16-port CPEX gigabit Ethernet switching module

By designing a 16-port CPEX Gigabit Ethernet switching module, the problems of versatility and limited functionality of existing switch modules are solved. It enables flexible configuration management and online monitoring of the three-layer switching mode, is suitable for standard industrial 3U chassis, and features stable hardware interfaces and refined power-on control.

CN121283986APending Publication Date: 2026-01-06TIANJIN JINHANG COMP TECH RES INST
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Patent Information

Application Number
CN202511586633.X
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-11-02
Publication Date
2026-01-06

AI Technical Summary

Technical Problem

Existing industrial Ethernet switch modules generally lack versatility, are mostly two-layer switching modes, have simple functions, offer limited system fault handling methods, are difficult to embed into computer chassis, and lack online monitoring and configuration management functions.

Method used

A 16-port CPEX Gigabit Ethernet switching module was designed, which adopts a three-layer switching mode and includes a minimum system of switching chips, a PHY and transformer interface module, a microcontroller module, a power supply module and a connector module to realize three-layer switching functions. The microcontroller module monitors the network status and configuration parameters in real time. It adopts a standard 3U CPEX board, which is easy to embed into an industrial 3U chassis.

Benefits of technology

It achieves flexible configuration and management of three-layer switching modes, has stable and reliable hardware interfaces, online monitoring and automatic management functions, is suitable for standard industrial 3U chassis, has good interchangeability, and supports fine-grained power-on timing control.

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Abstract

The invention relates to a 16-port CPEX gigabit Ethernet switching module, and belongs to the technical field of gigabit Ethernet switching modules. The module adopts a three-layer switching mode, a user can change the working mode of the switching module through a debugging interface, and the state of each network port can be monitored online or configuration parameters of the network port can be changed. Gigabit network signals are output to the CPEX connector after being isolated by the transformer, and a hardware interface is stable and reliable. The switching module is provided with a single-chip microcomputer management module, so that reliable management of power-on and reset of the switching module can be realized.
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