Enterasys B5K125-48P2 | Industrial Ethernet Switch
Product Overview
The Enterasys B5K125-48P2 is a high-performance networking solution designed to meet the demanding requirements of modern industrial automation environments. As part of the Enterasys family of robust and reliable networking devices, this product excels in providing efficient and secure data transmission for various industrial applications. Typically deployed in industrial control systems, the Enterasys B5K125-48P2 serves as a critical component in connecting and managing devices within a distributed control system (DCS) or other complex automation setups. Its core functionality includes high-speed data switching, advanced network management features, and seamless integration with existing infrastructure. What sets the Enterasys B5K125-48P2 apart is its ability to handle large volumes of data with minimal latency, ensuring that critical processes remain uninterrupted. Additionally, its rugged design and extensive diagnostic capabilities make it an invaluable asset for maintaining network reliability in harsh industrial conditions. Whether used in manufacturing plants, power stations, or other industrial settings, the Enterasys B5K125-48P2 plays a crucial role in optimizing operational efficiency and supporting seamless automation processes.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Enterasys B5K125-48P2 |
| Manufacturer | Enterasys |
| Product Type | Industrial Ethernet Switch |
| Port Configuration | 48 x 10/100/1000BASE-T ports, 4 x 1000BASE-X SFP ports |
| Power Supply | 100-240V AC, 48V DC (optional) |
| Dimensions (L x W x H) | 440 x 270 x 44 mm |
| Operating Temperature | -10°C to 60°C |
| Storage Temperature | -40°C to 70°C |
| Mounting Options | 19-inch rack mountable |
| Protection Rating | IP20 |
| Network Protocols | IEEE 802.3, IEEE 802.3u, IEEE 802.3ab, IEEE 802.3z |
| Management Interface | Web-based management, SNMP, CLI |

Key Features and Benefits
The Enterasys B5K125-48P2 is engineered to deliver exceptional performance and reliability in industrial applications. One of its key strengths is its high-speed data transmission capabilities, which ensure that critical information is processed and communicated with minimal delay. This is particularly important in environments where real-time data is essential for efficient operations. The switch also offers advanced network management features, such as web-based management and SNMP support, which simplify the configuration and monitoring of the network. These capabilities enable system administrators to quickly identify and resolve issues, reducing downtime and improving overall network stability.
Another notable feature of the Enterasys B5K125-48P2 is its robust diagnostic support. The switch includes comprehensive monitoring tools that provide detailed insights into network performance and device status. This allows for proactive maintenance and early detection of potential problems, further enhancing the reliability of the system. Additionally, the switch is designed with a ruggedized chassis and a wide operating temperature range, making it suitable for deployment in harsh industrial environments. Its 19-inch rack-mountable design ensures easy integration into existing infrastructure, while the optional 48V DC power supply provides flexibility in power options.
Application Scenarios
The Enterasys B5K125-48P2 is ideally suited for a variety of industrial applications where reliable and high-speed networking is essential. In power plants, for example, the switch can be used to connect various control systems and sensors, ensuring seamless communication between turbines, generators, and monitoring equipment. This enables real-time data transmission and efficient control of critical processes, ultimately enhancing the overall efficiency and reliability of the power generation system.
In the oil and gas industry, the Enterasys B5K125-48P2 can be deployed in refineries and offshore platforms to manage the complex network of sensors, actuators, and control systems. Its ability to handle large volumes of data with minimal latency is crucial for monitoring and controlling processes such as crude oil processing, refining, and pipeline transportation. The switch’s rugged design and wide temperature range make it well-suited for the harsh conditions often encountered in these environments.
In discrete manufacturing lines, the Enterasys B5K125-48P2 can be used to connect production equipment, quality control systems, and data acquisition devices. This enables real-time monitoring of production processes, facilitating the implementation of lean manufacturing principles and improving overall productivity. The switch’s advanced management features and diagnostic capabilities also support efficient maintenance and troubleshooting, minimizing downtime and ensuring smooth production operations.
Related Models
Enterasys B5K125-48P1 – A variant with a slightly different port configuration, offering 48 x 10/100/1000BASE-T ports and 2 x 1000BASE-X SFP ports. It is ideal for applications requiring fewer fiber optic connections compared to the Enterasys B5K125-48P2.
Enterasys B5K124-24 – A smaller form factor switch with 24 x 10/100/1000BASE-T ports and 2 x 1000BASE-X SFP ports. It is designed for applications with limited space or lower port density requirements, making it a suitable companion module for the Enterasys B5K125-48P2 in distributed network architectures.
Enterasys B5K125-24P2 – An earlier generation model with 24 x 10/100/1000BASE-T ports and 2 x 1000BASE-X SFP ports. It offers basic functionality and is a good option for customers looking for a cost-effective solution with similar features to the Enterasys B5K125-48P2.
Enterasys B5K125-48P3 – An upgraded version with enhanced security features and improved management capabilities. It is backward compatible with the Enterasys B5K125-48P2 and offers additional options for secure network deployment.
Enterasys B5K125-48P4 – A ruggedized variant designed for extreme industrial environments. It features an extended temperature range and enhanced protection against dust and moisture, making it suitable for deployment in harsh conditions where the Enterasys B5K125-48P2 may not be sufficient.

Installation and Maintenance
When preparing for the installation of the Enterasys B5K125-48P2, it is important to ensure that the physical space is adequate to accommodate the 19-inch rack-mountable design. Proper grounding and a stable power supply are also essential to prevent electrical interference and ensure reliable operation. The environment should be within the specified operating temperature range of -10°C to 60°C, and the switch should be mounted securely in a location free from excessive dust and moisture.
For regular maintenance of the Enterasys B5K125-48P2, it is recommended to perform routine checks on the network connections and port status using the web-based management interface or SNMP tools. Monitoring the temperature and ventilation around the switch can also help prevent overheating and prolong its lifespan. Diagnostics should be run periodically to identify any potential issues early, and firmware updates should be applied as needed to ensure optimal performance and security. It is also advisable to establish a replacement interval for critical components, such as power supplies, based on the manufacturer’s guidelines and the specific operating conditions of the installation site.
Product Warranty
Xiamen Xiongba E-commerce Co., Ltd. Branch is committed to providing high-quality industrial automation products and ensuring customer satisfaction. The Enterasys B5K125-48P2 is backed by a one-year warranty, which covers manufacturing defects and ensures the product meets the specified performance standards. Our global support network is available to assist customers with any technical issues or inquiries, providing prompt and reliable service. We stand behind the quality of our products and are dedicated to helping our customers achieve seamless integration and long-term reliability in their industrial automation systems. If any issues arise during the warranty period, we offer a free replacement service to ensure minimal disruption to your operations.
Company Introduction
Xiamen Xiongba E-commerce Co., Ltd. Branch specializes in the field of industrial automation, focusing on the sales of Distributed Control Systems (DCS), robot systems, and modules and spare parts for large-scale servo control systems. Our business covers a wide range of industrial automation products, including PLCs, MOTOROLA MVME industrial modules, Anybus communication converters, RTU remote modules, industrial PCs, low-frequency industrial displays, and SCSI human-machine interfaces. With over a decade of industry experience, Xiongba has grown into a global supplier of industrial automation spare parts. We source directly from overseas, offering products and parts from multiple countries and manufacturers. This helps solve customers’ procurement challenges, ensures product quality, and provides a significant price advantage.












