Moxa OnCell 3120-LTE-1 User Manual

OnCell 3120-LTE-1 User’s Manual

Version 1.1, July 2020

www.moxa.com/product

OnCell 3120-LTE-1 User’s Manual

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The software described in this manual is furnished under a license agreement and may be used only in accordance

with the terms of that agreement.

Trademarks

The MOXA logo is a registered trademark of Moxa Inc.

All other trademarks or registered marks in this manual belong to their respective manufacturers.

Disclaimer

Information in this document is subject to change without notice and does not represent a commitment on the part of

Moxa.

Moxa provides this document as is, without warranty of any kind, either expressed or implied, including, but not

limited to, its particular purpose. Moxa reserves the right to make improvements and/or changes to this manual, or to

the products and/or the programs described in this manual, at any time.

Information provided in this manual is intended to be accurate and reliable. However, Moxa assumes no responsibility

for its use, or for any infringements on the rights of third parties that may result from its use.

This product might include unintentional technical or typographical errors. Changes are periodically made to the

information herein to correct such errors, and these changes are incorporated into new editions of the publication.

Technical Support Contact Information

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Table of Contents

1. Introduction ...................................................................................................................................... 1-1

Overview ........................................................................................................................................... 1-2

Package Checklist ............................................................................................................................... 1-2

Product Features ................................................................................................................................ 1-2

Product Specifications ......................................................................................................................... 1-2

Functional Design ............................................................................................................................... 1-3

LED Indicators ............................................................................................................................ 1-4

Beeper ....................................................................................................................................... 1-4

Reset Button ............................................................................................................................... 1-5

2. Getting Started ................................................................................................................................. 2-1

First—time Installation and Configuration .............................................................................................. 2-2

Step 1: Install a SIM Card ............................................................................................................ 2-2

Step 2: Turn On the OnCell 3120-LTE-1 ......................................................................................... 2-2

Step 3: Connect the OnCell 3120-LTE-1 to a Computer .................................................................... 2-2

Step 4: Configure an IP Address for the Computer .......................................................................... 2-2

Step 5: Access the Web Console ................................................................................................... 2-3

Step 6: Establish a Cellular Connection .......................................................................................... 2-4

Step 7: Verify the Cellular Connection ............................................................................................ 2-4

3. Web Console Configuration ............................................................................................................... 3-1

Accessing the Web Console .................................................................................................................. 3-2

Configuration Menu Overview ....................................................................................................... 3-3

Overview ........................................................................................................................................... 3-6

General Setup .................................................................................................................................... 3-6

System Information Settings ........................................................................................................ 3-6

Interface On/Off .......................................................................................................................... 3-7

Network Settings ......................................................................................................................... 3-7

System Time .............................................................................................................................. 3-8

Operation Mode .................................................................................................................................. 3-9

Device Control Applications ........................................................................................................ 3-10

Socket Applications ................................................................................................................... 3-22

Cellular Settings ............................................................................................................................... 3-35

Cellular WAN Settings ................................................................................................................ 3-36

GuaranLink ............................................................................................................................... 3-37

Auto IP Report Settings .............................................................................................................. 3-42

OnCell Central Manager Settings ................................................................................................. 3-43

Advanced Settings ............................................................................................................................ 3-43

DHCP Server ............................................................................................................................. 3-43

DDNS ...................................................................................................................................... 3-45

Packet Filters ............................................................................................................................ 3-45

Port Forwarding Function ............................................................................................................ 3-47

SNMP Agent ............................................................................................................................. 3-48

VPN ................................................................................................................................................ 3-50

IPsec ....................................................................................................................................... 3-50

OpenVPN .................................................................................................................................. 3-59

Scheduling and Power Management .................................................................................................... 3-68

Serial Port Settings ........................................................................................................................... 3-69

Logs and Notification ......................................................................................................................... 3-72

System Log .............................................................................................................................. 3-72

Syslog ..................................................................................................................................... 3-72

Email Notifications ..................................................................................................................... 3-74

Trap ........................................................................................................................................ 3-75

SMS ........................................................................................................................................ 3-76

Status ............................................................................................................................................. 3-77

Serial ....................................................................................................................................... 3-77

VPN ......................................................................................................................................... 3-79

DNS Status ............................................................................................................................... 3-81

SIM Status ............................................................................................................................... 3-81

DHCP Client List ........................................................................................................................ 3-81

System Log .............................................................................................................................. 3-82

LAN Status ............................................................................................................................... 3-82

System Status .......................................................................................................................... 3-82

Network Status ......................................................................................................................... 3-83

Maintenance .................................................................................................................................... 3-86

Console Settings ....................................................................................................................... 3-86

Ping Command.......................................................................................................................... 3-86

Firmware Upgrade ..................................................................................................................... 3-87

Configuration Import & Export .................................................................................................... 3-87

Load Factory Default .................................................................................................................. 3-88

Account Settings ....................................................................................................................... 3-89

Change Password ...................................................................................................................... 3-90

Locate Device ........................................................................................................................... 3-91

Miscellaneous Settings ............................................................................................................... 3-91

Troubleshooting ........................................................................................................................ 3-91

Manual SMS .............................................................................................................................. 3-91

Remote SMS Control .................................................................................................................. 3-92

Saving the Configuration ................................................................................................................... 3-93

Restart ............................................................................................................................................ 3-94

Logout ............................................................................................................................................ 3-95

4. Software Installation and Configuration ........................................................................................... 4-1

Overview ........................................................................................................................................... 4-2

Wireless Search Utility ......................................................................................................................... 4-2

Installing the Wireless Search Utility .............................................................................................. 4-2

Configuring the Wireless Search Utility ........................................................................................... 4-5

A. Supporting Information .................................................................................................................... A-1

Firmware Recovery ............................................................................................................................. A-2

DoC (Declaration of Conformity) ........................................................................................................... A-3

Federal Communication Commission Interference Statement ............................................................ A-3

R&TTE Compliance Statement ....................................................................................................... A-4

B. Dynamic Domain Name Server .......................................................................................................... B-1

C. Well-known Port Numbers ................................................................................................................ C-1



1. Introduction

The OnCell 3120-LTE-1 industrial cellular gateway is an ideal wireless solution for remote monitoring

applications. The wide-temperature support makes the OnCell 3120-LTE-1 rugged enough for any harsh

industrial environment.

The following topics are covered in this chapter:

Overview

Package Checklist

Product Features

Product Specifications

Functional Design

 LED Indicators

 Beeper

 Reset Button

OnCell 3120-LTE-1 Introduction

1-2

NOTE

The above items

customized versions.

NOTE

The latest specifications for Moxa’s products can be found at

Overview

The OnCell 3120-LTE-1 is a reliable, secure, LTE gateway with state-of-the-art global LTE coverage. This 4G

cellular gateway provides a reliable connection to your Ethernet network for cellular applications.

To enhance industrial reliability, high-level EMS and wide-temperature support give the OnCell 3120-LTE-1

the highest level of device stability for any rugged environment. In addition to dual-SIM GuaranLink, the

OnCell 3120-LTE-1 supports network redundancy to ensure uninterrupted connectivity.

The OnCell 3120-LTE-1 also comes with a 3-in-1 serial port for serial communication over LTE cellular

networks to enable data exchange with serial/Ethernet devices.

Package Checklist

Before you install the OnCell 3120-LTE-1, make sure that the package contains the following items:

• OnCell 3120-LTE-1

• DIN-rail kit

• Quick installation guide (printed)

• Warranty card

If any of these items is missing or damaged, please contact your customer service representative for

assistance.

come with the standard OnCell 3120-LTE-1 model, but the package contents may vary for

Product Features

• Supports multiple LTE bands

• Universal cellular bands support for GSM/GPRS/HSPA

• Dual cellular operator backup with dual-SIM GuaranLink for reliable cellular connectivity

• VPN secure connection capability with IPsec, GRE, and OpenVPN protocols

• Industrial-grade design:

 Power save mode to reduce power consumption

 -30 to 70°C wide operating temperature (wide temperature support only applies to certain SKUs)

 Rugged hardware design well-suited for hazardous locations (ATEX Zone 2/IECEx)

Product Specifications

https://www.moxa.com.

OnCell 3120-LTE-1 Introduction

1-3

Functional Design

1. SIM card holders (SIM 1/SIM 2)

2. 2x2 MIMO cellular antenna port

3. 10/100 Base T(X) Ethernet port 1 (RJ45)

4. 10/100 Base T(X) Ethernet port 2 (RJ45)

5. USB port

6. DB9 serial port

7. LED display

8. Reset button

9. Console port (reserved for engineering use)

10. Grounding screw (M3)

11. Terminal block (V+, V-, GND)

12. LED display

13. DIN-rail mounting kit

OnCell 3120-LTE-1 Introduction

1-4

LED Indicators

The LEDs on the front panel of the OnCell 3120-LTE-1 provide a quick and easy means of determining the

current operational status and wireless settings.

The following table summarizes how to read the device’s wireless settings from the LED displays. Additional

information is available in the Chapter 3, Basic Settings section.

Type Color State Meaning

SYS

(2 LEDs)

LAN 1/2

(4 LEDs)

Serial

(2 LEDs)

LTE

(1 LED)

Signal

(3 LEDs)

Green Power on: System startup is complete and the system is in

operation.

Off No power is supplied to the OnCell device.

Green 1.Blinking at 1-sec

intervals

2.Blinking at 2-sec

intervals

3. Blinking at 0.5-

sec intervals

4. Blinking at 5-sec

intervals

Red 1. Steady On

2. Blinking at 1-sec

intervals

Green 10/100 Mbps Ethernet mode.

Off Port is not active.

Green Transmitting or receiving data.

Off Port is not active.

Green LTE is connected.

Green Blinking at 0.5-sec

intervals

Off No cellular connection.

Green

1. The OnCell device has been located by the Wireless

Search Utility.

2. The ABC-02-USB device connected to OnCell device has

been detected.

3. Importing or exporting files from/to the ABC-02-USB

device.

4. The OnCell device is in power saving mode.

1. System error or failure to get an IP address for the

device.

2. Load/save to the ABC-02-USB device failed.

UMTS/HSPA/GSM/GPRS/EDGE is connected.

Signal

Strength*

1-2 0 < SNR ≤

3-4 12 < SNR ≤

5-6 22 < SNR ≤

* Each signal LED is equivalent to a signal strength of 2 levels.

Cellular

RSSI

RSSI Range

(dBm)

113 < RSSI ≤ -89 Marginal-Ok

-89 < RSSI ≤ -73 Ok - Good

-73 < RSSI ≤ -51 Excellent

Comment

Beeper

The beeper emits two short beeps when the system is ready.

OnCell 3120-LTE-1 Introduction

1-5

ATTENTION

•

Reset Button

The RESET button is located on the bottom panel of the OnCell 3120-LTE-1. You can reboot the OnCell

3120-LTE-1 or reset it to factory default settings by pressing the RESET button with a pointed object such

as an unfolded paper clip.

• System reboot: Hold the RESET button down for under 5 seconds and then release.

• Reset to factory default: Hold the RESET button down for over 5 seconds until the SYS LED turns solid

red. Release the button to reset the OnCell 3120-LTE-1.

The OnCell 3120-LTE-1 is NOT a portable mobile device and should be located at least 20 cm away from

the human body.

The OnCell 3120-LTE-1 is NOT designed for the general public. A well-trained technician should be

enlisted to ensure safe deployment of OnCell 3120-LTE-1 units, and to establish a wireless network.



2. Getting Started

This chapter explains how to install Moxa’s OnCell 3120-LTE-1 for the first time, and quickly set up your

wireless network and test whether the connection is running well. The Configuration Menu Overview in

Chapter 3 provides a convenient means of determining which functions you need to use.

The following topics are covered in this chapter:

First—time Installation and Configuration

 Step 1: Install a SIM Card

 Step 2: Turn On the OnCell 3120-LTE-1

 Step 3: Connect the OnCell 3120-LTE-1 to a Computer

 Step 4: Configure an IP Address for the Computer

 Step 5: Access the Web Console

 Step 6: Establish a Cellular Connection

 Step 7: Verify the Cellular Connection

OnCell 3120-LTE-1 Getting Started

2-2

The SIM card slots are inside the

’s

housing. To install a SIM card

the

NOTE

In the OnCell

reset the OnCell

192.168.127.25

First—time Installation and Configuration

Before installing the OnCell 3120-LTE-1, make sure that all items in the package checklist are in the box. In

addition, you will need access to a notebook computer or PC equipped with an Ethernet port. The OnCell

3120-LTE-1 has a default IP address that you must use when connecting to the device for the first time.

Step 1: Install a SIM Card

Insert one or two 4G SIM cards into the SIM slots located on the bottom of the OnCell 3120-LTE-1.

OnCell 3120-LTE-1

in one of the slots, do

following:

1. Turn off the OnCell 3120-LTE-1.

2. Remove the screw on the SIM card slot cover.

3. Install a SIM card into the SIM card slot.

a. For SIM 1, orient the card such that the gold

contacts are facing down and the cut-off

edge is to the left.

b. For SIM 2, orient the card such that the gold

contacts are facing up and the cut-off edge

to the right.

4. Put back the screw on the SIM card slot cover

and secure the cover by tightening the screw.

Step 2: Turn On the OnCell 3120-LTE-1

Turn on the OnCell 3120-LTE-1 by connecting the power terminal block to a DC power source.

Step 3: Connect the OnCell 3120-LTE-1 to a Computer

Since the OnCell 3120-LTE-1 supports MDI/MDI-X autosensing, you can use either a straight-through cable

or crossover cable to connect the OnCell 3120-LTE-1 to a computer. When a connection is established, the

LED indicator on the OnCell 3120-LTE-1's LAN port lights up.

Step 4: Configure an IP Address for the Computer

You must set an IP address for the computer so that it is on the same subnet as the OnCell 3120-LTE-1.

Since the OnCell 3120-LTE-1’s default IP address is 192.168.127.254 and the subnet mask is

255.255.255.0, you should set the IP address of the computer to 192.168.127.xxx.

3120-LTE-1, you can select Maintenance > Load Factory Default and click Submit to

3120-LTE-1 to the factory default settings, which will reset the IP address to

OnCell 3120-LTE-1 Getting Started

2-3

NOTE

Default user name and password:

For security reasons, we strongly recommend changing the default password

To do so, select

the password.

NOTE

After you click

e effective immediately and the

web page will

Step 5: Access the Web Console

To access the OnCell 3120-LTE-1 web console:

1. Open a web browser and enter http://192.168.127.254 in the address field.

User Name: admin

Password: moxa

to ensure higher level security.

Maintenance > Change Password, and then follow the on-screen instructions to change

Apply to apply the password change, the new password will b

be refreshed. This is indicated by the text, (Updated) that appears next to the page header:

OnCell 3120-LTE-1 Getting Started

2-4

Step 6: Establish a Cellular Connection

After installing the SIM card, obtain the SIM card PIN and APN (Access Point Name) information from your

service provider and configure the cellular WAN settings.

To configure the cellular WAN settings and establish a cellular connection:

1. Log in to the web console.

2. Go to Cellular Settings > Cellular WAN Settings and enter the SIM card PIN and APN values.

3. Restart the OnCell 3120-LTE-1.

The OnCell 3120-LTE-1 automatically establishes a cellular connection to the service provider after it

restarts.

Step 7: Verify the Cellular Connection

You can use one of the following methods to verify the cellular connection:

1. Check the LED display.

Check the LTE LEDs on the front panel.

If the LTE LEDs are steady, it means that the OnCell is connected to the 4G LTE network. If the LTE LEDs

are blinking, it means the OnCell is only connected to the 3G network.

If the LTE LEDs are not lit, it means that a SIM card is not installed or not detected, or the SIM card has

not established a 3G/4G data communication link.

Check the LTE signal strength LEDs to see the current signal strength level. If the LTE signal strength

LEDs are not lit, this indicates that the OnCell has not established a data service. Make sure that you

enter the correct APN information in the web console.

2. Check the Overview page in the web console.

address, and Cellular Mode fields to identify any connection problems.

For Cellular RSSI (Received Signal Strength Indication), make sure that the value is above 12 in order to

maintain a stable connection.

If the Cellular WAN IP address is not available but the Cellular RSSI is more than 12, make sure that the

APN configuration is correct. The service provider might assign a private WAN IP address, which is not

accessible externally.

3. Test the cellular network access on your computer.

Users with public SIM cards (instead of SIM cards with MDVPN service enabled) can test the connection

to the Internet on your computer (assuming that your computer is connected to an Ethernet port on the

OnCell 3120-LTE-1).

An example of the configuration settings on the computer is given below:

• Laptop IP Address: 192.168.127.10 (on the same subnet as the OnCell gateway)

• Laptop Subnet Mask: 255.255.255.0 (on the same subnet as the OnCell gateway)

• Laptop Default Gateway: 192.168.127.254 (the OnCell gateway IP address)

• Laptop Primary DNS Server: 8.8.8.8 (test with Google's public DNS server)

• Laptop Primary DNS Server: 8.8.4.4 (test with Google's public DNS server)

After the configuration process is complete, your computer will be able to access the Internet.

For information on testing the connection with a DHCP server, refer to Chapter 3, Advanced Settings, DHCP

Server.



3. Web Console Configuration

This chapter describes the web console that you can use to configure your OnCell 3120-LTE-1 and set up a

wireless network. The following topics are covered in this chapter:

Accessing the Web Console

 Configuration Menu Overview

Overview

General Setup

 System Information Settings

 Interface On/Off

 Network Settings

 System Time

Operation Mode

 Device Control Applications

 Socket Applications

Cellular Settings

 Cellular WAN Settings

 GuaranLink

 Auto IP Report Settings

 OnCell Central Manager Settings

Advanced Settings

 DHCP Server

 DDNS

 Packet Filters

 Port Forwarding Function

 SNMP Agent

VPN

 IPsec

 OpenVPN

Scheduling and Power Management

Serial Port Settings

Logs and Notification

 System Log

 Syslog

 Email Notifications

 Trap

 SMS

Status

 Serial

 VPN

 DNS Status

 SIM Status

 DHCP Client List

 System Log

 LAN Status

 System Status

 Network Status

Maintenance

 Console Settings

 Ping Command

 Firmware Upgrade

 Configuration Import & Export

 Load Factory Default

 Account Settings

 Change Password

 Locate Device

 Miscellaneous Settings

 Troubleshooting

 Manual SMS

 Remote SMS Control

Saving the Configuration

Restart

Logout

OnCell 3120-LTE-1 Web Console Configuration

3-2

NOTE

To use the OnCell

same LAN as the OnCell

are

on the same logical subnet.

The default IP address of an OnCell

NOTE

info

XX, where XX is the country code. The country code indicates the OnCell

bandwidth that it uses. The figures shown in this document

that is displayed for your OnCell

Accessing the Web Console

Moxa OnCell 3120-LTE-1’s web interface provides a convenient way to modify the configuration settings and

access the built-in monitoring and network administration functions. The recommended web browser is

Microsoft

Internet Explorer 7.0 and above with JVM (Java Virtual Machine) installed.

To access the OnCell 3120-LTE-1’s web-based console management interface, do the following

1. Open your web browser and type the OnCell 3120-LTE-1’s IP address in the address field; then, press

Enter.

2. In the login page, enter the Username and Password (the default username is “admin” and password

is “moxa”) and click Login.

It may take a few seconds for the web page to load on your computer.

3120-LTE-1’s management and monitoring functions from a PC host connected to the

3120-LTE-1, you must make sure that the PC host and the OnCell 3120-LTE-1

3120-LTE-1 is 192.168.127.254.

The model name of your OnCell 3120-LTE-1 is shown on the title bar of the web page. You can use this

rmation to identify multiple OnCell 3120-LTE-1 units. The model name is shown as OnCell 3120-LTE-1-

3120-LTE-1 version and the

use an OnCell 3120-LTE-1-EU. The model name

3120-LTE-1 may be different from the one shown in this manual.

OnCell 3120-LTE-1 Web Console Configuration

3-3

If an incorrect username or password is entered, a warning message is displayed. The system will lock

the user account based on the settings configured in Maintenance

retry count is 5 times and the default lockout time is 600 seconds. Once an account is locked, the user

will have to wait out the duration of the lockout period before retrying.

For additional details, see Account Settings under Maintenance.

 Account Settings. The default

3. Use the navigation panel on the left to access the configuration pages.

In the following sections we will describe each OnCell 3120-LTE-1 management function in detail, starting

with an overview of the links in the navigation panel.

Configuration Menu Overview

Quick overview of the OnCell device status

Basic settings for administering the OnCell and interface

management

Serial port’s operation mode and connection settings

Essential settings for establishing a cellular network,

using GuaranLink and OnCell Central Manager

OnCell 3120-LTE-1 Web Console Configuration

3-4

Advanced features to support additional network

management functions and secure wired and wireless

communication.

Note: These advanced functions are optional.

Additional features to support serial operation mode such

as Real COM, Reverse Real COM, and RFC2217.

Application-oriented device management functions to set

up events, traps, and responses via email and SNMP

notification.

Note: These functions are all optional.

OnCell 3120-LTE-1 Web Console Configuration

3-5

diagnosing network issues

Current status information for monitoring wired/wireless

network performance, advanced services, and device

management functions

Functions for maintaining the OnCell 3120-LTE-1 and for

On-demand functions to support web console

management

OnCell 3120-LTE-1 Web Console Configuration

3-6

Overview

The Overview page provides a summary of the OnCell 3120-LTE-1’s current status. The information is

categorized into System Information, Device Information, and Cellular Information.

General Setup

The General Setup group includes the most commonly used settings required by administrators to maintain

and control the OnCell 3120-LTE-1.

System Information Settings

The System Info items, especially Device name and Device description, are displayed and included on

the Overview page, in SNMP information, and in alarm emails. Setting System Info items makes it easier

to identify the different OnCell 3120-LTE-1 units connected to your network.

Field Description Default setting

Device name Enter a descriptive name (up to 31 characters).

You can also include information that specifies the role or

application of the OnCell 3120-LTE-1 unit.

Device

location

Specify the location (up to 31 characters) of the OnCell

3120-LTE-1

OnCell 3120-LTE-1_[serial

no]

N/A (Not applicable)

OnCell 3120-LTE-1 Web Console Configuration

3-7

authentication

ATTENTION

Disabling the cellular WAN interface will disconnect access to remote cellular devices connected through

the cellular WAN.

Primary/Secondary

Field Description Default setting

Device

description

Device

contact

information

Message

failure

message

Enter a description (up to 31 characters) for the OnCell

3120-LTE-1

Enter the contact information (up to 31 characters) of the

person responsible for maintaining this OnCell 3120-LTE-1

Enter the message (up to 31 characters) to display to the

user who logs in into this OnCell 3120-LTE-1.

Enter the message (up to 31 characters) that is displayed

to the user when the login authentication fails.

N/A

Blank

Invalid username or

password

Interface On/Off

Field Description Default setting

LAN Provides the capability to enable/disable the LAN interface Enable

Cellular WAN Provides the capability to enable/disable the cellular WAN interface. Enable

Network Settings

You can use the Network Settings page to configure TCP/IP settings for the OnCell 3120-LTE-1.

Field Description Default setting

IP address Enter the unique IP address of the OnCell 3120-LTE-1. 192.168.127.254

Subnet mask Enter the subnet mask to specify the type of network to which

the OnCell 3120-LTE-1 is connected.

Enter the IP address of the primary or secondary DNS server.

DNS server

After you specify a DNS server for a website, you can access the

website by entering its URL instead of the IP address.

255.255.255.0

N/A

OnCell 3120-LTE-1 Web Console Configuration

3-8

NOTE

The OnCell

the

especially when the network does not have an Internet connection for

is no NTP server on the LAN.

System Time

You can synchronize the system time on the OnCell 3120-LTE-1 based on an NTP (Network Time Protocol)

server or user-specified date and time information. The OnCell 3120-LTE-1 includes the system time in

system logs.

Current local time for the OnCell 3120-LTE-1 after the initial setup or a long-term shutdown,

Field Description Default setting

Current local

time

Time zone Select a time zone from the drop-down list.

Daylight

saving time

Time server

1/2

Time sync

interval

3120-LTE-1 includes a built-in real time clock (RTC). We strongly recommend that you update

accessing the NTP server or if there

The fields indicate the current system time on the OnCell 3120-LTE-

Enter the date and time in the format yyyy/mm/dd hh:mm:ss

To make the changes take effect, click Set Time. An “Updated” text

appears to indicate that the change is complete.

Note: Set the time zone before you configure the current local time.

The default option is GMT (Greenwich Mean Time).

Note: Changing the time zone automatically changes the Current

local time. We strongly recommend that you set the time zone

before you set the Current local time.

Select Enable to activate daylight saving time (DST) or summer

time.

When Daylight saving time is enabled, the following fields appear:

• Starts at: The date that daylight saving time begins.

• Stops at: The date that daylight saving time ends.

• Time offset: Indicates how many hours forward the clock

should be advanced.

Enter the IP address or the domain name of the primary or

secondary NTP server.

Specify how many seconds (600 to 9999) the OnCell 3120-LTE-1

must wait before requesting updates from the NTP server.

N/A

time.nist.gov

600

OnCell 3120-LTE-1 Web Console Configuration

3-9

Operation Mode

In this section, we describe the various operation modes of the OnCell 3120-LTE-1. The OnCell 3120-LTE-1

modes are grouped by type of application, such as Device Control. The options include an operation mode

that relies on a driver installed on the host computer, and operation modes that rely on TCP/IP socket

programming concepts.

The OnCell 3120-LTE-1 can enable cellular network-in a serial device. OnCell 3120-LTE-1 device is assigned

an IP address by the Internet service provider (ISP). In addition, the OnCell 3120-LTE-1 can enable cellular

connectivity in Ethernet devices on the local Ethernet. See the OnCell Central Manager user’s manual for

details.

The OnCell 3120-LTE-1 enables traditional serial (RS-232/422/485) devices for transmitting data over the

cellular network. The IP gateway can bi-directionally translate data between the serial and IP formats. With

the OnCell 3120-LTE-1, your computer will be able to access, manage, and configure remote facilities and

equipment over the cellular network from anywhere in the world.

Traditional SCADA and data collection systems rely on serial ports to collect data from various kinds of

instruments. Since the OnCell 3120-LTE-1 network-enables instruments equipped with an RS-232, RS-422,

or RS-485 communication port, your SCADA and data collection systems will be able to access all

instruments connected to a standard TCP/IP network, regardless of whether the devices are used locally or

at a remote site.

The OnCell 3120-LTE-1 is an external IP-based network device that allows you to expand a serial port for a

host computer on demand. As long as your host computer supports the TCP/IP protocol, you will not be

limited by the host computer’s bus limitation (such as ISA or PCI), nor will you be limited if you do not have

drivers for various operating systems.

In addition to providing socket access, the OnCell 3120-LTE-1 also comes with a Real COM driver and a

Reverse Real COM driver that transmits all serial signals intact. This enables you to preserve your existing

COM-based software without needing to invest in additional software.

Three different socket modes are available: TCP Server, TCP Client, and UDP. The main difference between

the TCP and UDP protocols is that TCP guarantees delivery of data by requiring the recipient to send an

acknowledgement to the sender. UDP does not require this type of verification, making it possible to offer

faster delivery. UDP also allows you to unicast data to one IP, or multicast the data to a group of IP

addresses.

The serial port of the OnCell 3120-LTE-1 can be configured to different operation modes for different

applications. After selecting the application and mode, click Add and the selected mode will be shown in the

“Overview” below.

OnCell 3120-LTE-1 Web Console Configuration

3-10

NOTE

You can download the Moxa Drivers for operation modes from

File Name: Windows Driver Manager

NOTE

In order to avoid a TCP port conflict with other applications, please aware of that data port used on the

driver is 950 a

You can click on Edit to continue with the detailed configuration of the selected operation mode, or click on

Remove to disable the serial port.

Device Control Applications

The OnCell 3120-LTE-1 offers the following modes for device control applications: Real COM, Reverse Real

COM, and RFC2217 modes.

Real COM Mode

In Real COM mode, the bundled drivers are able to establish a transparent connection between a host and a

serial device by mapping the serial port on the OnCell 3120-LTE-1 to a local COM port on the host

computer. Real COM mode supports up to 2 simultaneous connections that enable 2 hosts to simultaneously

collect data from the same serial device.

One of the major conveniences of using Real COM mode is that it allows you to use software that was

written for pure serial communication applications. The OnCell COM driver intercepts data sent to the host’s

COM port, packs it into a TCP/IP packet, and then redirects it through the host’s Ethernet card to the

Internet. At the other end of the connection, the OnCell 3120-LTE-1 accepts the IP frame from the cellular

network, unpacks the TCP/IP packet, and then transparently sends the data through the serial port to the

attached serial device.

nd the command port is 966.

www.moxa.com.

OnCell 3120-LTE-1 Web Console Configuration

3-11

ATTENTION

When Max connection is greater than 1, the

2 hosts are allowed access to the port at the same time). When using a multi

OnCell 3120

web console, and all

hosts connected to the port must use identical serial settings. If one of the hosts opens the COM port with

different serial settings, data will not be transmitted properly.

Setting Description Factory Default

Secure connection If you select Enable, data sent through the Ethernet will be

encrypted with SSL.

Max number of

connections

This field is used if you need to receive data from different

hosts simultaneously. When set to 1, only one specific host

can access this port of the OnCell 3120-LTE-1, and the OnCell

COM driver on that host will have full control over the port.

When set to 2, the specified number of hosts’ OnCell COM

driver may open this port at the same time. When multiple

hosts on the OnCell COM driver open the port at the same

time, the COM driver only provides a pure data tunnel --no

control ability unless “Allow Driver Control” is enabled. The

serial port parameters will use firmware settings instead of

depending on your application program (AP).

Application software that is based on the COM driver will

receive a driver response of “success” when the software

uses any of the Win32 API functions. The firmware will only

send data back to the driver on the host.

Data will be sent first-in-first-out when data comes into the

OnCell 3120-LTE-1 from the Cellular or Ethernet interface.

Disable

-LTE-1 will use the serial communication parameters as defined here in the

OnCell 3120-LTE-1 will use a multi-connection application (i.e.,

-connection application, the

OnCell 3120-LTE-1 Web Console Configuration

3-12

1 will listen for another TCP connection from

connection gets disconnected. Use “always high” if you do not

specified, data in the buffer will be sent as soon it reaches the

characters act as the delimiter to control when data should be

Setting Description Factory Default

Ignore unresponsive

hosts

Windows Driver

control commands

TCP alive check

interval

When a connection

is down

This option determines how the port will proceed if multiple

hosts are connected and one or more host(s) stops

responding when the port is transmitting data. If you select

Disable, the port will wait until the data has been

transmitted successfully to all hosts before transmitting the

next group of data. If you select Enable, the port will ignore

the host that stopped responding and continue data

transmission to the other hosts.

This option determines how the port will proceed if driver

control commands are received from multiple hosts that are

connected to the port. If Disable is selected, driver control

commands will be ignored. If Enable is selected, control

commands will be accepted, with the most recent command

received taking precedence.

This field specifies how long the OnCell 3120-LTE-1 will wait

for a response to “keep alive” packets before closing the TCP

connection. The OnCell 3120-LTE-1 checks the connection

status by sending periodic “keep alive” packets. If the remote

host does not respond to the packet within the time specified

in this field, the OnCell 3120-LTE-1 will force the existing TCP

connection to close. For socket and device control modes, the

OnCell 3120-LTE-

another host after closing the connection. If TCP alive check

time is set to 0, the TCP connection will remain open and will

not send any “keep alive” packets.

You can configure what happens to the RTS and DTR signals

when the Cellular or Ethernet connection goes down. For

some applications, serial devices need to know the Cellular or

Ethernet link status through RTS or DTR signals sent through

the serial port. Use “low” if you want the RTS and DTR signal

to change their state to low when the Cellular or Ethernet

Disable

7 min

Always High

want the cellular or Ethernet connection status to affect the

RTS or DTR signals.

Packing length The Packing length setting refers to the maximum amount

of data that is allowed to accumulate in the serial port buffer

before sending. At the default of 0 for packet length, no

maximum amount is specified and data in the buffer will be

sent as specified by the delimiter settings or when the buffer

is full. When a packet length between 1 and 1024 bytes is

specified length.

Delimiter 1

Delimiter 2

When Delimiter 1 is enabled, the serial port will queue the

data in the buffer and send the data to the Cellular or

Ethernet port when a specific character, entered in hex

format, is received. A second delimiter character may be

enabled and specified in the Delimiter 2 field, so that both

sent.

OnCell 3120-LTE-1 Web Console Configuration

3-13

ATTENTION

In order to enable a delimiter, packet length must be set to 0.

conjunction with

delimiter is enabled, the OnCell 3120

exceeds 1 KB.

Setting Description Factory Default

Delimiter process The Delimiter process field determines how the data is

Force transmit This parameter defines how large a gap in serial

Delimiter 1 and never on its own; otherwise there may be data errors. Even when a

-LTE-1 will still pack and send the data when the amount of data

handled when a delimiter is received. Delimiter 1 must be

enabled for this field to have effect. If Delimiters 1 and 2 are

both enabled, both characters must be received for the

delimiter process to take place.

• Delimiter: Data in the buffer will be transmitted when the

delimiter is received.

• Delimiter + 1: Data in the buffer will be transmitted after

1 additional byte is received following the delimiter.

• Delimiter + 2: Data in the buffer will be transmitted after

2 additional bytes are received following the delimiter.

• Strip Delimiter: Data in the buffer is first stripped of the

delimiter before being transmitted.

communication the OnCell 3120-LTE-1 will allow before

packing the serial data in its internal buffer for network

transmission.

As data is received through the serial port, it is stored by the

OnCell 3120-LTE-1 in the internal buffer. The OnCell 3120-

LTE-1 transmits the data stored in the buffer via TCP/IP when

the internal buffer is full or as specified by the force-transmit

time.

When this field is set to 0, the force transmit time is disabled

and transmission is determined solely by the data in the

internal buffer. When the force transmit time is set to a value

from 1 to 65535, the TCP/IP protocol software will pack the

serial data received for transmission after the gap in serial

communication exceeds the specified force transmit time.

The optimal force-transmit time setting depends on your

application. However, it must be set to a value that is more

than one-character interval within the specified baudrate. For

example, assume that the serial port is set to 1200 bps, 8

data bits, 1 stop bit, and no parity. In this case, the total

number of bits needed to send a character is 10 bits, and the

time required to transfer one character is (10 (bits) / 1200

(bits/s)) × 1000 (ms/s) = 8.3 ms. Therefore, you should

set the force transmit time to be greater than 8.3 ms, so in

this case, it must be greater than or equal to 10 ms.

If it is necessary to send a series of characters in the same

packet, the serial device will need to send that series of

characters within the specified force transmit time, and the

total length of data must be less than or equal to the OnCell

3120-LTE-1’s internal buffer size (1 KB per port).

Delimiter 2 should only be enabled in

Delimiter

0 ms

OnCell 3120-LTE-1 Web Console Configuration

3-14

Types of Real COM Connection

This section illustrates the types of Real COM connections you can use, depending on the service you obtain

from your local cellular service provider.

Fixed Public IP for OnCell

If your cellular service provider offers a fixed public IP address after you connect to the cellular network,

you can access the OnCell 3120-LTE-1 via a host PC using either a private IP or public IP.

Utilize Auto IP report

If your cellular service provider offers a dynamic public IP address after you connect to the cellular network,

you can access the OnCell 3120-LTE-1 via a host PC using a fixed public IP. Since the IP address of the

OnCell 3120-LTE-1 is changed each time it is connected to the cellular network, the host IP can be notified

of the change by an Auto IP Report message sent from the OnCell 3120-LTE-1. Please refer to Auto IP

Report Settings to see the format of the Auto IP Report Protocol.

Domain name with DDNS

If your cellular service provider offers a public IP address after you connect to the cellular network, you can

also access the OnCell 3120-LTE-1 using the domain name. To do this, you will need to register with a

DDNS service provider and then enable the DDNS function in the OnCell 3120-LTE-1. Please refer to

Appendix B for more information.

OnCell 3120-LTE-1 Web Console Configuration

3-15

1 will listen for another TCP connection from

specified, data in the buffer will be sent as soon it reaches the

RFC 2217 Mode

RFC-2217 mode is similar to Real COM mode in that a driver is used to establish a transparent connection

between a host computer and a serial device by mapping the serial port on the OnCell 3120-LTE-1 to a local

COM port on the host computer. RFC2217 defines general COM port control options based on the Telnet

protocol. Third party drivers supporting RFC-2217 are widely available on the Internet and can be used to

implement virtual COM mapping to your OnCell 3120-LTE-1’s serial port.

Setting Description Factory Default

Secure connection If you select Enable, data sent through the Ethernet will be

encrypted with SSL.

TCP port This is the TCP port number assignment for the serial port on

the OnCell 3120-LTE-1. It is the port number that the serial

port uses to listen to connections, and that other devices

must use to contact the serial port. To avoid conflicts with

well-known TCP ports, the default is set to 4001.

TCP alive check

interval

Packing length The Packing length setting refers to the maximum amount

This field specifies how long the OnCell 3120-LTE-1 will wait

for a response to “keep alive” packets before closing the TCP

connection. The OnCell 3120-LTE-1 checks connection status

by sending periodic “keep alive” packets. If the remote host

does not respond to the packet within the time specified in

this field, the OnCell 3120-LTE-1 will force the existing TCP

connection to close. For socket and device control modes, the

OnCell 3120-LTE-

another host after closing the connection. If TCP alive check

time is set to 0, the TCP connection will remain open and will

not send any “keep alive” packets.

of data that is allowed to accumulate in the serial port buffer

before sending. At the default of 0 for packet length, no

maximum amount is specified and data in the buffer will be

sent as specified by the delimiter settings or when the buffer

is full. When a packet length between 1 and 1024 bytes is

Disable

4001

7 min

specified length.

OnCell 3120-LTE-1 Web Console Configuration

3-16

characters act as the delimiter to control when data should be

ATTENTION

In order to enable a delimiter, the packet length must be set to 0.

conjunction with

the OnCell 3120

Setting Description Factory Default

Delimiter 1

Delimiter 2

When Delimiter 1 is enabled, the serial port will queue the

data in the buffer and send the data to the Cellular or

Ethernet port when a specific character, entered in hex

format, is received. A second delimiter character may be

enabled and specified in the Delimiter 2 field, so that both

sent.

Disabled

Setting Description Factory Default

Delimiter process The Delimiter process field determines how the data is

Force transmit This parameter defines how large a gap in serial

Delimiter 1 and never on its own to avoid data errors. Even when a delimiter is enabled,

-LTE-1 will still pack and send the data when the amount of data exceeds 1 KB.

handled when a delimiter is received. Delimiter 1 must be

enabled for this field to have effect. If Delimiters 1 and 2 are

both enabled, both characters must be received for the

delimiter process to take place.

• Delimiter: Data in the buffer will be transmitted when the

delimiter is received.

• Delimiter + 1: Data in the buffer will be transmitted after

1 additional byte is received following the delimiter.

• Delimiter + 2: Data in the buffer will be transmitted after

2 additional bytes are received following the delimiter.

• Strip Delimiter: Data in the buffer is first stripped of the

delimiter before being transmitted.

communication the OnCell 3120-LTE-1 will allow before

packing the serial data in its internal buffer for network

transmission.

As data is received through the serial port, it is stored by the

OnCell 3120-LTE-1 in the internal buffer. The OnCell 3120-

LTE-1 transmits the data stored in the buffer via TCP/IP when

the internal buffer is full or as specified by the force-transmit

time.

When this field is set to 0, the force transmit time is disabled

and transmission is determined solely by the data in the

internal buffer. When the force transmit time is set to a value

from 1 to 65535, the TCP/IP protocol software will pack the

serial data received for transmission after the gap in serial

communication exceeds the specified force transmit time.

The optimal force-transmit time setting depends on your

application. However, it must be set to a value that is more

than one-character interval within the specified baudrate. For

example, assume that the serial port is set to 1200 bps, 8

data bits, 1 stop bit, and no parity. In this case, the total

number of bits needed to send a character is 10 bits, and the

time required to transfer one character is (10 (bits) / 1200

(bits/s)) × 1000 (ms/s) = 8.3 ms. Therefore, you should

Delimiter 2 should only be enabled in

Delimiter

0 ms

OnCell 3120-LTE-1 Web Console Configuration

3-17

NOTE

You can download the Moxa Drivers for operation modes from

File Name: Windows Driver Manager

Setting Description Factory Default

set the force transmit time to be greater than 8.3 ms, so in

this case, it must be greater than or equal to 10 ms.

If it is necessary to send a series of characters in the same

packet, the serial device will need to send that series of

characters within the specified force transmit time, and the

total length of data must be less than or equal to the OnCell

3120-LTE-1’s internal buffer size (1 KB per port).

Reverse Real COM Mode

Reverse Real COM mode uses a mechanism similar to port mapping to enable your remote device that is

using a private IP address to remain accessible to external hosts. When this mode is enabled, the Moxa

driver that comes with the device establishes a transparent connection from the device to the remote host

by mapping the device’s serial port to a local COM port on the remote host. Reverse Real COM mode

supports up to 2 simultaneous connections that enable serial devices to send data to 2 hosts

simultaneously.

www.moxa.com.

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