Cisco CBS250-48PP-4G 48 Port Switch
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Cisco CBS250-48PP-4G 48 Port L3 Smart Switch PoE+ SFP Refurbished

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Part Number#: CBS250-48PP-4G
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Short Description:
CBS250-48PP-4G 48 Ports 10-100-1000 Power Over Ethernet Plus (PoE+) + 4 ports 10 Gigabit SFP (mini-GBIC) Manageable 3 Layer Supported Modular Optical Fiber, Twisted Pair Gigabit Ethernet Rack-mountable Smart Switch for Business 250 Series | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

Understanding the CBS250-48PP-4G Smart Switch

The CBS250-48PP-4G is a powerful networking device designed for businesses seeking efficient and reliable network management solutions. This smart switch belongs to the Business 250 Series, offering advanced features to streamline network operations. In this description, we'll delve into the intricacies of the CBS250-48PP-4G, exploring its key specifications, functionality, and benefits for businesses.

Key Specifications of CBS250-48PP-4G PoE+ SFP Gigabit Ethernet Switch

Port Configuration

48 Ports supporting 10/100/1000 Mbps Ethernet connectivity.
Power Over Ethernet Plus (PoE+) capability for all 48 ports, facilitating the deployment of PoE-enabled devices such as IP cameras, VoIP phones, and wireless access points without the need for additional power sources.
4 Ports supporting 10 Gigabit Ethernet connectivity via SFP (mini-GBIC) interfaces, enabling high-speed data transfer for bandwidth-intensive applications.

Layer Support

3 Layer support, facilitating efficient traffic management and network segmentation for enhanced security and performance.
Modular Design: Modular architecture allows flexibility in network expansion and customization according to business requirements.
Compatibility with optical fiber and twisted pair Gigabit Ethernet connections, catering to diverse network infrastructures.


Manageable through advanced management interfaces, providing administrators with comprehensive control over network configurations, monitoring, and troubleshooting.


The rack-mountable form factor for convenient installation in standard server racks, optimizing space utilization in network environments.

Understanding the Functionality of CBS250-48PP-4G

  • Power Over Ethernet Plus (PoE+) Capability:
    • PoE+ functionality enables the switch to deliver power to connected devices over Ethernet cables, eliminating the need for separate power adapters and simplifying deployment.
    • Ideal for powering devices such as IP cameras, wireless access points, and VoIP phones, PoE+ enhances flexibility and scalability in network design.
  • High-Speed Connectivity with 10 Gigabit Ethernet:
    • The inclusion of 10 Gigabit SFP ports ensures lightning-fast data transfer rates, making it suitable for bandwidth-intensive applications such as data center networking, high-definition video streaming, and large file transfers.
    • By offering 10 times the speed of traditional Gigabit Ethernet, these ports unlock new possibilities for network performance and efficiency.
  • Layer 3 Support for Enhanced Network Management:
    • Layer 3 support empowers administrators to implement advanced networking features such as VLANs (Virtual Local Area Networks), routing protocols, and Quality of Service (QoS) policies.
    • By enabling network segmentation and traffic prioritization, Layer 3 capabilities optimize resource utilization and improve overall network performance.
  • Modular Design for Scalability and Customization:
    • The modular architecture of the CBS250-48PP-4G allows businesses to adapt their networks to evolving needs and technologies.
    • Administrators can easily expand the switch's capabilities by adding compatible modules or upgrading existing ones, ensuring future-proof network infrastructure.
  • Advanced Management Capabilities:
    • The switch offers comprehensive management interfaces, including a web-based graphical user interface (GUI) and command-line interface (CLI), empowering administrators to configure, monitor, and troubleshoot the network with ease.
    • Features such as SNMP (Simple Network Management Protocol) support and remote management capabilities enhance visibility and control over network operations, facilitating proactive maintenance and optimization.

Benefits of CBS250-48PP-4G for Businesses

Enhanced Productivity

By providing reliable and high-performance connectivity, the CBS250-48PP-4G helps businesses maximize productivity by ensuring seamless access to network resources and applications.
The switch's PoE+ capability simplifies the deployment of network devices, reducing installation time and effort.

Improved Flexibility

With its modular design and support for various connectivity options, the CBS250-48PP-4G offers businesses the flexibility to adapt their networks to changing requirements without costly infrastructure overhauls.
Whether deploying new services or expanding existing ones, the switch provides the scalability needed to accommodate growth and innovation.

Enhanced Security

Layer 3 support enables businesses to implement robust security measures such as access control lists (ACLs) and IP routing protocols, safeguarding sensitive data and network resources against unauthorized access and cyber threats.
VLAN support allows for network segmentation, isolating critical assets and mitigating the impact of security breaches.

Cost-Effective Network Management

The CBS250-48PP-4G's intuitive management interfaces and advanced features simplify network administration, reducing the time and resources required to configure and maintain the network.
Centralized management capabilities enable efficient monitoring and troubleshooting, minimizing downtime and maximizing operational efficiency.

Reliable Network Connectivity of 250 Series Switch

The Cisco CBS250-48PP-4G 250 Series L3 Smart PoE+ SFP Rack-Mountable 48 Port Switch is designed to provide reliable network connectivity for a variety of applications. The switch is equipped with 48 Gigabit Ethernet ports, 4 of which are SFP ports, and 4 of which are 10 Gigabit SFP+ ports. These ports provide high-speed connectivity for devices such as servers, storage arrays, and other network devices.

The switch also supports PoE+ (Power over Ethernet Plus), which allows it to power connected devices such as IP phones, wireless access points, and security cameras. This eliminates the need for separate power sources for these devices and helps to reduce clutter and simplify cable management.

The switch also includes L3 (Layer 3) routing capabilities, which allow it to support advanced features such as Virtual LANs (VLANs), Quality of Service (QoS), and Access Control Lists (ACLs). This allows for more efficient and secure network segmentation and traffic management.

Additionally, the switch includes a variety of security features such as 802.1X port-based authentication, DHCP snooping, and IP Source Guard to help protect against network attacks and unauthorized access.

High-Demand Networking Applications
  • Virtualization: Cisco CBS250-48PP-4G 250 Series 48 Port Switch is ideal for virtualization environments as it supports virtualization technologies such as VLANs, VACLs, and VXLANs. This allows for efficient management and segmentation of virtual machines and applications.
  • Cloud computing: The switch is also well-suited for cloud computing environments as it supports multi-tenancy and virtual machine mobility. This allows for easy deployment and management of cloud-based applications and services.
  • Internet of Things (IoT): The switch supports advanced security features such as Cisco TrustSec, which is ideal for securing IoT devices and networks. This ensures that sensitive data is protected from unauthorized access or breaches.
  • Software-Defined Networking (SDN): The switch is also compatible with SDN technologies such as OpenFlow, which allows for programmatic control of the network. This enables IT teams to automate network management and improve network agility.
  • High-density environments: The switch is designed for high-density environments, with 48 Gigabit Ethernet ports and 4 SFP+ uplink ports. This allows for large numbers of devices to be connected to the network, making it ideal for large enterprise environments.
  • High-bandwidth applications: The switch supports high-bandwidth applications such as video streaming, VoIP, and other multimedia applications. This ensures that these applications receive the necessary bandwidth and low latency to function properly.
Network Connectivity Options

The Cisco CBS250-48PP-4G 250 Series L3 Smart PoE+ SFP Rack-Mountable 48 Port Switch offers a variety of network connectivity options to meet the needs of different environments and applications. These options include:

  • 48 Gigabit Ethernet ports: The switch features 48 Gigabit Ethernet ports that can be configured for either 10/100/1000Mbps speeds, allowing for high-speed data transfer between devices.
  • 4 SFP (Small Form-Factor Pluggable) ports: The switch also includes 4 SFP ports that can be used for fiber-optic connectivity, allowing for longer distance connections and higher data transfer rates.
  • PoE+ (Power over Ethernet Plus) support: The switch supports PoE+ technology, which allows power to be delivered to connected devices over Ethernet cables. This eliminates the need for separate power supplies and makes it easy to deploy devices such as IP phones, wireless access points, and cameras.
  • L3 (Layer 3) switching: The switch provides advanced Layer 3 switching capabilities, including routing, VLANs, and Quality of Service (QoS) features. This allows for more granular control over network traffic and improved performance.
  • Rack-mountable design: The switch can be easily installed in a standard 19-inch rack, making it ideal for use in data centers and other high-density environments.

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

  • Manufacturer: Cisco
  • Part Number or SKU# CBS250-48PP-4G
  • Product Series: 250
  • Product Name: 250 CBS250-48PP-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 10 Gigabit Ethernet Expansion Slot
  • Port/Expansion Slot Details: 48 x Gigabit Ethernet PoE+

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
  • Switching Capacity: 104 Gbps
  • Forwarding Performance: (64-byte Packet Size): 77.38 Mpps

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


  • Link Aggregation Groups: 8
  • Vlans Supported: 4094
  • Buffer Capacity: 3 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
  • PoE (RJ-45) Port: Yes
  • PoE Budget: 370 W
  • Voltage & Frequency: AC 120/230 V (50/60 Hz)
  • Power Source: Power Supply
  • Power Source: PoE+
Compliant Standards & Features
  • IEEE 802.3
  • IEEE 802.3u
  • IEEE 802.3z
  • IEEE 802.1d
  • IEEE 802.1q
  • IEEE 802.3ab
  • IEEE 802.1p
  • IEEE 802.3af
  • IEEE 802.3x
  • IEEE 802.3ad (LACP)
  • IEEE 802.1w
  • IEEE 802.1x
  • IEEE 802.3ae
  • IEEE 802.1s
  • IEEE 802.1ab (LLDP)
  • IEEE 802.3an
  • IEEE 802.3at
  • IEEE 802.3az
  • Features: Dhcp Support, Arp Support, VLAN Support, DOS attack Prevention, Spanning Tree Protocol (STP) Support, Multiple Spanning Tree Protocol (mstp) Support, DHCP Snooping, Access Control List (ACL) Support, Quality Of Service (QoS), Radius Support, DHCP Server, Dynamic Arp Inspection (dai), Per-VLAN Spanning Tree Plus (pvst+), Stp Root Guard, Uni-directional Link Detection (udld), Rapid Per-VLAN Spanning Tree Plus (pvrst+), Multicast VLAN Registration (mvr), Dynamic VLAN Support (gvrp), Type Of Service (TOS), Storm Control, Ip Source Guard, Bridge Protocol Data Unit (bpdu), Voice VLAN, Secure Core Technology (SCT), Lldp-med, Ip/mac/port Binding (ipmb), Secure Sensitive Data (SSD), Private VLAN, Isatap Tunnel Support, Stp Loop Guard, Weighted Round Robin (wrr), Multiple Tag Protocol Identifiers (tpid)

Finally, the CBS250-48PP-4G Smart Switch for Business 250 Series offers businesses a robust and feature-rich networking solution tailored to meet the demands of modern digital environments. With its combination of high-performance connectivity, advanced management capabilities, and scalable design, the switch empowers organizations to build agile and secure networks that drive productivity and innovation. Whether deployed in small offices, mid-sized enterprises, or large-scale deployments, the CBS250-48PP-4G delivers the reliability, flexibility, and performance businesses need to thrive in today's competitive landscape.

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.

Here, you can check more available conditions of your desired product CBS250-48PP-4G at a competitive price. We are trying our best to meet your needs on the enterprise-level computer, server, data centre, and networking hardware. You are welcome to ask our live chat or get live representative support over the phone.


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ALLHDD guarantees that the products will not have defects in material that will affect the product's functionality during the Standard Warranty Period. The warranty period starts when the merchandise/items from our warehouse.

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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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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