SF350-48-K9 Cisco Small Business 48-Port SFP

Cisco SF350-48-K9 48 Ports Managed Ethernet Switch

The Cisco SF350-48-K9 is a reliable managed Ethernet switch engineered to support growing business networks that demand stability, scalability, and consistent performance. Designed as part of Cisco’s Small Business 350 Series, this switch delivers a balance of advanced management features and flexible connectivity options, making it suitable for enterprise branch offices, medium-sized organizations, and structured IT environments. Its architecture emphasizes dependable data transmission, efficient traffic handling, and seamless integration into existing network infrastructures.

General Information and Manufacturer Details

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

Total Network Ports and Access Interfaces

• Total Network Ports: 48
• Fast Ethernet Ports: 48 x 10/100Base-TX

Uplink and Expansion Port Availability

• Uplink Port Support: Yes
• Gigabit Ethernet Network Ports: 4
• Gigabit Ethernet Expansion Slots: 2

Expansion Slot Architecture

• Expansion Slots Available: 2
• Expansion Slot Type: SFP
• Shared SFP Slot Support: Yes
• Number of SFP Slots: 2

Scalability Considerations

• Modular Design: Yes
• Stacking Capability: No

Media Type Compatibility

• Twisted Pair Cabling
• Optical Fiber Connections

Ethernet Technologies

• Fast Ethernet
• Gigabit Ethernet

Supported Network Standards

• 10/100Base-TX
• 10/100/1000Base-TX
• 1000Base-X

Flexible Expansion for Enterprise Networks

• SFP-Based Expansion Support
• Enhanced Uplink Flexibility
• Optimized for Access and Distribution Layers

Cisco SF350-48-K9 Growing Business Networks

The Cisco SF350-48-K9 48 Ports Managed Switch belongs to a professional class of managed Ethernet switches designed to support expanding business infrastructures that require dependable connectivity, intelligent traffic control, and centralized network administration. This category of managed switches is positioned between basic unmanaged devices and advanced enterprise core switches, offering an optimal balance of performance, control, and affordability. With forty-eight Fast Ethernet ports, this switch category is tailored for environments where stable wired access, predictable bandwidth allocation, and secure network segmentation are essential.

Managed switches within this category provide administrators with full visibility into network behavior, allowing precise configuration of ports, traffic flows, and security rules. The Cisco SF350-48-K9 exemplifies this approach by delivering a robust switching platform that supports operational continuity, simplified troubleshooting, and scalable network design. Organizations adopting this class of switch gain the flexibility to align network performance with business priorities while maintaining consistent uptime.

High-Density Fast Ethernet Port Configuration

The forty-eight Fast Ethernet ports define this switch category as a high-density access-layer solution optimized for connecting a large number of wired devices. Office workstations, IP phones, printers, wireless access points, and point-of-sale systems can all be integrated into a single switching platform without requiring additional hardware. This density minimizes cabling complexity and reduces the overall footprint within network racks or cabinets.

Fast Ethernet connectivity remains relevant in environments where bandwidth demands are predictable and stable, such as administrative offices, educational facilities, and retail locations. The Cisco SF350-48-K9 category ensures consistent throughput across all ports, enabling simultaneous data transmission without congestion. This predictable performance is particularly valuable in networks that prioritize reliability over raw speed.

Optimized Access Layer Deployment

As an access-layer switch, this category is engineered to aggregate endpoint connections and forward traffic efficiently to distribution or core layers. The Cisco SF350-48-K9 supports structured network hierarchies by delivering reliable edge connectivity that integrates seamlessly with upstream switches and routers. This design approach enhances scalability, as additional access switches can be deployed without disrupting existing network architecture.

The ability to manage port-level configurations ensures that each connected device receives appropriate access rights and bandwidth allocation. Network administrators can tailor configurations to meet operational requirements, ensuring that critical systems maintain priority access while standard endpoints operate within defined parameters.

Advanced Layer 2 and Layer 3 Capabilities

This managed switch category incorporates comprehensive Layer 2 switching features alongside essential Layer 3 functionality. These capabilities allow organizations to create segmented networks, optimize traffic paths, and reduce unnecessary broadcast traffic. The Cisco SF350-48-K9 is designed to support multiple VLANs, enabling logical separation of departments, applications, or security zones within a single physical infrastructure.

Layer 3 features such as static routing enhance inter-VLAN communication without requiring an external router for basic routing tasks. This reduces latency, simplifies network design, and lowers equipment costs. The presence of both Layer 2 and Layer 3 capabilities positions this category as a versatile solution for small to medium-sized networks.

VLAN Segmentation and Network Efficiency

Virtual LAN support is a defining feature of this managed switch category. VLAN segmentation improves network efficiency by limiting broadcast domains and isolating traffic flows. In practical deployments, this means that voice traffic, data traffic, and management traffic can coexist without interference, ensuring consistent performance for latency-sensitive applications.

The Cisco SF350-48-K9 enables granular VLAN configuration, allowing administrators to assign ports dynamically and manage trunk connections with ease. This flexibility supports network growth and reconfiguration without extensive physical changes.

Static Routing for Simplified Traffic Management

Static routing capabilities extend the functionality of this switch category beyond basic switching. By enabling direct routing between VLANs, the Cisco SF350-48-K9 reduces dependency on external routing devices for internal traffic. This approach streamlines network design, minimizes potential points of failure, and enhances overall performance.

For organizations with straightforward routing requirements, static routing provides a reliable and predictable method for managing data flows. It also simplifies troubleshooting by offering clear, administrator-defined routing paths.

Security Features Designed for Business Environments

Security is a critical consideration in modern network deployments, and this managed switch category integrates multiple protection mechanisms to safeguard data and infrastructure. The Cisco SF350-48-K9 supports advanced security protocols that help prevent unauthorized access, mitigate threats, and maintain compliance with organizational policies.

By controlling access at the port level and monitoring network behavior, this switch category reduces the risk of internal and external attacks. Security features are designed to operate transparently, ensuring protection without compromising network performance.

Port-Level Access Control and Authentication

Port-based access control is a fundamental security capability within this category. Administrators can restrict network access based on authentication credentials, ensuring that only authorized devices and users can connect. This is particularly important in shared office spaces and environments with frequent device changes.

The Cisco SF350-48-K9 supports standardized authentication methods, allowing integration with existing identity management systems. This centralized approach simplifies user management and enhances security consistency across the network.

Traffic Monitoring and Threat Mitigation

Managed switches in this category provide tools for monitoring traffic patterns and identifying anomalies. By analyzing data flows, administrators can detect unusual activity that may indicate security threats or misconfigurations. Early detection enables rapid response, minimizing potential impact.

The Cisco SF350-48-K9 contributes to proactive security management by offering detailed statistics and logging capabilities. These insights support informed decision-making and continuous network improvement.

Quality of Service and Traffic Prioritization

Quality of Service functionality is essential in networks supporting diverse applications with varying performance requirements. This managed switch category incorporates robust QoS mechanisms that prioritize critical traffic such as voice and video communications. The Cisco SF350-48-K9 ensures that latency-sensitive applications receive the bandwidth and responsiveness they require.

QoS policies can be defined at multiple levels, enabling precise control over how traffic is handled. This flexibility supports consistent user experiences even during periods of high network utilization.

Application-Aware Traffic Handling

Application-aware QoS allows the switch to recognize different types of traffic and apply appropriate prioritization rules. This capability is especially valuable in unified communications environments where voice and video traffic must be delivered without interruption.

The Cisco SF350-48-K9 category supports classification and marking of traffic, ensuring that priority applications are not affected by background data transfers.

Bandwidth Management and Congestion Avoidance

Effective bandwidth management helps prevent congestion and ensures fair resource allocation. Managed switches in this category allow administrators to define limits and priorities that align with business needs. By controlling how bandwidth is distributed, organizations can maintain performance stability across all connected devices.

The Cisco SF350-48-K9 enables consistent throughput and predictable behavior, reducing the likelihood of performance degradation during peak usage periods.

Centralized Management and Administrative Control

Ease of management is a defining advantage of this managed switch category. The Cisco SF350-48-K9 supports intuitive management interfaces that simplify configuration, monitoring, and maintenance. Centralized control reduces administrative overhead and accelerates deployment.

Management tools are designed to accommodate both experienced network professionals and organizations with limited IT resources. This accessibility ensures that the switch can be effectively operated throughout its lifecycle.

Web-Based and Command-Line Interfaces

Multiple management interfaces provide flexibility in how administrators interact with the switch. A web-based graphical interface offers an intuitive environment for configuration and monitoring, while a command-line interface supports advanced customization and scripting.

The Cisco SF350-48-K9 category allows seamless transition between interfaces, ensuring that administrators can choose the most efficient method for each task.

Scalability and Future-Ready Network Design

The Cisco SF350-48-K9 managed switch category is designed with scalability in mind, allowing networks to grow without requiring complete infrastructure replacement. Its high port density and advanced features support incremental expansion as organizational needs evolve.

By adopting this category, businesses can implement a network foundation that accommodates new devices, applications, and workflows while maintaining consistent performance and security.

Integration with Existing Network Infrastructure

Compatibility with a wide range of network devices ensures seamless integration into existing environments. The Cisco SF350-48-K9 operates within standardized Ethernet frameworks, facilitating interoperability with routers, firewalls, and wireless systems.

This integration capability reduces deployment complexity and accelerates time to value.