Titan MTX-Router-Titan-3G-mini User manual

MatrixElectrónica–MTX‐Router‐Titan UserManual‐Rel3.00.3.09
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User manual.
Models:
MTX-Router-Titan-3G-mini
MTX-Router-Titan-3G-mini-GPS
MTX-Router-Titan-4G-mini-GPS
MTX-Router-Titan-mini (only Eth & Wifi)
MTX-Router-Titan-3G
MTX-Router-Titan-3G-GPS
MTX-Router-Titan-3G-WC25
MTX-Router-Titan-4G-GPS
MTX-Router-Titan (only Eth & Wifi)

MatrixElectrónica–MTX‐Router‐Titan UserManual‐Rel3.00.3.09
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Example scenario of how the TITAN routers can be
used:
MTX-Router-
Titan-3G-mini
IP Camera
3G ETHERNET
ADSL
Relay control via
SMS and status
changes, IP and
SMS alarms.
MTX-Temp-RS232
te
m
pe
r
atu
r
e
se
n
so
r
RS232
WWW
Server
Database
Temperature
D
ata
(JSO
N
)
RS485
RS485
RS485 Modbus
M
ete
r
Modbus
Meter
Modbus
M
ete
r
Modbus
M
ete
r
RS485
Internal
Relay
DynDNS
Weather station
with USB port
Digital Input
Open door alarm
Internet Access for
Wi-Fi enabled
devices

MatrixElectrónica–MTX‐Router‐Titan UserManual‐Rel3.00.3.09
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General Notes
Product is deemed accepted by recipient and is provided without interface to recipient’s products. The documentation
and/or product are provided for testing, evaluation, integration and information purposes. The documentation and/or
product are provided on an “as is” basis only and may contain deficiencies or inadequacies. The documentation and/or
products are provided without warranty of any kind, express or implied. To the maximum extent permitted by applicable
law, Matrix Electronica further disclaims all warranties, including without limitation any implied warranties of
merchantability, completeness, fitness for a particular purpose and non-infringement of third-party rights. The entire risk
arising out of the use or performance of the product and documentation remains with recipient. This product is not intended
for use in life support appliances, devices or systems where a malfunction of the product can reasonably be expected to
result in personal injury. Applications incorporating the described product must be designed to be in accordance with the
technical specifications provided in these guidelines. Failure to comply with any of the required procedures can result in
malfunctions or serious discrepancies in results.
Furthermore, all safety instructions regarding the use of mobile technical systems, including GSM products, which also
apply to cellular phones must be followed. Matrix Electronica or its suppliers shall, regardless of any legal theory upon
which the claim is based, not be liable for any consequential, incidental, direct, indirect, punitive or other damages
whatsoever (including, without limitation, damages for loss of business profits, business interruption, loss of business
information or data, or other pecuniary loss) arising out the use of or inability to use the documentation and/or product,
even if Matrix Electronica has been advised of the possibility of such damages. The foregoing limitations of liability shall
not apply in case of mandatory liability, e.g. under the Spanish Product Liability Act, in case of intent, gross negligence,
injury of life, body or health, or breach of a condition which goes to the root of the contract. However, claims for damages
arising from a breach of a condition, which goes to the root of the contract, shall be limited to the foreseeable damage,
which is intrinsic to the contract, unless caused by intent or gross negligence or based on liability for injury of life, body or
health. The above provision does not imply a change on the burden of proof to the detriment of the recipient. Subject to
change without notice at any time. The interpretation of this general note shall be governed and construed according to
Spanish law without reference to any other substantive law.
Important information
This technical description contains important information for start up and use of the MTX-Router-Titan devices.
Read it carefully before you start working with Titan router devices. The warranty will be void should damage occur due to
non-compliance with these instructions for use. We cannot accept any responsibility for consequential loss.
Service and Support
To contact customer support please use the contact details below:
Matrix Electronica
Alejandro Sanchez, 109
28019 Madrid –Spain
[email protected]
Information about routers products is available on the following web site:
http://www.mtxm2m.com
REVISION INFORMATION
VERSION. 3.00.3.09 Release: November 2015

MatrixElectrónica–MTX‐Router‐Titan UserManual‐Rel3.00.3.09
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Contents
1.‐Introduction..................................................................................................................................................8
2.‐FAQs.BasicConcepts...................................................................................................................................9
3.‐Step‐by‐stepconfiguration.........................................................................................................................14
4.‐Configuration..............................................................................................................................................15
4.1‐WAN.........................................................................................................................................................15
4.1.1‐WAN>>Status.......................................................................................................................................15
4.1.2‐WAN>>BasicSettings...........................................................................................................................16
4.1.3‐WAN>>BasicSettings>>Utils.............................................................................................................18
4.1.4‐WAN>>KeepOnline.............................................................................................................................21
4.2‐LAN...........................................................................................................................................................22
4.2.1‐LAN>>BasicSettings............................................................................................................................22
4.2.2‐LAN>>DHCPServer..............................................................................................................................23
4.3‐Wi‐Fi.........................................................................................................................................................24
4.3.1‐Wifi>>BasicSettings............................................................................................................................24
4.3.2‐Wi‐Fi>>DHCPServer............................................................................................................................26
4.4‐Firewall.....................................................................................................................................................27
4.4.1‐Firewall>>NAT.....................................................................................................................................27
4.4.2‐Firewall>>AuthorizedIPs....................................................................................................................29
4.5‐SerialSettings>>SerialportX..................................................................................................................31
4.6‐ExternalDevices.......................................................................................................................................35
4.6.1‐ExternalDevices>>Loggerconfiguration.............................................................................................35
4.6.2‐ExternalDevices>>TemperatureSensor............................................................................................38
4.6.3‐ExternalDevices>>DistanceSensor.....................................................................................................41
4.6.4‐ExternalDevices>>ModbusRTU/TCP................................................................................................44
4.6.4.1‐ExternalDevices>>ModBusRTU/TCP>>ModbustoSNMPgateway............................................46

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4.6.5‐ExternalDevices>>WAVENIS...............................................................................................................47
4.6.5.1‐ExternalDevices>Wavenis>WaveTalk............................................................................................47
4.6.5.2‐ExternalDevices>Wavenis>Waveflow‐4........................................................................................47
4.6.5.3‐ExternalDevices>Wavenis>Wavetherm.........................................................................................48
4.6.5.3‐ExternalDevices>Wavenis>Tools...................................................................................................48
4.6.6‐ExternalDevices>>GPSReceiver.........................................................................................................51
4.6.7‐ExternalDevices>>GenericSerialDevice............................................................................................53
4.7.1‐Other>>DynDns...................................................................................................................................55
4.7.2‐Other>>PrivateDynDns.......................................................................................................................56
4.7.3‐Other>>RelayX.....................................................................................................................................58
4.7.4‐Other>>ATCommand..........................................................................................................................62
4.7.5‐Other>>SMSControl............................................................................................................................63
4.7.6‐Other>>Periodicautoreset..................................................................................................................65
4.7.7‐Other>>CustomSkin............................................................................................................................67
4.7.8‐Other>>CustomLED............................................................................................................................68
4.7.9‐Other>>TimeServer(NTP)..................................................................................................................69
4.7.10‐Other>>Remoteconsole...................................................................................................................70
4.7.11‐Other>>Passwords............................................................................................................................71
4.7.12‐Other>>UserPermissions..................................................................................................................72
4.7.13‐Other>>Backup/Examples...............................................................................................................73
5.7.14‐Other>>DigitalInputX.......................................................................................................................75
4.7.15‐Other>>JammingDetection..............................................................................................................78
4.7.16‐Other>>TitanScripts..........................................................................................................................81
4.7.17‐Other>>ModbusTCPSlave................................................................................................................95
4.7.18‐Other>>EmailConfiguration............................................................................................................100
4.7.19‐Other>>SNMP..................................................................................................................................102
4.7.20‐Other>>Movementdetector...........................................................................................................105

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4.8.1‐VPN>>OpenVPNServer.....................................................................................................................107
4.8.2‐VPN>>OpenVPNClient......................................................................................................................109
5.‐ATCommands..........................................................................................................................................111
6.‐Plugins......................................................................................................................................................117
6.1.‐Plugin“No‐Nat”.....................................................................................................................................118
6.1.‐Plugin“Watchdog”................................................................................................................................121
Annex1BasicExampleScenarios&Configurations....................................................................................123
ExampleScenario1.1ConfigurationtoprovideaPLCdevicewithanEthernetportwithaccesstotheInternet
...............................................................................................................................................................................124
ExampleScenario1.2ConfigurationtoprovideInternetaccessandremotelyconnectanIPcamerawithan
Ethernetport.........................................................................................................................................................126
ExampleScenario1.3ConfigurationtoprovideInternetaccesstoadevicewithanEthernetportandtoseveral
deviceswithWi‐Ficonnectivity.............................................................................................................................129
ExampleScenario1.4ConfigurationtoprovideaPLCdevicewithanEthernetportwithInternetaccess.Wi‐Fi
deviceswillbeabletoaccesstheEthernetdevicebutInternetaccessfortheWi‐Fideviceswillbeblocked.....133
Annex2AdvancedExampleScenariosandConfigurations.........................................................................136
ExampleScenario2.1ConfigurationtoprovideInternetaccesstoadevicewithanEthernetportwhichwewant
toaccessremotely.UsesaSIMcardwithadynamicIPaddressalongwiththeDynDNSorNo‐IPservice..........137
ExampleScenario2.2Configurationtobeabletoaccessaserialdevicewitha3G‐RS232gatewaywhilstInternet
accessisgiventoadevicewithanEthernetport..................................................................................................140
ExampleScenario2.3ConfigurationtoprovideInternetaccesstoadevicewithanEthernetport.Anotherserial
devicewillbeconnectedtotherouterviaanRS232portinordertosendSMSmessagesviaATcommands....143
ExampleScenario2.4ConfigurationtoremotelyaccessaUSBdeviceviaInternetusinga3Grouter................146
ExampleScenario2.5ConfigurationtoprovideremoteaccesstoadevicewithanEthernetportaswellasto
changearelayviaSMStoactivate/deactivatethepowersupplyofathirddevice..............................................149
ExampleScenario2.6ConfigurationtoperiodicallysenddatafromanRS232temperaturesensortoaWeb
server,aswellassendingSMSalertsaboutthetemperature,providingremoteaccesstoanIPcameraand
changingtherouter’sinternalrelayaccordingtoagiventimetableorSMSinordertoactivate/deactivate
anotherdevice.......................................................................................................................................................152
ExampleScenario2.7ConfigurationoftheTitandevicetoperiodicallysenddatafromadistancesensortoa
Webserver,aswellasplanningtosendSMSalertsaccordingtothedistancemeasuredandactivatingawarning
lightviaarelay.Additionally,weneedtoprovideInternetaccesstoWi‐Fienabledtablets................................154
ExampleScenario2.8ConfigurationtosendtoawebservertheModbusreadingsof5ModbusRS485devices,
aswellasprovidingInternetaccesstoanEthernetnetworkanalyzer..................................................................156

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ExampleScenario2.9Accesstoanelectricitymeter’sdataviaaGSMdatacall(fromtheenergysuppliersuchas
Iberdrola,Endesa,etc.)aswellasviaInternetusinganexistingADSLrouter,givingprioritytotheGSMdatacall
fromthecompany.................................................................................................................................................158
ExampleScenario2.11ExampleofhowTitanScriptsareused.UpdatingregistersinaModbusdeviceaccording
totheModbusregistersinadifferentdevice.SendingSMSandchangingtheTitan’srelaysaccordingtothe
valuesintheseregisters.........................................................................................................................................166
ExampleScenario2.12ExampleofanalarmafterdetectingJamming(GSMinhibitor).RemotecontrolofanIP
cameraviaGPRS.ChangingarelayandmakingawarningcallwhenpossibleJammingisdetected.SendingSMS
alertswhenanopengateisdetected....................................................................................................................170
ExampleScenario2.13AutonomousreadingofModbusregistersandautomaticsendingtotwowebplatforms.
HTTPGETwillbeusedtosendtheregisterstooneplatform,andtotheotherwewillsendthedataviaFTP....176
AnnexAGeneraldescriptionofHardwareconnections..............................................................................183
GeneralDescriptionofHardware..........................................................................................................................184
A.1.‐QuickguidetotheMTX‐Router‐Titan‐3Gmoduleconnections....................................................................184
A.2.‐QuickguidetotheMTX‐Router‐Titan‐3G‐minimoduleconnections............................................................187
AnnexBGenericemulationsoftwareforvirtualserialports.......................................................................190
Emulationsoftwareforserialports:VSPEQuickquidetotheemulationsoftwareforserialports....................191
AnnexCReleasenotesoffirmwareversions...............................................................................................195

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1.- Introduction.
Titan devices are 2G/3G/4G routers with advanced Gateway capacities.
As well as the classic router capacities, these devices can create 3G-RS232/485 gateways,
control USB devices remotely, execute SMS commands (to check coverage, change relays,
etc.) accept GSM data (CSD) calls to access devices such as electricity meters, read TCP or
RTU modbus devices remotely, send temperature, distance data to the cloud, and many more
possibilities.
For a greater understanding of the possibilities of these routers, we strongly recommend that
you read Chapter 2 of thismanual – theFAQs. After reading this, you will have a greater vision
of what it can do. Once you have read the FAQs, take a look at the examples in the Annex.
These examples will provide you with a clearer understanding of the routers’ possibilities.
All users of our MTX modems and routers are provided with assistance with free technical
support that offers quick and efficient responses. Therefore, if you still have doubts after
reading this manual, do not hesitate to get in touch with us via email at [email protected].
Likewise, if you have the need for a characteristic not yet included in our routers, or you require
a customized product, please let us know and we can investigate it for you.

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2.- FAQs. Basic Concepts.
If you still have doubts after reading the previous list of benefits, we recommend that you read the
following FAQs where everything you need to know about the main characteristics of the MTX-
Router-Titan-3G and MTX-Router-Titan-3G-mini devices is explained in a detailed manner.
What is the physical structure of the MTX-Router-Titan-3G and MTX-Router-
Titan-3G-mini devices like?
Below you have an image of the MTX-Router-Titan-3G :
And an image of the
MTX-Router-Titan-3G-mini :
What can I do with the MTX-Router-Titan-3G and MTX-Router-Titan-3G-mini
devices?
Basically, everything that can be done with a standard 3G router is possible with this device,
with the addition of several advanced gateway benefits. For example, you can give Internet
connectivity to the devices connected to your Ethernet port, as well as providing NAT to
connect via Internet to devices that are attached to the port.
Is it possible to connect Wi-Fi enabled devices to Internet using a Wi-Fi
connection?

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Essentially, yes. MTX-Router-Titan-3G and MTX-Router-Titan-3G-mini can be used as an
Access Point Wi-Fi, and therefore can provide an Internet connection to Wi-Fi enabled
devices.
What is offered in terms of serial gateways?
Up to three simultaneous serial/3G gateways can be used, whether they are of the form TCP
Client or TCP Server. This means that you can control three or more serial devices.
What about RS232 or RS485 serial gateways?
With the MTX-Router-Titan-3G device, you can have up to three RS232 gateways and one of
these can be configured to be RS485. With the MTX-Router-Titan-3G-mini device, you can
have up to two RS232 gateways, one of which is configureable to be RS485.
It would be interesting if the MTX-Router-Titan devices allowed Internet
connectivity (via ETH or Wi-Fi), but were also capable of picking up and
managing a GSM data (CSD) call for Metering applications. Is it possible?
Yes, but with restrictions. The MTX-Router-Titan must force itself to work in 2G mode. In this
way, it can carry out the normal functions of the router at the same time that it manages a CSD
calls that is received without problem.
I want a 3G router but I need to be able to send AT commands directly to it to
be able to send SMS, consult the network coverage, etc. Does the MTX-Router-
Titan-3G or MTX-Router-Titan-3G-mini allow this?
Yes, both do, and in several ways. You can send AT commands from a serial port or a Telnet
connection via IP and even SMS.
I notice that both the MTX-Router-Titan-3G and the MTX-Router-Titan-3G-mini
have a USB port. Could I connect a USB device to the gateway to create a USB-
3G gateway; i.e. control a USB device remotely?
If the USB uses the FTDI driver, then yes. For other types of drivers, we must investigate
further. Please send an email to [e-mail] for more information.
Do the MTX-Router-Titan devices support a Modbus TCP to Modbus RTU
gateway?
Yes, it does support this protocol conversion.

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Can it also read Modbus RTU devices autonomously to send the data to the
Cloud?
Yes, it can. The MTX-Router-Titan-3G and MTX-Router-Titan-3G-mini devices can read
Modbus RTU devices, store the readings and send them to web platforms via a JSON object
when there is network coverage.
In other words, the MTX-Router-Titan-3G has the capability of a datalogger and
can store data?
In essence, it can store many different types of data to send them later to web platforms.
Amongst these we have ModBus readings, temperature readings, distance sensors,
waveflows, etc.
Temperatures and distances?
Yes. You can directly connect an MTX-Temp-RS232 temperature sensor to a serial port on
the MTX device and carry out many things. For example, you can periodically read and send
to the Cloud the temperatures, you can send an SMS alarm or IP message when the
temperature is above or below a pre-determined level, etc. The Maxbotix RS232 distance
sensor works exactly the same. The MTX device can periodically send the measurements, or
send SMS alarms or IP messages whenever the distance measured is greater than or less
than a particular value. Typical applications include grain silos.
Does it work the same for waveflows?
It works in a similar way. The MTX-Router-Titan-3G device can read waveflows (pulse
counters for electricity or water meters for metering applications) and send them to the Cloud.
Several utilities have been incorporated to check the RF link level in the MTX-Router-Titan-
3G device’s web configuration environment.
What is meant by the web configuration environment?
All device configurations can be carried out by using the webconfiguration, i.e. onthe devices’
internal webserver.
Is it possible to read or load a complete configuration in the routers belonging
to the Titan family? This helps the production process when there is a
considerable number of devices to be configured.
Essentially, you can create backups/restorations of complete configurations.

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Do the MTX-Router-Titan-3G and MTX-Router-Titan-3G mini devices have
DynDNS?
Yes, they do, and compatible with NO-IP. Also, there is the possibility of using private DNS to
send the current IP address, either every time it changes or periodically, to a private server
such as your business server.
Can the relays also be controlled?
Yes, they can. The MTX-Router-Titan-3G device has two relays and the MTX-Router-Titan-
3G-mini device, being smaller, has just one relay. The relays can be changes from a web
browser, via SMS, AT commands, Telnet or according to a timetable and even a temperature
(high or low) or distance (longer or shorter).
If we talk about a timetable, does this mean that the MTX-Router-Titan-3G and
MTX-Router-Titan-3G-mini have a real time clock?
Yes, they do. It is synchronized using NTP via Internet. In the current version (1.01), UTC time
is used.
Is there a digital entry to send alarms in case of changes?
Yes, but only with the MTX-Router-Titan-3G-mini device.
Can the MTX devices be configured by SMS?
Yes, they can. You can send AT commands via SMS in order to restart the device, change the
configuration, find out the IP address, check the network coverage, etc.
I would like to be able to personalize the web configuration environment with
my company’s logos and images. Can this be done?
Yes. Users are free to customize the web configuration environment using their logos,
headers/footers, etc. You can even choose which menus the final user can see/change.
Do the MTX-Router-Titan-3G and MTX-Router-Titan-3G-mini devices have an
LED indicator light?
Yes, they do. There is also a user-configurable LED that can illuminate in red if the device
cannot read the IP address, or if the network coverage is weak, etc.

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Finally, can MTX-Router-Titan-3G and MTX-Router-Titan-3G-mini devices carry
out all the previous simultaneously?
Yes, they can. For example, 3G-RS232 gateways can run alongsidea 3G-USB gateway whilst
allowing a device to connect to the Internet using its Ethernet connection, or giving Wi-Fi
connectivity to PDAs, whilst using DynDNS, timed relays, or sending to the Cloud readings
from water meters obtained by RF868MHz, etc. All this can work simultaneous and in
harmony.

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3.- Step-by-step configuration.
As previously mentioned, the configuration of the MTX-Router-Titan-3G and MTX-Router-Titan-
3G-mini devices is done using a web environment.
What is needed?
- A PC with a web browser (Chrome, IExplorer, Firefox, …) and Ethernet port.
- An Ethernet cable to connect the PC with the MTX device.
Steps to access the configuration environment.
1. Connect the Ethernet cable to the PC and MTX device.
2. The PC must have a fixed IP address and of the form 192.168.1.X, given the
default IP address of the MTX-Router-Titan-3G and MTX-Router-Titan-3G-
mini devices is 192.168.1.2
3. Open a browser with the address http://192.168.1.2. A window similar to the
one below should appear:
4. Use the default username and password: admin and admin

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4.- Configuration
4.1- WAN
The WAN section refers to everything related to the 2G/3G route configuration, from the connection
status, network configuration parameters and supervision of the connection.
4.1.1- WAN >> Status
This screen shows the general status of the router.
Public IP: WAN IP address (address of the GPRS/3G connection) if available.
GSM Module: indicates the manufacturer and the router’s internal GSM module model
Network (2G/3G): indicates if the current WAN connection is using 2G (GPRS) or 3G.
RSSI: indicates the signal strength. 0=none, 31=maximum
Internal Temperature: shows the internal processor’s temperature. (It does not indicate the
outsidetemperature. Tofindthisout, a MTX-Temp-RS232peripheraldevice canbe connected
to the router.)

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4.1.2- WAN >> Basic Settings
This section assists with the configuration of the WAN (2G/3G) connection parameters. You will need
to know certain information about the SIM card such as the APN, login and password. Your network
provider should provide you with these.
Enabled WAN: select this to allow the MTX-Router-Titan to activate the 2G/3G device.
Session Time: indicates the time in minutes that the 2G/3G connection should be active. If
the value is “0”, it means that the connection is active all the time. If a value greater than 0 is
specified, the number specifies the number of minutes during which the connection will be
active following an event such as an SMS message being received or a missed call. Go to the
configuration “Other > SMS Control” to activate and configure these events for when a number
greater than 0 is specified.
APN: Operator APN. Consult your GSM provider for this.
Username: Operator Username. Consult your GSM provider for this.
Password: Operator Password. Consult your GSM provider for this.
Call center: Call Centre Number. Usually *99***1#
Sim Pin: If your SIM card has a PIN number, it should be specified here.
Authentication: The method of authentication. Usually PAP.
Network selection:
auto: the router will use 3G when 3G coverage is available, and 2G in the
event that there is no 3G coverage.
3G: the router will use 3G networks in every case. If there is no 3G coverage,
it will not change to 2G.
GPRS: the router will use 2G networks in all cases.
DNS1 and DNS2: DNS servers for domain name resolution. It is recommended that those
belonging to Google (8.8.8.8 and 4.4.4.4) are used, or whatever your provider gives you.
Remote management: if activated, you will be able to access the router’s web configuration
remotely via the public IP address (indicated in WAN>Status).
Remote TCP Port: indicates the TCP port for remote configuration. For example, if the value
is 8080, the URL of the configuration will be http://x.x.x.x:8080. The standard default port is
80, but if you wish to use NAT to the TCP80 port in an ETH device (IP camera, PLC), you will
need to change it, for example, to 8080.

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Additional Notes.
- Once the configuration is finished, click “SAVE CONFIG” to save the changes.Remember
that the router should be restarted for the changes to take effect.

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4.1.3- WAN >> Basic Settings >> Utils
The utilities that you can find at the bottom of the “WAN > Basic Settings” screen allow you to select
the main and secondaryGSM operators when using a Global SIM card. (A Global SIM card allows you
to connect to several network operators that are available. For example, in Spain, you would be able
to connect to Movistar, Vodafone or Orange).
Strong Scanning: This scans the GSM stations for all available network operators. This
action uses a significant amount of processing power and therefore can take up to 4
minutes. On occasion, it may be necessary to try the process again. If successful, a list of
the detected BTS will be shown, indicating the operator’s name, its code, its availability and
the type of network (2G/3G). This could be very useful in helping you decide the best
operator to use in a particular place.

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With Strong Scanning, 3G connectivity is lost during the process and therefore we
recommend using the Ethernet interface to carry this out. Because of this, “Strong Scanning”
has two buttons – “start process from Ethernet” and “Start process from 3G”.
If the process is carried out using Ethernet, press this button and the results will be shown on
screen once finished.
If the process is carried out using 3G, press this button and after five minutes, the device will
reset itself. You will have to return to the screen manually and press the “See last results”
button in order to see the results.
Light Scanning: This carries out a similar process, but only those operators that are available
for your SIM card are identified. 3G connectivity is not lost during the process, which could last
up to 2 minutes, meaning that it is ideal when carried out remotely via 3G.
Chooseoperators: This allows youto choose theGSM operatorand the secondaryoperators.
It can only be used when a Global SIM (allowing connections to several operators) is inserted.
The default setting is “Automatic”.
Example contained in the screenshot above. We choose the “Main and Backups” option,
which forces the indicated GSM operators to be used. The main operator is 21407
(Movistar). If an IP address is not obtained using this network, the process is retried using
operator 21043 (Orange), and if this fails, it tries again with operator 21401 (Vodafone). If the

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third network operator also fails, the router will try to connect to a GSM network
automatically. 
If we select the “Automatic” option instead of “Main and Backups”, the router will try to select
the operator in the order that is stablished in the SIM card’s internal tables. Except for in
locations prone to connectivity problems, we recommend you use the “Automatic” option.
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