Cisco SG250-26P-K9 24 Ports Switch
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Cisco SG250-26P-K9 24 Ports Managed Switch Small Business Refurbished

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Part Number#: SG250-26P-K9
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Short Description:
SG250-26P-K9 Small Business 24 Power Over Ethernet Plus (PoE+) Ethernet Ports & 2 Combo Gigabit Small Form-Factor Pluggable (SFP) Ports Optical Fiber & Twisted Pair Layer 2 Rack-mountable Managed Switch | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days
Product Overview of the Cisco 26 Ports Switch

In the ever-evolving landscape of networking solutions, Cisco has consistently been a leading player, catering to the diverse needs of businesses. The Cisco SG250-26P-K9, a 24 Ports Switch Managed Small Business Ethernet, is a powerful and reliable networking device designed to enhance connectivity and streamline operations for small businesses. In this detailed guide, we will delve into the features, benefits, and technical specifications of the Cisco SG250-26P-K9, providing a comprehensive overview for both beginners and seasoned IT professionals.

Introduction to Managed Small Business Ethernet Switches

Managed switches play a crucial role in the modern business environment by providing advanced features and control over network traffic. Unlike unmanaged switches, which operate with minimal configuration options, managed switches offer greater flexibility, security, and scalability.

The Cisco SG250-26P-K9 falls into the category of managed small business Ethernet switches, catering specifically to the needs of small and medium-sized enterprises (SMEs). These switches are designed to handle the growing demands of a business network while providing a user-friendly interface for efficient management.

Cisco SG250-26P-K9 in the Market

Within Cisco's extensive portfolio of networking solutions, the SG250-26P-K9 is positioned as a reliable and cost-effective option for small businesses. It strikes a balance between performance and affordability, making it an ideal choice for organizations looking to upgrade their network infrastructure without breaking the bank.

Key Highlights and Features

The Cisco SG250-26P-K9 boasts several key features that set it apart in the market. With 24 ports for connecting devices and Power over Ethernet (PoE) support, it addresses the connectivity needs of modern workplaces. Additionally, its management capabilities and security features make it a comprehensive solution for businesses seeking a reliable and scalable network switch.

Switch Ports

The Cisco SG250-26P-K9 comes equipped with 24 Gigabit Ethernet ports, providing ample connectivity for devices such as computers, printers, IP cameras, and more. These ports support auto-negotiation and auto MDI/MDIX, simplifying the installation process and ensuring seamless communication between devices.

Power over Ethernet (PoE) Capability

One of the standout features of the SG250-26P-K9 is its Power over Ethernet capability. This technology allows the switch to deliver power to connected devices over the Ethernet cable, eliminating the need for separate power sources. This is particularly beneficial for devices like IP cameras, VoIP phones, and wireless access points, reducing cable clutter and installation complexity.

Switching Capacity and Performance

The switching capacity of a network switch is a crucial factor in determining its overall performance. The SG250-26P-K9 offers a robust switching capacity, ensuring efficient data transfer and low latency. This is essential for maintaining a smooth and responsive network, especially in environments with high data traffic.

Layer Support and Network Standards

This Cisco switch supports multiple network layers, including Layer 2 and Layer 3 functionalities. Layer 2 features include VLAN support, MAC address-based port security, and rapid spanning tree protocol (RSTP) for improved network stability. Layer 3 capabilities enable the switch to route traffic between different subnets, enhancing network segmentation and efficiency.

Security Features

Security is a top priority in any networking environment. The SG250-26P-K9 incorporates advanced security features to protect against unauthorized access and potential threats. These include access control lists (ACLs), secure shell (SSH) for encrypted management access, and port security to control access based on MAC addresses.

PoE Budget and Flexibility

The switch provides a generous PoE budget, allowing users to power multiple PoE-enabled devices simultaneously. This flexibility is crucial for businesses that rely on a variety of powered devices for their day-to-day operations. Additionally, the switch supports PoE+ (802.3at) for devices with higher power requirements.

Energy-Efficient Design

Cisco has designed the SG250-26P-K9 with energy efficiency in mind. The switch utilizes advanced features such as Energy-Efficient Ethernet (EEE) to optimize power consumption based on the actual usage of connected devices. This not only reduces operating costs but also aligns with modern environmental sustainability practices.

Quality of Service (QoS) for Network Prioritization

To ensure optimal performance for critical applications, the SG250-26P-K9 offers Quality of Service (QoS) settings. This allows administrators to prioritize certain types of traffic, ensuring that essential applications receive the necessary bandwidth and low-latency communication.

Enhanced Security Features

Security is a top priority for any network, and the SG250-26P-K9 includes a range of security features to protect against unauthorized access and potential threats. These features may include Access Control Lists (ACLs), port security, and Secure Shell (SSH) for secure remote management.

Benefits and Use Cases
Enhanced Connectivity and Throughput

The 24 ports of the Cisco SG250-26P-K9 ensure that businesses have sufficient connectivity for their growing number of devices. This is particularly beneficial in modern workplaces where each employee may have multiple devices requiring network access, such as computers, phones, and printers. The Gigabit Ethernet support ensures high-speed data transfer, reducing bottlenecks and improving overall network throughput.

Power over Ethernet for Simplified Device Connectivity

The PoE capability of the SG250-26P-K9 simplifies the installation and management of devices that require both data and power connections. Traditional setups often involve running separate power cables for devices like IP cameras and wireless access points. With PoE, a single Ethernet cable can provide both data transfer and power, reducing installation costs and complexity.

Scalability and Future-Proofing

Small businesses experiencing growth need a network infrastructure that can scale accordingly. The SG250-26P-K9 offers scalability by providing additional ports and advanced features that can adapt to the evolving needs of the business. This future-proofing ensures that the network infrastructure remains robust and capable of handling increased demand as the organization expands.

Security Measures for Data Protection

Data security is a paramount concern for businesses of all sizes. The SG250-26P-K9 addresses this by incorporating various security features. Access control lists (ACLs) enable administrators to control traffic based on specific criteria, enhancing network security. Additionally, features like port security and secure shell (SSH) contribute to safeguarding sensitive data from unauthorized access.

Real-World Case Studies

Small Business Deployment

A case study detailing the deployment of the Cisco SG250-26P-K9 in a small business environment can showcase the practical benefits of the switch. This may include improvements in network speed, simplified device connectivity, and enhanced security measures. Real-world examples help businesses envision how the switch can positively impact their operations.

Educational Institutions

Educational institutions, with their diverse networking needs, can benefit from the features of the SG250-26P-K9. A case study in this context could highlight how the switch facilitates the connection of classrooms, administrative offices, and additional facilities, providing a seamless and secure network infrastructure for students and staff.

Healthcare Facilities

In healthcare settings, where connectivity and data security are paramount, the SG250-26P-K9 can play a crucial role. A case study focusing on its deployment in a healthcare facility could highlight how the switch supports the connection of medical devices, ensures reliable communication, and meets stringent security requirements.

Infrastructure Upgrade

For businesses looking to upgrade their overall IT infrastructure, a case study illustrating the integration of the SG250-26P-K9 as part of a comprehensive upgrade plan can provide valuable insights. This may include considerations such as network design, scalability, and the seamless integration of the switch into existing systems.

General Information about the Cisco SG250-26P-K9
  • Manufacturer: Cisco
  • Model Number or SKU# SG250-26P-K9
  • Product Series: 250
  • Product Type: Ethernet Switch
Interfaces / Ports of Ethernet Switch
  • Total Number of Network Ports: 26
  • Uplink Port: Yes
  • Modular: Yes
  • Stack Port: No
  • Port/Expansion Slot Details: 2 x Gigabit Ethernet Expansion Slot, 26 x Gigabit Ethernet Network
  • Media Type Supported: Optical Fiber, Twisted Pair
  • Ethernet Technology: Gigabit Ethernet
  • Network Technology: 1000Base-T, 1000Base-X
I/O Expansions
  • Number of Total Expansion Slots: 2
  • Expansion Slot Type: SFP
  • Shared SFP Slot: Yes
  • Number of SFP Slots: 2
Network & Communication
  • Layer Supported: 2
Management & Protocols
  • Manageable: Yes

Power Description

  • Power Source: Power Supply
  • Redundant Power Supply Supported: No


  • Included Accessories: Power Cord, Mounting Kit, Quick Start Guide

In summary, the Cisco SG250-26P-K9 is a reliable and feature-rich managed Small Business Ethernet Switch that caters to the networking needs of small to medium-sized enterprises. With its impressive port configuration, Power over Ethernet support, and advanced management features, the switch provides a solid foundation for building a robust and efficient network infrastructure. Whether deployed in office settings, retail environments, or educational institutions, the SG250-26P-K9 delivers the performance, scalability, and security required for modern business operations. Consideration of its technical specifications, benefits, and use cases positions the Cisco SG250-26P-K9 as a valuable investment for businesses seeking a dependable and scalable networking solution.

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 SG250-26P-K9 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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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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(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.

What is the Manufacturer/Brand Warranty?

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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