Cisco CBS250-24P-4G 24 Ports Ethernet Switch
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Cisco CBS250-24P-4G 24 Ports Ethernet Switch PoE+ Manageable Refurbished

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Part Number#: CBS250-24P-4G
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Short Description:
CBS250-24P-4G Business 250 Layer 2 Supported 24 Gigabit Ethernet Ports Power Over Ethernet Plus (PoE+) 4 Slots 10 Gigabit Ethernet Optical Fiber, Twisted Pair Manageable Smart Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Product Overview of the Cisco CBS250-24P-4G 24 Ports Ethernet Switch

In today's digital world, businesses rely heavily on efficient and reliable network infrastructure to operate smoothly. One essential component of this infrastructure is the network switch. Among the plethora of options available, the CBS250-24P-4G Business 250 Layer 2 Supported Switch stands out for its robust features and capabilities. In this description, we will delve into the intricate details of this smart switch, explaining its functionalities, benefits, and applications.

Understanding the CBS250-24P-4G Business 250 Layer 2 Supported Switch

The CBS250-24P-4G Business 250 Layer 2 Supported Switch is a networking device designed to facilitate the interconnection of various devices within a Local Area Network (LAN). It comes equipped with a 24-port Gigabit Ethernet, which allows for high-speed data transfer between connected devices. Additionally, it supports Power over Ethernet Plus (PoE+), enabling the switch to supply power to compatible devices such as IP cameras, VoIP phones, and wireless access points through the Ethernet cables, eliminating the need for separate power sources.

Key Features

  • 24 Gigabit Ethernet Ports: These ports provide fast and reliable connectivity for devices within the network, ensuring smooth data transmission.
  • Power Over Ethernet Plus (PoE+): With PoE+ support, the switch can power compatible devices, reducing cable clutter and simplifying installation.
  • 4 Slots for 10 Gigabit Ethernet: The inclusion of 4 slots for 10 Gigabit Ethernet allows for high-speed connections, ideal for bandwidth-intensive applications.
  • Optical Fiber and Twisted Pair Support: The switch accommodates both optical fiber and twisted pair connections, offering flexibility in network design and implementation.
  • Layer 2 Support: The switch operates at Layer 2 of the OSI model, enabling efficient data forwarding based on MAC addresses.
  • Manageable: The switch is manageable, meaning it can be configured and monitored to meet the specific needs of the network.

Benefits of CBS250-24P-4G Business 250 Layer 2 Supported Switch

  • Enhanced Connectivity: With 24 Gigabit Ethernet ports, the switch provides ample connectivity options for devices within the network, ensuring seamless communication.
  • Cost Savings: The PoE+ support eliminates the need for separate power sources for compatible devices, reducing installation and maintenance costs.
  • High-Speed Performance: The inclusion of 10 Gigabit Ethernet slots enables the switch to deliver high-speed performance, meeting the demands of bandwidth-intensive applications.
  • Flexibility: Supporting both optical fiber and twisted pair connections, the switch offers flexibility in network design, allowing businesses to adapt to changing requirements.
  • Efficient Data Forwarding: Operating at Layer 2 of the OSI model, the switch efficiently forwards data based on MAC addresses, optimizing network performance.
  • Manageability: The switch's manageability feature enables administrators to configure and monitor the network, ensuring optimal performance and security.


The CBS250-24P-4G Business 250 Layer 2 Supported Switch finds applications across various industries and environments, including:

  • Small to Medium Businesses: Ideal for small to medium-sized businesses, the switch provides a cost-effective solution for building robust network infrastructures to support day-to-day operations.
  • Office Environments: In office environments, the switch facilitates seamless connectivity for computers, printers, IP phones, and other devices, enhancing productivity and collaboration.
  • Surveillance Systems: With PoE+ support, the switch is well-suited for surveillance systems, powering IP cameras and enabling efficient video surveillance across different locations.
  • Educational Institutions: Educational institutions can leverage the switch to create reliable and high-performance networks to support learning activities, administrative tasks, and campus-wide communications.
  • Hospitality Sector: Hotels and resorts can benefit from the switch's capabilities to provide guests with high-speed internet access, IP telephony services, and other amenities, enhancing the overall guest experience.
  • Retail Stores: In retail environments, the switch supports POS systems, security cameras, inventory management systems, and other applications critical for efficient operations.

Power Options and Redundancy

The Cisco Business 250 (CBS250-24P-4G) offers several power options to ensure that the switch can be deployed in a variety of environments. It supports both AC and DC power inputs, with a built-in power supply that can be configured for either option. The switch also can be powered through Power over Ethernet (PoE), which allows for powering the switch and connected devices through the Ethernet cables.

In terms of redundancy, the CBS250-24P-4G does not have built-in redundancy features such as dual power supplies or hot-swappable power supplies. However, it does support Link Aggregation Control Protocol (LACP) which allows bundling multiple Ethernet ports together to form a single logical link, providing redundancy in case of a port failure.

Additionally, the switch also supports the use of Spanning Tree Protocol (STP) and Rapid Spanning Tree Protocol (RSTP) to prevent loops in the network and ensure continuous network connectivity in case of a link failure.

Security and Management

The Cisco Business 250 (CBS250-24P-4G) offers several security and management features to ensure a secure and efficient network.

In terms of security, the switch includes advanced security features such as access control lists (ACLs) and secure shell (SSH) to protect against unauthorized access and data breaches. The switch also supports 802.1x port-based authentication, which allows for controlling access to the network based on the identity of the user or device. Additionally, it supports Cisco TrustSec which is a set of security features that enable organizations to implement a simple, scalable, and highly secure network infrastructure.

In terms of management, the CBS250-24P-4G is easy to manage and configure through its user-friendly web interface. The interface provides a simple and intuitive way to access and adjust various settings on the switch, such as port configuration, VLANs, and QoS. Additionally, the switch also supports SNMP, allowing for remote monitoring and management of the network. It also supports Cisco Discovery Protocol (CDP) which allows for automated discovery of Cisco devices on the network.


The CBS250-24P-4G's support for Power over Ethernet Plus eliminates the need for separate power sources for connected devices. This not only simplifies cable management but also reduces the overall cost of deploying and maintaining the network. The switch's cost-efficiency makes it an attractive option for businesses looking to optimize their infrastructure without compromising performance.

Flexibility in Device Connectivity

The abundance of Gigabit Ethernet ports and support for 10 Gigabit Ethernet connectivity in the CBS250-24P-4G provides businesses with the flexibility to connect a variety of devices. Whether it's computers, printers, IP cameras, or high-performance servers, the switch accommodates diverse connectivity needs, making it a versatile solution for different business environments.

General Information for the Cisco 24 Ports Manageable Switch

  • Manufacturer: Cisco
  • Model Number or SKU# CBS250-24P-4G
  • Product Series: 250
  • Product Type: Ethernet Switch

Interfaces / Ports of CBS250-24P-4G Ethernet Switch

  • Total Number of Network Ports: 24
  • Uplink Port: Yes
  • Modular: Yes
  • Port/Expansion Slot Details:
    • 24 x Gigabit Ethernet Network
    • 4 x 10 Gigabit Ethernet Expansion Slot


  • Media Type Supported:
    • Twisted Pair
    • Optical Fiber
  • Ethernet Technology:
    • Gigabit Ethernet
    • 10 Gigabit Ethernet
  • Network Technology:
    • 1000Base-T
    • 10GBase-X

I/O Expansions

  • Number of Total Expansion Slots: 4
  • Expansion Slot Type: SFP+
  • Shared SFP Slot: No
  • Number of SFP+ Slots: 4

Network & Communication

  • Layer Supported: 2
Management & Protocols
  • Manageable: Yes
Power Description
  • PoE (RJ-45) Port: Yes
  • PoE Budget: 195 W
  • Power Source:
    • PoE+
    • Power Supply

Finally, the CBS250-24P-4G Business 250 Layer 2 Supported Switch offers a comprehensive solution for building robust and efficient network infrastructures. With its array of features, including Gigabit Ethernet ports, PoE+ support, 10 Gigabit Ethernet slots, and manageability, it caters to the diverse needs of businesses across various industries. Whether deployed in small offices, educational institutions, or retail stores, this smart switch delivers reliable performance, enhanced connectivity, and cost savings, making it an invaluable asset in today's interconnected world.

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

About Refurbished Products

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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What does ALLHDD.Com warranty cover?

30-days to 3 years warranty:

Replacement or refund. In the case of material defects, we will try to replace the product first. The product will be replaced before the expiration of the original warranty. For any failure of hardware, if we cannot process the replacement of the product(s)/model(s), we will refund the original selling/invoiced price. The shipping costs and sales tax, if any, are non-refundable. ALLHDD retains the right to decide whether the item(s) will process for replacement or refund.

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(a) misuse of hardware; accidental damage; carelessness product(s) damage; shock; temperature beyond the specification of any product; faulty installation; operation; modification of goods;

(b) any misuse outside the instructions in the user manual for any specific product;

(c) damaged caused by other hardware or equipment. The warranty will void if the item is returned with physical damage, damage to the retail box, removed from the box, counterfeit labels/labelled by them, or any modifications of internal and external covers. Data loss or damages to any other equipment we do not cover by our offered warranty.

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In general, a manufacturer's warranty service/support is a written guarantee to the buyer of a product. Its terms assure the replacement or repair of the product, if necessary, within a specified period after the purchase (2-5 years depending on the brand/manufacturer). It is typically included in the price of the product. Products are brand new and sealed and the original manufacturer box is complete with the Manufacturer's genuine warranty. For most of the brand new/retail products that come with the manual and box, exceptions may apply (i.e., Cisco, Juniper Networks).

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