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Industrial robots assembling a vehicle on an automated production line inside a modern factory, illustrating smart manufacturing and connected industrial systems.

Industrial Networking: From Modbus to OPC UA in the Age of IIoT

Industrial networking has transformed from serial protocols like Modbus and PROFIBUS to Ethernet-based and IIoT-ready systems such as OPC UA and MQTT. As industries move toward connected, data-driven operations, interoperability, security, and scalability have become essential. Understanding how these protocols evolved reveals how modern networks enable seamless communication between devices, systems, and the cloud.

Single-Pair Ethernet Explained. Benefits and Key Features

Single-pair Ethernet (SPE) has been an absolute game-changer in the world of connectivity. Previously, Ethernet networks relied predominantly on four sets of wires within a cable to transmit data. Using SPE, Ethernet data is transmitted via a single pair of copper cables. This has met the market’s demand for a smaller, lighter, and more cost-effective way to transmit data over Ethernet.

EtherNet/IP, PROFINET, or both?

EtherNet/IP and PROFINET are two protocols that utilize and add value to standard ethernet technology. Speed is often mentioned as a key benefit of PROFINET, while interoperability often goes into the EtherNet/IP column. Yet when it comes to one over the other, it's not so black and white. For product design and development, you may want to hedge your bets and support both.

New: NET232+CC Serial to Ethernet Adapter W/ Cisco RJ45 Console Port

The NET232+CC is a serial to Ethernet device server, especially designed for use with equipment following the Cisco® RJ45 console port pinout. The NET232+CC provides remote access over Ethernet TCP/IP to routers, switches, servers, and other equipment that have a serial RJ45 console port or management port. Any Cisco equipment that uses the Cisco 72-3383-01 (DB-9 to RJ45) Console Cable can use the NET232+CC.

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