W-Link WL-G520 Series User manual

WL-G520 Series Router User Manual
1
V1.0
http://www.wlink-tech.com
March, 2018
User Manual
---Apply to WL-G520 Series 4G+/4G Router
V3.2
http://www.wlink-tech.com
Feb, 2022

WL-G520 Series Router User Manual
2
Copyright © Shenzhen WLINK Technology Company Limited 2012 ～2022
Without our written approval, anyone can’t extract, copy whole or part of content of this file and can’t spread
out in any format.
Caution
Due to product updates or functional upgrading, we may renew the content of this file, and this file only for
reference. All statement, information, suggestion etc. in this file does not compose any form of guarantee and
we WLINK reserves the right of final explanation.
Version History
Updates between document versions are cumulative. The latest document version contains all updates made
to previous version.
Data
Document Version
Firmware Version
Description
2022-1-2
V3.2
G5.0.1.5-211103-1
70736.trx
Added two OpenVPN tunnel, Improved UI
http/https timeout.
2021-7-19
V3.1
G5.0.1.5-210719-1
55351.trx
Improved SIM tray in hardware, Added IKE2 and
TR069
2020-4-2
V3.0
G5.0.1.5-200317-1
62210.trx
WL-G520 UI3.0
Shenzhen WLINK Technology Company Limited
Add:
2A, F5 Building, TCL International E City, No.1001 Zhongshanyuan Rd.,
Nanshan Dist., Shenzhen, 518052, China
Web:
http://www.wlink-tech.com
Service Email:
[e-mail]
Tel:
86-755-86089513
Fax:
86-755-26059261

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Contents
Contents.......................................................................................................................................................................3
1Hardware Installation..............................................................................................................................................5
1.1 Panel..............................................................................................................................................................5
1.2 LED Status....................................................................................................................................................7
1.3 Dimension.....................................................................................................................................................7
1.4 How to Install................................................................................................................................................8
2Router Configuration............................................................................................................................................ 10
2.1 Local Configure..........................................................................................................................................10
2.2 Status...........................................................................................................................................................11
2.3 Overview..................................................................................................................................................... 11
2.4 Traffic Stats.................................................................................................................................................12
2.5 Device List.................................................................................................................................................. 12
2.6 Tool Column................................................................................................................................................13
2.7 Basic Network............................................................................................................................................ 15
2.8 WLAN Setting.............................................................................................................................................25
2.9 Advanced Network Setting...................................................................................................................... 27
2.10 Firewall......................................................................................................................................................36
2.11 VPN Tunnel.............................................................................................................................................. 38
2.12 Administration.......................................................................................................................................... 48
3Configuration Instance......................................................................................................................................... 56
3.1 VLAN........................................................................................................................................................... 56
3.2 WAN Backup (WAN as Main, Cellular Backup)................................................................................... 58

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3.3 Port Forwarding......................................................................................................................................... 60
3.4 IP Passthrough.......................................................................................................................................... 61
3.5 Captive Portal.............................................................................................................................................63
3.6 GPS Settings..............................................................................................................................................66
3.7 Firewall........................................................................................................................................................ 69
3.8 VPN Tunnel................................................................................................................................................ 70

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1Hardware Installation
This chapter is mainly for installation introduction, there would be some difference between the scheme
and real object. But the difference won’t have any influence to products performance.
1.1 Panel
Table 1-1 WL-G520 Structure
WLINK Tech.
G520 series
Front
Rear
There are some difference on Antenna interface and indicator light for the device with extended
Wi-Fi, GPS features.
Table 1-2 Router Interface
Port
Instruction
Remark
USIM
Plug type SIM Slot, support 1.8/3V/5V automatic
detection.
4G
LTE antenna, SMA connector, 50Ω.
GPS
LTE MIMO antenna/GPS optional
Wi-Fi1
Wi-Fi dual-band antenna, RP-SMA connector
Wi-Fi2
Wi-Fi dual-band antenna, RP-SMA connector
LAN1~LAN4
100/1000Base-TX，MDI/MDIX self-adaption.

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Port
Instruction
Remark
WAN
100/1000Base-TX，MDI/MDIX self-adaption.
Default as LAN
Reset
Reset button, (press on button at least 5
seconds)
PWR
Power connector
7.5～32VDC
DC
V+ and V-
RS232/485
Rx, Tx and GND
RS232 as default

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1.2 LED Status
Table 1-3 Router LED indictor Status
silk-screen
Indicator
Note
NET
Color
Green
Good Signal
Red
Poor Signal
Status
Quick Blinking (0.5s)
Offline
Slow Blinking (1.5s)
3G online
Solid light
4G online
WLAN
Green
Solid light
WLAN port open, but no data sending.
Green
Blinking quickly
Data is in transmitting
Green
Extinguished
WLAN port isn’t opened
LAN
Green
Solid light
Connection OK
Green
Blinking
Data Sending
Green
Extinguished
Not connection
1.3 Dimension
Figure 1-2 G520 Series Router Dimension

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1.4 How to Install
1.4.1 SIM/UIM card install
Please insert the dual SIM cards before configure the router.
Before connecting, please disconnect any power resource of router
1.4.2 Ethernet Cable Connection
Connect the router with a computer by an Ethernet cable for GUI configuration, or transit by a switch.
1.4.3 4G and Wi-Fi Antenna Plug
Connect the two magnetic 4G antennas to Main and Aux interfaces, and the two paddle shape Wi-Fi
antennas to Wi-Fi1 and Wi-Fi2 interfaces.
Wi-Fi antenna supports dual-band 2.4G and 5G band.
1.4.4 Serial Port (Terminal block) Connection
The serial port supports alternative RS232/RS485 port, and RS232 port as default. It might be requested
serial port for RS485 when place order. The serial port feature supports TCP/UDP client/server as
optional, also supports Modbus protocol. You may check the feature in Serial App of Advanced Network
UI. Below is RS232 connection sequence as reference.

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The serial port will be unavailable in WL-G520 standalone GPS model.
1.4.5 Power Supply
Voltage input range: +7.5~32VDC. (Extended models: 7.5~ 48VDC)
1.4.6 Review
After insert the SIM/UIM card and connect Ethernet cable and antenna, connect power
supply adaptor or power cable.
Please connect the antenna before power on, otherwise the signal maybe poor
because of impedance mismatching.
Notice:
Step 1 Check the antenna connection.
Step 2 Check SIM/UIM card, confirm SIM/UIM card is available.
Step 3 Power on the industrial Router
----END
Pin
Instruction
Remark
1
Vcc
3.3V output
2
GND
GND for RS232 communication
5
TXD/B
RS232 TXD, RS485 optional
4
RXD/A
RS232 RXD, 57600bps as default

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2Router Configuration
WL-G520 Series routers support GUI and CLI configuration. This chapter introduce GUI
configuration via Ethernet port, if need CLI configuration guide, please contact our
technical support department by email: [e-mail].
2.1 Local Configure
The router supports to be configured by local Ethernet port, you could specify a static IP or
set as DHCP. The default IP address is 192.168.1.1 ，subnet mask is 255.255.255.0,
please refer to following.
Step 1 Click “start > control panel”,find “Network Connections” icon and double click it to
enter, select “Local Area Connection” corresponding to the network card on this
page. Refer to the figure below.
Figure 2-1 Network Connection
Step 2 Obtain a IP address automatically or set up IP address,192.168.1.xxx(XXX can be
any number between 2～254)
Step 3 Run an Internet Explorer and visit “http://192.168.1.1/”, to enter identify page.

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User should use the default user name and password when log in for the first time
Figure 2-2 User Identify Interface
----END
2.2 Status
Check routers information such as status, traffic Stats and device list after login router.
Especially, suggest change the password according to the prompts because of security
requirement.
The UI will display” already changed login password successfully” after router reboot.
2.3 Overview
The overview GUI will be display router system information, Ethernet ports status, VPN
connection status, LAN information, 4G connection information and WLAN information,

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Figure 2-3 Router Status GUI
2.4 Traffic Stats.
Click Status->Traffic Stats. to enter the traffic stats.GUI.to check Cellular/WAN traffic in
real-time.
Figure 2-4 Traffic Stats. GUI
2.5 Device List
Click Status->Device List to enter the device list GUI.to check the connected devices
information in the list.

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Figure 2-5 Device List GUI
2.6 Tool Column
Figure 2-6 Tool Column GUI
2.6.1 Tools
2.6.1.1 Ping
Click Tools->Ping to enter ping test GUI. Used to test the reachability of a host on an
Internet IP network and to measure the round-trip time for messages sent from the
originating host to a destination server.
2.6.1.2 Trace
Click Tools->Trace to enter trace test GUI. diagnostic tool for displaying the
routeand measuring transit delays of packets across an Internet IP network.

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2.6.1.3 WOL
Click Tools-> WOL to enter WOL(Wake On Lan) GUI. Used to wake up those connected devices
via WOL protocol. Clock left mouse button to wake up the device.
2.6.1.4 Log
Click Tools-> Log to enter Log GUI. Use to check logs in GUI, download GUI and send logs to
server.
2.6.1.5 Capture
Click Tools-> Capture to enter capture data GUI. Use to capture LAN/WAN data packet to analyse
what happen in the router.

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2.6.2 Bandwidth
Click Bandwidth to enter bandwidth graphic GUI. Used to check cellular/LAN/Wi-Fi real-time
bandwidth.
2.6.3 System
Click system to choose software reboot, hardware reboot and logout GUI.
2.7 Basic Network
2.7.1 WAN Setting
Step 1 Basic Network>WAN to enter below interface.

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Table 2-1 WAN Setting Instruction
Parameter
Instruction
Type
Support DHCP, PPPoE, Static IP address
Step 2 After setting, please click “save” to finish, the device will reboot.
----End
2.7.2 Cellular Setting
Step 1 Basic Network-> Cellular, you can modify relevant parameter according to the
application.

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Table 2-2 WAN Setting Instruction
Parameter
Instruction
Enable Modem
Enable/Disable 4G mode.
Use PPP
ECM dialup as default. PPP optional.
ICMP check
If enable ICMP check and setup a reachable IP address as
destination IP, the router will reconnect/reboot once ICMP
check failed.
Cellular Traffic Check
The router will reconnect/reboot once there’s no Rx/Tx data.
CIMI Send to
Send CIMI to a defined IP and port by TCP protocol.
SMS Code
Remote control the router by SMS. Only the configured SMS
code will work.
Operator Lock
Lock a specified operator for the router by MCC/MNC code.
Dual SIM Mode
【Fail Over】Two SIM cards mutual backup. Once SIM1 failed,
it’ll switch to SIM2 and work on SIM2, and vice versa.
【SIM1 Only】Only SIM1 works.
【SIM2 Only】Only SIM2 works.
【Backup】SIM1 is the primary SIM. Once SIM1 failed, it’ll switch
to SIM2 and work on SIM2 for a specified period of time, then it
switches back to SIM1.

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Parameter
Instruction
Connect Mode
【Auto】The router will automatically connect to 3G/4G networks
and give priority to 4G.
【LTE】Router will connect to 4G only.
【3G】Router will connect to 3G only.
Pin Code
Some SIM cards are locked with a Personal Identification Number
(PIN) code in case they are lost or stolen.
APN
APN is provided by local ISP, usually CDMA/EVDO networks
do not need this parameter.
User
SIM card user name is provided by ISP
Password
SIM card password is provided by ISP
Auth. Type
Auto/PAP/Chap/MS-Chap/MS-Chapv2 authentication optional.
SIM Local IP Address
Fix SIM IP. The feature is available if carrier can provide this service.
ICMP Check and Cellular Traffic Check are alternative.
【ICMP Check】
Enable ICMP, Router will automatically check whether the defined IP address is
reachable per 60s. If the IP address is unreachable and ICMP check is timeout at
the first time, it will check 2 times every 3 seconds. If the third time is still failed, the
router will redial.
The ICMP Check IP is a public IP or company server IP address.
【Cellular Traffic Check】
【Check Mode】there are Rx(Receive), Tx(Transmission) and Rx/Tx check modes.

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【Rx】Router will check the 3G/LTE cellular receiver traffic. If no receiver traffic within
the defined check interval, the router will implement the specified action reconnect
or reboot.
Step 2 After Setting, please click “save” icon.
----End
2.7.3 LAN Setting
Step 1 Basic Network>LAN to enter below interface

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Table 2-3 LAN Setting Instruction
Parameter
Instruction
Bridge
Supports 4 LAN IP address for br0 to br3 interface. If need to
support VLAN, please go to VLAN GUI.
Router IP Address
Router IP address, default IP is 192.168.1.1
Subnet Mask
Router subnet mask, default mask is 255.255.255.0
DHCP
Dynamic allocation IP service, after enable, it will show the
IP address range and options of lease
IP Pool
IP address range within LAN
Lease
The valid time, unit as minute
Add
Add LAN IP address, supports 4 LAN IP addresses.
Step 2 After setting, please click “save” to finish, the device will reboot.
----End
2.7.4 VLAN
Step 1 Basic Network->VLAN to enter the VLAN setting page.
Table 2-4 LAN Setting Instruction
Parameter
Instruction
VID
VLAN ID number. The VID range is from 1 to 15.
LAN1~LAN4,
WAN
LAN
Tagged
Enable to make router can encapsulate and de-encapsulate
the VLAN tag.
Bridge
Routers interface br0, br1, br2, br3 and WAN