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Cisco SG250-26HP-K9NA-RF 26-Port Gigabit PoE Smart Switch - 26 Ports - 2 SFP - Layer 2 Managed - Rack-Mountable - Refurbished
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Product Features
Technical Overview
This switch operates at Gigabit Ethernet speeds, supporting both 1000Base-T for copper cabling and 1000Base-X for fiber optics, ensuring compatibility with diverse network infrastructures. The 26 ports are complemented by two shared SFP slots, allowing for modular expansion without sacrificing port density. Layer 2 switching enables efficient packet forwarding, broadcast storm control, and quality of service (QoS) configurations to optimize network performance.
Management capabilities include web-based and CLI interfaces for granular control over switch configuration, monitoring, and troubleshooting. The built-in power supply delivers stable voltage to connected PoE devices, though redundant power supply support is not included. The switch's rack-mountable design integrates seamlessly into standard 19-inch racks, with dimensions of 1.70" height, 17.30" width, and 10.10" depth, and a weight of approximately 7.43 lb.
Relevant factors for this section include Total Number of Network Ports, Uplink Port, Modular, Media Type Supported. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Cisco SG250-26HP-K9NA-RF offers a balanced combination of port density, management features, and deployment flexibility, making it a cost-effective solution for growing networks. Its smart switch capabilities provide greater control than unmanaged switches, while remaining accessible for IT administrators without extensive networking expertise.
High-Density Connectivity
With 26 Gigabit Ethernet ports, the switch supports numerous devices simultaneously, reducing the need for additional switches in crowded network closets or small office environments.
- 26 ports for extensive device connections
- Gigabit speeds for fast data transfer
- PoE support for powered devices
Expansion Flexibility
Two SFP slots enable fiber uplinks or extended copper runs, allowing network architects to tailor connectivity for distance, bandwidth, or media type requirements.
- SFP slots for modular expansion
- Supports twisted pair and optical fiber
- Shared slot design optimizes port usage
Managed Network Control
Layer 2 management features include VLANs, QoS, and security settings, providing tools to segment traffic, prioritize critical applications, and enhance network stability.
- Web and CLI management interfaces
- Traffic prioritization and monitoring
- Enhanced security configurations
Deployment / Use Cases
This switch is ideal for environments where reliable, managed switching is needed without the complexity of enterprise-grade equipment. Its PoE capabilities and port count make it suitable for offices, retail locations, or educational settings that require connected devices like IP phones, cameras, and wireless access points.
Common deployment scenarios include small business networks where the switch serves as the core connectivity hub, providing both data and power to endpoints. In branch offices, it can link local devices to wider area networks via fiber uplinks. For IT labs or training centers, the managed features offer hands-on learning opportunities for network configuration and troubleshooting.
Office Network Core
Deploy as the central switch in small offices, connecting desktops, printers, and VoIP systems while powering PoE devices directly from the switch.
Retail or Hospitality Backbone
Use in retail stores or hotels to support point-of-sale systems, security cameras, and guest Wi-Fi access points, with management features to isolate traffic segments.
Physical Profile
The switch features a compact, rack-mountable design with a height of 1.70 inches (1U), making it easy to integrate into standard server racks or network cabinets. Its dimensions—17.30" width and 10.10" depth—ensure compatibility with most rack environments without requiring excessive space. The approximate weight of 7.43 lb facilitates handling during installation, and the sturdy construction supports reliable operation in controlled indoor settings.
- Width
- 17.30" (439.42 mm)
- Depth
- 10.10" (256.54 mm)
- Height
- 1.70" (43.18 mm)
- Weight
- 7.43 lb (3370.19 g)
Highlights
- 26 Gigabit Ethernet ports for high-density device connections
- Two SFP expansion slots for fiber or long-distance copper uplinks
- Layer 2 managed switching with web and CLI interfaces
- Rack-mountable 1U form factor for easy integration
- Power over Ethernet (PoE) support for connected devices
- Gigabit Ethernet technology (1000Base-T, 1000Base-X)
- Built-in power supply for stable operation
- Lifetime limited warranty for long-term reliability
- Refurbished condition with full functionality
- Supports twisted pair and optical fiber media types
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | SG250-26HP-K9NA-RF |
| Brand Name | Cisco |
| Product Series | 250 |
| Product Model | SG250-26HP |
| Product Name | SG250-26HP 26-Port Gigabit PoE Smart Switch |
| Product Condition | Refurbished |
| Product Type | Ethernet Switch |
| Interfaces/Ports | |
| Total Number of Network Ports | 26 |
| Uplink Port | Yes |
| Modular | Yes |
| Stack Port | No |
| Port/Expansion Slot Details | 26 x Gigabit Ethernet Network,2 x Gigabit Ethernet Expansion Slot |
| Media & Performance | |
| Media Type Supported | Twisted Pair,Optical Fiber |
| Ethernet Technology | Gigabit Ethernet |
| Network Technology | 1000Base-T,1000Base-X |
| I/O Expansions | |
| Total Number of Expansion Slots | 2.0 |
| Expansion Slot Type | SFP (mini-GBIC) |
| 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 |
| Physical Characteristics | |
| Form Factor | Rack-mountable |
| Height | 1.70" (43.18 mm) |
| Width | 17.30" (439.42 mm) |
| Depth | 10.10" (256.54 mm) |
| Weight (Approximate) | 7.43 lb (3370.19 g) |
| Warranty | |
| Limited Warranty | Lifetime |
FAQ
How many PoE ports does this switch have?
The Cisco SG250-26HP-K9NA-RF includes 26 Gigabit Ethernet ports that support Power over Ethernet (PoE), allowing you to deliver both data and power to compatible devices such as VoIP phones, wireless access points, and security cameras. This eliminates the need for separate power adapters at each endpoint, simplifying cable management and reducing installation costs in office or retail environments.
What is the purpose of the SFP slots on this switch?
The two SFP (Small Form-factor Pluggable) slots provide expansion flexibility for network uplinks. You can insert SFP modules to connect via fiber optic cables for longer distances or higher bandwidth, or use copper SFP modules for extended copper runs. These slots are shared, meaning they can be used interchangeably with the existing Ethernet ports to adapt the switch to specific media or distance requirements in your network infrastructure.
Is this switch manageable, and what features does it offer?
Yes, this is a Layer 2 managed smart switch. It offers web-based and command-line interface (CLI) management tools for configuring VLANs, quality of service (QoS), security settings, and port monitoring. These features allow network administrators to segment traffic, prioritize critical applications, and enhance network stability, making it suitable for environments that require more control than basic unmanaged switches provide.
Can this switch be rack-mounted?
Absolutely. The switch is designed for rack mounting with a standard 19-inch rack width and a height of 1.70 inches (1U). Its dimensions—17.30" wide and 10.10" deep—ensure it fits neatly into most network cabinets or server racks. This design helps organize cables and conserve space in data closets, making it ideal for professional installations where tidy, scalable network setups are essential.
What type of warranty comes with this refurbished switch?
This refurbished Cisco SG250-26HP-K9NA-RF includes a lifetime limited warranty. This warranty covers defects in materials and workmanship for the lifespan of the product, providing long-term assurance of reliability. Refurbished units undergo testing and reconditioning to meet functional standards, ensuring they perform like new while offering a cost-effective alternative to brand-new equipment.
What is the difference between Layer 2 and Layer 3 switching?
Layer 2 switching, as used in this Cisco SG250-26HP-K9NA-RF, operates at the data link layer to forward traffic based on MAC addresses within a local network. It supports features like VLANs and QoS for segmenting and prioritizing traffic. Layer 3 switching adds routing capabilities at the network layer, using IP addresses to route between different subnets. This switch is ideal for environments where internal network segmentation and management are needed without inter-subnet routing.
| Qty | Price | Available |
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