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Domestic Industrial-Grade Switch Chips

China has developed a range of domestic industrial Ethernet switch chips that are increasingly competitive with foreign alternatives, supporting high-speed, reliable, and industrial-grade networking. Key Domestic Industrial Switch Chips1.

ZXI

C Series by ZTE Microelectronics ZTE's ZXIC series is widely used in industrial automation, smart grids, and security monitoring. These chips support high-speed data switching, multiple port configurations, and advanced features such as VLAN, QoS, and multicast management. They are designed for high reliability, low power consumption, and strong anti-interference performance, making them suitable for harsh industrial environments.

2.

Hi

Silicon by Huawei HiSilicon industrial Ethernet switch chips are applied in smart manufacturing, IoT, and industrial internet systems. They offer high bandwidth, low latency, and support for industrial protocols like Modbus, PROFINET, and EtherCAT. Security features are integrated to protect industrial control systems, ensuring fast and reliable data transmission between devices.

3.

R

K Series by Rockchip Rockchip's RK series supports Gigabit Ethernet and advanced network management functions such as link aggregation, flow control, and bandwidth limitation. These chips are designed for industrial-grade wide-temperature operation, making them suitable for extreme high- and low-temperature conditions in industrial settings. 4.

G

D Series by GigaDevice GigaDevice's GD series provides high-performance Ethernet switching for industrial automation and intelligent transportation. These chips integrate multiple industrial communication protocols, emphasizing high reliability and long life cycles, which are critical for demanding industrial applications.

Industrial Applications

Domestic switch chips are increasingly deployed in manufacturing, energy, transportation, and healthcare, where stable and real-time data transmission is essential. They are used in industrial automation, smart grids, embedded systems, and intelligent transportation networks, providing alternatives to foreign chips and reducing dependency on imports.

Strategic Context

China has invested heavily in domestic semiconductor production to achieve self-sufficiency and reduce reliance on foreign technology. This includes subsidies, tax incentives, and support for local chipmakers to develop industrial-grade chips. While China still lags behind the US, Taiwan, and South Korea in advanced chip manufacturing, domestic chips now capture a significant share of the market for legacy and industrial semiconductors, which are essential for vehicles, industrial equipment, and IoT devices.

Summary

Domestic industrial Ethernet switch chips from ZTE, HiSilicon, Rockchip, and GigaDevice now offer high-speed, reliable, and industrial-grade performance, supporting a wide range of industrial applications. These developments are part of China's broader strategy to strengthen its semiconductor industry, achieve technological self-reliance, and reduce dependence on foreign suppliers.

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Technical note

This reference is intended for preliminary fiber and communications infrastructure research. Optical interface, fiber type, port or core capacity, electrical input and output, enclosure protection, cooling, installation limits and applicable standards must be verified for the specific project.

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