add other TP-Link ID account as manager. Then the manager can start to manage the network.
27
Advanced Features
Additional features are available under the Advanced menu. The features vary with the working mode of Deco. When Deco works in a mode, the
relevant features supported by this mode will appear on the Menu for use. For example, you can congure the DSL settings only when your Deco works
in DSL Modem Router mode. Follow the instructions below to explore dierent features.
Tap > Advanced.
Change the internet connection type and VLAN ID via Quick Setup.
Note: This feature is available only when your Deco works in DSL Modem Router mode.
View IPv4 details or change the
internet connection type.
Note: This feature is not available when your
Deco works in Access Point mode.
28
Enable IPv6 to set up an IPv6
internet connection.
Note: This feature is not available when your
Deco works in Access Point mode.
Add IPv6 firewall rules to allow
specific devices to access the
specified services.
Note: This feature is not available when your
Deco works in Access Point mode.
Modify LAN IP to avoid IP address
confict.
Note: This feature is not available when your
Deco works in Access Point mode.
Change DHCP server settings.
Note: This feature is not available when your Deco
works in Access Point mode.
29
Enable IPTV/VLAN mode to support IPTV
services.
Note: This feature is not available when your Deco works in
Access Point mode.
Configure DSL settings. Enable Bit Swap to
allow your Deco to adapt to the changing
telephone line conditions. Enable SRA to
prevent ADSL data rate interference caused
by the cross-talk between telephone lines.
Note: This feature is available only when your Deco works in
DSL Modem Router mode.
Enable MAC Clone if Deco fails to connect to
the internet.
Tip: For more about MAC Clone, refer to
https://www.tp-link.com/support/faq/2925/
Note: This feature is not available when your Deco works in
Access Point mode.
30
Reserve IP addresses for specic
devices to recognize and manage
the device more easily.
Note: This feature is not available when your
Deco works in Access Point mode.
Set up port forwarding rules to
enable devices in your network
accessible over the internet with
safety.
Note: This feature is not available when your
Deco works in Access Point mode.
Register a TP-Link DDNS domain
name to access your router and
local servers using a domain name.
Note: This feature is not available when your
Deco works in Access Point mode.
Enable SIP ALG to communicate
with SIP (Session Initiation Protocol)
servers via NAT).
Note: This feature is not available when your Deco
works in Access Point mode.
31
Enable UPNP to allow your local
network to dynamically open ports
for applications like gaming.
Note: This feature is not available when your
Deco works in Access Point mode.
Enable Fast Roaming to allow
your wireless devices to switch
connection to different Decos.
Enable Beamforming to
concentrate Wi-Fi signal towards
connected devices for stronger
connections.
Toggle off LED to turn off the light
on Deco. Configure the Night Mode
to turn off the LED light at bedtime
only.
32
Change the operation mode.
Set connection alerts to receive
notications once the clients
connect to or disconnect from Deco.
Set notications to receive alerts in
the notication bar.
33
FAQ
Solutions to common problems during setup or use are provided here for reference. Follow the steps in the provided link to solve your problem.
If problems still exist, contact us: https://www.tp-link.com/support
Q1. What should I do if I fail to congure the main Deco and get stuck on “We couldn't nd Deco”?
Refer to the guide https://www.tp-link.com/support/faq/2239/ or follow the video https://youtu.be/2HYuEYS9XJM
Q2. What should I do if I fail to congure the satellite Deco and get stuck on “We couldn't nd another Deco”?
Refer to the guide https://www.tp-link.com/support/faq/1447/ or follow the video https://youtu.be/iVgDzoo16T4
Q3. What should I do if I fail to congure the main Deco and get stuck on “Testing Internet Connection”?
Refer to the video https://youtu.be/OSUrGdWH-i0
Q4. What should I do if my wireless devices cannot connect to Deco?
Refer to the guide https://www.tp-link.com/support/faq/2718/
Q5. What should I do if Deco suddenly lost internet access?
Refer to the guide https://www.tp-link.com/support/faq/1454/
Q6. How can I nd a suitable spot for my Deco?
Refer to the guide https://www.tp-link.com//support/faq/1446/
Q7. What can I do if the Deco app isn't working properly?
Refer to the guide https://www.tp-link.com/support/faq/1456/
34
Authentication
CE Mark Warning
This is a class B product. In a domestic environment, this product may cause radio interference, in which case the user may be required to take
adequate measures.
OPERATING FREQUENCY(the maximum transmitted power)
2412MHz—2483.5MHz (20dBm)
5150MHz—5250MHz (23dBm)
EU declaration of conformity
TP-Link hereby declares that the device is in compliance with the essential requirements and other relevant provisions of directives 2014/53/EU,
2009/125/EC, 2011/65/EU and (EU)2015/863. The original EU declaration of conformity may be found at http://www.tp-link.com/en/ce
RF Exposure Information
This device meets the EU requirements (2014/53/EU Article 3.1a) on the limitation of exposure of the general public to electromagnetic fields by way
of health protection.
The device complies with RF specifications when the device used at 20 cm from your body.
National restrictions
Attention: This device may only be used indoors in all EU member states and EFTA countries, and Northern Ireland.
Attention: This device may only be used indoors in Great Britain.
35
AT BE BG CH CY CZ DE DK
EE EL ES FI FR HR HU IE
IS IT LI LT LU LV MT NL
NO PL PT RO SE SI SK UK(NI)
UK
Canadian Compliance Statement
This device complies with Industry Canada license-exempt RSS standard(s). Operation is subject to the following two conditions:
1. This device may not cause interference, and
2. This device must accept any interference, including interference that may cause undesired operation of the device.
Le présent appareil est conforme aux CNR d’Industrie Canada applicables aux appareils radio exempts de licence. L’exploitation est autorisée aux
deux conditions suivantes :
1. l’appareil ne doit pas produire de brouillage;
2. l’utilisateur de l’appareil doit accepter tout brouillage radioélectrique subi, meme si le brouillage est susceptible d’en compromettre le
fonctionnement.
Caution:
The device for operation in the band 5150–5250 MHz is only for indoor use to reduce the potential for harmful interference to co-channel mobile
satellite systems;
Avertissement:
Le dispositif fonctionnant dans la bande 5150-5250 MHz est réservé uniquement pour une utilisation à l’intérieur afin de réduire les risques de
brouillage préjudiciable aux systèmes de satellites mobiles utilisant les mêmes canaux;
36
Radiation Exposure Statement:
This equipment complies with IC radiation exposure limits set forth for an uncontrolled environment. This equipment should be installed and operated
with minimum distance 20cm between the radiator & your body.
Déclaration d’exposition aux radiations:
Cet équipement est conforme aux limites d’exposition aux rayonnements IC établies pour un environnement non contrôlé. Cet équipement doit être
installé et utilisé avec un minimum de 20 cm de distance entre la source de rayonnement et votre corps.
Industry Canada Statement
CAN ICES-3 (B)/NMB-3(B)
Korea Warning Statements:
당해 무선설비는 운용중 전파혼신 가능성이 있음.
NCC Notice & BSMI Notice:
注意！
依據 低功率電波輻射性電機管理辦法
LP0002低功率射頻器材技術規範_章節3.8.2
取得審驗證明之低功率射頻器材，非經核准，公司、商號或使用者均不得擅自變更頻率、加大功率或變更原設計之特性及功能。
低功率射頻器材之使用不得影響飛航安全及干擾合法通信；經發現有干擾現象時，應立即停用，並改善至無干擾時方得繼續使用。
前述合法通信，指依電信管理法規定作業之無線電通信。
低功率射頻器材須忍受合法通信或工業、科學及醫療用電波輻射性電機設備之干擾。
應避免影響附近雷達系統之操作。
安全諮詢及注意事項
• 請按照本產品注明的電源類型使用本產品。
• 清潔本產品之前請先切斷電源。請勿使用液體、噴霧清潔劑或濕布進行清潔。
37
• 注意防潮，請勿將水或其他液體潑灑到本產品上。
• 插槽與開口供通風使用，以確保本產品的操作可靠並防止過熱，請勿堵塞或覆蓋開口。
• 請勿將本產品置放於靠近熱源的地方。除非有正常的通風，否則不可放在密閉位置中。
• 不要私自拆開機殼或自行維修，如產品有故障請與原廠或代理商聯繫。
限用物質含有情況標示聲明書
設備名稱：
Equipment name:
AX1800 VDSL Whole Home Mesh Wi-Fi 6
System
Restricted substances and its chemical symbols
單元
Unit
PCB
外殼
電源供應器
其他及其配件
備考1.超出0.1wt%”及“超出0.01wt%”系指限用物質之百分比含量超出百分比含量基準值。
Note 1：“Exceeding 0.1 wt %” and “exceeding 0.01 wt %” indicate that the percentage content of the restricted substance exceeds the
reference percentage value of presence condition.
鉛
Lead
(Pb)
汞
Mercury
(Hg)
鎘
Cadmium
(Cd)
○ ○ ○ ○ ○ ○
○ ○ ○ ○ ○ ○
−
−
○ ○ ○ ○ ○
○ ○ ○ ○ ○
型號（型式）：
Type designation (Type)
Deco X20-DSL
限用物質及其化學符號
六價鉻
Hexavalent
chromium
(Cr+6)
多溴聯苯
Polybrominated
biphenyls
(PBB)
多溴二苯醚
Polybrominated
diphenyl ethers
(PBDE)
備考2.“○”系指該項限用物質之百分比含量未超出百分比含量基準值。
Note 2：“○” indicates that the percentage content of the restricted substance does not exceed the percentage of reference value of presence.
備考3.“−”系指該項限用物質為排除項目。
Note 3：The “−” indicates that the restricted substance corresponds to the exemption.
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Продукт сертифіковано згідно с правилами системи УкрСЕПРО на відповідність вимогам нормативних документів та вимогам,
що передбачені чинними законодавчими актами України.
Safety Information
• Keep the device away from water, fire, humidity or hot environments.
• Do not attempt to disassemble, repair, or modify the device. If you need service, please contact us.
• Do not use damaged charger or USB cable to charge the device.
• Do not use any other chargers than those recommended.
• Do not use the device where wireless devices are not allowed.
• Adapter shall be installed near the equipment and shall be easily accessible.
• Operating Temperature: 0°C~40°C (32°F~104°F)
• Storage Temperature: -40°C~60°C (-40°F~140°F)
Please read and follow the above safety information when operating the device. We cannot guarantee that no accidents or damage will occur due to
improper use of the device. Please use this product with care and operate at your own risk.
Explanation of the symbols on the product label
Symbol Explanation
DC voltage
Caution
Operator’s manual
Indoor use only
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Symbol Explanation
RECYCLING
This product bears the selective sorting symbol for Waste electrical and electronic equipment (WEEE). This means
that this product must be handled pursuant to European directive 2012/19/EU in order to be recycled or dismantled to
minimize its impact on the environment.
User has the choice to give his product to a competent recycling organization or to the retailer when he buys a new
electrical or electronic equipment.
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