Aruba CX 4100i 24p 1GbE 20p Class4 POE and 4p Class6 PoE 4p SFP+ Switch

Overview

The Aruba JL818A is a high-performance network switch designed to deliver reliable connectivity and power in demanding environments. It features 24 Ethernet ports, including 20 ports that provide up to 30 watts of Class 4 PoE and 4 ports delivering up to 60 watts of Class 6 PoE, making it suitable for powering devices like wireless access points, IoT sensors, and security cameras without extra power supplies. With 4 SFP+ ports supporting uplinks at speeds up to 10 Gbps and a switching capacity of 128 Gbps, this switch handles heavy network traffic efficiently while operating in extreme temperatures from -40°C to 75°C.

Key features

• Power over Ethernet (PoE) support on 24 ports, enabling direct power delivery to connected devices and reducing the need for separate power sources
• Fanless 1U rack-mount design that minimizes noise and lowers maintenance requirements, ideal for quiet or sensitive environments
• Robust operation in harsh conditions with a wide temperature range, ensuring network stability in industrial or outdoor settings
• Flexible management options including a web interface, command-line interface, and Aruba Central for convenient control and monitoring
• High switching capacity of 128 Gbps to support heavy data loads and maintain smooth network performance
• Includes USB-C and RJ45 console ports for versatile connectivity and easy setup
• No additional software licenses required, simplifying deployment and ongoing management

Key specs

• Ethernet ports: 24 (20 Class 4 PoE up to 30W, 4 Class 6 PoE up to 60W)
• SFP+ ports: 4 supporting up to 10 Gbps uplinks
• Switching capacity: 128 Gbps
• PoE power budget: 240W with no derating
• Operating temperature range: -40°C to 75°C
• Form factor: 1U rack-mount, fanless design
• Console ports: USB-C and RJ45

Connectivity and compatibility

This switch offers a comprehensive set of ports to connect a variety of network devices and uplinks. The 24 Ethernet ports provide both data and power, supporting a wide range of PoE-enabled devices commonly found in enterprise, industrial, and outdoor networks. The 4 SFP+ ports allow for high-speed fiber or copper uplinks, ensuring seamless integration with core network infrastructure. USB-C and RJ45 console ports facilitate straightforward configuration and troubleshooting.

Performance and reliability

Built to withstand extreme temperatures and operate without fans, this switch delivers consistent performance in environments where standard switches might fail. Its high switching capacity and generous PoE budget ensure that connected devices receive stable power and data throughput, even under heavy network loads. The fanless design reduces points of failure and maintenance, making it a dependable choice for critical network deployments.

Ideal uses and environments

The Aruba JL818A fits well in industrial sites, outdoor installations, and other challenging environments where reliable power delivery and network connectivity are essential. It is a strong choice for organizations deploying wireless access points, security cameras, and IoT sensors that require both data and power over a single cable. Its rugged design and wide operating temperature range make it suitable for harsh conditions, while its management flexibility supports diverse IT workflows.