Juniper QFX5110-48S-AFO – 48-Port 10GbE Data Center Switch

Usage Area

The Juniper QFX5110-48S-AFO is a managed switch from the QFX5110 series, designed for data center access and leaf-spine topologies. It is deployed as a leaf switch to connect servers equipped with 10GbE interfaces, while uplinks utilize 40/100GbE QSFP28 ports for traffic aggregation. The unit supports high-density 10GbE deployments via breakout cables, making it suitable for enterprise and cloud-scale data centers requiring low-latency, high-throughput switching.

Construction Features

• 1U rack-mountable form factor with fixed configuration
• 48 SFP+ ports for 10GbE server connectivity
• 4 QSFP28 ports supporting 40/100GbE uplinks or breakout to 4×10GbE
• AC power supply with AFO airflow (back-to-front) optimized for cold aisle containment
• Runs on Junos OS with support for breakout cabling to increase 10GbE port density
• Compatible with SFP+ and QSFP28 optical transceivers

Technical Parameters

• Ports: 48× SFP+ 10GbE, 4× QSFP28 (40/100GbE)
• Switching capacity: 1.76 Tbps
• Forwarding rate: 1.32 Bpps
• Breakout support: QSFP28 to 4×10GbE
• Form factor: 1U
• Power supply: AC
• Airflow: AFO (back-to-front)

Standards & Certification

The Juniper QFX5110-48S-AFO complies with industry standards for data center switching equipment, including CE marking for the European market. It is designed to meet EN safety and EMC directives applicable to IT hardware. The device operates under Junos OS, ensuring consistent network protocol compliance for enterprise environments.