Industrial IoT Blog

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An infographic showing the challenge of manually managing a large fleet of IoT devices and how the RCMS platform solves this scalability problem.

What is RCMS? A Deep Dive into IoT Device Management

What is RCMS? A deep dive into the Robustel Cloud Manager Service, a powerful IoT device management platform for monitoring and managing your router fleet....

Robert Liao
An infographic demonstrating how WAN failover to a cellular backup keeps a retail store's POS terminals and Wi-Fi online during a wired internet outage.

What is WAN Failover? A Guide to Unbreakable Internet Connectivity

Learn what WAN failover is and how it provides an automatic internet backup solution. A guide to using cellular for business continuity and preventing downtime....

Robert Liao
An infographic using a postcard vs. armored truck analogy to explain how a VPN encrypts and protects data traveling over the internet.

A Beginner's Guide to VPNs (IPsec, OpenVPN) for Securing Your Industrial Network

A beginner's guide to VPNs for industrial networks. Learn what a VPN is, how it works, and the difference between IPsec and OpenVPN for secure...

Robert Liao
An infographic showing how an industrial router uses both Ethernet and legacy interfaces like serial and DI/DO to bridge the IT and OT worlds.

Connecting Industrial Machines: An Engineer's Guide to Serial Ports (RS485) and DI/DO

A guide to connecting industrial machines. Learn how to use the RS485 serial port and Digital I/O (DI/DO) on an industrial router to connect your...

Robert Liao
A diagram showing how dual SIM failover prevents downtime during a primary carrier outage by automatically switching to a backup network.

How Dual SIM Failover Works: A Deep Dive into Uninterrupted Connectivity

A deep dive into how dual SIM failover works. Learn about the health checks, detection methods, and failback processes that ensure network redundancy. ...

Robert Liao
A comparison showing a messy, panel-mounted control cabinet versus a clean, organized cabinet using DIN-rail mounting for all hardware.

A Guide to DIN-Rail Mounting for Industrial Hardware

Learn what DIN-rail mounting is and why it's the professional standard for industrial hardware. A guide to clean, secure, and efficient control cabinet installation. ...

Robert Liao
An infographic comparing a consumer router in an office to a rugged industrial router in a harsh factory setting, showing each is suited for its specific environment.

Industrial Router 101: A Beginner's Guide to Choosing the Right Device

What is an industrial router and how do you choose one? Our beginner's guide covers the key differences, features, and applications to help you select...

Robert Liao
An infographic comparing consumer IoT, which focuses on convenience, to Industrial IoT (IIoT), which focuses on reliability and ROI for industrial applications.

What is Industrial IoT (IIoT)? A Guide to the IoT for Industry

What is Industrial IoT (IIoT)? Our guide explains how IIoT differs from consumer IoT and how it's revolutionizing manufacturing, energy, and logistics. ...

Robert Liao
An infographic comparing the benign office environment to the harsh industrial environment, showing why an industrial router is necessary.

Why are Industrial Routers So Tough? A Deep Dive into Wide Temperature and EMC

Why are industrial routers so tough? Our guide explains the importance of wide temperature ranges and EMC immunity for reliable operation in harsh environments. ...

Robert Liao
Infographic illustrating the smart energy ecosystem, showing how a central control center connects to various distributed energy assets like wind farms, solar arrays, and EV charging stations via IoT gateways.

The Fusion of IoT and Energy: Powering a Smarter, More Resilient Future

Discover how IoT and energy management are revolutionizing the sector. A guide to smart grids, renewable energy integration, and EV charging solutions. ...

Robert Liao
An infographic comparing a local, on-premise traditional access control system to a centralized, cloud-managed IoT access control system for multiple sites.

A Guide to Access Control IoT Devices: Secure, Scalable, and Remotely Managed

A guide to modern access control IoT devices. Learn how a cloud-based system provides secure, scalable, and remote access control for your business. ...

Robert Liao
An infographic clarifying the difference between a CNC router machine and an industrial router used for network connectivity.

What is a CNC Router? A Guide to the Machine and Its Connectivity

What is a CNC router? Our guide explains the machine itself and, more importantly, how to connect your industrial CNC router to a network for...

Robert Liao
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