SF250-48HP-K9 Cisco Switch 48 Gigabit PoE+ Ports 250 Series

Cisco SF250-48HP-K9 250 Series Managed Switch  

The Cisco SF250-48HP-K9 is a high-performance 250 Series managed switch designed for small to medium-sized businesses requiring robust network performance. Featuring 48 PoE+ Gigabit Ethernet ports, this switch delivers reliable connectivity, advanced security, and efficient power management for all connected devices.

General Specifications

• Manufacturer: Cisco
• Model Number: SF250-48HP-K9
• Type: Managed Ethernet Switch
• Layer Support: Layer 2 networking
• Manageable: Yes

Network Connectivity

• 48 Fast Ethernet Network Ports: Ideal for high-density PoE+ device connections.
• 2 Gigabit Ethernet Network Ports: Ensures high-speed uplink performance for network backbone.
• 2 Gigabit Ethernet Expansion Slots: Expandable via SFP modules for fiber connectivity.

Port and Expansion Features

• Modular Design: Non-modular; compact and easy to deploy.
• Stacking Capability: Not supported, suitable for standalone deployment.
• Expansion Slots: 2 SFP slots, supporting shared modules for scalable networking.
• Shared SFP Slot: Yes, enhancing flexibility for uplink connections.

Ethernet Technology Support

• Fast Ethernet: 10/100Base-TX for reliable legacy device connectivity.
• Gigabit Ethernet: 1000Base-T and 1000Base-X for high-speed data transmission.

Efficient Power Management

• PoE+ Ports: Supports IEEE 802.3at standard for enhanced power output.
• Energy Efficiency: Intelligent power allocation ensures optimal device performance.
• PoE Budget: Adequate power capacity to support multiple high-power devices.

Advanced Layer 2 Features

• VLAN Support: Segregate network traffic for improved performance and security.
• QoS (Quality of Service): Prioritize mission-critical traffic.
• Spanning Tree Protocol (STP): Ensures network redundancy and loop prevention.

Manageability

• Web-based GUI: Simplified configuration and monitoring.
• Command Line Interface (CLI): Offers advanced configuration capabilities.
• SNMP Support: Enables centralized network management.

Scalability and Expansion

• SFP Slots: 2 shared slots for fiber or copper modules.
• Network Growth: Easily accommodates growing network requirements without replacing the switch.

Future-Proof Networking

• Supports high-density IP devices
• Optimized for video, voice, and data traffic
• Expandable for seamless integration with other network devices

Robust Network Protection

• Access Control Lists (ACLs) for traffic filtering
• Port security for device authentication
• Network storm control to prevent traffic overload

High Availability

• Redundant power supply support (optional)
• Reliable PoE+ delivery for critical endpoints
• Layer 2 redundancy protocols for network resilience

Ideal Use Cases

• Small to medium-sized office networks
• IP telephony and video surveillance environments
• Educational institutions requiring centralized management
• Retail stores and branch offices with PoE device requirements

Integration and Compatibility

• Compatible with other Cisco 250 and 200 series switches
• Supports industry-standard Ethernet protocols
• Plug-and-play installation for quick setup

Cisco SF250-48HP-K9 Managed Switch

The Cisco SF250-48HP-K9 is a high-performance managed switch belonging to the Cisco 250 Series, specifically designed for small to medium-sized enterprise networks that require both reliability and scalability. Equipped with 48 PoE+ ports, this switch offers efficient power delivery to connected devices such as IP phones, wireless access points, and security cameras, while maintaining Gigabit Ethernet speeds across all ports.

Advanced Managed Switch Capabilities

This model is part of Cisco's smart managed switch lineup, providing robust Layer 2 features with optional Layer 3 routing capabilities. The SF250-48HP-K9 is designed to deliver optimized network traffic management, advanced security controls, and enhanced Quality of Service, ensuring high network performance for demanding applications and business-critical operations.

Port Configuration and Connectivity

The SF250-48HP-K9 features 48 Gigabit Ethernet ports, all supporting Power over Ethernet Plus (PoE+), which provides up to 30 watts per port. Additionally, it includes four dedicated SFP ports for uplinks, offering flexible connectivity options to integrate with other network devices, such as core switches or routers, ensuring seamless network expansion and redundancy.

PoE+ Power Management

With PoE+ support, the SF250-48HP-K9 can power a wide range of networked devices directly through the Ethernet cables, eliminating the need for additional power sources. The switch intelligently allocates power to devices based on priority, optimizing energy consumption and ensuring that critical devices receive sufficient power even in high-demand scenarios.

Performance and Scalability

The Cisco SF250-48HP-K9 delivers high throughput and low latency performance, making it ideal for environments with heavy network traffic. Its wire-speed forwarding and advanced switching architecture allow for consistent performance even when all ports are fully utilized. The switch also supports VLAN segmentation, allowing administrators to create separate network zones for improved security and traffic management.

Quality of Service (QoS) Features

One of the key strengths of the SF250-48HP-K9 is its sophisticated Quality of Service capabilities. The switch supports multiple levels of traffic prioritization, enabling administrators to prioritize voice, video, and data traffic based on business requirements. This ensures smooth performance for latency-sensitive applications, such as VoIP and video conferencing, while maintaining optimal throughput for other network activities.

Security and Network Protection

Security is a core focus of the SF250-48HP-K9 switch. It includes advanced security features such as access control lists (ACLs), 802.1X network access authentication, and port security. These mechanisms protect the network from unauthorized access and mitigate potential threats. Additionally, the switch provides Denial of Service (DoS) attack prevention and supports secure management protocols to maintain network integrity.

VLAN Support and Network Segmentation

The Cisco SF250-48HP-K9 allows for flexible network segmentation using VLAN technology. Administrators can configure multiple VLANs to separate traffic types, improve security, and optimize network performance. Voice VLANs, data VLANs, and management VLANs can be set up independently, allowing for granular control of network traffic and improved operational efficiency.

Advanced Switching and Routing Capabilities

This switch offers enhanced Layer 2 switching features, including support for Spanning Tree Protocol (STP), Rapid STP, and Multiple STP instances for network loop prevention. Additionally, the SF250-48HP-K9 supports static routing for small networks, enabling Layer 3 forwarding and allowing the switch to perform inter-VLAN routing. This capability reduces the need for external routers in certain network configurations, simplifying infrastructure and lowering costs.

Ease of Management

Cisco provides multiple management options for the SF250-48HP-K9, including an intuitive web-based graphical user interface (GUI), command-line interface (CLI), and Simple Network Management Protocol (SNMP) support. These management tools allow administrators to monitor traffic, configure settings, and perform firmware updates efficiently. The web-based interface provides real-time status information and statistics for all ports and VLANs, simplifying routine network administration.

Energy Efficiency and Environmental Benefits

The SF250-48HP-K9 incorporates Cisco EnergyWise technology, which helps organizations monitor and control energy consumption across the network. By adjusting power allocation based on device activity and implementing energy-efficient Ethernet standards, the switch contributes to reduced operational costs and a smaller carbon footprint, aligning with sustainable IT practices.

Redundancy and Reliability

Reliability is essential for enterprise network operations. The SF250-48HP-K9 supports features such as redundant power supply support and link aggregation to provide failover capabilities. These features ensure continuous network availability, even during hardware failures or maintenance, reducing the risk of downtime and maintaining business continuity.

Integration with Cisco Ecosystem

The SF250-48HP-K9 is fully compatible with other Cisco network devices, allowing seamless integration into existing Cisco infrastructures. Its compatibility with Cisco network management tools, such as Cisco Network Assistant and Cisco Prime, facilitates centralized management and monitoring, enabling administrators to streamline operations and enhance network visibility.

Use Cases and Deployment Scenarios

This switch is ideal for enterprise campus networks, branch offices, and small to medium-sized businesses that require high-performance PoE+ support. Common deployment scenarios include powering IP phones, wireless access points, surveillance cameras, and other networked devices. Its advanced features make it suitable for networks with mixed traffic types, where both voice and data must coexist efficiently.

Future-Proof Networking

The Cisco SF250-48HP-K9 is designed with scalability and future-proofing in mind. Its high-density 48-port configuration, combined with four SFP uplink ports, provides ample capacity for network growth. Organizations can easily expand their network infrastructure without replacing existing hardware, ensuring long-term investment protection and network adaptability to emerging technologies.

Comparison with Other Cisco 250 Series Switches

Within the Cisco 250 Series, the SF250-48HP-K9 stands out due to its high-density PoE+ capability, advanced Layer 2 and basic Layer 3 features, and scalability options. Compared to other models in the series, it offers superior PoE power budget management, making it particularly suitable for environments with multiple high-power devices. Its combination of reliability, flexibility, and performance ensures it remains a preferred choice for businesses seeking cost-effective, managed switch solutions.

Technical Specifications

The technical specifications of the SF250-48HP-K9 include support for up to 48 Gigabit Ethernet ports with full PoE+ capabilities, four SFP uplink ports for fiber connections, up to 740 watts PoE power budget, Layer 2 switching features including VLANs, QoS, and STP, static Layer 3 routing capabilities, and multiple management interfaces including web GUI, CLI, and SNMP. The switch also supports advanced security mechanisms and energy-efficient operations, aligning with modern enterprise network requirements.

Reliability and Quality Assurance

Manufactured by Cisco, the SF250-48HP-K9 adheres to stringent quality standards. Rigorous testing ensures reliable operation under varying environmental conditions, making it suitable for critical business applications. The switch's robust hardware design, combined with Cisco’s firmware reliability, guarantees stable performance and long operational lifespan.