Product Overview

The Enterasys C5K125-48P2 is a high-performance managed PoE++ (IEEE 802.3bt) Ethernet switch designed for enterprise and industrial networks requiring high-density power delivery and robust connectivity. As part of Enterasys’s C5K series, this model provides 48 Gigabit Ethernet ports with advanced PoE++ capabilities, enabling it to supply up to 90W per port for powering high-wattage devices such as PTZ cameras, 802.11ax wireless access points, and LED lighting systems. The C5K125-48P2 is engineered to handle demanding network environments, offering high-speed switching, redundant power inputs, and enterprise-grade security features.

Its role in an automation setup is critical for consolidating network infrastructure, reducing cabling complexity, and ensuring reliable power delivery to edge devices. The switch’s value lies in its ability to support high-density PoE deployments while maintaining low latency and high throughput, making it ideal for smart buildings, industrial IoT, and surveillance systems. The C5K125-48P2 is part of a modular ecosystem that integrates seamlessly with other Enterasys products, providing a unified networking solution for large-scale deployments.

Technical Specifications

Parameter Value
Product Model Enterasys C5K125-48P2
Manufacturer Enterasys (Extreme Networks)
Product Type Managed PoE++ Gigabit Switch
Port Configuration 48 x 10/100/1000Base-T PoE++
Uplink Ports 4 x 10G SFP+ / 25G SFP28 (optional)
PoE Budget 1440W (30W per port) / 720W (60W per port) / 480W (90W per port)
Switching Capacity 176 Gbps
Forwarding Rate 131 Mpps
Power Supply Dual redundant AC (100–240V)
Operating Temperature -10°C to 60°C
Mounting 19-inch rack-mountable
Dimensions 440 x 44 x 350 mm
Weight 7.5 kg
Management CLI, Web GUI, SNMP v3, REST API
Protocol Support IPv4, IPv6, VLAN, QoS, LACP, OSPF, BGP

Key Features and Benefits

The Enterasys C5K125-48P2 excels in its high-density PoE++ capabilities, allowing it to power up to 48 devices simultaneously with up to 90W per port. This eliminates the need for separate power supplies, reducing installation costs and simplifying network design. The switch’s redundant power inputs and wide operating temperature range ensure reliability in harsh environments, such as manufacturing plants or outdoor installations.

Stability is further enhanced by advanced diagnostics, including port mirroring, traffic monitoring, and cable diagnostics, which help operators quickly identify and resolve issues. The C5K125-48P2 supports VLAN segmentation, QoS, and link aggregation, enabling efficient traffic management and ensuring critical applications receive the necessary bandwidth.

Integration with existing networks is seamless, thanks to the switch’s support for industry-standard protocols like SNMP v3 and REST API. Its build quality, with a rugged metal chassis and compliance with industrial EMC standards, ensures longevity and reduces maintenance costs. The C5K125-48P2 also supports advanced security features, including 802.1X authentication and MAC address filtering, protecting against unauthorized access.

Application Scenarios

In industrial automation, the Enterasys C5K125-48P2 is ideal for connecting and powering devices in manufacturing plants. For example, it can supply PoE++ to PTZ cameras for quality control while ensuring reliable communication between PLCs and HMIs. In oil and gas refineries, the switch’s redundant power and high-temperature tolerance make it suitable for connecting safety systems and monitoring equipment.

Smart infrastructure projects also benefit from the C5K125-48P2. In transportation hubs like airports or railway stations, it can power wireless access points and security cameras while managing traffic flow through VLAN segmentation. In smart cities, it supports IoT deployments by connecting streetlights, environmental sensors, and traffic controllers to a centralized network.

For critical infrastructure, such as data centers or hospitals, the C5K125-48P2 ensures uninterrupted operation of servers, storage arrays, and medical devices. Its advanced security features protect against cyber threats, making it a trusted choice for organizations prioritizing reliability and safety.

Related Models

  • Enterasys C5K125-48P – Similar model with PoE+ (IEEE 802.3at) support, providing up to 30W per port.
  • Enterasys C5K125-24P2 – Compact variant with 24 PoE++ ports, suitable for smaller deployments.
  • Enterasys C5K125-48 – Non-PoE version of the C5K125-48P2, ideal for environments where PoE is not required.
  • Enterasys C5K125-48P2-DC – DC-powered variant for railway and marine applications.
  • Enterasys C5K125-48P2-X – Enhanced model with additional 25G SFP28 uplinks for high-speed backbone connectivity.

Installation and Maintenance

Before installing the Enterasys C5K125-48P2, ensure the mounting rack has sufficient space and ventilation. The switch requires dual AC power inputs (100–240V) and should be grounded properly to prevent electrical interference. For optimal performance, avoid installing it in areas with excessive dust or moisture. The switch’s fanless design reduces noise and mechanical failures, but regular cleaning of vents is recommended to prevent overheating.

Maintenance of the C5K125-48P2 involves periodic checks of power supplies, port connectivity, and firmware updates. Enterasys recommends using its network management software to monitor the switch’s health and performance. Diagnostic tools like port mirroring and traffic analysis can help identify bottlenecks or failures. Replacement of power supplies or fans should be performed by qualified technicians to avoid voiding the warranty.

Product Warranty

The Enterasys C5K125-48P2 is backed by a 5-year limited warranty, covering defects in materials and workmanship. Enterasys offers global technical support, including 24/7 access to certified engineers and replacement parts. Extended warranty options are available for organizations requiring longer coverage. Enterasys is committed to customer satisfaction, ensuring that the C5K125-48P2 remains a reliable component of industrial networks for years to come. The company’s focus on quality and innovation makes the C5K125-48P2 a trusted choice for enterprises and industrial users worldwide.

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