CBS220-48P-4X Cisco 220 Series 48-Port Network Switch with 4 X 10 Gigabit SFP+ Ports.

Cisco CBS220-48P-4X 48-Port Rack-Mountable Network Switch 

The Cisco CBS220-48P-4X is a high-performance smart switch designed for medium to large business networks. With 48 Gigabit Ethernet PoE+ ports and 4 x 10 Gigabit SFP+ uplinks, it delivers reliable connectivity, robust security, and advanced traffic management capabilities for modern network demands.

General Specifications

• Manufacturer: Cisco
• Part Number: CBS220-48P-4X
• Device Type: Smart Switch
• Enclosure Type: Rack-Mountable
• Subtype: Gigabit Ethernet

Port Details

• 48 x 10/100/1000 Base-T RJ-45 PoE+ ports
• 4 x 10GBASE-X SFP+ uplink ports

PoE+ Features

• Power over Ethernet Plus (PoE+) supported
• Total PoE budget: 382 Watts
• Supports powering IP phones, cameras, and wireless access points directly

Performance and Switching Capacity

• Forwarding Capacity: 130.94 million packets per second (64-byte packets)
• Switching Throughput: 176 Gbps
• MAC Address Table: 8192 entries
• Buffer Memory: 16 MB
• Maximum Jumbo Frame: 9216 bytes

VLAN, STP, and Layer 2 Features

• Supports up to 256 VLANs
• STP, RSTP, MSTP support for loop prevention
• IGMP Snooping and MLD for efficient multicast traffic management
• Guest VLAN, Auto Voice VLAN, and VLAN Registration Protocol (GVRP)

Advanced Network Protocols

• IGMPv2/v3, MLDv2 for multicast management
• IEEE 802.1Q VLAN tagging and 802.1p QoS prioritization
• DiffServ and Type of Service (ToS) support
• STP Loop Guard and BPDU Guard for network stability

Security and Access Control

• 802.1x authentication with RADIUS and TACACS+ integration
• SSH and SSL encryption for secure management
• MAC address filtering and port security features
• Broadcast and multicast storm control
• Access Control List (ACL) support

Management and Monitoring

• SNMP v1/v2c/v3 and RMON support
• Telnet, HTTP/HTTPS, TFTP, SSH, and SCP management protocols
• Syslog support for centralized logging
• Cisco Discovery Protocol (CDP) and LLDP/LLDP-MED for network topology awareness
• Dual firmware images for smooth updates and redundancy

Diagnostic and Optimization

• Port mirroring for traffic monitoring
• Cable diagnostics for identifying network issues
• Head-of-Line (HOL) blocking prevention
• Weighted Round Robin (WRR) and Quality of Service (QoS) optimization

Memory and Capacity

• RAM: 256 MB
• Flash Memory: 64 MB
• Supports up to 512 ACL rules
• Up to 16 STP instances

Power Supply

• Internal AC power supply
• Voltage range: 100-240V AC, 50/60 Hz
• Operational power consumption: 482 Watts
• Fan: 1 for efficient cooling

Network Interfaces

• 48 x 10/100/1000 Base-T RJ-45 PoE+ (30W per port)
• 4 x 10GBASE-X SFP+ uplinks for high-speed backbone connectivity

Compliance and Standards

• IEEE 802.3, 802.3u, 802.3ab, 802.3z, 802.3af, 802.3at, 802.3az, 802.3x, 802.3ad (LACP)
• IEEE 802.1d, 802.1w, 802.1s, 802.1p, 802.1q, 802.1x, 802.1ab (LLDP)
• Industry standards for Gigabit Ethernet, PoE, VLANs, QoS, and network security

Advanced Features for Modern Business Networks

• BOOTP support and DHCP client for automated IP assignment
• Loopback detection and STP loop prevention mechanisms
• Energy Efficient Ethernet for reduced power consumption
• Unknown storm control for improved network stability
• Neighbor Discovery Protocol (NDP) for IPv6 environments

Enhanced User and Device Management

• Automatic Media-Dependent Interface Crossover (MDI-X)
• UDP, TCP, and ICMP protocol support
• Guest VLAN and Auto Voice VLAN for seamless device onboarding
• Telnet server for remote administration

Cisco CBS220-48P-4X 220 Series 

The Cisco CBS220-48P-4X 220 Series represents a high-performance, rack-mountable network switch designed for medium to large business environments. This managed Ethernet switch integrates advanced Layer 2 and Layer 3 features, providing reliable connectivity, enhanced security, and flexible network management options. Equipped with 48 PoE+ ports, the switch ensures ample power delivery to connected devices such as IP phones, wireless access points, and surveillance cameras, while its four 10 Gigabit SFP+ uplink ports offer high-speed interconnection for critical network segments.

Advanced Switching Capabilities

The CBS220-48P-4X series delivers intelligent Layer 2+ switching capabilities that optimize traffic flow and ensure efficient bandwidth utilization. With support for VLANs, link aggregation, and advanced QoS features, the switch can prioritize latency-sensitive applications, such as voice over IP and video conferencing. Its robust routing functionalities include static routing and support for inter-VLAN routing, enabling seamless integration with complex network topologies and enhancing overall network performance.

Power over Ethernet (PoE) Functionality

The 48 PoE+ ports on the CBS220-48P-4X provide up to 30 watts per port, delivering sufficient power for demanding devices without requiring separate power adapters. This centralized PoE management simplifies network deployment and reduces operational complexity. The switch can intelligently allocate power based on device requirements, ensuring efficient energy usage and preventing overload situations. PoE scheduling and monitoring features allow administrators to optimize power distribution across connected devices for both efficiency and reliability.

High-Speed Uplink Connectivity

The four 10 Gigabit SFP+ uplink ports on the CBS220-48P-4X provide exceptional bandwidth for uplink aggregation and core network integration. These ports support fiber and copper connections, offering flexibility for long-distance connections and high-speed data transfer. By offloading heavy traffic to the uplink ports, the switch reduces congestion on the access layer and maintains smooth network performance for critical business applications. The SFP+ modules are hot-swappable, ensuring minimal downtime during maintenance or upgrades.

Enhanced Network Security

Cisco prioritizes security across the CBS220 Series, offering features that protect sensitive business data from unauthorized access and network threats. The switch supports advanced access control mechanisms, including 802.1X authentication, port security, and role-based access management. DHCP snooping, IP source guard, and dynamic ARP inspection prevent common network attacks, such as spoofing and unauthorized IP allocation. Additionally, secure management protocols like SSH, HTTPS, and SNMPv3 provide encrypted communication for administrative access, maintaining data confidentiality and integrity across the network.

Flexible Network Management

Administrators can manage the CBS220-48P-4X using Cisco’s intuitive web-based GUI, command-line interface, or the Cisco Business Dashboard for centralized visibility across multiple switches. The management tools support real-time monitoring of traffic statistics, port utilization, and network health metrics, allowing proactive troubleshooting and optimization. The switch also supports automated firmware updates and configuration backups, reducing manual intervention and ensuring consistent network performance across deployments.

Scalable Deployment Options

The CBS220-48P-4X is engineered for scalability, allowing businesses to expand their network as organizational needs grow. Multiple switches can be stacked virtually using Cisco’s stacking technology, enabling simplified network management and increased redundancy. Its rack-mountable 1U form factor optimizes data center or server room space while providing sufficient ventilation for continuous operation. With support for both horizontal and vertical expansion, the switch ensures long-term network flexibility without the need for frequent hardware replacements.

Reliability and Redundancy

Cisco’s CBS220 Series switches are designed for high reliability in demanding business environments. Features such as redundant power supply options, spanning tree protocol enhancements, and link aggregation ensure continuous connectivity and minimize network downtime. The switches also include advanced fault detection mechanisms that quickly identify and isolate network issues, allowing administrators to respond promptly and maintain uninterrupted operations. With support for automatic recovery and failover, the CBS220-48P-4X guarantees robust performance even under peak load conditions.

Energy Efficiency

The CBS220-48P-4X is optimized for energy efficiency, reducing operational costs while supporting sustainable IT practices. Cisco EnergyWise technology monitors power consumption across ports and dynamically adjusts power delivery to connected devices. Sleep modes for inactive ports, intelligent fan control, and efficient hardware design contribute to lower energy usage without compromising network performance. This focus on energy efficiency ensures that businesses can maintain environmentally responsible operations while benefiting from high-speed network connectivity.

Comprehensive Support for Business Applications

The CBS220-48P-4X switch supports a wide range of business applications, including unified communications, video streaming, cloud services, and IoT deployments. Its low latency and high throughput capabilities make it ideal for voice and video applications, ensuring clear communication and uninterrupted data transmission. The switch also integrates seamlessly with Cisco’s business solutions, including wireless access points, IP cameras, and collaboration tools, providing a cohesive ecosystem that enhances productivity and operational efficiency.

Quality of Service (QoS) Features

Advanced QoS features on the CBS220-48P-4X allow prioritization of critical applications, ensuring that high-priority traffic receives sufficient bandwidth while preventing congestion. Traffic shaping, rate limiting, and queue management optimize network performance for real-time applications, such as video conferencing and VoIP, while maintaining fairness for other data flows. These QoS capabilities are configurable per port and per VLAN, providing granular control over network performance and improving the overall user experience.

Future-Ready Networking

Cisco CBS220 Series switches are built with future-proofing in mind, supporting emerging technologies and evolving business requirements. With support for IPv6, advanced routing protocols, and software-defined networking (SDN) integration, the CBS220-48P-4X ensures compatibility with next-generation network architectures. Its modular design and flexible configuration options allow businesses to adapt to increasing traffic demands and technological advancements without significant infrastructure changes.