TCL LinkHub User manual

HH42CV2
TCL
User Manual

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Contents
Read this first ..................................................................................................................................................3
Chapter 1. Meet your CPE...........................................................................................................................4
1.1 System requirements ..........................................................................................................................................4
1.2 Overview ...............................................................................................................................................................4
Chapter 2. Get started with your CPE .....................................................................................................6
2.1 Insert a micro SIM card ......................................................................................................................................6
2.2 Access CPE network...........................................................................................................................................6
2.3 Install external antennas (optional) .................................................................................................................8
Chapter 3. Access the web UI.....................................................................................................................9
3.1 Log in to the web UI ..........................................................................................................................................9
3.2 Explore web UI features.....................................................................................................................................9
Chapter 4. Configure your CPE ............................................................................................................... 10
4.1 Status ................................................................................................................................................................. 10
4.2 Home................................................................................................................................................................... 10
4.3 Services............................................................................................................................................................... 10
4.4 Settings ............................................................................................................................................................... 11
4.5 System................................................................................................................................................................. 16
Important safety information..................................................................................................................... 18
Important safety instructions ................................................................................................................................ 18
Medical device interference .................................................................................................................................. 18
Power adapter .......................................................................................................................................................... 18
Operating temperature............................................................................................................................................ 18
Regulatory compliance information.......................................................................................................... 19
Eelectromagnetic fields (EMF) ............................................................................................................................... 19
Declaration of conformity ...................................................................................................................................... 19
Disposal and recycling information....................................................................................................................... 19
Troubleshooting ............................................................................................................................................ 20

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Read this first
•Before using this documentation and the device it supports, ensure you read and understand
the "Important safety information" on page 18.
•Illustrations in this documentation might look different from your device.
•Instructions in this documentation may vary depending on your device model and software
version.
•Some apps and features are not available in all countries or regions. App and feature
availability is subject to change.
•Documentation content is subject to change without notice. We make constant
improvements on the documentation of your device, including this user manual.
•TCL Communication Ltd. does not assume any liability that may occur due to the use or
application of the product described herein. Every effort has been made in the preparation
of this documentation to ensure accuracy of the contents, but all statements, information
and recommendations in this documentation do not constitute the warranty of any kind,
express or implied.

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Chapter 1. Meet your CPE
This Cat4 LTE CPE provides wired and wireless access for multiple computers and mobile
devices. With various features and functions, the CPE is a good hub of your home or business
network.
1.1 System requirements
Your CPE is compatible with Wi-Fi-enabled devices which support 2.4 GHz (802.11 b/g/n).
It also works with these browsers, for example Firefox, Safari, Internet Explorer, Opera, and
Google Chrome.
1.2 Overview
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1. Power indicator
•On: the device is on.
•Off: the device is off.
2. Signal indicator
•The more signal bars are on in blue, the stronger the signal.
•Off: no signal.
3. Wi-Fi/WPS indicator
•Blinking blue: WPS connection is available.
•Solid blue: Wi-Fi is enabled.
•Off: WiFi is disabled.
4. LAN indicator
•On: the LAN port is connected.
•Off: the LAN port is not connected.

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5. Network indicator
•Blinking blue: the device is registered to the network.
•Solid blue: the device is connected to the network.
•Solid red: micro SIM card is not available or the device is
not registered to the network.
6. External antenna port Install an external antenna to improve signal reception.
7. WPS button
Press the button for 3 seconds to enable the WPS function.
The WPS function will be automatically disabled if a WPS
connection is not established within 2 minutes.
8. Power button
•Press for 3 seconds to power off your device.
•Press for 1 second to power on your device.
9. Micro SIM card slot Insert a micro SIM card in the slot.
10. Reset button Use a paperclip to press the button for 3 seconds to reset
the device.
11. LAN port Used to connect to wired devices such as computers or
switches.
12. LAN/WAN port Used to connect to an internet source or wired devices such
as computers or switches.
13. Power connector Used to connect to the power adapter.
When the CPE downloads and installs software updates, you will see the indicators
flash on and off in a sequence. Do not power off your CPE during this process as it
may cause device malfunction.

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Chapter 2. Get started with your CPE
This chapter introduces the basic instructions on how to set up your CPE and make
connections. The instructions may vary depending on your CPE model.
2.1 Insert a micro SIM card
Prerequisite: Select the right size of SIM card for your CPE.
Mini-SIM (2FF) Nano-SIM (4FF)
Micro-SIM (3FF)
Locate the micro SIM card slot and insert a micro SIM card as illustrated below. Close the micro
SIM card slot cover after the insertion of the card.
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•Note the orientation of the SIM card. If the SIM card is inserted incorrectly, it may
get jammed.
•Do not remove the SIM card when your CPE is in use. Otherwise, it may cause
malfunction to your CPE or data loss of your SIM card.
2.2 Access CPE network
You can connect your devices to the CPE network wiredly or wirelessly as illustrated below.

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LAN1
Access wired network
To establish a wired network connection, connect the wired device to the LAN port of your CPE
using an Ethernet cable.
Access wireless network
To establish a wireless network connection, select the Wi-Fi name (or the SSID) of the CPE on
your wireless devices, and enter the Wi-Fi password.
Note: The Wi-Fi name and the Wi-Fi password can be found on the bottom label of your CPE.
If your wireless device is WPS-enabled, you can also access the CPE Wi-Fi network through a
WPS connection. Select one of the following options to make a WPS connection.
Option 1: WPS button
1) Press the WPS button on your CPE for 3 seconds. The WPS function is enabled for 2
minutes.
2) Enable the WPS function of your wireless device to make a WPS connection.
Option 2: WPS PIN code
1) Log in to the web user interface (UI) of your CPE, and go to Settings > Wi-Fi > WPS >
WPS PIN. (For how to log in to the web UI, see "Chapter 3. Access the web UI" on page
9.)
2) Set a WPS PIN code, and click Apply.
3) Enable the WPS function of your wireless device, and enter the WPS PIN code within 2
minutes to make a WPS connection.
Option 3: PBC
1) Log in to the web UI of your CPE, and go to Settings > Wi-Fi > WPS > PBC. (For how to
log in to the web UI, see "Chapter 3. Access the web UI" on page 9.)
2) Click Apply. The WPS function is enabled for 2 minutes.
3) Enable the WPS function of your wireless device to make a WPS connection.

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2.3 Install external antennas (oponal)
In areas with weak signal, you can install external antennas to enhance signal reception. Install
external antennas to your CPE as illustrated below.
Important: Before installing the external antennas, ensure your CPE is powered off and
disconnected from the power supply.
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Use only antennas that are compatible with your CPE. Contact your CPE supplier
before purchasing external antennas.

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Chapter 3. Access the web UI
This chapter introduces how to get access to the web UI of your CPE, and gives you a glimpse
of the web UI.
3.1 Log in to the web UI
To log in to the web UI, follow these steps:
1. Open a web browser on the device connected to the CPE network wiredly or wirelessly.
2. Go to http://192.168.1.1, and follow the on-screen instructions to finish the login process.
Note: For the default login information, refer to the bottom label of your CPE.
3.2 Explore web UI features
The web UI is mainly comprised of the following sections: Status, Home, Services, Settings, and
System. You can click on each section to display more information about your CPE.
Besides, commonly-used status icons are displayed in the web UI. Status icons give you
information about your CPE.
Status icon What it means
3G or 4G The network your CPE connects to.
The number of the signal bar indicates the signal strength. The more
signal bars it shows, the stronger the signal.
The CPE connects to SIM card network.
The CPE connects to WAN network.
The CPE disconnects from WAN network.
New messages or unread messages.
The SMS inbox is full.
Wi-Fi is enabled.
Wi-Fi is disabled.

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Chapter 4. Configure your CPE
In this chapter, we will show you how to get the most out of your CPE using the web UI. In the
web UI, you can customize settings, like Wi-Fi name, Wi-Fi password, and more.
4.1 Status
This section allows you to view your device information, such as Wi-Fi name, upload speed,
download speed, software version, profile name, and monthly plan.
4.2 Home
This section allows you to quickly access commonly used settings. It mainly contains the
following tabs: Status, Statistics, Device access, and Setup wizard.
Status
You can have a quick check on your device information, such as mobile data, LAN, WAN and
Wi-Fi. In this tab, you can connect or disconnect the CPE to or from the internet, and change
the SSID of the CPE network.
Statistics
You can access approximate mobile data, and reset internet statistics in this tab.
Device access
This tab allows you to manage internet access for connected devices, and block or unblock
devices.
Setup wizard
In this tab, you can configure basic connection settings, enable or disable data roaming, enable
or disable 2.4 GHz, change SSID and Wi-Fi password, and more.
4.3 Services
Navigate to Services, and click the tab to display the information you want or change SMS
settings as desired.
SMS
Refer to the following table for the description of each folder under this tab.

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Inbox Incoming messages are stored in this folder.
Outbox Outgoing messages are stored in this folder.
Draft Unsent messages are stored in this folder.
New message Write a new message in this folder.
SMS Settings Configure SMS settings in this folder.
Refer to the following table for commonly used operations of SMS messages.
Read an message Click the message you want to read.
Send an message
1. Click SMS > New message.
2. Input the recipient's number and message content.
3. Click Send.
Note: Click Save to store messages in the Draft folder. An
message cannot be sent to multiple recipients simultaneously.
Forward an message
1. Click the message you want to forward.
2. Click Forward.
3. Input the recipient's number, then click Send.
Reply to an message
1. Click the message you want to reply to.
2. Click Reply.
3. Input the message content, then click Send.
Delete an message
1. Locate the message you want to delete in the Inbox, Sent
or Draft folder.
2. Tick the checkbox beside the message you want to delete.
3. Click Delete.
Delete all messages
1. Click at the top of the checkbox column to select all
messages.
2. Click Delete.
Enable SMS delivery reports Click SMS Setting,then enable SMS report.
Disable SMS delivery reports Click SMS Settings,then disable SMS report.
4.4 Sengs
This section allows you to prioritize the network connection, configure connection mode,
manage WAN, LAN and Wi-Fi settings, and more.
Connection priority

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In this tab you can prioritize the network you want to connect first. After prioritizing the
network connection according to your preferences, the CPE will follow an order of priority
when detecting available connections.
Mobile Data represents SIM card data, while WAN represents Ethernet data.
Mobile data
Network connection
In this option, you can configure connection mode, data roaming and IP mode.
Profile management
In this option, you can set up a new APN profile, and edit or delete existing profiles.
Add a new profile
1. Click New.
2. Input the correct parameters (like profile name, dial number, and
APN) for your network operator.
3. Click Save.
Edit a profile
1. Select the profile from the profile management list.
2. Click Edit to set the parameters.
3. Click Save.
Delete a profile
1. Select the profile from the profile management list.
2. Click Delete.
Note: The default profile cannot be deleted.
Set as default 1. Select the profile from the profile management list.
2. Click Set default.
Network settings
You can set the network search mode to Auto or Manual, and change the network mode to
Auto, 3G only or 4G only.
Make sure you click Apply after making desired changes.
WAN
Configure WAN
Set up the WAN connection mode and modify related parameters under this option. You can
set the connection mode to DHCP, PPPoE or Static IP.
DHCP
Dynamic Host Configuration Protocol (DHCP) is a client or server
protocol that automatically provides you with an Internet Protocol (IP)
host. The IP address and related configuration settings such as subnet
mask and default gateway are all automatically assigned.

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PPPoE
Point-to-Point Protocol over Ethernet (PPPoE) is a network protocol
that is mainly used for DSL services whereby individual users connect
to a modem using an Ethernet connection.
Enter the username and password provided by your network service
provider, and click Apply.
Static IP
Access the internet using a fixed IP address, subnet mask, gateway
IP address and Primary DNS server. These information should be
provided by your network service provider.
MAC Clone
When the MAC Clone function is enabled, multiple client devices can connect to the CPE and
access the internet.
Your current MAC address is displayed in this option. Click Reset to set a new MAC address.
Click Clone to copy your host MAC address.
LAN
The default gateway address is 192.168.1.1, and the default subnet mask is 255.255.255.0.
With the DHCP Server function enabled, IP addresses will be assigned automatically to client
devices in the network. If the DHCP Server function is disabled, the CPE will not assign IP
addresses to the connected client devices. The IP address must be entered on each client
device.
Wi-Fi
Basic
Configure basic Wi-Fi settings in this option.
SSID SSID is the name of the Wi-Fi network, and is 1 to 32 characters long.
SSID Broadcast
This function is enabled by default.
When this function is disabled, other users cannot detect the SSID or
the Wi-Fi name. They need to manually enter SSID to connect to your
CPE network.
Security The available security modes include Disable, WEP, WPA, WPA2, and
WPA/WPA2.
Encryption The available options inclue TKIP, AES, and Auto.
Password Check the Wi-Fi password in this item.
Advanced
Configure advanced Wi-Fi settings in this option.

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Country/Region Select country or region in this item.
Channel
Different regions use different channels: Channel 1-11 in FCC (US) /
IC (Canada), Channel 1-13 in ETSI (Europe), and Channel 1-13 in MKK
(Japan).
802.11 Mode The mode is set to 802.11b/g/n by default.
AP isolation
The AP isolation function enables you to create a separate virtual
network for each wireless client that is connected to your CPE network.
When this function is enabled, all wireless devices in the network will
not be able to communicate with each other.
Bandwidth Select the available options from the drop-down menu.
WPS
Wi-Fi Protected Setup (WPS) is a wireless network security standard that tries to make
connections between your CPE and wireless devices faster and easier.
If your wireless device is WPS-supported, you can access the CPE Wi-Fi network through a
WPS connection. In this option, there are two WPS modes available.
WPS PIN
1. Set a WPS PIN code, and click Apply.
2. Enable the WPS function of your wireless device, and enter the WPS
PIN code within 2 minutes to make a WPS connection.
PBC
1. Click Apply. The WPS function is enabled for 2 minutes.
2. Enable the WPS function of your wireless device to make a WPS
connection.
Security
PIN management
Enable SIM PIN
1. When the SIM PIN feature is disabled, click .
2. Set an SIM PIN code that is 4 to 8 digits long.
3. Click Apply.
Disable SIM PIN
1. When the SIM PIN feature is enabled, click .
2. Enter the current SIM PIN code.
3. Click Apply.

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Change SIM PIN
1. When the SIM PIN feature is enabled, click Change SIM
PIN.
2. Enter the original SIM PIN code and confirm the new SIM
PIN code.
3. Click Apply.
Note: When the SIM PIN code is entered incorrectly 3 times,
a PUK code is required. You can obtain the PUK code by
calling customer services on 150 using your SIM card.
WAN ping
For better network security, your device will not respond to ping commands when this function
is disabled.
LAN IP filter
By default, any device connected to your CPE network is allowed to access the internet. You
can specify which device can or cannot access the internet by adding the device to the blacklist
or whitelist.
Disable All connected devices can access the internet.
Whitelist Only devices with an IP address in this list can access the internet.
Blacklist Devices with an IP address in this list cannot access the internet.
MAC filter
By default, any device connected to your CPE network is allowed to access the internet. You
can specify which device can or cannot access the internet by adding the device to the blacklist
or whitelist.
Disable All connected devices can access the internet.
Whitelist Only devices with a MAC address in this list can access the internet.
Blacklist Devices with a MAC address in this list cannot access the internet.
URL filter
In this feature, you can set internet access schedule for the devices on the CPE network, and
define which websites the devices can and cannot visit.
DDNS
WAN IP address is needed when some functions of your CPE are enabled. If the WAN IP
address of your CPE changes, these functions may not work properly.
The Dynamic Domain Name Server (DDNS) function allows you to map a dynamic WAN IP
address (public IP address) to a static domain name, helping internet users (WAN side) access
the CPE network by static domain name.

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DMZ
If external users cannot access certain network services within the LAN, you can enable the
DMZ function and set a new host IP address.
UPnP
Universal Plug and Play (UPnP) is a set of networking protocols that allows connected devices to
discover each other and establish functional network services for data sharing, communications,
and entertainment. This function is disabled by default.
Port Forwarding
This function enables external users to access FTP and other service within the LAN.
QoS
Quality of Service (QoS) is an advanced feature that prioritizes internet traffic for applications,
online gaming, Ethernet LAN ports, or specified MAC addresses to minimize the impact of busy
bandwidth.
To access this function, navigate to QoS and enable this function, then set upload and
download speed limits, and click Apply.
4.5 System
In this section, you can quickly view the device information, reboot or reset your device, modify
login password, and more.
Device information
You can view device information in this tab, including IMEI, software version, and MAC address.
Reboot & reset
This function enables you to reboot the CPE or restore the CPE to factory settings.
If the CPE does not work properly, you can try rebooting the CPE to solve the problem.
If you can't access the internet for unknown reasons, or forget the login password, you can
restore the CPE to factory settings. To reset the CPE, you can also press the reset button on
the CPE for 3 seconds.
Update
Online updates
Click Check for updates, and the CPE will detect software version. If a new version is available,
you can click Download and Update to upgrade the software.

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Do not power off the device during the upgrade process. Otherwise, it may be
damaged.
Device management
Login password
Enter your current password, and set a new one. The new password must be 4 to 16 characters
long.
System settings
In this option, you can set the system language and the time zone.
NTP server
Network Time Protocol (NTP) is a networking protocol for clock synchronization between
computer systems over packet-switched data networks. You can specify a NTP server with
which your device will synchronize the time.
Backup & restore
This feature allows you to back up the current device configuration, or restore the device to a
previous configuration by importing the backup configuration file.
TR069
It is a protocol for communication between CPE and an Auto Configuration Server (ACS)
that provides secure auto-configuration as well as other CPE management functions within a
common framework.

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Important safety information
Read all the safety information before using your product. Failure to follow these safety
instructions could result in injury, or damage to your product or other property.
Important safety instrucons
•Observe signs and notices that prohibit or restrict the use of wireless devices.
•Always handle your device with care. It contains sensitive electronic components inside. The
device can be damaged if dropped, burned, punctured, or crushed, or if it comes in contact
with liquid.
•Do not disassemble or attempt to repair your device yourself. Disassembling the device may
damage it, or cause injury to you.
•The device and its accessories may present a choking hazard to small children. Do not let
children use the device and its accessories without supervision.
Medical device interference
Your router contains components which may interfere with medical devices such as pacemakers,
defibrillators, or other medical devices. Maintain a safe distance of separation between your
medical device and your router. Consult your physician and medical device manufacturer for
information specific to your medical device.
Power adapter
Use only the supplied power adapter or adapters that are compliant with the applicable
international and regional safety standards. Using other adapters could cause damage to the
device or pose a risk of injury or death. It is important to keep the power adapter in a well-
ventilated area when the power adapter is plugged into an electrical outlet. Don't use damaged
power adapters.
Operang temperature
Your device is designed to work best in ambient temperatures between 0°C and 45°C (32°F
and 113°F), and should be stored between ambient temperatures of –10°C and 70°C (14°F
and 158°F). Your device may malfunction if operated or stored outside of these temperature
ranges. Avoid exposing the device to dramatic changes in temperature or humidity.

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Regulatory compliance information
This section introduces regulatory information, certification, and compliance information specific
to your product.
Eelectromagnec elds (EMF)
This product complies with all applicable standards and regulations regarding exposure to
electromagnetic fields.
Declaraon of conformity
Hereby, TCL Communication Ltd. declares that this product is in compliance with the essential
requirements and other relevant provisions of Directive 2014/53/EU. You can find the
Declaration of Conformity at https://www.tcl.com/global/en/service-support-mobile/eu-doc.
html.
Disposal and recycling informaon
At TCL, we continually strive to improve our operations and products, and minimize our impact
on the environment.
Your product is designed and manufactured with high quality
materials and components, which can be recycled and reused.
Please observe the local regulations regarding the disposal of
packaging materials, exhausted batteries and old equipment. For
recycling information, please visit www.tcl.com.
This symbol on your device and/or its accessories indicates that this
device should not be disposed of with household waste. When this
device reaches its end of life, take it to a collection point designated
by local authorities. For more detailed information about device
recycling, contact your local authorities, household waste disposal
centers, or retail stores.
The separate collection and recycling of your device and/or its
accessories at the time of disposal will help conserve natural
resources and ensure that it is recycled in a manner that protects
human health and the environment.

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Troubleshooting
If you encounter problems while using the product, use the troubleshooting information to help
determine the problem and find possible solutions.
General problems
Problem Solution
I forget the Wi-Fi password.
• Log in the web UI, then go to Settings > Wi-Fi >
Basic. Click Show password to obtain the current Wi-
Fi password.
•Or reset the device to its factory settings.
How to change the Wi-Fi name and
password.
1. Log in to the web UI.
2. Go to Settings > Wi-Fi > Basic.
The network indicator is in solid red.
When the micro SIM card or network service is not
available, or the device is not registered to the network,
the network indicator is in solid red.
•If you are using a micro SIM card, make sure the micro
SIM card is valid and inserted correctly, or place the
CPE in an area with better signal (for example near a
window), and try again.
•If you are using an Ethernet connection, check if the
network is working properly.
I can't find the Wi-Fi name of the
CPE on my wireless device.
•Make sure the Wi-Fi indicator of your CPE is solid
blue.
•Refresh the available network list on your wireless
device.
How to set a new PIN code for my
micro SIM card?
1. Log in to the web UI.
2. Go to Settings > Security > PIN management.
3. Enable PIN operation, and enter a new PIN code.
4. Click Apply.
Where to find the device's model
number and firmware version?
1. Log in to the web UI.
2. Go to System > Device information.
Web UI problems
Problem Solution
How can I access the web UI?
1. Open the web browser, and go to http://192.168.1.1.
2. Enter the login information as required. Find the
default login information on the bottom label of the
CPE.