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 | What Is a Multi-LAN Industrial PC?A multi-LAN industrial PC integrates multiple Ethernet interfaces into one industrial computing platform. Instead of using one network connection for every function, multiple LAN ports can allow the industrial computer to participate in different network segments or communicate with different systems. A typical architecture can be represented as: Industrial Equipment → LAN 1 Camera / Vision System → LAN 2 Enterprise Network → LAN 3 Internet / WAN → LAN 4 The actual network architecture depends on the software, application and selected hardware configuration. |
Industrial networking requirements are different from those of conventional office computers.
A single industrial computer may need to:
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YANLING's multi-LAN architecture is designed around these requirements. Selected platforms provide 4-LAN and 6-LAN configurations, while specialized edge networking platforms can provide dual 10GbE SFP+ connectivity.
YANLING uses Intel I226-V network controllers on selected industrial computer platforms for 2.5GbE connectivity.
2.5GbE provides higher Ethernet bandwidth than conventional Gigabit Ethernet and is used on YANLING platforms designed for higher-speed networking requirements.
A current YANLING industrial platform, for example, combines Intel 12th Gen processing with three Intel I226-V 2.5G LAN interfaces, making the system suitable for applications requiring both local computing and multiple high-speed network connections.
A 4-LAN industrial PC provides multiple Ethernet interfaces within one computing platform.
YANLING identifies 4-LAN architectures for applications such as:
Industrial networking
Network gateways
Network segmentation
Edge computing
Firewall systems
The value of multiple LAN interfaces is not simply the number of ports. It is the ability to design the network architecture around the actual application.
For applications requiring more network connections, selected YANLING platforms provide up to six LAN interfaces.
These configurations can be used for:
Industrial gateways
Firewall systems
VPN
Soft routers
Network segmentation
Industrial network infrastructure
YANLING specifically identifies pfSense and OPNsense as software environments that can be deployed on applicable multi-LAN systems.
Some YANLING edge networking platforms extend beyond conventional Ethernet connectivity.
A current YANLING firewall/router platform combines:
12th Gen Intel Core processor
Quad Intel I226 2.5GbE ports
Dual 10GbE SFP+ fiber ports
DDR5 memory up to 64GB
Three M.2 slots
Fanless thermal design
Triple display output
This type of platform is intended for higher-density networking and industrial edge applications where multiple Ethernet interfaces and higher-bandwidth SFP+ connections are required.
Multi-LAN and Industrial Edge ComputingMulti-LAN becomes particularly important when an industrial computer is used as an edge computing node. The architecture can be: Industrial Equipment ↓ Industrial I/O / LAN ↓ Edge Computer ↓ Local Processing ↓ Multiple Networks ↓ Enterprise / Cloud / Control Systems YANLING combines multi-LAN connectivity with industrial I/O, Intel processors, NVMe storage and wireless connectivity on selected edge computing platforms. |  |
 | Multi-LAN for Network SecurityA multi-LAN industrial computer can also function as a hardware platform for network security applications. Depending on the system configuration, multiple LAN interfaces can be used for:
YANLING's product portfolio includes firewall and router platforms with multiple Intel Ethernet controllers and SFP+ connectivity. |
Multi-LAN Industrial PC and Industrial I/ONetwork connectivity is only one part of an industrial computer. For industrial applications, the system may need to connect both: Field Devices → RS232 / RS485 / CAN / GPIO and Networks → Multiple LAN YANLING therefore treats multi-LAN and industrial I/O as complementary technologies. This allows one computing platform to communicate with both physical equipment and network infrastructure. | How to Select a Multi-LAN Industrial PCBefore selecting a multi-LAN system, determine:
The number of LAN ports should be selected together with bandwidth, processor performance, I/O, storage and software requirements. |
YANLING's multi-LAN technology portfolio covers Intel I226-V 2.5GbE, 4-LAN and 6-LAN industrial computers, as well as selected dual 10GbE SFP+ edge networking platforms.
This provides a scalable networking architecture for industrial automation, edge computing, network security, industrial gateways and connected industrial systems.
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