YUCHENG AF791 4G Router Module Instruction Manual
- June 6, 2024
- YUCHENG
Table of Contents
4G router moudle Instruction Manual
1,Insert a 4G SIM card to connect to the network
1. 1 Prepare a standard Nano SIM card
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2 Insert the Nano SIM card in the direction shown in the figure below and connect the antenna
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Note: Please do not insert or remove the SIM card when the power adapter is connected
1. 3 After connecting the power adapter, the 4G router module will automatically run
The blue LED light on the module is always on. When a wireless device is connected, the blue LED light starts to flash
1.4 Connect your internet device: Connect your mobile phone or laptop to the wireless network. The default wireless network name is MIFI_XXXX and the default password is 1234567890. The desktop computer is connected to the LAN port of the module through a network cable.
1.5 WEB-UI interface Run the browser, enter 192.168.2.1, log in as the user name: admin, password: admin, the interface can view and configure the device(As shown below)
2, Hardware specifications
2.1 Basic parameters
The parameters of the AF791 module are as follows Table 1: AF791 basic
parameters
2. 3 Interface definition diagram
Introduction to common functions
3.1 Wireless network status setting The default parameters of the wireless WiFi function are as follows, and the settings take effect immediately. It is not recommended to use WIFI for industrial data transmission. Only recommended for device parameter configuration or short-distance data transmission. Table 5: WiFi default parameters
Wireless-WiFi basic settings: set whether WiFi is turned on, modify SSID and
password, security mode, Basic information such as the activation date;
Wireless network status
3.2 Wireless Bridge Setting The router has a wireless client function, which
is turned off by default and can be turned on when needed. As a wireless relay
device, it can be connected to other WiFi to achieve Internet access. First,
modify the Internet priority:
Broadband WAN or WISP
External network status
Wireless 2.4G option-wireless bridging: follow the steps in the figure down,
set the corresponding parameters according to the actual connected WiFi, and
click apply settings to complete the wireless bridging.
Wireless bridging
3.3 Intranet settings Support to modify the LAN port IP and subnet mask. The
default IP address is 192.168.2.1. After the modification is completed, click
Apply to restart the device to take effect.
LAN setting
3.4 APN settings
Support the configuration of APN, authentication, user name, and password.
If you are using an ordinary mobile phone card, you don’t need to worry about
the APN settings, and you can connect to the Internet by inserting the card.
If you use an APN card and have a special APN address, you need to set the APN
address, user name, and password here; first, in the APN setting column, fill
in the accurate APN address as required. After the setting is successful,
restart the device.
APN setting table 6: APN parameter table
Parameter name
|
function
---|---
PDP type| Default IPV4, the protocol can be selected according to needs
APN| the name of the access point. Valid characters include: 0-9 a-z A-Z. –
Authentication
method| default NONE, optional PAP, CHAP
Username| used to obtain verification from the Internet service provider when
establishing a connection
Password| used to obtain verification from the Internet service provider when
establishing a connection
3.6 Restore factory settings Support web way of restoring factory settings.
Restore factory settings page
You can also use the Reload button (hardware restore factory settings button) to restore the module to the factory parameters.
Method: Long press for 5s to release, the router will restore the factory parameter settings and restart.
3.7 System Log Support system log viewing and saving.
System log
Four, common problems
4. 1 How to restore the factory settings of the module?
Connect the module to the power supply, wait for a while (after the
indicator of the device is stable), press the Reset button of the device, and
hold it for more than 5 seconds to release, the device will automatically
restart
4.2 What should I do if I forget the WLAN password or the login password of
the management page?
After resetting the module to factory settings, the WLAN name is MIFI_XXXX,
the WLAN password is 1234567890, and the initial login user admin on the
management page, the password is admin.
4.3 What should I do if the 4G signal light is off or the Internet cannot
be accessed?
Please refer to the chapter “Connecting to the Internet by Card” to confirm
whether the size of the SIM card and the direction of the card are correct.
Please contact the operator to confirm whether the SIM is in arrears. If it is
a new SIM, please contact the operator to confirm whether the card is
completed Whether the power is on and whether the antenna is connected.
If the above method still does not solve, please try to restore the factory
settings and try again.
4.4 What should I do if the Internet speed is slow?
Please rotate the device or move it to the window to get a better signal.
If the Internet device (such as a mobile phone) is connected to the module
through a wireless network, please adjust the location of the Internet device
according to the wireless signal strength displayed by the Internet device
Please confirm whether the data traffic used in the current month has exceeded
the upper limit of the data traffic contracted by the operator (if the upper
limit is exceeded, the operator may limit the speed). Restart the module and
internet device, and try again.
4.5 What should I do if I cannot open the management page of the module?
Please confirm that your internet device has been connected to the module via
a network cable or wirelessly.
Please make sure that your computer is set to automatically obtain an IP
address and DNS server address. Restart the browser, or try another browser
If the problem persists, try restoring factory settings.
4.6 Why is the content displayed on the management page not up to date?
Depending on the browser’s cache, the device information displayed on the
management page may not be up to date. You can manually clear the browser’s
cache (for example, open the browser and select Internet
Options>General>Browsing History>Delete), and then restart the management
page.
4.7 If you have other problems when using the module, please try:
Restart the module.
reset.
Contact your carrier or dealer.
Five, safety information
Before using and operating the equipment, please read and observe the
following precautions to ensure the best performance of the equipment and
avoid
dangerous or illegal situations.
operating environment:
Please use the equipment in the range of 0℃～40℃, and store the equipment
within the temperature range of -20℃～+70℃ And its accessories. When the
ambient temperature is too high or too low, it may cause equipment failure.
Accessories requirements:
Please use the accessories approved by the equipment manufacturer and matched
with this type of equipment. If you use other types of accessories, it may
violate the warranty terms of the device and the relevant regulations of the
country where the device is located and may cause a safety accident. If you
need to obtain approved accessories, please contact an authorized service
center
Power safety:
The power socket should be installed in the accessories of the equipment and
should be easily accessible.
When the device is not in use, please disconnect the power supply from the
device and unplug it from the power outlet Power plug environmental
protection: Do not dispose of this equipment and its accessories as ordinary
household garbage.
Please abide by the local laws and regulations regarding the disposal of this
device and its accessories, and support the recycling action.