Hirschmann Brand Introduction
Hirschmann has a longstanding reputation in industrial networks and related fields, is a technology and market-leading outstanding enterprise. 1924, by the father of the ‘banana plug’ Mr Richard Hirschmann was founded, began as a one-man company, after a century of development, has grown into a modern communications field of the global industry The company was founded in 1924 by Mr Richard Hirschmann, the father of the banana plug.
Hirschmann’s business is extremely wide-ranging and covers a number of important areas. In the field of broadcasting and television transmission technology, its mobile transmission and reception systems use analogue and digital technology to ensure the stable transmission of broadcasting and television signals. In the field of enterprise and industrial network solutions, Hirschmann is a leading provider of efficient and reliable network architectures for complex industrial environments. Fieldbus systems are also an important business segment, enabling accurate and fast data communication between devices in industrial automation processes.

Hussmann products excel in demanding industrial environments. Thanks to their experience and expertise, they maintain high transmission speeds and unrivalled reliability, even at high temperatures, high pressures and in the presence of strong electromagnetic interference. For example, in high-temperature smelting workshops in steel mills, high humidity and dusty environments in coal mines, and strong electromagnetic zones in power substations, Hirschmann’s media converters, switches and other equipment operate stably to ensure the continued stability of industrial production networks.

Hirschmann has an extensive global presence, with production facilities in Germany and Hungary, as well as subsidiaries in many European countries, the United States and Asia. This enables Hirschmann to respond quickly to the needs of customers around the world and to provide timely and professional products and services to industrial companies in different regions. Hirschmann’s products and services are available to industrial companies in all regions.

I. Port and Connection Configuration
Ethernet Port Characteristics: The media converter is most likely equipped with a standard Ethernet port, and most likely supports 10/100/1000Base-T adaptive rate. This means that in real-world application scenarios, it can work seamlessly with many common Ethernet devices, be it industrial controllers and smart sensors in factory automation shops, or computers and servers in corporate office areas. When connected using standard Cat5e and higher grade cables, the Ethernet port can transmit data over distances of up to 100 metres under ideal conditions, which is more than sufficient to meet the need for short-distance cabling between devices in the industrial field and to ensure the stability and reliability of data transmission.

Fibre Optic Port Function: Considering the need for long distance and high bandwidth transmission in industrial networks, the MM20 – M2M29999EAHH may be equipped with a fibre optic port. If a multimode fibre port is available, the transmission distance is expected to be up to 550m when using 50/125μm size multimode fibre with the data rate set to 1000Mbps.

This configuration is extremely advantageous in scenarios where data is connected between different workshops within a factory, such as in an automotive manufacturing plant, where equipment data interactions between the stamping and welding shops can be transmitted at high speeds and stably via multimode optical fibre with this media converter. When equipped with a single-mode fibre port using 1310nm wavelength single-mode fibre, the transmission distance can be significantly extended to several kilometres, which is crucial for cross-regional network connectivity in large industrial parks, such as data communication between different factories, or long-distance data transmission between a substation and a remote monitoring centre in a smart grid. It can effectively break through the geographical distance limitations to ensure reliable data transmission.

Data Conversion Efficiency
Precise signal conversion: One of the core functions is to achieve efficient conversion of different network signals. In industrial automation production lines, front-end sensors often form a high-speed data acquisition network through optical fibers to ensure the rapid transmission of large amounts of real-time data, while back-end control systems and data processing centres mostly use Ethernet architecture for data storage and analysis.

The media converter accurately converts optical signals transmitted over fibre optics into electrical signals that are recognised by Ethernet and vice versa. In an electronics manufacturing plant, for example, high-precision sensors on the production line used to check the quality of the product transmit the inspection data via optical fibre to the media converter, which quickly converts it into Ethernet signals and transmits them to the production management system at the back end, providing timely and accurate data support for production decision-making and ensuring the efficient and stable operation of the production line.

Intelligent Rate Adaptation: In complex industrial network environments, the data transmission rate of different devices varies greatly, and the MM20-M2M29999EAHH is equipped with a rate adaptation function, which can automatically sense the transmission rate of the devices connected to it and carry out intelligent matching and co-ordination. When enterprises are upgrading their networks, new high-performance devices may have a transmission rate of 1000Mbps or even higher, while some old devices still maintain a rate of 100Mbps.

Through the media converter, these devices with different rates can work together in the same network, avoiding data transmission delays, packet loss and even interruptions due to rate mismatch, which greatly improves the stability and compatibility of network data transmission, and ensures smooth transmission of various types of data in the industrial production process.

Network Expansion and Security Enhancement
Long-distance transmission breakthrough: Using the advantages of optical fibre transmission in terms of distance and anti-interference, the MM20-M2M29999EAHH media converter effectively solves the problem of limited transmission distance of traditional Ethernet twisted-pair cable. In large industrial facilities, such as steel mills and cement factories, the plant area is extensive and the distribution of equipment is extremely dispersed.

Traditional Ethernet twisted-pair connections are difficult to meet the demand for long-distance data transmission, but by using this media converter with optical fibre, data can be transmitted up to several kilometres away, which significantly extends the coverage of the network. For example, in a steel plant, between the equipment located in the high-temperature smelting area and the central monitoring room located at the far end of the plant, the media converter and optical fibre can be used to stably transmit the data of the equipment’s operation status, process parameters and other data to the monitoring room, so as to facilitate the operators to grasp the production situation in real time, and to make timely decisions to ensure the safety and stability of the production process.

Network security protection: In addition to signal conversion, the MM20-M2M29999EAHH also has a network isolation function, which is of great significance in enhancing the security of industrial networks. It can effectively block the flow of unnecessary network traffic between different network areas, reducing the scope of potential network attacks on the entire network system. In substations in the power industry, networks in different functional areas, such as the primary equipment monitoring network and the secondary equipment protection network, are segregated by this media converter.

Even if the network in a certain region suffers from malicious attacks, the attack can be prevented from spreading to other regions to the maximum extent possible, safeguarding the stable operation of the power system network and ensuring the reliability of power supply. In addition, some of the media converters may also have a simple protocol conversion function, so that the use of different communication protocols network equipment can achieve interoperability, further enhancing the overall security and adaptability of the network.