SF350-48MP-K9 Cisco 48 Ports Managed Switch

Cisco SF350-48MP-K9 Ethernet Switch

The Cisco SF350-48MP-K9 is a business-class managed Ethernet switch designed to deliver consistent network performance, flexible connectivity, and advanced traffic control for growing enterprise environments. Built under the Cisco Small Business 350 Series, this switch supports scalable network designs while maintaining stability, security, and simplified administration across demanding infrastructures.

General Device Information

• Manufacturer: Cisco
• Model Number: SF350-48MP-K9
• Device Category: Managed Ethernet Switch

Network Ports

• 48 Fast Ethernet access ports for end devices
• Dedicated uplink connectivity for higher-speed data transfer

Uplink and Modular Architecture

• Uplink Port Support: Enabled
• Modular Design: Supported
• Stackable Architecture: Not supported

Expansion Slot Details

• Total Expansion Slots: 4
• Expansion Slot Type: SFP (Small Form-Factor Pluggable)
• Shared SFP Slot Support: Yes
• Number of Available SFP Slots: 4

Additional Network Interfaces

• 4 Gigabit Ethernet expansion ports
• 2 Gigabit Ethernet network uplink ports

Supported Media Types

• Twisted Pair cabling for standard Ethernet connections
• Optical Fiber for high-speed and long-range communication

Ethernet and Network Technologies

• Fast Ethernet and Gigabit Ethernet compatibility
• 10/100Base-TX support for legacy and modern devices
• 1000Base-X for fiber-based uplinks
• 10/100/1000Base-TX for adaptive speed negotiation

Network Layer and Communication Capabilities

• Layer Support: Layer 3 switching and routing
• Optimized communication between VLANs

Manageability Highlights

• Centralized switch management
• Enhanced visibility into network traffic
• Support for enterprise-level configuration and monitoring

Cisco SF350-48MP-K9 Managed Switching  

The Cisco SF350-48MP-K9 48 Ports Managed Switch belongs to the Cisco Small Business 350 Series, a category designed to bridge the gap between basic unmanaged connectivity and advanced enterprise-grade switching. This managed switch category focuses on delivering reliable Layer 2 and Layer 3 static routing capabilities, enhanced network control, and long-term operational stability for growing business infrastructures. Within this category, the SF350-48MP-K9 is positioned as a high-density Fast Ethernet switch with integrated Power over Ethernet Plus functionality, making it suitable for environments where data, voice, and power must be delivered over a single network infrastructure.

This category emphasizes intelligent traffic management, centralized control, and scalable deployment. The architecture of the Cisco SF350-48MP-K9 reflects Cisco’s design philosophy of combining performance efficiency with simplified administration. Businesses adopting this category benefit from predictable forwarding behavior, resilient network uptime, and the flexibility to adapt the switching environment as operational requirements evolve.

High-Density Port Configuration and Network Scalability

The Cisco SF350-48MP-K9 category is defined by its 48 Fast Ethernet access ports, allowing organizations to connect a large number of endpoint devices from a single switching platform. This port density supports expansive office floors, multi-department buildings, and distributed work environments without the need for excessive hardware expansion. By consolidating connectivity into a single managed switch, network administrators can maintain consistency in policy enforcement and reduce overall infrastructure complexity.

Scalability within this category is not limited to physical port count. The SF350-48MP-K9 is designed to integrate seamlessly into hierarchical network topologies, supporting aggregation and uplink strategies that allow expansion without disruption. As network demand increases, additional switches from the same category can be deployed and centrally managed, ensuring consistent configuration standards and predictable network behavior.

Uplink Flexibility for Expanding Network Topologies

Within this managed switch category, uplink flexibility is a critical differentiator. The Cisco SF350-48MP-K9 supports dedicated uplink interfaces that allow high-speed connections to core switches, routers, or data center equipment. These uplinks enable traffic aggregation from multiple access ports, ensuring efficient data flow even during peak usage periods. This capability supports both horizontal and vertical scaling, allowing the network to grow without introducing bottlenecks.

The uplink design aligns with best practices for segmented network architecture, ensuring that access layer traffic is efficiently routed toward distribution and core layers. This approach enhances overall network responsiveness and reduces latency-sensitive performance issues.

Integrated Power over Ethernet Plus Capabilities

The Cisco SF350-48MP-K9 category stands out for its comprehensive Power over Ethernet Plus support. This functionality allows the switch to deliver electrical power and data simultaneously to connected devices such as IP phones, wireless access points, surveillance cameras, and IoT equipment. By eliminating the need for separate power sources, this category simplifies deployment and reduces installation costs across enterprise and commercial environments.

Power management within this category is engineered to provide consistent and reliable energy delivery while maintaining network stability. Intelligent power allocation ensures that connected devices receive appropriate power levels without compromising the performance of other ports. This makes the SF350-48MP-K9 category particularly suitable for unified communications and security-focused deployments.

Optimized Power Budget Management

Power budget optimization is a defining attribute of this managed switch category. The Cisco SF350-48MP-K9 intelligently distributes power across all PoE-enabled ports, prioritizing critical devices when demand exceeds available capacity. This capability ensures uninterrupted operation of essential systems such as voice communication endpoints and security infrastructure.

Administrators can monitor power usage in real time and adjust allocations to match changing operational needs. This level of control enhances reliability and helps organizations plan future expansions with confidence.

Advanced Layer 2 Switching Features

The Cisco SF350-48MP-K9 category incorporates a comprehensive suite of Layer 2 switching features designed to optimize traffic flow and enhance network efficiency. These capabilities include advanced VLAN segmentation, traffic classification, and intelligent forwarding mechanisms that ensure data packets are delivered accurately and efficiently across the network.

By enabling logical network segmentation, this category allows organizations to separate departments, applications, or services within the same physical infrastructure. This approach improves security, reduces broadcast traffic, and enhances overall performance. The SF350-48MP-K9 provides the flexibility to design complex network layouts while maintaining simplified management.

VLAN Architecture and Network Segmentation

Virtual LAN functionality within this category enables precise traffic isolation and policy enforcement. The Cisco SF350-48MP-K9 supports extensive VLAN configurations that allow administrators to define network boundaries based on organizational structure or application requirements. This segmentation reduces unnecessary traffic propagation and enhances data security.

VLAN tagging and trunking capabilities further support inter-switch communication, enabling seamless integration into larger network environments. This design ensures that network expansion does not compromise performance or manageability.

Static Layer 3 Routing for Enhanced Control

The Cisco SF350-48MP-K9 managed switch category includes static Layer 3 routing capabilities that extend functionality beyond traditional Layer 2 switching. This allows the switch to perform basic routing between VLANs, reducing reliance on external routing devices for internal traffic management. As a result, network latency is minimized, and overall efficiency is improved.

This category is well-suited for small to medium-sized networks that require straightforward routing without the complexity of dynamic routing protocols. Static routing provides predictable traffic paths and simplifies troubleshooting, making it an attractive option for organizations with limited IT resources.

Inter-VLAN Routing Efficiency

Inter-VLAN routing within the SF350-48MP-K9 category enables direct communication between segmented network areas while maintaining policy control. This capability supports business applications that require data exchange across departments without exposing the entire network to unnecessary traffic.

The routing engine is optimized for stability and consistency, ensuring reliable performance even as network demands fluctuate.

Quality of Service and Traffic Prioritization

Quality of Service functionality is a core element of the Cisco SF350-48MP-K9 managed switch category. This feature set allows administrators to prioritize critical applications such as voice, video, and real-time data streams. By ensuring that latency-sensitive traffic receives preferential treatment, this category supports consistent user experience across communication platforms.

Traffic classification mechanisms analyze packet attributes and assign appropriate priority levels. This ensures that essential services remain unaffected during periods of network congestion, maintaining operational continuity.

Support for Voice and Video Applications

The SF350-48MP-K9 category is optimized for converged networks that support IP telephony and multimedia services. Built-in QoS policies recognize voice and video traffic patterns and allocate bandwidth accordingly. This reduces jitter, packet loss, and latency, resulting in clear voice calls and smooth video conferencing.

This optimization is particularly valuable in collaborative work environments and customer-facing communication systems.

Security Features and Access Control

Security is a foundational aspect of the Cisco SF350-48MP-K9 managed switch category. The platform incorporates multiple layers of protection designed to safeguard network resources from unauthorized access and malicious activity. These security mechanisms support compliance requirements and protect sensitive business data.

Access control features allow administrators to define who can connect to the network and what resources they can access. This ensures that only authorized devices and users are permitted, reducing the risk of internal and external threats.

Port-Based Authentication and Network Protection

Port-based security within this category enables precise control over device connectivity. The Cisco SF350-48MP-K9 supports authentication mechanisms that validate devices before granting network access. This approach prevents unauthorized endpoints from compromising network integrity.

Additional safeguards such as traffic monitoring and anomaly detection further enhance the security posture of networks built on this category.

Centralized Management and User-Friendly Interface

The Cisco SF350-48MP-K9 category emphasizes ease of management through intuitive configuration interfaces. Administrators can manage the switch using a web-based graphical interface or command-line tools, providing flexibility based on skill level and operational preference. This dual approach ensures that both experienced network engineers and small IT teams can effectively control the switching environment.

Centralized management capabilities allow consistent policy deployment across multiple switches within the same category. This reduces configuration errors and simplifies ongoing maintenance.

Reliability, Performance, and Business Continuity

The Cisco SF350-48MP-K9 managed switch category is engineered for consistent performance and long-term reliability. Hardware components and software features are designed to operate continuously in demanding business environments. This reliability ensures that critical network services remain available, supporting day-to-day operations without interruption.

Performance optimization techniques such as efficient packet forwarding and congestion management contribute to predictable throughput and low latency. These characteristics make the category suitable for mission-critical applications.

Energy Efficiency and Operational Sustainability

Energy efficiency is an important consideration within this category. The Cisco SF350-48MP-K9 incorporates power-saving technologies that reduce energy consumption during periods of low network activity. This approach supports sustainability initiatives while lowering operational costs.

Efficient thermal management and durable construction further enhance the longevity of the switching platform, ensuring a strong return on investment.