CBS350-48NGP-4X Cisco Business 350 Series 48 Port Fully Managed PoE Gigabit Ethernet Network Switch

Cisco CBS350-48NGP-4X Managed Switch

The Cisco CBS350-48NGP-4X Business 350 Series switch is engineered to deliver high-performance, fully managed networking for modern enterprise, commercial, and growing business infrastructures. Built with advanced Layer 3 capabilities, this smart managed switch combines Gigabit Ethernet connectivity, high PoE+ power output, and scalable uplink options to support bandwidth-intensive applications, IP-based services, and converged networks.

Manufacturer and Product Identification

• Brand: Cisco  
• Product Series: Business 350 Series
• Model Number: CBS350-48NGP-4X
• Device Classification: Fully Managed Smart Ethernet Switch

Form Factor Highlights

• Standard rack-mount compatibility
• Professional-grade metal chassis
• Optimized thermal design for continuous operation

PoE+ Enabled Access Ports

• 48 x Gigabit Ethernet PoE+ ports
• Total PoE power budget of up to 740 watts
• Supports IEEE 802.3at for power-hungry devices

Uplink Advantages

• 4 x 10G SFP+ expansion slots
• Enhanced bandwidth for data-intensive workloads
• Ideal for scalable enterprise network designs

Performance Specifications

• Forwarding rate up to 130.94 Mpps with 64-byte packets
• Switching bandwidth of 176 Gbps
• Non-blocking architecture for consistent performance

Capacity Features

• Up to 256 VLANs supported
• MAC address table with 8,192 entries
• 16 MB packet buffer for traffic optimization

Supported Protocols

• Spanning Tree Protocol (STP)
• Rapid Spanning Tree Protocol (RSTP)
• Multiple Spanning Tree Protocol (MSTP) with up to 16 instances

Multicast Optimization

• IGMP Snooping versions 1, 2, and 3
• MLD Snooping versions 1 and 2
• Efficient multicast traffic distribution

Management Protocols

• SNMP versions 1, 2c, and 3
• Command Line Interface (CLI)
• Web-based HTTP and secure HTTPS access

Remote Administration and Diagnostics

• SSH and SSH-2 secure remote access
• Telnet and TFTP support
• DHCP client functionality
• RMON and ICMP monitoring tools

Integrated Security Features

• SSL encryption for secure management sessions
• Support for SSH-based authentication
• TACACS+ and RADIUS integration
• Up to 512 Access Control List (ACL) rules

Cisco CBS350-48NGP-4X Managed Switching

The Cisco CBS350-48NGP-4X Systems Business 350 Series 48 Port Fully Managed PoE Gigabit Ethernet Network Switch represents a dedicated category of enterprise-grade access layer switching designed for organizations that require advanced management, power delivery, and scalable performance. This class of fully managed switches focuses on delivering consistent network reliability, enhanced security enforcement, and simplified administration across distributed business environments. Built to support converged networks, this category enables seamless integration of data, voice, and video traffic while maintaining granular control over network behavior and service quality.

Within the managed PoE switch category, this model is positioned to support modern workplace infrastructure, including IP telephony, wireless access points, surveillance systems, and IoT-enabled devices. The 48-port configuration supports dense device connectivity, making it suitable for medium to large offices, educational campuses, healthcare facilities, and retail chains where centralized management and uptime are critical.

48-Port Gigabit Ethernet Architecture for High-Density Access

The 48-port Gigabit Ethernet design defines a high-capacity access layer category that enables simultaneous connections for a wide range of endpoints. Each port supports high-speed data transmission while delivering stable connectivity for bandwidth-intensive applications such as cloud-based services, real-time collaboration platforms, and high-definition media streaming. This port density reduces the need for additional access switches, helping organizations optimize rack space and simplify cable management.

Gigabit Ethernet access switching remains a core requirement in business networks, and this category addresses that demand by ensuring consistent throughput and low latency across all connected devices. The architecture supports full-duplex communication, enabling bidirectional data flow that enhances performance for users and connected systems.

Non-Blocking Switching Fabric Performance

This managed switch category incorporates a non-blocking switching fabric that allows all ports to operate at line rate simultaneously. By eliminating internal bottlenecks, the switch maintains predictable performance even during peak traffic periods. This capability is essential for environments where multiple devices generate sustained network load, such as VoIP deployments and video conferencing systems.

Optimized Packet Handling for Business Applications

Advanced packet processing ensures efficient handling of small and large data frames alike. This characteristic supports diverse application requirements, including transactional business systems and multimedia workloads. As part of the Business 350 Series category, this switch emphasizes stability and performance consistency across varied traffic patterns.

Integrated Power over Ethernet Capabilities

Power over Ethernet functionality is a defining feature of this switch category, enabling both data connectivity and electrical power delivery through standard Ethernet cabling. This approach reduces deployment complexity and eliminates the need for separate power sources at the device level. The CBS350-48NGP-4X model supports advanced PoE standards, making it suitable for high-power devices such as Wi-Fi access points and IP cameras.

Centralized power management within the switch enhances operational efficiency and simplifies device installation across office floors and remote locations. This category supports intelligent power allocation, ensuring connected devices receive the necessary power without compromising overall system stability.

PoE Budget Management and Efficiency

The PoE budget available in this switch category is designed to support multiple powered devices simultaneously. Intelligent power monitoring allows administrators to allocate power dynamically, prioritizing critical endpoints while optimizing overall consumption. This capability is particularly beneficial in environments with fluctuating device requirements.

Support for VoIP and Unified Communications

In unified communications deployments, consistent power delivery is essential. This category of fully managed PoE switches ensures reliable operation of IP phones and collaboration endpoints, reducing downtime and improving communication quality across the organization.

Advanced Layer 3 Management Features

The Cisco Business 350 Series category extends beyond basic switching by offering advanced Layer 3 management features. These capabilities allow the switch to perform inter-VLAN routing, reducing reliance on external routing devices and simplifying network design. This integrated approach enhances performance while maintaining centralized control.

Layer 3 functionality supports scalable network segmentation, enabling administrators to design logical network boundaries that enhance security and traffic management. This approach is particularly valuable in multi-department organizations and shared infrastructure environments.

Static Routing and Network Segmentation

Static routing capabilities within this category enable efficient traffic forwarding between VLANs. This design improves network efficiency by minimizing unnecessary hops and reducing latency for internal communications. Logical segmentation enhances security by isolating sensitive resources from general user traffic.

Comprehensive Security Framework

Security is a central focus of the fully managed switch category represented by the CBS350-48NGP-4X. Built-in security features help protect network resources from unauthorized access and internal threats. These mechanisms support secure onboarding of devices while maintaining continuous monitoring of network activity.

The security framework integrates seamlessly with existing IT policies, providing granular control over port access and traffic flows. This approach reduces the risk of data breaches and enhances overall network resilience.

Port-Based Access Control and Authentication

Port-based security mechanisms ensure that only authorized devices can connect to the network. This category supports authentication protocols that validate device identity before granting access, reducing exposure to rogue endpoints.

Traffic Filtering and Network Isolation

Advanced filtering capabilities enable administrators to define traffic rules that limit communication between specific network segments. This isolation protects sensitive data and prevents lateral movement of potential threats.

Secure Management Interfaces

Encrypted management access ensures that administrative sessions remain protected from interception. This feature supports secure configuration and monitoring, aligning with modern cybersecurity best practices.

Quality of Service for Predictable Performance

Quality of Service functionality is a critical element of this managed switch category, ensuring that time-sensitive applications receive appropriate bandwidth and priority. By classifying and prioritizing traffic, the switch maintains consistent performance for voice and video communications.

QoS mechanisms reduce packet loss and jitter, improving user experience across collaboration platforms and multimedia services. This capability is essential in environments where network performance directly impacts productivity.

Traffic Classification and Prioritization

Traffic classification allows the switch to identify different types of network traffic and apply appropriate handling rules. This ensures that latency-sensitive applications are prioritized over less critical data transfers.

Bandwidth Management for Shared Networks

Bandwidth allocation controls help prevent individual devices or applications from monopolizing network resources. This balanced approach supports fair access and predictable performance across all connected endpoints.

High-Speed Uplink Connectivity with 10 Gigabit Interfaces

The inclusion of multiple 10 Gigabit Ethernet uplink ports defines this switch category as future-ready and scalable. These high-speed interfaces enable efficient aggregation of access layer traffic and provide seamless connectivity to core network infrastructure.

10 Gigabit uplinks support growing data demands and ensure that access layer performance scales with organizational growth. This capability reduces congestion and enhances overall network efficiency.

Flexible Network Expansion Options

High-speed uplinks enable organizations to expand their networks without replacing existing infrastructure. This flexibility supports gradual upgrades and protects long-term investment in network equipment.

Optimized Backbone Connectivity

By leveraging 10 Gigabit uplinks, this category ensures efficient data flow between access switches and core systems. This design supports high-performance applications and centralized services.

Web-Based and Command-Line Management

Flexible management options allow administrators to choose between graphical interfaces and command-line access. This versatility supports diverse operational preferences and integration with existing workflows.

Scalability for Evolving Business Requirements

The managed PoE switch category represented by the CBS350-48NGP-4X is designed for scalability, supporting network growth without compromising performance or security. Modular design principles and advanced management features allow organizations to adapt their infrastructure as needs evolve.

This scalability ensures that the switch remains relevant as businesses adopt new technologies and expand their operations.

Support for Multi-Site Deployments

Centralized policies and consistent feature sets make this category suitable for multi-site environments. Administrators can deploy standardized configurations across locations, simplifying management and ensuring consistent performance.

Future-Proof Network Design

By supporting advanced standards and high-speed connectivity, this switch category enables long-term network planning. Organizations can integrate emerging technologies without significant infrastructure changes.

Reliability and Operational Continuity

Reliability is a foundational attribute of this fully managed switch category. Designed for continuous operation, the CBS350-48NGP-4X supports business-critical workloads with minimal downtime. Robust hardware design and intelligent software features contribute to consistent performance.

Operational continuity is further enhanced by proactive monitoring and redundancy support, ensuring that network services remain available even during maintenance or unexpected events.