Product Overview
The Enterasys 71K11L4-24 is a high-performance 1U network switch designed for demanding enterprise and industrial environments. As part of the Enterasys 7100 Series, this switch offers advanced networking capabilities with a robust feature set tailored for modern network infrastructures. It provides 24 ports of 1/10 Gb SFP+ connectivity along with 4 10/40 Gb QSFP+ ports, making it an ideal solution for environments requiring high-speed data transmission and scalable network expansion.
In typical automation setups, the Enterasys 71K11L4-24 serves as a critical component for connecting various devices, such as PLCs, DCS systems, and other networked equipment. Its ability to handle high-speed data traffic ensures seamless communication and efficient data exchange between devices, thereby enhancing overall operational efficiency. The switch is particularly valuable for its versatility, supporting both copper and fiber optic connections through SFP+ and QSFP+ modules, which allows it to adapt to a wide range of network architectures.
Technical Specifications
| Parameter | Value |
|---|---|
| Product Model | Enterasys 71K11L4-24 |
| Manufacturer | Enterasys |
| Product Type | Managed Gigabit Ethernet Switch |
| Interface Type | 24 x 1/10 Gb SFP+ ports, 4 x 10/40 Gb QSFP+ ports |
| Transmission Rate | 1 Gbps/10 Gbps per port, 40 Gbps for QSFP+ ports |
| Switching Capacity | High-speed switching with low latency |
| Power Supply | Ordered separately, supports redundant power supplies for reliability |
| Dimensions (W x D x H) | 1U form factor (rack-mountable) |
| Weight | Lightweight for easy installation |
| Operating Temperature | 0°C to 50°C |
| Storage Temperature | -40°C to 70°C |
| Operating Humidity | 10% to 90% (non-condensing) |
| Certifications | FCC Class A, CE, RoHS compliant |

Key Features and Benefits
The Enterasys 71K11L4-24 offers several key features that make it a standout choice for network infrastructure. Its 24 SFP+ ports and 4 QSFP+ ports provide versatile connectivity options, supporting both copper and fiber optic links. This flexibility allows it to be deployed in a wide range of environments, from data centers to industrial control systems.
One of the major strengths of the Enterasys 71K11L4-24 is its high-speed data transmission capability. With support for 1 Gbps and 10 Gbps connections on the SFP+ ports, and up to 40 Gbps on the QSFP+ ports, it can handle large volumes of data traffic efficiently. This is particularly important in applications such as video surveillance, large file transfers, and real-time data processing.
The switch is designed with reliability in mind, featuring redundant power supply options and reversible fan modules to ensure continuous operation even in harsh conditions. Its compact 1U form factor makes it easy to install in standard rack systems, saving valuable space in data centers and equipment rooms.
Application Scenarios
The Enterasys 71K11L4-24 is highly adaptable and can be deployed across various industries. In manufacturing plants, it can connect PLCs, sensors, and other automation devices, enabling real-time data exchange and control. For example, in an automotive manufacturing facility, the switch can link robotic arms, assembly line controllers, and quality assurance systems, ensuring synchronized operations and efficient production.
In power generation facilities, such as coal-fired or nuclear power plants, the Enterasys 71K11L4-24 can connect critical monitoring equipment to central control systems. This allows for continuous monitoring of key parameters such as temperature, pressure, and flow rates, enabling proactive maintenance and ensuring safe and efficient power generation.
For oil and gas refineries, the switch can be used to connect remote sensors and control systems, facilitating real-time monitoring and control of the refining process. This connectivity is crucial for optimizing production, minimizing downtime, and ensuring compliance with safety and environmental regulations.
In the context of smart infrastructure, the Enterasys 71K11L4-24 can be deployed in smart buildings to connect HVAC systems, lighting controls, and security cameras. This integration enables centralized monitoring and control, enhancing energy efficiency and operational effectiveness.
Related Models
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Enterasys 71K11L4-48: A higher-port-density variant with 48 SFP+ ports and 4 QSFP+ ports, suitable for larger networks requiring more connections.
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Enterasys 71K91L4-24: A similar switch with a different chassis design, offering 24 SFP+ ports and 4 QSFP+ ports, but with a focus on different environmental and scalability requirements.
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Enterasys 71K91L4-48: Another high-port-density variant with 48 SFP+ ports and 4 QSFP+ ports, providing additional capacity for large-scale deployments.
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Enterasys 71K11L4-24P: A PoE-enabled variant, capable of powering IP cameras, wireless access points, and other PoE devices, making it ideal for applications requiring remote power supply.
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Enterasys 71K11L4-24F: A fiber-optic optimized variant, offering enhanced resistance to electromagnetic interference and longer transmission distances, suitable for environments where long-distance connectivity is required.

Installation and Maintenance
When preparing to install the Enterasys 71K11L4-24, ensure that the target rack or cabinet is properly grounded to prevent electrical damage. The switch should be installed in a location with adequate ventilation to maintain optimal operating temperatures. The Enterasys 71K11L4-24 is designed for easy installation into a 1U rack, with a secure locking mechanism to ensure stability.
For maintenance, regular visual inspections of the switch’s indicators and connections are recommended to detect any potential issues early. Cleaning the SFP+ and QSFP+ ports and ensuring that all cables are securely connected can help prevent signal degradation. It is also advisable to periodically check the power supply and environmental conditions to ensure they remain within the specified ranges. If any issues arise, such as abnormal indicator lights or connectivity problems, it is recommended to consult the user manual or contact Enterasys technical support for assistance.
Product Warranty
Enterasys provides a comprehensive warranty and support package for the Enterasys 71K11L4-24. The standard warranty period is 1 year, covering defects in materials and workmanship. During this period, Enterasys will repair or replace any faulty switches at no additional cost. Beyond the warranty period, extended support options are available to ensure continued performance and reliability.
Enterasys offers global technical support, with a team of experts available to assist with installation, configuration, and troubleshooting. This support network ensures that customers receive timely and effective assistance, minimizing downtime and maximizing operational efficiency. Enterasys is committed to customer satisfaction and strives to deliver high-quality products and services that meet the evolving needs of modern industrial and enterprise networks.
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