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Excessive Data Warning for USR Cellular Gateway

Easy solutions to prevent unintended excessive cellular data usage while configuring a USR3510/USR803510 USR Courier® M2M Cellular Gateway.

Length: 13:50 minutes

Understanding Cellular Data Connectivity for M2M

Understanding the Cellular data communication technology differs from legacy dial-up analog connections.

Included are:
Common Misunderstandings 1:05
Making Cellular Work 2:12
Additional Online Documentation 7:37

Length: 8:22 minutes

Activating AT&T Cellular Service with Telit

Demonstration of the paperless sign up and activation process of the self onboarding process with Telit’s IoT Connectivity data service on the AT&T Cellular Network.

Length: 7:57 minutes

Introducing the USR Modemulator™

Learn how USR's Modemulator Expansion Card (USR3516-EMU) makes converting from analog to cellular simple and easy.

Length: 1:30 minutes

Intro to the Modemulator Data Communications System

Video explains what a “Modemulator” is, the target applications, how it works and then shows a demonstration of how to configure the Modemulator with a Windows GUI.

Length: 17:41 minutes

Connect to a GSM cellular network on the USR3510

Learn how to connect a USR3510/USR803510 Cellular Gatewayto a GSM cellular network.

0:30 Requirements
1:35 Attach the Antennas and initial GUI login
2:35 Prevent Excessive Data Usage during Set-up & Firewall configuration
4:50 Configure Gateway for your cellular network
6:45 Verify Connectivity

Length: 8:29 minutes

Connect to a CDMA cellular network on the USR Cellular Gateway USR3510

Learn how to connect a USR3510/USR803510 Cellular Gateway

0:30 Requirements
1:15 Attach the Antennas and initial GUI login
2:05 Prevent Excessive Data Usage during Set-up & Firewall configuration
4:20 Configure Gateway for your cellular network
5:30 Verify Connectivity

Length: 7:06 minutes

USR3510 Introduction to the USR Universe Provisioning Server

Introduction to the USR Universe Provisioning Server for USR3510/USR803510 Cellular Gateway. What is the USR Universe? Why use it or why not to?

Length: 6:37 minutes

USR3510 SIM Card Installation

How to install a SIM Card in the USR3510/USR803510 Cellular Gateway.

Length: 1:32 minutes

USR3510 Radio Firmware Update

Update the Radio firmware on the USR3510 USR Cellular Gateway to include all supported carriers. Step by step instructions and files referenced are available at

Length: 4:50 minutes

USR3500 SIM Card Installation

Quick and simple video showing how to install a SIM card in the USR3500 Cellular Modem

Length: 45 seconds

USR3500 Connect to a GSM cellular network

Learn how to connect a USR3500 Cellular Modem to a GSM cellular network.

0:22 Requirements
1:42 Attach the Antenna and connect the modem to a computer
2:06 Use a terminal application to configure the modem with the CLI
3:30 Verify Connectivity with command at+cgreg
3:45 Troubleshooting - Resolve cellular registration issues
4:26 Enter the APN at$cgdcont=1,"APN" (no username or password)
6:22 Verify Connectivity with commands AT$IP or AT$PING="address"
8:20 Finish

Length: 9:01 minutes

Modemulator Expansion Card Installation

How to install a USR Modemulator Expansion Card (USR3516-EMU) into the USR3510/USR803510 Courier® M2M Cellular Gateway and upgrade the firmware to make the unit a USR3520/USR803520 Modemulator.

Length: 6:27 minutes

Modemulator Instructional Video #1 - Using Manual Answer or Auto-Answer

How to configure the USR3516-EMU/USR3520 Cellular Gateway Modemulator to manually answer or to auto answer incoming calls

0:21 Manual Answer Review
0:55 Manual Answer Configuration
2:15 Auto Answer Review
2:44 Auto Answer Configuration

Length: 4:56 minutes

Modemulator Instructional Video #2 - Dialing Phone Numbers or IP Addresses

How to use the dial command or direct dial command to make a cellular connection on the USR3516-EMU/USR3520 Cellular Gateway Modemulator

0:40 Overview
1:10 Using the Dial Command- Setting up the Dialing Directory
2:30 Using the Dial Command - Dialing simulated analog phone numbers
3:30 Using the Dial Command - Dialing real analog phone numbers
4:08 Dialing an IP Address - Using the Direct Dial Command
4:50 Dialing an IP Address - Application
5:15 Summary

Length: 6:43 minutes

Modemulator Instructional Video #3 - Dial Security

Modemulator Instructional Video #3 - How to enable and use the Modemulator's dial security features to prevent unauthorized connections.

0:38 Dial Security Overview
1:51 Caller ID Screening
2:32 Enable Caller ID Screening
4:30 Password Prompting
5:40 Enable Password Prompting
7:00 Using Dialback Security
8:34 Enable Dialback Security
9:55 Summary

Length: 12:08 minutes

Modemulator Instructional Video #4 - Leased Line

Modemulator Instructional Video #4 - How to enable and use the Modemulator's lease line mode so that analog modems used in leased line applications can be replaced by Modemulators.

0:40 Review of Analog Leased Line Operation
1:30 Modemulator Leased Line Operation (always on point to point connection between serial applications)
2:21 Enabling Leased Line Mode
6:53 Summary

Length: 7:51 minutes

Modemulator Instructional Video #5 - Single-ended Operation

How to enable and use the Modemulator's single ended mode for legacy applications that need to connect and interoperate with any TCPIP server or client.

0:44 Review of Normal Modemulator Operation
1:48 Modemulator Single-ended Operation
3:48 Enabling Single-Ended Mode
5:40 Summary

Length: 6:34 minutes

Modemulator Instructional Video #6 - Remote Command Mode

How to manage a remote Modemulator using Remote Command Mode.

0:41 Overview of Remote Command Mode
1:04 Enabling Remote Command Mode
1:49 Using Remote Command Mode
2:53 Exiting a Remote Command Session
3:50 Remote Command Mode with Dial Security
5:54 Update Firmware of a Remote Modemulator
6:39 Summary

Length: 7:21 minutes

Modemulator Instructional Video #7 – Modemulator Firmware Upgrade

Video explains and demonstrates how to upgrade Modemulator to latest firmware.

0:48 Requirements & Setup
2:04 Checking the Modemulator's firmware version
3:00 Getting new firmware (
4:53 Loading the new firmware into the Modemulator
6:28 If the Modemulator remains in boot mode
7:13 Remote firmware upgrade
8:02 Summary

Length: 8:32 minutes

Modemulator GUI Overview

Full overview of the USR5616-EMU/USR3520 USR Modemulator Cellular Gateway Graphical User Interface.

0:26 What is the Modemulator GUI Application?
1:51 Requirements
2:33 Tour of the Configuration Dashboard
10:35 Tour of the Phone Directory
12:54 Tour of the Terminal
15:16 Summary

Length: 15:51 minutes

Referenced Materials:

Console Server and Power Switch Hybrids

Courier Console Server & Power Switch Hybrid Overview and Demo

An overview and demo of the USR Courier Console Server & Power Switch Hybrid. This video shows a closeup of the product's 4 console ports, 2 power ports, and a demonstration of the command line interface as a user connects to and reboots a connected router. For more information visit

Length: 3:40 minutes

Network Taps

USR Copper and Fiber TAPs Overview

Netwowrk TAPs are a critical part of highest performing networks today. Gain visibility to make your network efficient, secure and compliant. Learn more at

Length: 1:20 minutes

USB 3.0

USB 3.0 PCIe Installation

Step by step walk through of how to install the USR8402 USR USB 3.0 PCIe Adapter in a desktop computer.

Length: 3:00 minutes