## Product Overview The Dell S5148F-ON-RA is a high-performance networking switch designed for optimal connectivity and power efficiency. This model features 48 fixed 25GbE SFP28 ports and six 100GbE QSFP28 uplink ports, making it ideal for high-demand environments. It boasts a reverse airflow design, which directs the PSU to I/O airflow, ensuring maximum efficiency and cooling in enterprise networks. ### Main Features ? Brand: Dell ? Part Number: S5148F-ON-RA ? Redundant Power Supply: Dual 750W AC hot-swappable PSUs ? Port Configuration: 48 x 25GbE SFP28 ports, 6 x 100GbE QSFP28 uplink ports ? Airflow Design: Reverse airflow (PSU to I/O) ? Default OS: ONIE (Open Network Install Environment) ### Technical Specifications #### Power Supply ? The Dell S5148F-ON-RA is equipped with two redundant, hot-swappable 750W AC power supplies, ensuring uninterrupted operation even in the event of a failure. This configuration supports high-availability setups in mission-critical environments. #### Port Details ? This switch includes 48 fixed 25GbE SFP28 ports, providing ample capacity for high-speed networking. Additionally, six 100GbE QSFP28 uplink ports are available for connections to higher bandwidth devices or network aggregations, perfect for large-scale data center applications. #### Airflow Design ? Featuring reverse airflow, the Dell S5148F-ON-RA directs cooling from the power supply unit (PSU) towards the I/O, which is particularly beneficial in environments with dense equipment racks and limited cooling. This design ensures that the device runs efficiently while maintaining optimal temperatures. ### Key Advantages ? High-speed 25GbE and 100GbE ports for scalable networking ? Redundant, hot-swappable power supplies for enhanced reliability ? Flexible software environment with ONIE for OS installation ? Optimized airflow design for better cooling and energy efficiency ? Ideal for enterprise, cloud, and data center applications ## Ports The Dell S5148F-ON-RA switch is equipped with an impressive array of ports, making it a versatile and powerful networking solution for businesses of all sizes. With a total of 48 ports, including 6 SFP+ ports, this switch provides ample connectivity options for even the most demanding network environments. ### Increased Network Flexibility The 48 Ethernet ports on the Dell S5148F-ON-RA switch offer users the ability to connect a wide range of devices, such as computers, servers, printers, and IP phones. This level of flexibility enables businesses to easily expand their network infrastructure without the need for additional equipment or costly upgrades. #### Enhanced Network Performance Having a sufficient number of ports is essential for maintaining optimal network performance. With 48 ports, the Dell S5148F-ON-RA switch ensures that data can flow smoothly and efficiently between connected devices. This minimizes bottlenecks and latency issues, resulting in faster data transfer speeds and improved overall network performance. ##### Seamless Integration with Existing Infrastructure For businesses that already have an established network infrastructure, the Dell S5148F-ON-RA switch offers seamless integration. The switch supports industry-standard protocols and technologies, allowing it to easily work with existing network equipment. This eliminates the need for costly and time-consuming network reconfigurations, making it a cost-effective solution for businesses looking to upgrade their networking capabilities. ## Power Supplies Power supplies are a vital component of any network switch, as they ensure that the device operates reliably and efficiently. The Dell S5148F-ON-RA switch comes equipped with advanced power supply features that provide users with enhanced reliability and power efficiency. ### AC Power Source The Dell S5148F-ON-RA switch is powered by AC (alternating current), which is the standard power source in most commercial and residential environments. This means that users can easily connect the switch to a standard power outlet, eliminating the need for specialized power infrastructure. The use of AC power also ensures compatibility with existing power backup systems, providing an additional layer of reliability and redundancy. #### Redundant Power Supply Units To further enhance reliability, the Dell S5148F-ON-RA switch is equipped with two power supply units (PSUs). This redundant design ensures that the switch remains operational even if one PSU fails. In mission-critical environments where network downtime is unacceptable, this feature provides peace of mind and helps maintain uninterrupted network connectivity. ##### High Power Capacity The two power supply units in the Dell S5148F-ON-RA switch have a combined capacity of 750 watts. This high power capacity is essential for supporting power-hungry network devices and ensuring that the switch can handle peak load conditions without performance degradation. Whether it’s powering multiple high-performance servers or supporting a large number of connected devices, the Dell S5148F-ON-RA switch’s power supplies can handle the task with ease. In conclusion, the Dell S5148F-ON-RA switch’s ports and power supplies are crucial features that contribute to its overall performance and reliability. The ample number of ports enables businesses to connect a wide range of devices, facilitating network expansion and enhancing flexibility. The advanced power supply features, including AC power source, redundant PSUs, and high power capacity, ensure uninterrupted operation and provide the necessary power for demanding network environments. With these features, the Dell S5148F-ON-RA switch is a reliable and powerful networking solution for businesses seeking high-performance and scalable networking infrastructure.