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Blog Details
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Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

2026-06-23

The Hidden Hazards of Mixed IT & OT Network in Manufacturing Production Lines


In traditional factory network deployment, most small and medium-sized manufacturing plants adopt a single-network architecture to connect office computers, production PLCs, workshop sensors and monitoring equipment together. This simplified wiring scheme cuts early deployment costs, yet it brings persistent network operation risks. When data transmission surges on production lines, massive broadcast packets generated by automation equipment will spread across the entire network segment. These broadcast storms occupy the bandwidth of office terminal equipment, delay the signal transmission of workshop controllers, and even trigger intermittent communication disconnection between MES systems and production machinery. For factory network administrators, there is no efficient way to separate office internet access traffic and industrial control data traffic under single-port host equipment. Adding extra enterprise-level switches increases cabinet space occupation and overall project investment, while low-cost USB external Ethernet adapters cannot provide stable physical isolation, failing to meet industrial network stability standards.

Typical Application Scenarios of Coexisting IT and OT Dual Networks


This network conflict issue widely exists in discrete manufacturing and process production workshops. Common applicable scenarios include automobile assembly lines, electronic component processing workshops, food automated production lines, and intelligent storage management workshops. In these sites, two independent network demands coexist simultaneously: the IT office network for employee office work, cloud system access and NAS storage data query; the OT control network dedicated to PLC signal transmission, sensor data collection, and real-time production equipment linkage control. Many factories are limited by cabinet installation space and budget, unable to deploy two sets of independent gateway hardware. Single-network equipment cannot distinguish the two types of data streams, resulting in long-term broadcast interference that troubles daily production operation and maintenance.

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

How Dual LAN Fanless Mini Industrial PC Realizes Hardware-Level Network Segmentation


Equipped with Intel Core i5-1235U, Dual LAN and 6 COM Ports, Manufactured by Shenzhen Helor Cloud Computer Co., Ltd. The dual Gigabit LAN ports built into this fanless mini industrial PC provide two independent physical network channels without sharing switching chips, which fundamentally avoids the mutual interference between IT and OT data streams. Users can connect one Realtek Gigabit LAN port to the internal OT industrial control subnet, and the other LAN port to the IT office network that accesses the external internet. The two network segments are completely isolated at the hardware layer, blocking the spread of broadcast storms from the production line to office terminals. As a fanless all-aluminum industrial device, it adapts to the wide temperature and vibration environment of production workshops, supporting continuous operation. It integrates routing and data forwarding functions, replacing the combination of traditional single-board host plus additional switches, saving cabinet installation space and simplifying the overall on-site network infrastructure layout. This hardware isolation scheme complies with industrial network security specifications, eliminates the hidden danger of industrial control equipment being invaded by external office network traffic, and maintains stable and unobstructed data transmission for both office terminals and production automation equipment.

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

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Blog Details
Created with Pixso. Home Created with Pixso. Blog Created with Pixso.

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

The Hidden Hazards of Mixed IT & OT Network in Manufacturing Production Lines


In traditional factory network deployment, most small and medium-sized manufacturing plants adopt a single-network architecture to connect office computers, production PLCs, workshop sensors and monitoring equipment together. This simplified wiring scheme cuts early deployment costs, yet it brings persistent network operation risks. When data transmission surges on production lines, massive broadcast packets generated by automation equipment will spread across the entire network segment. These broadcast storms occupy the bandwidth of office terminal equipment, delay the signal transmission of workshop controllers, and even trigger intermittent communication disconnection between MES systems and production machinery. For factory network administrators, there is no efficient way to separate office internet access traffic and industrial control data traffic under single-port host equipment. Adding extra enterprise-level switches increases cabinet space occupation and overall project investment, while low-cost USB external Ethernet adapters cannot provide stable physical isolation, failing to meet industrial network stability standards.

Typical Application Scenarios of Coexisting IT and OT Dual Networks


This network conflict issue widely exists in discrete manufacturing and process production workshops. Common applicable scenarios include automobile assembly lines, electronic component processing workshops, food automated production lines, and intelligent storage management workshops. In these sites, two independent network demands coexist simultaneously: the IT office network for employee office work, cloud system access and NAS storage data query; the OT control network dedicated to PLC signal transmission, sensor data collection, and real-time production equipment linkage control. Many factories are limited by cabinet installation space and budget, unable to deploy two sets of independent gateway hardware. Single-network equipment cannot distinguish the two types of data streams, resulting in long-term broadcast interference that troubles daily production operation and maintenance.

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network

How Dual LAN Fanless Mini Industrial PC Realizes Hardware-Level Network Segmentation


Equipped with Intel Core i5-1235U, Dual LAN and 6 COM Ports, Manufactured by Shenzhen Helor Cloud Computer Co., Ltd. The dual Gigabit LAN ports built into this fanless mini industrial PC provide two independent physical network channels without sharing switching chips, which fundamentally avoids the mutual interference between IT and OT data streams. Users can connect one Realtek Gigabit LAN port to the internal OT industrial control subnet, and the other LAN port to the IT office network that accesses the external internet. The two network segments are completely isolated at the hardware layer, blocking the spread of broadcast storms from the production line to office terminals. As a fanless all-aluminum industrial device, it adapts to the wide temperature and vibration environment of production workshops, supporting continuous operation. It integrates routing and data forwarding functions, replacing the combination of traditional single-board host plus additional switches, saving cabinet installation space and simplifying the overall on-site network infrastructure layout. This hardware isolation scheme complies with industrial network security specifications, eliminates the hidden danger of industrial control equipment being invaded by external office network traffic, and maintains stable and unobstructed data transmission for both office terminals and production automation equipment.

Dual LAN Fanless Mini PC Enables Hardware Lsolation Between OT Control Network And IT Office Network