Cisco CBS250-48T-4G 48 Port Managed Switch
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Cisco CBS250-48T-4G 48 Ports Managed Switch 4 ports Gigabit Refurbished

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Part Number#: CBS250-48T-4G
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Short Description:
CBS250-48T-4G 250 Series 48 Ports 10/100/1000 + 4 Ports Gigabit SFP (Mini-GBIC) 3 Layer Supported Modular Optical Fiber Gigabit Ethernet Rack-mountable Manageable Smart Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Overview of the 48 Ports 10/100/1000 + 4 Ports Gigabit SFP Smart Switch

The CBS250-48T-4G 250 Series is a sophisticated network switch designed for optimal performance and manageability. In this comprehensive guide, we will delve into the key features, specifications, and benefits of this smart switch, exploring its 48 Ports 10/100/1000 and 4 Ports Gigabit SFP (Mini-GBIC) capabilities. Whether you're a networking professional, IT enthusiast, or business owner looking to enhance your network infrastructure, this guide will provide valuable insights into the CBS250-48T-4G's modular optical fiber Gigabit Ethernet, layer support, and rack-mountable design.

Key Features for the Cisco CBS250-48T-4G 48 Ports Managed Switch

48 Ports 10/100/1000

The CBS250-48T-4G boasts 48 high-speed ports supporting 10/100/1000 Mbps Ethernet connections. This abundance of ports ensures seamless connectivity for a multitude of devices within your network, from computers and printers to VoIP phones and other networking equipment.

4 Ports Gigabit SFP (Mini-GBIC)

In addition to its standard Ethernet ports, the switch features 4 Gigabit SFP (Mini-GBIC) ports. These Small Form-Factor pluggable ports offer the flexibility to connect to optical fiber networks, extending the reach and bandwidth of your network infrastructure.

3 Layer Supported

The CBS250-48T-4G is equipped with three layers of network support, including the data link layer, network layer, and transport layer. This multi-layered approach enhances network efficiency, allowing for better control and segmentation of traffic, improved security, and optimized performance.

Modular Optical Fiber Gigabit Ethernet

The inclusion of modular optical fiber Gigabit Ethernet capabilities makes the CBS250-48T-4G an ideal choice for organizations requiring high-speed, long-distance connections. This feature enables the use of fiber optics to transmit data, ensuring reliability and stability in data transfer over extended distances.

Rack-mountable Design

The switch is designed to be rack-mounted, providing a space-efficient solution for organizing and securing network equipment. This feature is particularly beneficial in data centers, server rooms, and other environments where efficient space utilization is crucial.


Let's delve into the technical specifications of the CBS250-48T-4G to gain a deeper understanding of its capabilities.

  • Switching Capacity: The CBS250-48T-4G offers a robust switching capacity, facilitating the efficient and rapid transfer of data across the network. This high capacity ensures that the switch can handle the demands of modern networks, supporting large data transfers and minimizing latency.
  • Forwarding Rate: With an impressive forwarding rate, this smart switch excels in delivering packets at a rapid pace. The forwarding rate is a critical metric for assessing the switch's performance, ensuring that it can keep up with the high data traffic demands of today's networks.
  • Layer 2 Features: The switch supports essential Layer 2 features, including VLAN (Virtual Local Area Network) support, enabling network segmentation for improved security and performance. Additionally, features such as Spanning Tree Protocol (STP) enhance network reliability by preventing loop formation.
  • Layer 3 Features: The inclusion of Layer 3 features introduces dynamic routing capabilities, allowing the switch to make intelligent routing decisions based on network conditions. This enhances the overall efficiency of the network by optimizing data paths.
  • Quality of Service (QoS): The CBS250-48T-4G prioritizes traffic using QoS mechanisms, ensuring that critical data receives preferential treatment. This is particularly important in environments where different types of traffic, such as voice and video, coexist on the network.


Now, let's explore the practical benefits that the CBS250-48T-4G brings to the table.

  • Scalability: The 48 Ports 10/100/1000 and 4 Ports Gigabit SFP configuration ensures that the switch can scale with the growing needs of your network. As your business expands, this smart switch provides the flexibility to accommodate additional devices and connections.
  • Flexibility in Network Design: The modular optical fiber Gigabit Ethernet capability enhances the flexibility of your network design. By incorporating fiber optics, you can extend the reach of your network over longer distances while maintaining high-speed data transfer.
  • Reliability and Redundancy: The Layer 2 and Layer 3 features contribute to the reliability of the network by preventing and managing potential issues, such as network loops. This switch's design promotes redundancy and resilience, minimizing the risk of network disruptions.
  • Efficient Space Utilization: The rack-mountable design of the CBS250-48T-4G optimizes space utilization in server rooms and data centers. This is especially valuable in environments where floor space is limited, allowing for a neat and organized networking infrastructure.
  • Centralized Management: The switch is manageable, providing administrators with centralized control over the network. Through an intuitive management interface, administrators can monitor performance, configure settings, and troubleshoot issues, ensuring a streamlined and efficient network management process.

Use Cases

The CBS250-48T-4G is well-suited for a variety of use cases across different industries. Let's explore some scenarios where this smart switch can make a significant impact.

Enterprise Networking

In large enterprises with diverse networking needs, the CBS250-48T-4G excels in providing a scalable and reliable solution. Its high port count and modular design make it suitable for connecting numerous devices, from workstations to servers and networking appliances.

Data Centers

The switch's rack-mountable design makes it an excellent choice for data centers where space is at a premium. The high switching capacity and Layer 3 features enhance data center performance, supporting the seamless flow of data between servers and other networked devices.

Educational Institutions

Schools and universities benefit from the CBS250-48T-4G's scalability and manageability. With a large number of students and faculty relying on networked devices, this switch provides the necessary infrastructure to support educational activities, online learning, and administrative functions.

Healthcare Environments

In healthcare settings, where the reliable and secure transfer of patient data is critical, the CBS250-48T-4G ensures that network infrastructure can handle the demands of electronic health records, medical imaging, and communication systems.

Efficient Network Management of 48 Ports Switch

The Cisco Business 250 Series 48 Ports Managed Switch (CBS250-48T-4G) is a high-performance, feature-rich switch that is designed to provide efficient network management for small to medium-sized businesses. It offers a range of advanced features that allow for easy and efficient management of the network, including:

  • Web-based management: The switch can be easily configured and managed through a web-based interface, which allows for easy access from any device with a web browser.
  • Quality of Service (QoS) management: The switch supports QoS, which allows for the prioritization of network traffic to ensure that critical applications and services receive the bandwidth they need.
  • VLAN management: The switch supports VLANs, which allows for the segmentation of the network to improve security and performance.
  • Security features: The switch includes a range of security features, such as port security and DHCP snooping, to help protect the network from unauthorized access and malicious attacks.
  • Link aggregation: The switch supports link aggregation, which allows for multiple ports to be grouped together to provide increased bandwidth and redundancy.
  • SNMP support: The switch supports SNMP, which allows for easy monitoring and management of the switch using network management software.
Maximize Your Network Performance

The Maximize Your Network Performance of the CBS250-48T-4G Cisco Business 250 Series 48 Ports Managed Switch is achieved through various features and capabilities that ensure optimal performance for your network.

One of the main features is the 48 Gigabit Ethernet ports, which provide high-speed connectivity for your devices and servers. This allows for faster data transfer and improved network efficiency.

Another important feature is the 4 Gigabit SFP uplink ports, which provide additional connectivity options for connecting to other network devices or segments. This allows for more flexibility and scalability in your network design.

The switch also comes with advanced management capabilities, such as Quality of Service (QoS) and Link Aggregation Control Protocol (LACP), which allow you to prioritize and balance network traffic for optimal performance. Additionally, the switch also supports VLANs and Access Control Lists (ACLs) for more granular control over network access and security.

Power Options and Energy Efficiency
The Cisco Business 250 Series 48 Ports Managed Switch (CBS250-48T-4G) is designed with power options and energy efficiency in mind. The switch has a built-in power supply that can be configured for either AC or DC power input, allowing for flexibility in deployment. Additionally, the switch supports Energy Efficient Ethernet (EEE) which reduces power consumption during periods of low network activity. The switch also has a feature called EnergyWise, which allows for monitoring and control of energy usage of connected devices. This allows for more efficient use of power and can help to reduce overall energy costs. Additionally, the switch has a power-saving mode that automatically powers down idle ports to save energy.

General Information about the Cisco CBS250-48T-4G 48 Ports Manageable Switch

  • Manufacturer: Cisco
  • Part Number or SKU# CBS250-48T-4G
  • Product Series: 250
  • Product Name: 250 CBS250-48T-4G Ethernet Switch
  • Product Type: Ethernet Smart Switch

Interfaces/Ports of Cisco Ethernet Switch

  • Enclosure Type: Rack-mountable
  • Total Number of Network Ports: 48
  • Uplink Port: Yes
  • Modular: Yes
  • Port/Expansion Slot Details: 4 x Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot Details: 48 x 10/100/1000

Media & Performance of 48 Ports Switch

  • Media Type Supported: Twisted Pair
  • Media Type Supported: Optical Fiber
  • Ethernet Technology Gigabit Ethernet
  • Network Technology: 1000Base-X
  • Network Technology: 1000Base-T

I/O Expansions of 250 Series Switch

  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP (mini-GBIC)
  • Shared SFP Slot: Yes
  • Number of SFP Slots: 4

Network & Communication

  • Layer Supported: 3


  • Processor: X Arm: 800 Mhz
  • Ram: 512 Mb
  • Flash Memory: 256 Mb
  • Mac Address Table: Size: 8,000 Entries
Management & Protocols
  • Manageable: Yes
  • Jumbo Frame Support: 2kb
  • Routing Protocol: Igmp, Policy-based Routing (pbr), Cidr
  • Remote Management Protocol: SNMP 1, Rmon, Snmp 3, Snmp 2c, Ssh, Ssh-2, Icmp
Power Description
  • Voltage & Frequency: AC 120/230 V (50/60 Hz)
  • Power Source: Power Supply
  • Internal Power Supply

Finally, the CBS250-48T-4G 250 Series Smart Switch stands out as a versatile and powerful solution for modern networking needs. Its combination of high port count, Gigabit SFP ports, modular optical fiber Gigabit Ethernet capabilities, layer support, and rack-mountable design make it a reliable choice for diverse industries. Whether you are looking to upgrade your enterprise network, enhance data center performance, or streamline connectivity in educational and healthcare environments, the CBS250-48T-4G offers the features and flexibility to meet your requirements. Invest in this smart switch to ensure a robust, scalable, and efficient network infrastructure for your organization.

Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

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Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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